Linux-Cli-Tutorial(by Saman Khalife)
  • Characters
  • Linux Commands
  • Quick review for commands
  • Config file parameters you can use
  • .github
    • ISSUE_TEMPLATE
      • bug_report
  • Editors-for-command-line
  • TOOLs and APPs
    • Iptables
    • Ufw
      • man
  • Git Commands
  • Installing tools and apps
    • Check-used-ports
    • Clear the cache memory in Linux
    • ulimit
    • ulimit
    • Installing WordPress with Apache
    • Installing WordPress with Nginx
    • what packages are installed by apt
    • wildcard characters for globbing
  • Lpic 1
    • LPIC-1 Exam 101 (101-500) Exam
    • LPIC-1 Exam 101 Objectives
    • how to use lvm snapshots
    • LPIC-1 Exam 102 Objectives
  • Lpic 2
    • how to use lvm
    • LPIC-2 Exam 201 Objectives
    • LPIC-1 Exam 102 (102-500) Exam
    • LPIC-2 Exam 202 Objectives
  • Lpic 3
    • LPIC-2 Exam 201 (201-450) Exam
    • LPIC-3 High Availability and Storage Clusters 306 Objectives
    • LPIC-2 Exam 202 (202-450) Exam
    • LPIC-3 Mixed Environments 300 Objectives.md
    • LPIC-3 High Availability and Storage Clusters 306 Exam
    • LPIC-3 Security Exam 303 Objectives
    • LPIC-3 High Availability and Storage Clusters 306 Objectives
    • LPIC-3 Virtualization and Containerization 305 Objectives
  • TXT FILES
    • accept
    • accton
    • aclocal
    • acpi
    • acpid
    • addr2line
    • addresses
    • agetty
    • alias
    • alsactl
    • amidi
    • amixer
    • anacron
    • apachetop
    • aplay
    • aplaymidi
    • apm
    • apmd
    • apropos
    • apt-get
    • apt
    • aptitude
    • ar
    • arecord
    • arecordmidi
    • arp
    • aspell
    • at
    • atd
    • atop
    • aumix
    • autoconf
    • autoheader
    • automake
    • autoreconf
    • autoscan
    • badblocks
    • banner
    • basename
    • batch
    • bc
    • bg
    • biff
    • bind
    • bison
    • break
    • builtin
    • bzcmp
    • bzdiff
    • bzgrep
    • bzip2
    • cal
    • cardctl
    • cardmgr
    • case
    • cat
    • cc
    • ccrypt
    • cd
    • cdparanoia
    • cfdisk
    • chage
    • chdir
    • chfn
    • chgrp
    • chkconfig
    • chmod
    • chown
    • chpasswd
    • chroot
    • chrt
    • chsh
    • chvt
    • cksum
    • clorm
    • cloumn
    • cmp
    • comm
    • compress
    • continue
    • cp
    • cpio
    • cron
    • crond
    • crontab
    • csplit
    • ctags
    • cupsd
    • curl
    • cut
    • cvs
    • date
    • dd
    • ddrescue
    • debugfs
    • declare
    • depmod
    • devdump
    • df
    • diff
    • dig
    • dircolors
    • dirname
    • disable
    • dlpsh
    • dmesg
    • dmidecode
    • dnsdomainname
    • dnssec-makekeyset
    • dnssec-signkey
    • dnssec-signzone
    • dnssec
    • doexec
    • domainname
    • dosfsck
    • dstat
    • du
    • dump
    • dumpe2fs.
    • dumpkeys
    • e2fsck
    • e2image
    • e2label
    • echo
    • ed
    • edquota
    • eject
    • elvtune
    • emacs
    • enable
    • env
    • envsubst
    • esd-config
    • esd
    • esdcat
    • esdctl
    • esddsp
    • esdmon
    • esdplay
    • esdrec
    • esdsample
    • etags
    • ethtool
    • eval
    • ex
    • exec
    • exit
    • expand
    • expect
    • export
    • expr
    • factor
    • false
    • fc-cache
    • fc-list
    • fc
    • fdformat
    • fdisk
    • fg
    • fgrep
    • file
    • find
    • finger
    • flex
    • fmt
    • fold
    • for
    • formail
    • format
    • free
    • fsck
    • ftpd
    • function
    • g++
    • gawk
    • gdb
    • getent
    • getkeycodes
    • getopts
    • goaccess
    • gorupmod
    • gpasswd
    • gpgsplit
    • gpgv
    • gpm
    • gprof
    • grep
    • groff
    • groffer
    • groupadd
    • groupdel
    • groups
    • grpck
    • grpconv
    • gs
    • gunzip
    • gzexe
    • gzip
    • halt
    • hash
    • hdparm
    • head
    • help
    • hexdump
    • history
    • host
    • hostid
    • hostname
    • hostnamectl
    • htdigest
    • htop
    • hwclock
    • iconv
    • id
    • if
    • ifconfig
    • iftop
    • ifup
    • import
    • inetd
    • info
    • init
    • insmod
    • install
    • iostat
    • iotop
    • ip
    • ipcrm
    • ipcs
    • iptables-restore
    • iptables
    • isodump
    • isoinfo
    • isosize
    • isovfy
    • ispell
    • iwconfig
    • jnettop
    • jobs
    • join
    • journalctl
    • kbdrate
    • kill
    • killall
    • klogd
    • kudzu
    • last
    • lastlog
    • ld
    • ldconfig
    • ldd
    • less
    • lesskey
    • let
    • lftp
    • lftpget
    • link
    • ln
    • loadkeys
    • local
    • locate
    • lockfile
    • logger
    • login
    • logout
    • logrotate
    • logwatch
    • look
    • losetup
    • lpadmin
    • lpc
    • lpinfo
    • lpmove
    • lpq
    • lpr
    • lprint
    • lprintq
    • lprm
    • lpstat
    • ls
    • lsatb
    • lsattr
    • lsblk
    • lshw
    • lsmod
    • lsof
    • lspci
    • lsusb
    • mail
    • mailstats
    • make
    • makedbm
    • makemap
    • man
    • manpath
    • mattrib
    • mbadblocks
    • mcat
    • mcd
    • mcopy
    • mdu
    • merge
    • mesg
    • mformat
    • mkdir
    • mkfs
    • mkraid
    • mktemp
    • mlabel
    • mmove
    • modinfo
    • LPIC-3 Mixed Environments 300 Exam
    • most
    • mount
    • mountd
    • mpartition
    • mpstat
    • mv
    • named
    • nameif
    • neofetch
    • netcat
    • netstat
    • newaliases
    • newgrp
    • newusers
    • nfsstat
    • nice
    • nl
    • nm
    • nmcli
    • nohup
    • nslookup
    • nsupdate
    • objcopy
    • objdump
    • od
    • op
    • open
    • openvt
    • passwd
