Open the /etc/makepkg.conf file on your favorite text editor with superuser privileges and search for OPTIONS . It may look like the following line. OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge debug lto) Now, append a NOT, I...
Open the /boot/loader/loader.conf file on your favorite text editor with superuser privileges and edit the following value. Uncomment it if needed and set the value to max . console-mode max Just reboot your lovely system and enjoy!...
Open the /boot/loader/loader.conf file on your favorite text editor with superuser privileges and edit the following value. timeout 2 Here, I changed it from 3 to 2. Just reboot your lovely system and enjoy!...
Press Ctrl + Shift + P and search for Preferences: Open User Settings (JSON) . You may also find the file at the path /home/$USER/.config/Code/User/settings.json on Linux. Add or edit the following value to "on" . { ....... ..........
a) Making List of Packages Create a plain text file containing the desired packages, separated by a new line. arch-wiki-docs dbeaver dovecot icecast opendkim php php-fpm php-gd php-pgsql postfix postfix-mysql postfix-pcre postfix-pgsql...
Install the packages and enjoy! sudo dnf install gstreamer1-plugins-{bad-\*,good-\*,base} gstreamer1-plugin-openh264 gstreamer1-plugin-libav --exclude=gstreamer1-plugins-bad-free-devel sudo dnf install lame\* --exclude=lame-devel sudo dnf...
It is possible to change the admin URI of your lovely Bludit installation. Open the installation's bl-kernel/boot/variables.php file on your favorite text editor with appropriate privileges and edit the following value. define('ADMIN_URI_FILTER',...
a) Decrypting Partition In this example, the /dev/sda device has the partition /dev/sda1 which is LUKS2-encrypted. Now, decrypt it. You will be prompted to enter the passphrase. sudo cruptsetup luksOpen /dev/sda1 Target_Name The target can be...
Locale names are typically of the form language[_territory][.codeset][@modifier] , where language is an ISO 639 language code , territory is an ISO 3166 country code , and codeset is a character set or encoding identifier. a) Listing the Enabled...
The official documentation says: The flutter tool uses Google Analytics to report feature usage statistics and send crash reports. This data is used to help improve Flutter tools over time. Flutter tool analytics are not sent on the very...
In order to add a directory to a Jellyfin library, it needs to access the directory and all its parent directories. So, if you add ~/Media to a library, Jellyfin fails to access it. Permitting Access To fix it, grant Jellyfin execution...
If you install LibreWolf from AUR via yay -S librewolf-bin , you may find that some extensions are not able to communicate with native applications. The fix that worked for me: sudo ln -s /usr/lib/mozilla/native-messaging-hosts...
If you install the Tor Browser's launcher via sudo dnf install torbrowser-launcher and then installed the browser via the launcher on a freshly installed Fedora 39 KDE Plasma Spin system, you may encounter this problem. In this scenario, the browser...
Containerization has revolutionized the way applications are developed, deployed, and managed. Containers provide a lightweight and portable solution, allowing developers to package applications and their dependencies into a single unit. However, man...
Containerization has become a cornerstone in modern software development, providing agility, scalability, and consistency in deploying applications across various environments. Among the plethora of containerization solutions available, LXC (Linux Co...
a) Configuring Set the value “[]” on app-picker-layout of org.gnome.shell in the dconf configuration database. gsettings set org.gnome.shell app-picker-layout “[]” You can also do it in the graphical way instead of the command line by using a GUI app...
HEIF stands for the standard: High Efficiency Image Format; while HEIC is Apple's chosen file name extension. On Fedora 39 KDE Plasma spin, its Dolphin file manager and Gwenview image viewer don't support HEIF/HEIC image files. You can solve the prob...
In the world of high-performance, distributed systems, caching plays a crucial role in improving application speed and scalability. memcached and Redis are two popular in-memory caching systems that are widely used to store and retrieve data quickly....
Memory object caching involves storing frequently accessed data in a high-speed data storage layer to reduce the time and resources required for repeated retrieval from the original source. How It Works Memory object caching operates on the principle...
a) Installing Install the required packages first. sudo dnf install memcached libmemcached b) Enabling Autostart To tell systemd to start memcached service automatically at boot, enable it. sudo systemctl enable memcached.service c) Starting Start th...
a) Installing Google Noto Fonts You have to install the required packages of Google Noto fonts. sudo apt install fonts-noto-core fonts-noto-ui-core b) Removing Conflicting Fonts Remove the conflicting FreeSans and FreeSerif family fonts. sudo rm -f /...
