Linux and Ubuntu overview and commands

Contents

• 1. How to install SSH server in Ubuntu
• 2. How to install sudo
• 3. How to install chromium
• 4. How to install VsCode
• 5. How to install git ftp
• 6. How to install and configure git
• 7. How to install qBitTorrent
• 8. How to install wget
• 9. How to install telegram desktop
• 10. How to install VLC
• 11. How to install Python
• 12. How to install MySql
• 13. How to install MySql Workbench (MySQL Workbench as a Snap package (sandboxed))
• 14. How to install mono
• 15. How can accented characters
• 16. Commands ubuntu
• 17. Commands linux
• 18. Vi commands

1. How to install SSH server in Ubuntu

1. Open the terminal application for Ubuntu desktop.
2. For remote Ubuntu server you must use BMC or KVM or IPMI tool to get console access
3. Type sudo apt-get install openssh-server
4. Enable the ssh service by typing sudo systemctl enable ssh
5. Start the ssh service by typing sudo systemctl start ssh
6. Test it by login into the system using ssh user@server-name

• Add user (linux)
  • sudo adduser <username>

2. How to install sudo

1. apt update
2. apt-get install sudo

3. How to install chromium

1. sudo apt install chromium-browser

4. How to install VsCode

1. sudo apt install apt-transport-https sudo apt update sudo apt install code # or code-insiders

5. How to install git ftp

1. apt-get install git-ftp

6. How to install and configure git

1. sudo apt install git
2. Configure:

git config --global user.name "Jefté Goes"
git config --global user.email "[email protected]"

7. How to install qBitTorrent

1. sudo apt install qbittorrent

8. How to install wget

1. sudo apt-get install wget

9. How to install telegram desktop

1. sudo snap install telegram-desktop

10. How to install VLC

1. sudo snap install vlc

11. How to install Python

1. sudo apt-get install python 3
2. sudo apt-get install python3-pip

12. How to install MySql

1. Installing MySQL 8.0.X
   1. sudo apt update
   2. sudo apt install mysql-server
2. Configuring MySQL
   1. sudo mysql_secure_installation

3.   Creating a Dedicated MySQL User and Granting Privileges
   

   1.   sudo mysql or mysql -u root -p
      

   2. mysql > CREATE USER 'sa'@'localhost' IDENTIFIED BY 'PASSWORD';
   3. mysql > GRANT ALL PRIVILEGES ON . TO 'sa'@'localhost' WITH GRANT OPTION;
   4. mysql > CREATE USER 'sa'@'%' IDENTIFIED BY 'PASSWORD';
   5. mysql > GRANT ALL PRIVILEGES ON . TO 'sa'@'%' WITH GRANT OPTION;
4. Testing MySQL
   1. systemctl status mysql.service

13. How to install MySql Workbench (MySQL Workbench as a Snap package (sandboxed))

1. Go to app store into ubuntu
2. Seach for mysql-workbench
3. Click on permission
4. Enable Read, add, change, or remove save password

14. How to install mono

https://www.edivaldobrito.com.br/como-instalar-o-mono-no-ubuntu-debian-e-derivados/ https://www.mono-project.com/download/stable/#download-lin https://linuxize.com/post/how-to-install-mono-on-ubuntu-18-04/

15. How can accented characters

1. Setting
2. Region and language
3. On the Input Sources Click on "+" button
4. Choose English (United States) then English(US,alt. intl.).

16. Commands ubuntu

• Updates the package lists for upgrades for packages that need upgrading
  • sudo apt-get update
• Get Ubuntu/Debian version
  • lsb_release -a
  • cat /etc/issue
• Install a package
  • apt-get install <package>
  • apt-get -y install <package> # -y assume YES

17. Commands linux

• Get and display current user
  • id
• Get and display ip
  • ip a
• Print current working directory
  • pwd
• Create directory
  • mkdir <directory_name>
• Remove file
  • rm <file_name>
• Remove directory
  • rmdir <directory>
  • rm -rf <directory> # Force
• Rename file
  • mv <old_file_name> <new_file_name> # Example: mv oldfile.txt newfile.txt
• Changes the user and/or group ownership of each given file
  • chown 1000:1000 <file>
  • chown 1000:1000 <path> -R # -R --Recursive
• Who am I?
  • whoami
• List the names of the files in the current directory along with the permissions, date, time and size
  • ll
• Sets the permissions of files or directories
  • chmod +x <filna_name> # Example: chmod +x myfile.txt
• Get Linux distribution
  • cat /etc/os-release
• Get a list of all users
  • less /etc/passwd

18. Vi commands

Command	Purpose
$ vi	Open or edit a file.
i	Switch to Insert mode.
Esc	Switch to Command mode.
:w	Save and continue editing.
:wq or ZZ	Save and quit/exit vi.
:q!	Quit vi and do not save changes.
yy	Yank (copy a line of text).
p	Paste a line of yanked text below the current line.
o	Open a new line under the current line.
O	Open a new line above the current line.
A	Append to the end of the line.
a	Append after the cursor's current position.
I	Insert text at the beginning of the current line.
b	Go to the beginning of the word.
e	Go to the end of the word.
x	Delete a single character.
dd	Delete an entire line.
Xdd	Delete X number of lines.
Xyy	Yank X number of lines.
G	Go to the last line in a file.
XG	Go to line X in a file.
gg	Go to the first line in a file.
:num	Display the current line's line number.
h	Move left one character.
j	Move down one line.
k	Move up one line.
l	Move right one character.