    • paste
    • patch
    • pathchk
    • pgrep
    • pidof
    • ping
    • pkill
    • pmap
    • popd
    • portmap
    • poweroff
    • pppd
    • pr
    • praliases
    • printcap
    • printenv
    • printf
    • ps
    • ptx
    • pushd
    • pv
    • pwck
    • pwconv
    • pwd
    • quota
    • quotacheck
    • quotactl
    • quotaoff
    • quotaon
    • quotastats
    • raidstart
    • ram
    • ramsize
    • ranlib
    • rar
    • rarpd
    • rcp
    • rdev
    • rdist
    • read
    • readarray
    • readcd
    • readelf
    • readlink
    • readonly
    • reboot
    • reject
    • rename
    • renice
    • repquota
    • reset
    • restore
    • return
    • rev
    • rexecd
    • rlogin
    • rlogind
    • rm
    • rmail
    • rmdir
    • rmmod
    • rndc
    • rootflags
    • route
    • routed
    • rpcgen
    • rpcinfo
    • rpm
    • rsh
    • rshd
    • rsync
    • runlevel
    • rup
    • rusers
    • rusersd
    • rwall
    • rwho
    • rwhod
    • sane-find-scanner
    • sar
    • scanadf
    • scanimage
    • scp
    • screen
    • script
    • scriptreplay
    • sdiff
    • sed
    • select
    • sensors
    • seq
    • service
    • set
    • setfdprm
    • setkeycodes
    • setleds
    • setmetamode
    • setquota
    • setsid
    • setterm
    • sftp
    • sh
    • shift
    • shopt
    • showkey
    • showmount
    • shred
    • shutdown
    • skill
    • slabtop
    • slacttach
    • sleep
    • slocate
    • snice
    • sort
    • source
    • split
    • ss
    • ssh-add
    • ssh-agent
    • ssh-keygen
    • ssh-keyscan
    • ssh
    • stat
    • statd
    • strfile
    • strings
    • strip
    • stty
    • su
    • sudo
    • sum
    • suspend
    • swapoff
    • swapon
    • symlink
    • sysctl
    • sysklogd
    • syslogd
    • systemctl
    • Systemd
    • tac
    • tail
    • tailf
    • talkd
    • tar
    • taskset
    • tcpdump
    • tcpslice
    • tee
    • telinit
    • telnet
    • terminator
    • tfdp
    • tftpd
    • tmpwatch
    • top
    • touch
    • tput
    • tr
    • tracepath
    • traceroute
    • trap
    • tree
    • tset
    • tty
    • tune2fs
    • tunelp
    • type
    • ul
    • unalias
    • uname
    • uncompress
    • unexpand
    • unicode_start
    • unicode_stop
    • uniq
    • units
    • unix2dos
    • unshar
    • until
    • uptime
    • useradd
    • usermod
    • usleep
    • uudecode
    • uuencode
    • uuidgen
    • vidmode
    • vmstat
    • vnstat
    • w
    • wall
    • warnquota
    • watch
    • wc
    • wget
    • whatis
    • which
    • while
    • who
    • whoami
    • write
    • xargs
    • xdg-open
    • xinetd
    • xz
    • yacc
    • ypbind
    • ypcat
    • ypinit
    • ypmatch
    • yppasswd
    • yppasswdd
    • yppoll
    • yppush
    • ypset
    • yptest
    • ypwhich
    • ypxfr
    • zcat
    • zcmp
    • zdiff
    • zdump
    • zforce
    • zgrep
    • zic
    • zip
    • zless
    • znew
    • readme
      • Some basic info about Cloud Computing model and SRE's
      • Ansible Automation
      • Backup and Recovery
      • Linux File Systems and Storage Management
      • Linux Networking
      • shell-scripting
      • LPIC-3 Mixed Environments 300 Objectives
    • File-systems-Cocepts
      • LPIC1-101
        • LPIC-3 Security Exam 303 Exam
        • /dev/
        • /etc/apt/sources.list
        • /etc/fstab
        • /etc/init.d/
        • LPIC-3 Virtualization and Containerization 305 Exam
        • /etc/ld.so.conf
        • /etc/systemd
        • /etc/yum.conf
        • /etc/yum.repos.d/
        • LPIC-3 Virtualization and Containerization 305 Objectives
        • /media
        • /proc/
        • modprobe
        • /sys/
        • /usr/lib/systemd/user/
        • -boot
        • .bash_history
        • Application container
        • BIOS
        • D-Bus machine ID
        • EFI System Partition
        • Guest drivers
        • LD_LIBRARY_PATH
        • Linux containers
        • MBR
        • Quoting
        • SSH host keys
        • SysVinit
        • UEFI
        • VFAT
        • VMs
        • XFS
        • -etc-inittab
        • -home
        • bootloader
        • -root
        • -var
        • dpkg-reconfigure
        • apt-cache
        • bash
        • exFAT
        • ext2/ext3/ext4
        • bunzip2
        • bzcat
        • dpkg
        • Grub-install
        • grub-mkconfig
        • initramfs
        • kernel
        • egrep
        • file globbing
        • filesystem
        • gdisk
        • menu.lst, grub.cfg and grub.conf
        • Partitions
        • regex(7)
        • rpm2cpio
        • sha256sum
        • sha512sum
        • mke2fs
        • mkswap
        • mount points
        • parted
        • swap space
        • tmux
        • umask
        • umount
        • unset
        • unxz
        • updatedb
        • whereis
        • xfs_db
        • xfs_fsr
        • xfs_repair - Copy (2)
      • LPIC1-102
        • xfs_repair
        • xzcat
        • yum
        • zypper
        • -etc-X11-xorg.conf
        • -etc-X11-xrog.conf.d
        • -etc-at.allow
        • -etc-at.deny
        • -etc-bash.bashrc
        • -etc-chrony.conf
        • -etc-cron.allow
        • -etc-cron.deny
        • -etc-cron
        • -etc-crontab
        • -etc-cups
        • -etc-group
        • -etc-hostname
        • -etc-hosts.allow
        • -etc-hosts.deny
        • -etc-hosts
        • -etc-init.d-
        • -etc-inittab
        • -etc-localhost
        • -etc-localtime
        • -etc-logrotate.conf
        • -etc-logrotate.d-
        • -etc-nologin
        • -etc-nsswitches.conf
        • -etc-nto.conf
        • -etc-ntp.conf