Bootloaders are softwares that initiate the operating system’s startup process when a computer is turned on. They are responsible for locating, loading, and launching the OS into the RAM. Bootloaders typically reside in a specific area of the storage...
The Linux kernel exists in various forms tailored to different needs. These variations include the Stable, LTS, Hardened, and Zen kernels, each offering distinct features and functionalities. Stable Kernel The stable Linux kernel represents the most...
In the realm of virtualization, different techniques and approaches exist to simulate multiple virtual environments on a single physical machine. Two prominent methods employed in this landscape are Hardware Virtual Machine (HVM) and Paravirtualizati...
a) Configuring GRUB Open the /etc/default/grub file on your favorite text editor with superuser privileges and edit following value. GRUB_TIMEOUT=5 It specifies the time in seconds to wait for keyboard input before booting the default menu entry. Als...
In today’s age, the choice between open source and closed source software has become a significant decision for businesses and professionals. Open source software, which is developed collaboratively by a global community of developers, offers numerou...
SFTP (SSH File Transfer Protocol) and FTPS (FTP Secure) are two common methods for secure file transfer, but they differ significantly: SFTP, an extension of SSH, uses a single encrypted connection, making it highly secure and resistant to intercepti...
Virtualization technologies play a crucial role in modern data centers and cloud computing environments. Two prominent open-source virtualization solutions, Xen and KVM (Kernel-based Virtual Machine), offer powerful options for creating and managing...
Radio waves have been an integral part of our lives for over a century, delivering news, music, and entertainment to millions of listeners worldwide. Two of the most widely used modulation technologies for broadcasting are Amplitude Modulation (AM) a...
a) Installing FFmpegthumbnailer Install the package ffmpegthumbnailer. sudo dnf install ffmpegthumbnailer b) Cleaning Cached Thumbnail Files Clean the cached thumbnail files from your home directory. rm -rf ~/.cache/thumbnails
Kerberos, an authentication protocol developed at MIT, has become the de facto standard for secure network authentication. Several variants of Kerberos have emerged over time, each offering unique features and addressing specific requirements. In thi...
What is CI/CD? CI/CD, an abbreviation for Continuous Integration and Continuous Delivery, is a set of practices that enable software development teams to automate and streamline the process of building, testing, and deploying software. Continuous Int...
Containerization has revolutionized the way software applications are developed, deployed, and managed. Docker has been the go-to containerization tool for many years, but recently, a new player has emerged in the field – Podman. In this article, we...
What is Kubernetes? Kubernetes, often abbreviated as K8s, is an open-source container orchestration system that automates the deployment, scaling, and management of containerized applications. Developed by Google, it was designed to simplify the mana...
a) Edit Configuration File Open the /var/lib/pgsql/data/postgresql.conf file in your favorite text editor with superuser privileges. Find and uncomment the following line. # Port = 5432 Change the value to your desired port number. Suppose it will be...
If you’re working with PCI (Peripheral Component Interconnect) devices in Fedora, you may occasionally run into situations where a device fails or becomes unresponsive. In these cases, the sysfs filesystem provides a powerful set of tools for managin...
Red Hat Enterprise Linux (RHEL) is a popular Linux distribution used by many engineers and enterprises worldwide. It provides a stable and reliable platform for enterprise environments, with long-term support (LTS) cycles that can last up to 10 years...
The Berkeley Software Distribution (BSD) is a family of operating systems that has its roots in the original UNIX operating system developed by AT&T Bell Labs in the early 1970s. BSD began as a research project at the University of California, Berkel...
The history of macOS and its evolution from UNIX can be traced back to the early days of computing. UNIX itself was developed in the late 1960s at Bell Labs by a team of programmers led by Ken Thompson and Dennis Ritchie. The operating system was des...
A file system is an integral part of any operating system, and its primary role is to manage and organize files and directories on a storage device. There are several file systems available in the market, such as NTFS, FAT32, exFAT, HFS+, ext4, ZFS,...
When it comes to securing computer systems, there are many tools available to administrators. Two of the most popular are AppArmor and SELinux. Both tools are designed to provide an extra layer of security to the system by enforcing Mandatory Access...
WordPress is one of the most popular Content Management Systems (CMS) in the world, powering over 40% of all websites on the internet. Its widespread use makes it a prime target for attackers, who are constantly looking for vulnerabilities to exploit...
