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This shows you the differences between two versions of the page.

--- useful_commands [2019/09/27 20:35] – dino
+++ useful_commands [2022/10/18 15:31] – dino
@@ Line 1: / Line 1: @@
+**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**\\
 <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