# Ubuntu Corner
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**Ubuntu X.YY**
**X-**representing the **year**
**YY** representing the **month of eventual release within in that year**
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*The latest LTS version of Ubuntu is* **Ubuntu 24.04 LTS** *“***Noble Numbat***”*
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* LTS = Long Term Support
* **Released once every 2 years**, always in **April**.
* Version format: **YY.04** (e.g., 20.04, 22.04, 24.04)
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Ubuntu's first release, made in **2004 October (10th month)** was **Ubuntu 4.10**
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Software installation
* GNOME-Software
* Synaptic Package Manager
* GDebi Package Installer
* *apt -*Command Line Tool
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#### Install compression Library - Minizip development files
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```
sudo apt-get update -y
```
```
sudo apt-get install -y libminizip-dev
```
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#### Anydesk wayland not supported Issue on Ubuntu 22.04 LTS
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Please go to this file using Terminal
```shell
sudo gedit /etc/gdm3/custom.conf
```
**Uncomment this line(Remove # from the line)**
**WaylandEnable=false**
Reboot your system:bookmark:
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## Ubuntu Login Loop Issue
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**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:**
```bash
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**
```bash
sudo nautilus
```
## **Guest Removal Ubuntu 16.04**
```bash
sudo mkdir /etc/lightdm/lightdm.conf.d
```
```bash
sudo sh -c 'printf "[SeatDefaults]\nallow-guest=false\n" > /etc/lightdm/lightdm.conf.d/50-no-guest.conf'
```
`restart system` :signal\_strength:
## How can I create launchers on my Ubuntu desktop
```bash
cd usr/share/applications/anydesk.desktop ~/Desktop
```
```bash
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 :grin:
> **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 :sunglasses:
| **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
```
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In the output, look for the line starting with **Partition Table**:
For **MBR**, it would show **msdos**.
For **GPT**, it would show **gpt**.
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## BOOT KEY
## BIOS KEY