        • -etc-passwd
        • -etc-profile
        • -etc-resolv.conf
        • -etc-rsyslog.conf
        • -etc-services
        • -etc-shadow
        • -etc-skel-
        • -etc-ssh-ssh_host_dsa_key and ssh_host_dsa_key.pub
        • -etc-ssh-ssh_host_ecdsa_key and ssh_host_ecdsa_key.pub
        • -etc-ssh-ssh_host_ed25519_key and ssh_host_ed25519_key.pub
        • -etc-ssh-ssh_host_rsa_key and ssh_host_rsa_key.pub
        • -etc-sudoers
        • -etc-systemd-journald.conf
        • -etc-timezone
        • -etc-updatedb.conf
        • -etc-xinetd.conf
        • -etc-xinetd.d-
        • -usr-bin-locale
        • -usr-share-zoneinfo
        • -usr-share-zoninfo
        • -var-log-journal
        • -var-log
        • DISPLAY
        • -var-spool-cron
        • ASCII
        • Gnome
        • Braille Display.
        • CUPS configuration files, tools and utilities
        • Gesture
        • KDE
        • Gestures.
        • High ContrastLarge Print Desktop Themes.
        • IPv4-IPv6
        • ISO-8859
        • LANG
        • LC_
        • LC_ALL
        • Logical OR
        • Mouse keys
        • On-Screen Keyboard.
        • RDP
        • Screen Magnifier.
        • Screen Reader
        • Slow-Bounce-Toggle keys
        • Spice
        • Sticky-Repeat keys
        • Subnetting
        • TCP-UDP-ICMP
        • TZ
        • X
        • UTF-8
        • XDMCP
        • Xfce
        • Unicode
        • VNC
        • Voice recognition
        • X11
        • atq
        • atrm
        • chronyc
        • exim
        • fuser
        • gpg-agent
        • gpg
        • groupmod
        • ifdown
        • logic and
        • logic or
        • lpd legacy interface
        • mailq
        • nmap
        • ntpd
        • ntpdate
        • ping6
        • pool.ntp.org
        • postfix
        • sendmail emulation layer commands
        • sendmail
        • ssh_known_hosts
        • systemd-cat
        • systemd-run
        • systemd.socket
        • test
        • timedatectl
        • tracepath6
        • traceroute6
        • tzselect
        • xauth
        • ulimit
        • unset
        • userdel
        • who, w, last
        • xhost
        • ~-.bash_login
        • ~-.bash_logout
        • ~-.bash_profile
        • ~-.bashrc
        • ~-.forward
        • ~-.gnupg-
        • ~-.profile
        • ~-.ssh-authorized_keys
        • ~-.ssh-id_dsa and id_dsa.pub
      • LPIC2-201
        • /bin/dmesg
        • /bin/uname
        • Device Naming Conventions
        • /dev/mapper/
        • /etc/auto.[dir]
        • /etc/auto.master
        • ~-.ssh-id_ecdsa and id_ecdsa.pub
        • /etc/hostname and /etc/HOSTNAME
        • /etc/hosts.allow , /etc/hosts.deny
        • /etc/hosts
        • /etc/init.d/
        • /etc/inittab
        • /etc/mtab
        • /etc/network and /etc/sysconfig/network-scripts
        • /etc/rc.d/
        • /etc/resolv.conf
        • /etc/sysctl.conf
        • /etc/systemd/
        • /etc/udev/
        • /proc/mdstat
        • ~-.ssh-id_ed25519 and id_ed25519.pub
        • /proc/sys/kernel/
        • /run/systemd/
        • /sbin/depmod
        • /sbin/insmod
        • /sbin/lsmod
        • /sbin/lspci
        • lv
        • /sbin/modinfo
        • /sbin/modprobe
        • pv
        • /sbin/rmmod
        • ~-.ssh-id_rsa and id_rsa.pub
        • LVM Volume Group (vg)
        • /usr/bin/lsdev
        • /usr/bin/lsusb
        • /usr/src
        • EFI System Partition (ESP)
        • GRUB
        • Master boot record
        • ~-.xsesion-errors
        • /boot , /boot/grub , /boot/efi
        • UEFI shell
        • WWID, WWN, LUN numbers
        • blkid
        • blocks in
        • blocks out
        • btrfs, btrfs-convert
        • bzImage
        • -etc-fstab
        • configure
        • cryptsetup
        • diagnose
        • dkms
        • efiboot.img
        • efibootmgr
        • Extlinux
        • fsck
        • -proc-mounts
        • fstrim Command
        • grub-install
        • -sbin-sysctl
        • System log files such as -var-log-syslog, -var-log-messages and the systemd journal
        • initrd and initramfs
        • SysV Init Overview
        • iSCSI Components
        • isohdpfx.bin
        • ISOLINUX
        • chkconfig
        • iw
        • iwlist
        • lib/modules/kernel-version/modules.dep
        • fsck
        • lvm.conf
        • make targets
        • mdadm.conf
        • mdadm
        • mkfs
        • mkinitramfs
        • mkinitrd
        • mkisofs
        • mkswap
        • /etc/modprobe.d/
        • module tools
        • mount and umount
        • hdparm, sdparm
        • mtr (My Traceroute)
        • Netcat(nc)
        • Nmap
        • NVMe (Non-Volatile Memory Express)
        • partition type 0xFD
        • ping , ping6
        • predict growth
        • processes blocked on IO
        • pxelinux.0
        • pxelinux.cfg/
        • resource exhaustion
        • smartd, smartctl
        • init and telinit
        • isolinux.cfg
        • sync
        • sysctl
        • syslinux
        • lib-modules-kernel-version
        • systemd-delta
        • mount
        • swapoff
        • tune2fs
        • udevadm monitor
        • udevmonitor
        • uefi-grubx64.efi
        • uefi-shim.efi
        • update-rc.d
        • /usr/lib/systemd/
        • usr-src-linux-.config
        • /usr/src/linux
        • /usr/src/linux/Documentation/
        • Xfs_info, Xfs_check, Xfs_repair, Xfsdump and Xfsrestore
        • XZ
        • zImage
      • LPIC2-202
        • /etc/aliases
        • /etc/dovecot
        • /etc/exports
        • /etc/fstab
        • named.conf
        • /etc/nginx
