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Devops Skills Documentation
System
Devops Skills Documentation
Overview
Os
Os
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Linux
Linux
Linux
Binwalk
Devices
Flashrom
Strings
Files
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Certificates
File
Find
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Locate
Mkdir
Rmdir
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Tee
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Copy (cp)
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Edit
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Cat
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Grep
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More
Nl
Sed
Sort
Tail
Iam
Iam
Acls
Acls
Acl
Groups
Groups
Groups
Add
Delete
Update
Ldap
Ldap
Client
Plugable Authentication Module (PAM)
Server
Priviledges
Priviledges
Add
Root
Profiles
Profiles
generics
Env
Unset
Users
Users
Users
Add
Delete
Lastlog
Passwords
System
System
Table of contents
System/Program accounts
Update
Kernel
Kernel
Details
Dmesg
Kmod
Modprobe
Kernel runtime parameters
uname
Logging
Logging
Journal Control (journalctl)
Last
Less
Rsyslog
Tail
Networking
Networking
Who
Whoami
Tools
Tools
Arp
Bond
Bridge
Dnsrecon
Ifconfig
Ifplugstatus
Iftop
Iperf3
Iwconfig
Masscan
Mtr
Namespaces
Netcat (nc)
Netdiscover
Netstat
NMAP
Ping
Route
ss
Tcpdump
Tcpreplay
Telnet
Tracepath
Traceroute
Dns
Dns
Lookup
Lookup
Dig
Dnsget
Dnstracer
Host
Hostname
Nslookup
Servers
Servers
Berkley Internet Naming Daemon (BIND)
Unbound
Domain
Domain
Whois
Subdomains
Subdomains
Assetsfinder
Subfinder
Sublist3r
Subzy
Firewall
Firewall
Firewalld
Iptables
Nftables
Uncomplicated Firewall (ufw)
Ip
Ip
generic
Address
Link
Neighbors
Route
Netplan
Netplan
Apply
Get
Inspect
See network from cloud init
Packages
Packages
Apt
Dnf
Rpm
Yum
Processes
Processes
Bg
Fg
Htop
Jobs
Kill
Killall
Lsof
Nice
Nohup
Pgrep
Pkill
Progress
Ps
Renice
Top
Wait
Watch
Resources
Resources
Cpu
Limits
Memory
Storage
Scheduling
Scheduling
Anacron
At
Cron
Security
Security
Apparmor
Selinux
Simplified Mandatory Access Control Kernel (SMACK)
Services
Services
Service
Systemctl
Systemctl
System Control
Boot targets
Locations
Services
Startup services
Storage
Storage
Fsck
Iostat
Disk
Disk
Blkid
Cfdisk
Disk Drives - dd
Df
Du
Fdisk
Gdisk
Lsblk
Parted
Sfdisk
Stat
Swap
Filesystem
Filesystem
Findmnt
Fstab
Mkfs
Mount
Umount
Ext4
Ext4
Ext4
Mke2fs
Tune2fs
Xfs
Xfs
Xfs
Xfs admin
Xfs info
Share
Share
Ftp
Ftp
Tnftp
Lvm
Lvm
Lvm
Lv
Lv
Lvcreate
Lvmdiskscan
Lvresize
Lvs
Pv
Pv
Pvcreate
Pvremove
Pvs
Vg
Vg
Vgcreate
Vgextend
Vgreduce
Vgs
Nbd
Nbd
Client
Server
Nfs
Nfs
Client
Server
System
System
Apropos
command
Docs
Exit
History
Hwinfo
Info
Source
State
Test
Time
Tldr
Type
Uptime
Users
Whatis
Whereis
Which
Who
Table of contents
System/Program accounts
System
System/Program accounts
sudo adduser --system --no-create-home <username>