Linux Commands

User Management

Hardware

  • get info about GPU: lshw -C display
  • get infos about CPU: cat /proc/cpuinfo
  • get infos about CPU temperature and fans

Proxy Handling

SSH through a Proxy (to an EC2 instance in this example)

ssh -i <key_file>.pem <user>@<target_host_or_ip> -o "ProxyCommand=nc -X connect -x <proxy_ip>:<proxy_port> %h %p"

SCP through a Proxy (to an EC2 instance in this example)

scp -i ~/.ssh/<key_file>.pem -o "ProxyCommand=nc -X connect -x <proxy_ip>:<proxy_port> %h %p" <file> <user>@<target_host_or_ip>:

Special

  • output to terminal and file: command | tee <filename>

Rotate Terminal

  • to the right: echo 1 | sudo tee /sys/class/graphics/fbcon/rotate_all
  • to the left: echo 3 | sudo tee /sys/class/graphics/fbcon/rotate_all

Administration

  • reboot with timer (5 minutes) and message: shutdown -r +5 "<message>"

Bash Aliases

alias ls='ls --color=auto -h'
alias la='ls -lA'
alias ll='ls -l'
Last modified October 11, 2022: Update linux-cmds.md (fc57039)