        • /etc/openvpn
        • /etc/passwd
        • /etc/postfix/
        • /etc/samba/
        • /etc/services
        • /etc/ssh/sshd_config
        • /etc/ssh
        • -etc-ssl-, -etc-pki-
        • /proc/mounts
        • /proc/sys/net/ipv4/
        • /proc/sys/net/ipv6/
        • /etc/samba/
        • /var/named/
        • swapon
        • systemctl
        • .htaccess Files
        • Apache2 configuration files
        • AuthUserFile, AuthGroupFile
        • Conditions and comparison operators
        • Configuration files and commands for postfix
        • DHCP Log Messages in Syslog or Systemd Journal
        • DNSSEC
        • traceroute, traceroute6
        • LDIF (LDAP Data Interchange Format)
        • PermitRootLogin, PubKeyAuthentication, AllowUsers, PasswordAuthentication, Protocol
        • Private and public key files
        • SSLCACertificateFile, SSLCACertificatePath
        • SSLEngine, SSLCertificateKeyFile, SSLCertificateFile
        • SSLProtocol, SSLCipherSuite, ServerTokens, ServerSignature, TraceEnable
        • Access Logs:
        • ACL
        • apachectl, apache2ctl
        • tune2fs, dumpe2fs and debugfs
        • dhcpd.conf
        • dhcpd.leases
        • dhcpd
        • dnssec-keygen
        • dnssec-signzone
        • doveadm
        • doveconf
        • dovecot.conf
        • /etc/pam.d
        • exportfs
        • Fail2ban
        • htpasswd
        • http_access
        • httpd, apache2
        • httpd.conf
        • Important Pure-FTPd command line options
        • ip6tables
        • -var-named
        • ldapadd
        • ldapdelete
        • ldappasswd
        • ldapsearch
        • -var-spool-postfix
        • Mail-related logs in /var/log/
        • Master File Format in DNS
        • mod_auth_basic, mod_authz_host and mod_access_compat
        • mount.cifs
        • named-checkconf
        • named-checkzone
        • named-compilezone
        • net
        • Dovecot vacation extension
        • nsswitch.conf
        • OpenSSL
        • OpenVPN
        • pam.conf
        • pam_unix, pam_cracklib, pam_limits, pam_listfile, pam_sss
        • portmapper
        • radvd.conf
        • radvd
        • Resource Record Formats
        • rpcinfo
        • samba-tool
        • Sendmail emulation layer commands
        • slapadd
        • slapcat
        • slapd-config
        • arp
        • keep, fileinto, redirect, reject, discard, stop
        • smbclient
        • Additional Samba Commands: smbcontrol, smbstatus, testparm, smbpasswd, nmblookup
        • SMB Daemons: smbd, nmbd, winbindd
        • squid.conf
        • sshd
        • sssd.conf
        • loglevel
        • vsftpd.conf
        • zone file syntax
      • LPIC3-300
        • IPC$
        • [homes]
        • tunefs.ocfs2
        • vgchange
        • vgcreate
        • HKLM\Software\Samba
        • LDIF (LDAP Data Interchange Format)
        • Microsoft-ADSI-Edit
        • Microsoft-LDP
        • microsoft mmc
        • Microsoft RSAT Tools
        • Microsoft Regedit
        • REG_SZ and REG_MULTI_SZ
        • SeDiskOperatorPrivilege
        • vgdisplay
        • Virtual Machine Generation Identifier
        • Virtual Machine Snapshots
        • allow-dns-updates
        • vgreduce
        • vgreduce
        • vgreduce
        • chmod
        • chown
        • cifscreds
        • cifsiostat
        • config backend
        • vgreduce
        • create-mask and create-mode
        • ifenslave
        • log level (or debuglevel) in Samba
        • delete veto files
        • dig
        • Directory Mask and Force Directory Mode
        • dns-forwarder
        • /etc/exports
        • /etc/fstab
        • /etc/group
        • /etc/idmapd.conf
        • ip
        • /etc/nsswitch.conf
        • /etc/pam.conf
        • /etc/pam.d/
        • /etc/group
        • /etc/resolv.conf
        • exportfs
        • ipvsadm
        • force-create-mode
        • force-directory-mode
        • force group
        • force-user
        • getcifsacl
        • getent
        • getfacl
        • getfattr
        • gpupdate
        • keepalived-configuration-file
        • kpartx
        • ldirectord-configuration-file
        • loadbalancing-algorithms
        • lvchange
        • lvconvert
        • host
        • lvcreate
        • lvdisplay
        • idmap-config
        • idmap_ad
        • lvextend
        • idmap_ldap
        • idmap_rfc2307
        • idmap_rid
        • idmap_tdb
        • idmap_tdb2
        • include
        • inherit-acls
        • lvreduce
        • FreeIPA (IPA)
        • ipa
        • ipa
        • IPA
        • ipa-adtrust-install
        • ipa-advice
        • ipa-client-install
        • ipa-replica-install
        • ipa-replica-prepare
        • ipa-server-install
        • ipactl
        • ipctl
        • kdestroy
        • kinit
        • klist
        • krb5.conf
        • lvresize
        • ldbadd
        • ldbdel
        • ldbedit
        • ldbmodify
        • ldbsearch
        • libnss_winbind
        • libpam_winbind
        • mdadm
        • log level (or debuglevel) in Samba
        • logon-path
        • logon-script
        • map-acl-inherit
        • mount
        • mount.cifs
        • mount Command
        • mkfs.gfs2
        • mkfs.ocfs2
        • multicast dns register
        • net
        • monit
        • net ads
        • net registry
        • nfs4_editfacl
        • nfs4_getfacl
        • nfs4_setfacl
        • nmbd (NetBIOS Name Service Daemon)
        • ntpd.conf
        • ntpsigndsocket
        • mount.gfs2
        • mount.ocfs2
        • mounted.ocfs2
        • multipath
        • nmcli
        • pam_mount.conf.xml
