Install PlayOnLinux on Ubuntu 20.04 LTS - Step by Step Process ?

This article covers how you can install PlayOnLinux on Ubuntu OS using two different ways.

You can opt for any installation method (command line or GUI-based method) that is most convenient for you.

PlayOnLinux will allow you to install your Windows-based software on different virtual drives, which means that there is no interaction between the different applications you install. 

So if something doesn't work right, you know it won't affect the rest of your stuff and they can easily uninstall it by removing the virtual drive.

To install PlayOnLinux on Ubuntu:

PlayOnLinux can be found in the Ubuntu software repositories, so you can get it from Ubuntu Software Center or install it with the following command:

$ sudo apt update
$ sudo apt install playonlinux

It is also recommended to install some dependencies that may be necessary:

# sudo apt-get install winbind
# sudo apt-get install unrar-free p7zip-full

Install Android File Transfer for Linux on Ubuntu 20.04 LTS - Step by Step Process ?

This article covers how to install Android File Transfer for Linux on your Ubuntu distribution.

Now you can conveniently transfer files between your android phones and Linux system.
Android File Transfer is an MTP client tool that is used to transfer files from android devices to Linux OS and from Linux OS to Android devices.
It is similar to Android File Transfer that is available for Mac OS and has a very minimalistic and easy to use interface.

To Android file transfer for Linux:
1. Connect your Android device with your computer using a USB cable.

When prompted on Android device for allowing access to the device data, tap on Allow to allow access.
2. Launch Terminal by pressing Ctrl+Alt+T key shortcut.
Then you will need to update our system by adding the PPA to your list of software sources. For this, run the following command in Terminal:

$ sudo add-apt-repository "deb http://ppa.launchpad.net/samoilov-lex/aftl-stable/ubuntu artful main"

3. Once completed, run the following command in Terminal to update the repository.

$ sudo apt-get update

4. After your local repository is updated, run the following command in Terminal to install Android file transfer:

$ sudo apt install android-file-transfer

Check Disk Usage Using Duf Command-line Utility on Linux

This article covers how To View Disk Usage With Duf On Linux And Unix.

Duf is a command line utility to find disk usage in Linux and Unix-like systems.
It displays the disk usage details in a nice tabular-column and user-friendly layout.
You can even get the disk usage output in JSON format as well.

Features of duf Utility:
1. Easy to use
2. Colorful display
3. Adjust height and width as per your terminal resize movement
4. Sorting data as per our need
5. Filters and groups
6. JSON outputs and more

On DEB-based systems such as Debian, Ubuntu, Linux Mint, download the .deb binary installation file from the releases page and install it using your system's package manager.

$ sudo apt install gdebi
$ sudo gdebi duf_0.3.1_linux_amd64.deb

On RPM-based systems such as RHEL, CentOS, Fedora, download the .rpm binary file and install it using command:

$ sudo rpm -Uvh 

To View Disk Usage With Duf On Linux And Unix:
All you have to do is just run the duf command without any options like below:

$ duf

Install Atom editor on CentOS 8 - Step by Step Process ?

This article covers how to install atom editor on CentOS 8 using the command-line application.

Atom is a free and open-source text and source code editor for OS X, Linux, and Windows with support for plug-ins written in Node.js, and embedded Git Control, developed by GitHub

To install latest version of Atom using .rpm package on your CentOS 8 machine:
1. First, go to the Atom official website and download the Atom .rpm package:

# sudo curl -SLo atom.x86_64.rpm  https://atom.io/download/rpm

2. You can now install Atom using dnf command:

# sudo dnf localinstall atom.x86_64.rpm

3. Now that Atom is installed on your CentOS system you can launch it from the command line by typing atom or by clicking on the Atom icon (Applications -> Programming -> Atom).

Install Flameshot on CentOS 8 - Step by Step Process ?

This article covers how to install the flameshot application on CentOS 8.

You will also learn how you can remove it from your CentOS 8 if you don’t need more on your system.

Main features of flameshot includes:
1. Supports graphical and CLI mode.
2. Edit images instantly.
3. Image uploads to Imgur.
4. Export and import configuration.
5. Easy to use and customizable.

To Install Flameshot in Linux:
Flameshot can be installed using package managers. Before installing through this method make sure you verify the version that ships with your OS:

$ sudo dnf install flameshot  # Rhel, Centos, Fedora
$ sudo apt install flameshot  # Debian, Ubuntu-based distro 

# Ubuntu based distribution

$ wget https://github.com/flameshot-org/flameshot/releases/download/v0.9.0/flameshot-0.9.0-1.ubuntu-20.04.amd64.deb
$ dpkg -i flameshot-0.9.0-1.ubuntu-20.04.amd64.deb

# Rhel based distribution

$ wget https://github.com/flameshot-org/flameshot/releases/download/v0.9.0/flameshot-0.9.0-1.fc32.x86_64.rpm
$ rpm -i flameshot-0.9.0-1.fc32.x86_64.rpm

Install Jenkins on Ubuntu 20.04 - Step by Step Process ?

This article covers how you can install Jenkins on Ubuntu OS. For further information about Jenkins, visit its official documentation.

Jenkins is an open-source automation server that can be used to easily set up continuous integration and continuous delivery (CI/CD) pipelines.

Continuous integration (CI) is a DevOps practice in which team members regularly commit their code changes to the version control repository, after which automated builds and tests are run. 

Continuous delivery (CD) is a series of practices where code changes are automatically built, tested, and deployed to production.

To install Jenkins on Ubuntu 20.04 as a standalone service:

1. Run the following commands as root or user with sudo privileges or root to install OpenJDK 11:

$ sudo apt update
$ sudo apt install openjdk-11-jdk

2. Once the installation is complete, verify it by checking the Java version:

# java -version

3. Import the GPG keys of the Jenkins repository using the following wget command:

# wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add -

4. Next, add the Jenkins repository to the system with:

# sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'

5. Once the Jenkins repository is enabled, update the apt package list and install the latest version of Jenkins by typing:

# sudo apt update
# sudo apt install jenkins

6. Jenkins service will automatically start after the installation process is complete. You can verify it by printing the service status:

# systemctl status jenkins

Install and Use Docker Compose on CentOS 8 - Step by Step Process ?

This article covers how to install and use the Docker-compose on CentOS 8 system. By using the Docker-compose, you can deploy multiple Docker applications with container services through a single command. 

Basically, Docker Compose is a tool that can be used to define and run multiple containers as a single service. With Docker Compose, you can link multiple containers and deploy an application from a single command. 

It is mainly used in the development, testing and staging environment. 

Docker Compose uses a YAML file to define a complex stack in a file and running it with a single command.

To install Docker on CentOS:

1. Before starting, make sure you have Docker installed on your server. If not installed, you will need to add Docker-CE repository to your system. 

You can add it with the following command:

$ dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo

2. Once the repository is added, install the latest version of docker using the following command:

# dnf install docker-ce --nobest -y
# systemctl start docker
# systemctl enable docker

3. You can verify the docker version with the following command:

$ docker --version