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Install PeaZip archive on Ubuntu 20.04 / LinuxMint / Debian Linux Distributions - Step by step guide ?

This article covers how to install the PeaZip utility on the Ubuntu 20.04 system as well as on LinuxMint and Debian distribution. In fact, PeaZip is a file archiving and managing utility. It is a free software utility that deals with approximately 180 formats of file archives. It is based on many open source technologies, essentially 7-zip, p7zip, FreeArc, as well as PEA projects.

Now, you can add compressed files and extract them using this tool. 

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Install and Configure Nessus Vulnerability Scanner on CentOS 8

This article covers how to install and configure Nessus vulnerability scanner on the CentOS system. Now you can start running scans on your systems to find any vulnerability that can be exploited by attackers. 


How to start Nessus on CentOS 8 ?

Now run the following commands to start the Nessus service, enable that server at startup and check Nessus service status by running the following command:

$ sudo systemctl start nessusd.service
$ sudo systemctl enable nessusd.service
$ sudo systemctl status nessusd.service

At this time Nessus service running on default port 8834 successfully, Before you start post-installation, you need to open up that port in your firewall. To do so run the following command:

$ firewall-cmd --zone=public --add-port=8834/tcp --permanent
$ firewall-cmd --reload

Now go to your browser and enter your server name or IP along with the default port of Nessus:

https://server_name_or_ip:8834/

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Install KVM on Rocky Linux 8 / AlmaLinux 8 - Step by step guide ?

This article covers the installation of KVM on Rocky Linux / AlmaLinux. In fact, Kernel-Based Virtual Machine (KVM) is an open-source Linux-based hypervisor that is inbuilt within the Linux Linux Operating systems. Is grouped as a type 1 hypervisor as it possesses type 1 characteristics such as direct access to hardware with VM's. It has kvm.ko kernel module which creates a core virtualization infrastructure and supports both Intel and AMD processors.

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Install Lynis security auditing tool on Ubuntu 20.04 - Step by step process ?

This article covers how to install and use the Lynis tool to audit our Ubuntu system. In fact, Lynis is a free & open-source security audit tool. It is installed by system administrators and security professionals to find the system vulnerabilities. It is easy to use & easy to scan the system. We can easily scan application patch management, file system, ports, Software malware, kernel vulnerability & etc.


How To Install lynis on Ubuntu 21.04 ?

Lynis is an auditing tool for hardening GNU/Linux and Unix based systems. It scans the system configuration and creates an overview of system information and security issues usable by professional auditors. It can assist in automated audits.

To Install lynis Using apt, Update apt database with apt using the following command:

$ sudo apt update

After updating apt database, We can install lynis using apt by running the following command:

$ sudo apt -y install lynis

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Install Linux Dash on Ubuntu 20.04 LTS - Step by step guide ?

This article covers the process of installing Linux Dash in Ubuntu 20.04 LTS Focal Fossa system. In fact, Linux Dash is a Performance monitoring  dashboard written in PHP. Very lightweight web base application, and drop-in applets are provided, admin can have a look on Network performance, RAM status, Disk space available, Installed software information or currently running processes.


How to Install Nginx web server ?

To install Nginx, simply run the below command:

$ apt install nginx


How to install PHP 7.2 ?

To do this, simply run the command:

$ apt install php7.2 php7.2-curl php7.2-fpm


How to configure Linux Dash Nginx Server Block ?

To configure Nginx for Linux Dash, you need to create the server block configuration under /etc/nginx/sites-available directory:

$ vim /etc/nginx/sites-available/linux-dash

Add the following contents to the configuration file and make adjustments accordingly:

server {
    server_name     linuxdash.example.com;
    listen          80;
    root            /var/www/html;
    index           index.html index.php;
    access_log      /var/log/nginx/linuxdash_access.log;
    error_log       /var/log/nginx/linuxdash_error.log;
 
    location ~* \.(?:xml|ogg|mp3|mp4|ogv|svg|svgz|eot|otf|woff|ttf|css|js|jpg|jpeg|gif|png|ico)$ {
            try_files $uri =404;
            expires max;
            access_log off;
            add_header Pragma public;
            add_header Cache-Control "public, must-revalidate, proxy-revalidate";
    }
 
    location /linux-dash {
        index index.html index.php;
    }
 
    location ~ \.php(/|$) {
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            fastcgi_split_path_info ^(.+?\.php)(/.*)$;
            fastcgi_pass unix:/run/php/php7.2-fpm.sock;
            if (!-f $document_root$fastcgi_script_name) {
                    return 404;
            }
            try_files $uri $uri/ /index.php?$args;
            include fastcgi_params;
    }
}

Save the configuration file and quit.

Once that is done, you need to enable the Linux Dash site. This can be done by creating symbolic links from this server block configuration to the sites-enabled directory:

$ ln -s /etc/nginx/sites-available/linux-dash /etc/nginx/sites-enabled/

Next, remove the default Nginx site configuration:

$ rm -rf /etc/nginx/{sites-available,sites-enabled}/default

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Install KDE Plasma on Ubuntu 20.04 LTS - Step by step guide ?

This article covers the process of installing the KDE Plasma desktop environment in Ubuntu 20.04 LTS Focal Fossa system. In fact, The name KDE is derived from "K Desktop Environment". KDE Plasma Desktop Environment provides Linux users on various distributions an alternative graphical interface to customize their desktop environment and applications for everyday use enhancement.

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