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Install and Play Tetris on Ubuntu Linux System

This article covers different ways to Install Tetris on any Linux distribution.

To Install Tetris on your Ubuntu / Debian System:

1. Get your System updated and Ready for Installing Tetris clone Tint on it:

$ sudo apt update

2. Install the Available Variation of Tetris on your System:

$ sudo apt install tint

3. Launch Tint - Tetris like game - within your System's Terminal:

$ tint

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Install Tor Browser on Linux Mint 20 - Step by Step Process ?

This article covers how to install and configure the latest Tor browser version on LinuxMint 20 system. In fact, now using the tor browser, you can browse privately and securely and visit all websites blocked by your ISP providers.


How to install Tor on Ubuntu 21.04 ?

1. We access the terminal in Ubuntu 21.04 and install Tor with the following command:

$ sudo apt install tor 

2. Install the browser itself with the following command:

$ sudo apt install torbrowser-launcher 


How to Remove Tor browser from Debian / Ubuntu / Linux Mint ?

If you are not happy with the Tor browser (installed via APT), you can remove it using the command below:

$ sudo apt purge torbrowser-launcher

If you installed it using Flatpak via software center, you can easily uninstall it from there. If you installed it from terminal, type in the following command:

$ flatpak uninstall com.github.micahflee.torbrowser-launcher

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Rkhunter for Scanning Backdoors, Rootkits, and Local Exploits in Your Ubuntu Linux System - How to use it ?

This article covers an easy procedure to install rkhunter, configure, scan the system and view log to identify actual backdoor, rootkits, and local exploits. In fact, Rkhunter (Rootkit Hunter) is an open-source Unix/Linux based scanner tool for Linux systems released under GPL that scans backdoors, rootkits, and local exploits on your systems. It scans hidden files, wrong permissions set on binaries, suspicious strings in the kernel, and so on. 

To scan the entire Linux  file system, run the Rkhunter command as a root user:

$ rkhunter --check

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Install PHP 8.0 on Debian / Linux Mint - Step by Step Process ?

This article covers how to install PHP 8.0 on Debian 10. To verify the installed version of PHP, use the php command below:

$ php -v


How to install PHP 7.x extensions ?

The following syntax is used to install PHP 7.x extensions:

$ sudo apt-get install php7.x-extension

or

$ sudo apt-get install php-extension


To install the most commonly used PHP 7.x extensions by running the command in the terminal:

for PHP 7.4,

$ sudo apt-get install php7.4-mysql php7.4-mbstring php7.4-xml php7.4-bcmath php7.4-curl php7.4-gd php7.4-zip

for PHP 7.3,

$ sudo apt-get install php7.3-mysql php7.3-mbstring php7.3-xml php7.3-bcmath php7.3-curl php7.3-gd php7.3-zip

for PHP 7.2,

$ sudo apt-get install php7.2-mysql php7.2-mbstring php7.2-xml php7.2-bcmath php7.2-curl php7.2-gd php7.2-zip

for PHP 7.1,

$ sudo apt-get install php7.1-mysql php7.1-mbstring php7.1-xml php7.1-bcmath php7.1-curl php7.1-gd php7.1-zip

for PHP 7.0,

$ sudo apt-get install php7.0-mysql php7.0-mbstring php7.0-xml php7.0-bcmath php7.0-curl php7.0-gd php7.0-zip

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Linux IP Command with Examples - An overview ?

This article covers the practical use cases of the Linux IP command. IP stands for Internet Protocol. IP command is used to show or manipulate routing, devices, and tunnels. It is similar to ifconfig command but it is much more powerful with more functions and facilities attached to it. It can perform several other tasks like configuring and modifying the default and static routing, setting up tunnel over IP, listing IP addresses and property information, modifying the status of the interface, assigning, deleting and setting up IP addresses and routes.


Linux system commands:

  • arp — Manipulate the system ARP cache.
  • ifconfig — View or modify the configuration of network interfaces.
  • netstat — Print information about network connections, routing tables, interface statistics, masquerade connections, and multicast memberships.
  • route — Display and manipulate the IP routing table.
  • tcpdump — Capture raw network traffic.

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How to use "sed" Command to Delete a Single Line and Multiple Lines in Linux Mint 20 ?

This article covers the different ways you can use the "sed" command in Linux Mint 20. Sed command or Stream Editor is very powerful utility offered by Linux/Unix systems. It is mainly used for text substitution , find & replace but it can also perform other text manipulations like insertion, deletion, search etc. 

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