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Install Code::Blocks on Ubuntu 20.04 - Step by Step Process ?

This article covers how to conveniently install the Code::Blocks IDE on your Ubuntu 20.04 system.

After installing this IDE on your system, you can easily use it for C, C++, and FORTRAN development.

You can even uninstall it anytime you want and that too very cleanly by following the uninstallation method of the Code::Blocks IDE.

To Install Code::Blocks IDE using APT:
Code::Blocks IDE is available on Ubuntu repositories and can be installed with the APT command.
1. First update your system.

$ sudo apt update

2. To install codeblock on Ubuntu , run the following command.

$ sudo apt install codeblocks

3. When prompted to continue, just type 'Y' and press ENTER to proceed.

To Remove Code::Blocks IDE from Linux system:
1. To remove codeblocks from ubuntu, run the following command.

$ sudo apt remove codeblocks

2. To complete remove codeblock and its associated configurations, run the following two commands.

$ sudo apt purge codeblocks
$ sudo apt autoremove

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Verify if a Server Supports TLS or not on Ubuntu 20.04 - Step by Step Process ?

This article covers different methods to enable you find out if your specified web server is supporting TLS or not.
By so doing, you will be able to ensure whether your information is going to stay secure while using that web server or not.
TLS is an acronym for Transport Layer Security. TLS facilitates secure communication between computers on the Internet.
In this guide, we used both openssl and nmap.

To Verify TLS Support with Openssl:
Openssl is an open source tool for implementing secure communications on the Internet. The openssl tool is available on all major Linux distributions.
If the openssl tool is not already installed on your Linux machine, you may install it as follows.
On Ubuntu/Debian based distributions:

$ sudo apt install openssl

On CentOS/Red Hat based distributions:

$ sudo yum install openssl

Now, to verify TLSv1.3 support on your server or website, run the following command.

$ sudo openssl s_client -connect domain.com:443 -tls1_3

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Install Apache Solr on Ubuntu 20.04 - Step by Step Process ?

This article covers method to install Apache Solr on a Ubuntu 20.04 system. Once this search platform is installed on your Ubuntu 20.04 system, it will facilitate you with its exceptional search features.

To Access Apache Solr on Ubuntu:
You can access the Apache Solr web interface using the URL http://your-server-ip:8983/solr.
You should see the Apache Solr web interface.

To install Apache Solr 8.6 on Ubuntu 20.04:
1. You can update your system with the following command:

$ apt-get update -y
$ apt-get upgrade -y

2. Java must be installed in your system. If not installed you can install it by running the following command:

$ apt-get install default-jdk -y

3. After installing Java, you can verify the Java installation using the following command:

$ java -version

4. To get the latest version of Apache Solr is 8.6.0, You can download it with the following command:

$ wget https://archive.apache.org/dist/lucene/solr/8.6.0/solr-8.6.0.tgz

Once downloaded, extract the downloaded file with the following command:

$ tar xzf solr-8.6.0.tgz

5. Next, install the Apache Solr by executing the Solr installation script:

$ bash solr-8.6.0/bin/install_solr_service.sh solr-8.6.0.tgz

6. Apache Solr is installed and listening on port 8983.

You can verify it with the following command:

$ netstat -tunelp | grep 8983

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Install Neofetch on Ubuntu 20.04 - Step by Step Process ?

This article covers the installation method of the Neofetch shell script on a Ubuntu 20.04 system. After installing this script on your system, you can easily execute it to display your system's information on the terminal.
However, you can uninstall this script any time you want if you do not feel like using it anymore on your Ubuntu 20.04 system.
Neofetch is a command line system information tool which supports almost all operating systems.

It displays the system information in the terminal along side the operating system's logo.

To Install Neofetch in Ubuntu / Linux:
Execute the commands:

# sudo apt-get update
# sudo apt-get install neofetch

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Install phpMyAdmin with Apache on Ubuntu 20.04 - Step by Step Process ?

This article covers how you can  seamlessly install phpMyAdmin on your Ubuntu Linux system.

Working with a database can sometimes be intimidating, but PhpMyAdmin can simplify tasks by providing a control panel to view or edit your MySQL or MariaDB database.

To Install phpMyAdmin on Ubuntu:
1. Update the apt package tool to ensure we are working with the latest and greatest.

$ apt update && upgrade

2. Install PhpMyAdmin and PHP extensions for managing non-ASCII string and necessary tools.

$ apt install phpmyadmin php-mbstring php-gettext

During this installation you’ll be asked for the web server selection, we will select Apache2 and select ENTER.
Here, you have the option for automatic setup or to create the database manually.
For us, we will do the automatic installation by pressing ENTER for yes.
3. At this setup, you'll be asked to set the PhpMyAdmin password.
Specifically for the PhpMyAdmin user, phpmyadmin,  you'll want to save this in a secure spot for later retrieval.
4. Enable PHP extension.

phpenmod mbstring

5. Restart the Apache service to recognize the changes made to the system.

# systemctl restart apache2

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Install Flameshot in Ubuntu 20.04 - Step by Step Process ?

This article covers the method of installing Flameshot on a Ubuntu 20.04 system.

Also, we also shared with you the method of removing this screenshot tool from your Ubuntu 20.04 system. Flameshot is a powerful yet simple to use screenshot software for Linux.

Main Features of Flameshot:
1. Customizable appearance.
2. Easy to use.
3. In-app screenshot edition.
4. DBus interface.
5. Upload to Imgur.

To Install Flameshot on Ubuntu:
Flameshot is installed on Ubuntu from apt repository by running the following command:

# sudo apt install flameshot

You can also build from source, but you need to install build tools prior to packaging flameshot.

# sudo apt install g++ build-essential qt5-default qt5-qmake qttools5-dev-tools
sudo apt install libqt5dbus5 libqt5network5 libqt5core5a libqt5widgets5 libqt5gui5 libqt5svg5-dev
sudo apt install git openssl ca-certificates
git clone https://github.com/lupoDharkael/flameshot.git
cd flameshot
mkdir build
cd build
qmake ../
sudo make
sudo make install

The preferred method is installation from the apt repository as it is easy to update package to the latest release.

To Install Flameshot on Arch Linux / Manjaro:
For Arch Linux and its derivatives like Manjaro, Antergos e.t.c. The package is available from the upstream repository.

# sudo pacman -S flameshot


To remove Flameshot from Ubuntu 20.04:
1. When you no longer want to use this screenshot tool on your Ubuntu 20.04 system, you can remove it by executing the command shown below:

$ sudo apt-get purge flameshot

2. Finally, you can also remove all those packages and dependencies that are not needed any longer by executing the following command:

$ sudo apt-get autoremove

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