        • pam_mount.so
        • pam_smbpass.so
        • nvme-cli
        • passdb-backend
        • o2image
        • pdbedit
        • o2info
        • ocfpacemakerHealthCPU
        • ocfpacemakerHealthSMART
        • profile-acls
        • rdesktop
        • ocfpacemakerNodeUtilization
        • realm
        • Registry shares
        • registry.tdb in Samba
        • robocopy
        • ocfpacemakerocfSysInfo
        • rpcclient
        • rsync.conf
        • rsync
        • samba regedit
        • samba-tool dbcheck
        • samba-tool dns
        • ocfpacemakerping
        • samba-tool domain backup
        • samba-tool domain backup
        • samba-tool domain exportkeytab
        • samba-tool domain passwordsettings
        • pcs
        • pvcreate
        • samba-tool gpo
        • samba-tool group
        • samba-tool ntacl
        • pvdisplay
        • samba-tool spn
        • samba-tool user
        • Samba
        • samba_dnsupdate
        • secrets.tdb in Samba
        • security
        • server role
        • server services
        • server string
        • setcifsacl
        • setfacl
        • sharesec
        • smb-encrypt
        • smb.conf
        • smbcacls
        • smbclient
        • smbcontrol
        • smbcquotas
        • smbd (Samba Daemon)
        • smbget
        • smbpasswd
        • pvmove
        • smbstatus
        • smbtar
        • pvremove
        • pvresize
        • sss_cache
        • sss_debuglevel
        • sss_override
        • sss_user and sss_group
        • sssd.conf
        • rados-(including-relevant-subcommands)
        • store-dos-attributes
        • systemctl
        • tdbbackup
        • tdbdump
        • tdbrestore
        • tdbtool
        • template-homedir
        • template-shell
        • testparm
        • tls-cafile
        • tls-certfile
        • tls-dh-params-file
        • tls-enabled
        • tls-keyfile
        • rdb(including-relevant-subcommands)
        • /var/lib/samba/sysvol/
        • /var/lib/sss/db
        • /var/log/samba/
        • sbd
        • smartctl
        • vfs objects
        • vfs_acl_tdb
        • vfs_acl_xattr
        • wbinfo
        • winbind-enumerate-groups
        • smartd
        • winbind-offline-logon
        • winbind-separator
        • winbindd
        • workgroup
        • stonith
        • stonith_admin
      • LPIC3-303
        • /etc/aide/aide.conf
        • /etc/crypttab
        • /etc/openvas/
        • /etc/openvpn/
        • /etc/raddb/
        • /etc/rkhunter.conf
        • /etc/security/limits.conf
        • /etc/selinux/
        • /etc/snort
        • /etc/ssh/sshd_config
        • /etc/ssh
        • /etc/strongswan.conf
        • /etc/strongswan.d/.
        • /etc/swanctl/
        • /etc/swanctl/swanctl.conf
        • /etc/sysctl.conf
        • /etc/usbguard/rules.conf
        • /etc/usbguard/usbguard-daemon.conf
        • /etc/wireguard/
        • /proc/cgroups
        • nginx
        • slapd
        • ARP and NDP
        • Brute force attacks
        • Buffer overflows
        • CRL (Certificate Revocation List)
        • CSR (Certificate Signing Request)
        • CSRF
        • XSS
        • DoS and DDoS
        • keylogger
        • Link layer address and IP address spoofing
        • Man-in-the-Middle
        • OCSP (Online Certificate Status Protocol)
        • OpenSSL Configuration
        • PEM, DER, PKCS
        • Phishing
        • Privilege escalation
        • Rainbow tables
        • Rogue access points, routers, and DHCP servers
        • Rootkits
        • SQL and codes injection
        • Social engineering
        • slapindex
        • varlibldap
        • aide
        • apol
        • audit.rules
        • audit2allow
        • audit2why
        • auditctl
        • auditd.conf
        • auditd
        • ausearch, aureport
        • -sys-fs-group-
        • capsh
        • chcon
        • chkrootkit
        • chroot
        • conf.maldet
        • cryptmount
        • cryptsetup (Disk Encryption Setup)
        • delv
        • dnssec-dsfromkey
        • -sys-fs-group
        • dnssec-settime
        • Trojans
        • dpkg
        • ecryptfs- commands
        • ecryptfsd
        • fixfiles
        • getcap
        • getenforce
        • getfacl
        • getfattr
        • getsebool
        • grub.cfg
        • httpd.conf (Apache HTTP Server Configuration)
        • ip6tables-restore
        • ip6tables-save
        • ip6tables
        • ipset
        • iptables-save
        • iptables
        • Kismet
        • Linux Malware Detect (maldet)
        • mod_ssl (Apache SSL Module)
        • mount.ecryptfs, umount.ecryptfs
        • named.conf
        • ndpmon
        • newrole
        • ntop
        • openssl
        • openvas-adduser
        • openvas-feed-update
        • openvas-mkcert
        • openvas-nvt-sync
        • openvas-rmuser
        • openvassd
        • OpenVPN
        • pam_ecryptfs
        • pam_limits.so
        • pam_tty_audit.so
        • pulledpork.pl
        • radclient
        • radiusd.conf
        • radiusd
        • Viruses
        • radmin
        • radtest
        • radwho
        • restorecon
        • rkhunter
        • rndc
        • c
        • seaudit
        • seinfo
        • selinuxenabled
        • semanage
        • sestatus
        • setcap
        • setcon
        • setenforce
        • setfacl
        • setfattr
        • setfiles
        • setsebool
        • snort-stat
        • snort
        • ssh-keygen
        • swanctl
        • sysctl
        • systemctl
        • systemd-cgls
        • systemd-cgtop
        • Tcpdump
        • togglesebool
        • tshark
