show established connections in linux ubuntu

block ip address ranges on ubuntu linux with UFW

  sudo ufw deny from 203.0.113.0/24

How To Install SQLite on Ubuntu 20.04

  Bash sudo apt install sqlite3 and to get it working with php, pick your version of php and change the following Bash sudo apt-get install php7.4-sqlite3

Install PHP without Apache on Ubuntu

I was actually about to do some coding and then i got distracted with this annoying error on vscode. I keep getting this error on vscode: I had been ignoring it, but i thought fine, ill fix it and..

add user to sudo group in ubuntu

Adds the user "username" to the sudo group usermod -aG sudo username

play youtube videos on firefox in ubuntu 18

sudo apt install libavcodec-extra also checked that firefox was able to pla drm video

install atom editor on ubuntu

You can download atom from https://atom.io/ and run the .deb package or if you want to use apt you will need to add it as a repository. https://flight-manual.atom.io/getting-started/sections/installi..

Enabling SSH on Ubuntu

To enable SSH connection via putty or another terminal app on ubuntu, do the following. Open a terminal with Ctrl+Alt+T sudo apt update sudo apt install openssh-server Check if its runningsudo syst..

To make Ubuntu do nothing when laptop lid is closed

sudo nano /etc/systemd/logind.confchange this to ignore: `HandleLidSwitch=ignore`save the filerestart the login daemon sudo service systemd-logind restart