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Devops Skills Documentation

Overview
Os
Os
- OS
- Linux
  Linux
  - Linux
  - Binwalk
  - Devices
  - Flashrom
  - Strings
  - Files
    Files
    
    Certificates Certificates
    Table of contents
    
    Secure Socket Layer (SSL)
    
    Transport Layer Security (TLS ~ upgraded SSL)
    
    Open SSL
    
    File
    
    Find
    
    Hard Links
    
    Locate
    
    Mkdir
    
    Rmdir
    
    Rsync
    
    Scp
    
    Stat
    
    Tee
    
    Basic
    Basic
    
    Copy (cp)
    
    Move (mv)
    
    Rm
    
    Touch
    
    Compare
    Compare
    
    Cmp
    
    Comm
    
    Diff
    
    Compress
    Compress
    
    Bzip2
    
    Gzip
    
    Tar
    
    Unzip
    
    Xz
    
    Zip
    
    Edit
    Edit
    
    Nano
    
    Vim
    
    Navigate
    Navigate
    
    Cd
    
    Ls
    
    Pwd
    
    Permissions
    Permissions
    
    Chattr
    
    Chgrp
    
    Chmod
    
    Chown
    
    Lsattr
    
    View
    View
    
    Cat
    
    Column
    
    Cut
    
    Grep
    
    Head
    
    Less
    
    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
    
    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

Certificates

Secure Socket Layer (SSL)

Transport Layer Security (TLS ~ upgraded SSL)

Open SSL

man openssl