        • dnssec-keygen
        • usbguard
        • wg-quick
        • wg
        • wireshark
        • ~/.ssh/
      • LPIC3-305
        • -dev-kvm-
        • /etc/docker/daemon.json
        • /etc/libvirt — Libvirt Configuration Directory
        • -proc -[0-9]+-status
        • -proc-[0-9]+-ns
        • -sys-fs-cgroups
        • /var/lib/cloud
        • /var/lib/docker
        • CPU-flags
        • Dockerfile
        • Domain0(Dom0),DomainU (DomU)
        • Emulation and Simulation
        • Hardware Virtual Machine (HVM)
        • IaaS, PaaS, SaaS
        • Kernel-modules-kvm,kvm-intel.and.kvm-amd
        • Migration (P2V, V2V)
        • OpenStack
        • PV-DomU,HVM-DomU
        • Paravirtualization (PV)
        • QEMU Monitor
        • Terraform
        • Vagrantfile
        • brctl — Bridge Control Utility
        • capsh
        • cloud-init
        • syncd
        • dockerd
        • etc-xen-
        • guestumount — Virtual Disk Image Unmounting Tool
        • guestmount
        • guestumount
        • Hypervisor
        • ip(including-relevant-subcommands)
        • ip — Network Management Command
        • libvirtd — Libvirt Daemon (Legacy Central Virtualization Daemon)
        • LXC (Linux Containers)
        • LXD (Linux Container Daemon)
        • nsenter
        • Packer
        • tunefs.ocfs2
        • qemu-img — QEMU Disk Image Utility
        • vgchange
        • qemu — Quick Emulator
        • tunctl — TUN/TAP Device Control Utility
        • unshare
        • user-data
        • vagrant
        • virsh — Virtualization Shell for Managing VMs
        • virt-cat
        • virt-copy-in
        • virt-copy-out
        • virt-df
        • virt-diff
        • virt-filesystems
        • virt-inspector
        • virt-p2v-make-disk
        • virt-p2v
        • virt-rescue
        • virt-resize
        • virt-sparsify
        • virt-sysprep
        • virt-v2v
        • xentop
        • xl.cfg
        • xl.conf
        • xl
      • LPIC3-306
        • /etc/drbd.conf
        • /etc/drbd.d/
        • /etc/lvm/lvm.conf Configuration File
        • /etc/multipath.conf
        • /etc/network/interfaces
        • /etc/smartd.conf
        • /etc/sysconfig/networking-scripts/ifcfg-*
        • /etc/systemd/network/*.netdev
        • /etc/systemd/network/*.network
        • /proc/drbd
        • /proc/mdstat
        • /proc/sys/dev/raid
        • -sys-class-net-bond-bonding-miimon
        • -sys-class-net-bond-bonding-slaves
        • -sys-class-net-bonding_masters
        • Access Control Lists (ACLs)
        • Active-Active Cluster
        • vgcreate
        • Cluster Services
        • Disaster Recovery (DR)
        • Failover Cluster
        • Fencing (Node and Resource Level Fencing)
        • HAProxy Configuration File
        • LVS Forwarding Methods
        • Load-Balanced Cluster
        • Mean Time Before Failure (MTBF)
        • Mean Time To Repair (MTTR)
        • Primary, Secondary
        • ProtocolA,BandC
        • Quorum
        • Redundancy
        • Replication
        • Service-Level Agreement (SLA)
        • Session-Handling
        • Shared-Disk Cluster
        • Shared-Nothing Cluster
        • Split-Brain
        • State-Handling
        • Three-way replication
        • active-passive-cluster
        • apctest
        • apcupsd
        • authkeys
        • bonding.ko
        • Ceph
        • ceph-authtool
        • ceph-bluestore-tool
        • ceph-deploy
        • ceph-volume
        • ceph.conf
        • CephFS
        • cibadmin
        • connection-scheduling-algorithms
        • corosync-cfgtool
        • corosync-cmapctl
        • corosync-quorumtool
        • corosync.conf
        • crm
        • crm_attribute
        • crm_mon
        • crm_node
        • crm_resource
        • crm_shadow
        • crm_simulate
        • crm_standby
        • crm_verify
        • crushtool
        • DRBD Kernel Module
        • drbdadm
        • drbdmeta
        • drbdsetup
        • vgdisplay
        • fsck.ocfs2
        • genhash
        • gfs2_edit
        • gfs2_grow
        • gfs2_jadd
        • gluster
        • ifenslave Command
        • ip Command
        • ipvsadm
        • iscsiadm
        • iscsid.conf
        • Keepalived Configuration File
        • kpartx
        • ldirectord Configuration File
        • loadbalancing-algorithms
        • vgreduce
        • lvconvert
        • lvcreate
        • lvdisplay
        • lvextend
        • lvreduce
        • lvresize
        • mdadm
        • mkfs.gfs2
        • mkfs.ocfs2
        • Monit
        • mount.gfs2
        • mount.ocfs2
        • mounted.ocfs2
        • multipath
        • nmcli
        • nvme-cli
        • o2image
        • o2info
        • ocf:pacemaker:HealthCPU
        • ocf:pacemaker:HealthSMART
        • ocf:pacemaker:NodeUtilization
        • ocf:pacemaker:ocfSysInfo
        • ocf:pacemaker:ping
        • pcs
        • pvcreate
        • pvdisplay
        • pvmove
        • pvremove
        • pvresize
        • rados
        • rbd
        • authkey
        • smartctl
        • smartd
        • bonding.ko-(including-relevant-module-options)
        • stonith
        • stonith_admin
        • syncd
        • targets.conf
        • tgtadm
        • tunefs.ocfs2
        • vgchange
        • vgcreate
        • vgdisplay
        • vgreduce
  • Security attacks full list
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On this page
  • Topic 101: System Architecture
  • Topic 102: Linux Installation and Package Management
  • Topic 103: GNU and Unix Commands
  • Topic 104: Devices, Linux Filesystems, Filesystem Hierarchy Standard
  1. Lpic 1

