Ubuntu Corner

Ubuntu X.YY

X-representing the year

YY representing the month of eventual release within in that year

The latest LTS version of Ubuntu is Ubuntu 24.04 LTS “Noble Numbat”

• LTS = Long Term Support

• Released once every 2 years, always in April.

• Version format: YY.04 (e.g., 20.04, 22.04, 24.04)

Ubuntu's first release, made in 2004 October (10th month) was Ubuntu 4.10

Software installation

• GNOME-Software

• Synaptic Package Manager

• GDebi Package Installer

• apt -Command Line Tool

Install compression Library - Minizip development files

sudo apt-get update -y

sudo apt-get install -y libminizip-dev

Anydesk wayland not supported Issue on Ubuntu 22.04 LTS

Please go to this file using Terminal

sudo gedit /etc/gdm3/custom.conf

Uncomment this line(Remove # from the line)

WaylandEnable=false

Reboot your system🔖

Ubuntu Login Loop Issue

Issue: When you try to log in to Ubuntu after starting up, you get taken right back around to the same login screen, and the process repeats indefinitely.

Solution:

Step 1: Press Ctrl + Alt+F3/F4

Step 2: Enter Username and Password

Step 3:

sudo nano /etc/gdm3/custom.conf

Step 4:

Uncomment this line(Remove # from the line)

AutomaticLoginEnable= true

AutomaticLogin=user1(Computername)

Step 5: Ctrl+S to save ,Ctrl+X to exit the file

Step 6: reboot

The command to use as a super user on Ubuntu system

sudo nautilus

Guest Removal Ubuntu 16.04

 sudo mkdir /etc/lightdm/lightdm.conf.d

 sudo sh -c 'printf "[SeatDefaults]\nallow-guest=false\n" > /etc/lightdm/lightdm.conf.d/50-no-guest.conf'

restart system 📶

How can I create launchers on my Ubuntu desktop

cd usr/share/applications/anydesk.desktop ~/Desktop

chmod +x ~/Desktop/anydesk.desktop

Important apt Commands

apt Command	Function of the command
apt install	Installs a package
apt remove	Removes a package
apt purge	Removes package with configuration
apt update	Refreshes repository index
apt upgrade	Upgrade all upgradable packages
apt autoremove	Removes unwanted packages
apt search	Searches for the program

USEFUL LINUX COMMANDS 😁

system information

command	Description
date	show the current date and time
uname -a	show kernel information
cat /proc/cpuinfo	cpu information
cat /proc/meminfo	memory information
man command	show the manual for command

UBUNTU SHORTCUTS 😎

Shortcut	Usage
Ctrl+C	halts the current command
Ctrl+Z	stops the current command
Ctrl+D	log out of current session, similar to exit
Ctrl+W	erases one word in the current line
Ctrl+U	erases the whole line
Ctrl+R	type to bring up a recent command
!!	repeats the last command
exit	log out of current session

How to Know if Your System Uses MBR or GPT Partitioning on Linux

sudo parted -l

In the output, look for the line starting with Partition Table:

For MBR, it would show msdos.

For GPT, it would show gpt.

BOOT KEY

BIOS KEY