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useful_commands [2019/09/27 20:35] dinouseful_commands [2024/03/12 21:23] (current) – external edit 127.0.0.1
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 +**Basic info about your distribution**\\
 +<code>cat /etc/os-release</code>\\
 +
 +**What is my computer's ip address**\\
 +<code>hostname -I </code> or \\
 +<code>ip -s -c -h a</code> 
 +
 **How to restart your network connection**\\ **How to restart your network connection**\\
 <code>sudo service network-manager restart</code> <code>sudo service network-manager restart</code>
 +
 +**See which tasks and processes are running**\\
 +<code>top</code>
 +
 +**Which linux kernel/version**\\
 +<code>uname -a</code>   
 +
 +**How much RAM memory is used**\\
 +<code>free -m</code>
 +
 +**How to find out exact installation date of your Linux OS**\\
 +<code>sudo su</code>
 +<code>fs=$(df / | tail -1 | cut -f1 -d' ') && tune2fs -l $fs | grep created</code>
 +
 +**See sources list your OS is using**\\
 +<code>cat /etc/apt/sources.list</code>
 +
 +**Run an app as root**\\             
 +<code>sudo caja</code> 
 +
 +**List all installed packages**\\                 
 +<code>dpkg --list</code>             
 +
 +**Update and/or delete an app**\\
 +<code>
 +sudo apt-get upgrade firefox            <-- update an app
 +sudo apt-get remove “package-name”      <-- delete app
 +sudo apt-get purge “package-name”       <-- delete apps + settings
 +sudo apt-get autoremove                 <-- remove all dependencies you don't need
 +sudo apt autoclean && sudo apt autoremove
 +</code>
 +
 +**Enable firewall**\\
 +<code>sudo ufw enable</code>
 + 
 +**Disable firewall**\\
 +<code>sudo ufw disable  </code>
 +
 +**Show your PC specifications**\\
 + <code>inxi -Frxzc0 </code>           
 +
 +**Output of a command to a text file**\
 +fx
 +
 +<code>dpkg --list --> app_list.txt</code>
 +
 +
 +**Shortcut to shutdown/restart/suspend**\\
 +CTRL+DEL+END
 +
 +
 +**Quick I need an txt editor**\\
 +
 +This key combination fires up, an editor in the terminal, instantaneously:
 +
 +Ctrl+x+e
 +
 +
useful_commands.1569616520.txt.gz · Last modified: 2024/03/12 21:23 (external edit)