LPIC-1 Exam 101 Objectives

PreviousLPIC-1 Exam 101 (101-500) ExamNexthow to use lvm snapshots

Last updated 6 months ago

Topic 101: System Architecture

101.1 Determine and configure hardware settings

Weight 2

Description Candidates should be able to determine and configure fundamental system hardware.

Key Knowledge Areas:

Enable and disable integrated peripherals. Differentiate between the various types of mass storage devices. Determine hardware resources for devices. Tools and utilities to list various hardware information (e.g. lsusb, lspci, etc.). Tools and utilities to manipulate USB devices. Conceptual understanding of sysfs, udev and dbus. The following is a partial list of the used files, terms and utilities:

101.2 Boot the system

Weight 3

Description Candidates should be able to guide the system through the booting process.

Key Knowledge Areas:

Provide common commands to the boot loader and options to the kernel at boot time. Demonstrate knowledge of the boot sequence from BIOS/UEFI to boot completion. Understanding of SysVinit and systemd. Awareness of Upstart. Check boot events in the log files. The following is a partial list of the used files, terms and utilities:

101.3 Change runlevels / boot targets and shutdown or reboot system

Weight 3

Description Candidates should be able to manage the SysVinit runlevel or systemd boot target of the system. This objective includes changing to single user mode, shutdown or rebooting the system. Candidates should be able to alert users before switching runlevels / boot targets and properly terminate processes. This objective also includes setting the default SysVinit runlevel or systemd boot target. It also includes awareness of Upstart as an alternative to SysVinit or systemd.

Key Knowledge Areas:

Set the default runlevel or boot target. Change between runlevels / boot targets including single user mode. Shutdown and reboot from the command line. Alert users before switching runlevels / boot targets or other major system events. Properly terminate processes. Awareness of acpid. The following is a partial list of the used files, terms and utilities:

Topic 102: Linux Installation and Package Management

102.1 Design hard disk layout

Weight 2

Description Candidates should be able to design a disk partitioning scheme for a Linux system.

Key Knowledge Areas:

Allocate filesystems and swap space to separate partitions or disks. Tailor the design to the intended use of the system. Ensure the /boot partition conforms to the hardware architecture requirements for booting. Knowledge of basic features of LVM. The following is a partial list of the used files, terms and utilities:

102.2 Install a boot manager

Weight 2

Description Candidates should be able to select, install and configure a boot manager.

Key Knowledge Areas:

Providing alternative boot locations and backup boot options. Install and configure a boot loader such as GRUB Legacy. Perform basic configuration changes for GRUB 2. Interact with the boot loader. The following is a partial list of the used files, terms and utilities:

102.3 Manage shared libraries

Weight 1

Description Candidates should be able to determine the shared libraries that executable programs depend on and install them when necessary.

Key Knowledge Areas:

Identify shared libraries. Identify the typical locations of system libraries. Load shared libraries. The following is a partial list of the used files, terms and utilities:

102.4 Use Debian package management

Weight 3

Description Candidates should be able to perform package management using the Debian package tools.

Key Knowledge Areas:

Install, upgrade and uninstall Debian binary packages. Find packages containing specific files or libraries which may or may not be installed. Obtain package information like version, content, dependencies, package integrity and installation status (whether or not the package is installed). Awareness of apt. The following is a partial list of the used files, terms and utilities:

102.5 Use RPM and YUM package management

Weight 3

Description Candidates should be able to perform package management using RPM, YUM and Zypper.

Key Knowledge Areas:

Install, re-install, upgrade and remove packages using RPM, YUM and Zypper. Obtain information on RPM packages such as version, status, dependencies, integrity and signatures. Determine what files a package provides, as well as find which package a specific file comes from. Awareness of dnf. The following is a partial list of the used files, terms and utilities:

102.6 Linux as a virtualization guest

Weight 1

Description Candidates should understand the implications of virtualization and cloud computing on a Linux guest system.

Key Knowledge Areas:

Understand the general concept of virtual machines and containers Understand common elements virtual machines in an IaaS cloud, such as computing instances, block storage and networking Understand unique properties of a Linux system which have to changed when a system is cloned or used as a template Understand how system images are used to deploy virtual machines, cloud instances and containers Understand Linux extensions which integrate Linux with a virtualization product Awareness of cloud-init The following is a partial list of the used files, terms and utilities:

Topic 103: GNU and Unix Commands

103.1 Work on the command line

Weight 4

Description Candidates should be able to interact with shells and commands using the command line. The objective assumes the Bash shell.

Key Knowledge Areas:

Use single shell commands and one line command sequences to perform basic tasks on the command line. Use and modify the shell environment including defining, referencing and exporting environment variables. Use and edit command history. Invoke commands inside and outside the defined path. The following is a partial list of the used files, terms and utilities:

103.2 Process text streams using filters

Weight 2

Description Candidates should should be able to apply filters to text streams.

Key Knowledge Areas:

Send text files and output streams through text utility filters to modify the output using standard UNIX commands found in the GNU textutils package. The following is a partial list of the used files, terms and utilities:

103.3 Perform basic file management

Weight 4

Description Candidates should be able to use the basic Linux commands to manage files and directories.

Key Knowledge Areas:

Copy, move and remove files and directories individually. Copy multiple files and directories recursively. Remove files and directories recursively. Use simple and advanced wildcard specifications in commands. Using find to locate and act on files based on type, size, or time. Usage of tar, cpio and dd. The following is a partial list of the used files, terms and utilities:

103.4 Use streams, pipes and redirects

Weight 4

Description Candidates should be able to redirect streams and connect them in order to efficiently process textual data. Tasks include redirecting standard input, standard output and standard error, piping the output of one command to the input of another command, using the output of one command as arguments to another command and sending output to both stdout and a file.

Key Knowledge Areas:

Redirecting standard input, standard output and standard error. Pipe the output of one command to the input of another command. Use the output of one command as arguments to another command. Send output to both stdout and a file. The following is a partial list of the used files, terms and utilities:

103.5 Create, monitor and kill processes

Weight 4

Description Candidates should be able to perform basic process management.

Key Knowledge Areas:

Run jobs in the foreground and background. Signal a program to continue running after logout. Monitor active processes. Select and sort processes for display. Send signals to processes. The following is a partial list of the used files, terms and utilities:

103.6 Modify process execution priorities

Weight 2

Description Candidates should should be able to manage process execution priorities.

Key Knowledge Areas:

Know the default priority of a job that is created. Run a program with higher or lower priority than the default. Change the priority of a running process. The following is a partial list of the used files, terms and utilities:

103.7 Search text files using regular expressions

Weight 3

Description Candidates should be able to manipulate files and text data using regular expressions. This objective includes creating simple regular expressions containing several notational elements as well as understanding the differences between basic and extended regular expressions. It also includes using regular expression tools to perform searches through a filesystem or file content.

Key Knowledge Areas:

Create simple regular expressions containing several notational elements. Understand the differences between basic and extended regular expressions. Understand the concepts of special characters, character classes, quantifiers and anchors. Use regular expression tools to perform searches through a filesystem or file content. Use regular expressions to delete, change and substitute text. The following is a partial list of the used files, terms and utilities:

103.8 Basic file editing

Weight 3

Description Candidates should be able to edit text files using vi. This objective includes vi navigation, vi modes, inserting, editing, deleting, copying and finding text. It also includes awareness of other common editors and setting the default editor.

Key Knowledge Areas:

Navigate a document using vi. Understand and use vi modes. Insert, edit, delete, copy and find text in vi. Awareness of Emacs, nano and vim. Configure the standard editor. The following is a partial list of the used files, terms and utilities:

Topic 104: Devices, Linux Filesystems, Filesystem Hierarchy Standard

104.1 Create partitions and filesystems

Weight 2

Description Candidates should be able to configure disk partitions and then create filesystems on media such as hard disks. This includes the handling of swap partitions.

Key Knowledge Areas:

Manage MBR and GPT partition tables Use various mkfs commands to create various filesystems such as:

Basic feature knowledge of Btrfs, including multi-device filesystems, compression and subvolumes.

The following is a partial list of the used files, terms and utilities:

104.2 Maintain the integrity of filesystems

Weight 2

Description Candidates should be able to maintain a standard filesystem, as well as the extra data associated with a journaling filesystem.

Key Knowledge Areas:

Verify the integrity of filesystems. Monitor free space and inodes. Repair simple filesystem problems. The following is a partial list of the used files, terms and utilities:

104.3 Control mounting and unmounting of filesystems

Weight 3

Description Candidates should be able to configure the mounting of a filesystem.

Key Knowledge Areas:

Manually mount and unmount filesystems. Configure filesystem mounting on bootup. Configure user mountable removable filesystems. Use of labels and UUIDs for identifying and mounting file systems. Awareness of systemd mount units. The following is a partial list of the used files, terms and utilities:

104.4 Removed

104.5 Manage file permissions and ownership

Weight 3

Description Candidates should be able to control file access through the proper use of permissions and ownerships.

Key Knowledge Areas:

Manage access permissions on regular and special files as well as directories. Use access modes such as suid, sgid and the sticky bit to maintain security. Know how to change the file creation mask. Use the group field to grant file access to group members. The following is a partial list of the used files, terms and utilities:

104.6 Create and change hard and symbolic links

Weight 2

Description Candidates should be able to create and manage hard and symbolic links to a file.

Key Knowledge Areas:

Create links. Identify hard and/or soft links. Copying versus linking files. Use links to support system administration tasks. The following is a partial list of the used files, terms and utilities:

104.7 Find system files and place files in the correct location

Weight 2

Description Candidates should be thoroughly familiar with the Filesystem Hierarchy Standard (FHS), including typical file locations and directory classifications.

Key Knowledge Areas:

Understand the correct locations of files under the FHS. Find files and commands on a Linux system. Know the location and purpose of important file and directories as defined in the FHS. The following is a partial list of the used files, terms and utilities:

/sys/
/proc/
/dev/
modprobe
lsmod
lspci
lsusb
dmesg
journalctl
BIOS
UEFI
bootloader
kernel
initramfs
init
SysVinit
systemd
/etc/inittab
shutdown
init
/etc/init.d/
telinit
systemd
systemctl
/etc/systemd/
/usr/lib/systemd/
wall
/ (root) filesystem
/var filesystem
/home filesystem
/boot filesystem
EFI System Partition (ESP)
swap space
mount points
partitions
menu.lst, grub.cfg and grub.conf
grub-install
grub-mkconfig
MBR
ldd
ldconfig
/etc/ld.so.conf
LD_LIBRARY_PATH
/etc/apt/sources.list
dpkg
dpkg-reconfigure
apt-get
apt-cache
rpm
rpm2cpio
/etc/yum.conf
/etc/yum.repos.d/
yum
zypper
Virtual machine
Linux container
Application container
Guest drivers
SSH host keys
D-Bus machine id
bash
echo
env
export
pwd
set
unset
type
which
man
uname
history
.bash_history
Quoting
bzcat
cat
cut
head
less
md5sum
nl
od
paste
sed
sha256sum
sha512sum
sort
split
tail
tr
uniq
wc
xzcat
zcat
cp
find
mkdir
mv
ls
rm
rmdir
touch
tar
cpio
dd
file
gzip
gunzip
bzip2
bunzip2
xz
unxz
file globbing
tee
xargs
bg
fg
jobs
kill
nohup
ps
top
free
uptime
pgrep
pkill
killall
watch
screen
tmux
nice
ps
renice
top
grep
egrep
fgrep
sed
regex(7)
vi
/, ?
h,j,k,l
i, o, a
d, p, y, dd, yy
ZZ, :w!, :q!
EDITOR
ext2/ext3/ext4
XFS
VFAT
exFAT
fdisk
gdisk
parted
mkfs
mkswap
du
df
fsck
e2fsck
mke2fs
tune2fs
xfs_repair
xfs_fsr
xfs_db
/etc/fstab
/media/
mount
umount
blkid
lsblk
chmod
umask
chown
chgrp
ln
ls
find
locate
updatedb
whereis
which
type