Wrist actigraphy has become a popular non-invasive and cost-effective method for monitoring sleep and physical activity patterns. With the increasing use of smartwatches, wrist actigraphy has gained even more popularity. Several algorithms have been...
HTTP/3 is the latest version of the HTTP protocol, designed to improve web performance and enhance security. It is based on the QUIC transport protocol, which was developed by Google. QUIC (Quick UDP Internet Connections) is a transport protocol that...
Random Access Memory, or RAM for short, is one of the most important components of modern computer systems. It plays a critical role in enabling the fast and efficient processing of data, by providing a temporary storage location for information that...
Supercomputers, which are among the most powerful and sophisticated computing machines ever created, have evolved significantly over the years, with the development of new technologies such as parallel processing, vector processing, and the use of ac...
The history of UNIX dates back to the 1960s when AT&T’s Bell Labs began work on a time-sharing operating system for mainframe computers called Multics. The project became too complex, and AT&T eventually withdrew from it in 1969. A few developers at...
UNIX is an operating system that has been around for decades, and it was once the dominant operating system in the computing world. However, over the years, UNIX has declined in popularity, and other operating systems like Linux distributions, macOS,...
Virtual Private Network (VPN) protocols are the set of rules and procedures that govern the communication between devices in a VPN network. These protocols define how data is transmitted over the network, how it is secured, and how it is authenticate...
Cyber attacks have become increasingly common in the modern world, and they can have serious consequences for individuals, businesses, and even governments. In this post, we’ll take a look at some of the biggest cyber attacks in history, including ho...
Linux is one of the most widely used and influential kernels in the world, and is used as the foundation for many different operating systems. It is known for its reliability, security, and flexibility. But have you ever wondered about the history of...
1) Setting Up The Apache HTTP Server a) Installing Install the Apache HTTP Server module. sudo dnf module install httpd b) Enabling Autostart To tell systemd to start httpd service automatically at boot, enable it. sudo systemctl enable httpd.service...
a) Installing Rootkit Hunter Install Rootkit Hunter which is available as rkhunter package. sudo dnf install rkhunter b) Updating Database Before using, you need to update the database of Rootkit Hunter. sudo rkhunter –update With the database files...
a) Installing The Certbot The Certbot is available on EPEL (Extra Packages for Enterprise Linux) repository. So, install the repository first. sudo dnf install epel-release Then install the Certbot. sudo dnf install certbot b) Creating Certificate Us...
The mentioned error appears when attempting to open LUKS2 (Linux Unified Key Setup) encrypted devices using PCManFM-Qt file manager in Lubuntu 18.04 LTS (Bionic Beaver). But it’s easy to solve, don’t worry. a) Installing Actually you need a package n...
Previous: How To Setup Cockpit On Fedora Server In this post, you learned that you can install all plugins of Cockpit by wildcard. sudo dnf install cockpit-* This attempt installs the cockpit-ostree package on your Fedora Server, which does not use r...
WebDAV (Web Distributed Authoring and Versioning) is a part of Apache HTTP Server software. a) Installing The Apache HTTP Server Install the Apache HTTP Server. sudo dnf module install httpd b) Enabling Autostart To tell systemd to start httpd servic...
a) Installing The MariaBD Server Install the MariaDB Server. sudo dnf module install mariadb b) Enabling Autostart To tell systemd to start mariadb service automatically at boot, enable it. sudo systemctl enable mariadb.service c) Starting Start the...
a) Adding Repository At first, you may need to add the official repository of the Lynis. So, create the /etc/yum.repos.d/cisofy-lynis.repo file on your favorite text editor with superuser privileges and populate it with the information below. [lynis]...
a) Installing Tools & Dependencies Install the Development Tools group. sudo dnf groupinstall “Development Tools” Then install the following dependencies: curl-devel libtheora-devel libvorbis-devel libxslt-devel speex-devel libshout sudo dnf install...
a) Installing The dnf-automatic Install the dnf-automatic. sudo dnf install dnf-automatic b) Configuring Edit the /etc/dnf/automatic.conf file on your favorite text editor with superuser privileges. Here, we want the dnf-automatic to install all avai...
The Cockpit is a robust and feature-rich web-based Graphical User Interface (GUI) software that is purpose-built for managing and monitoring servers. Developed as an open-source software, it offers system administrators a user-friendly way to perform...
Let’s assume, we want to make the example.com server sit in front of the localhost:8080 server. a) Creating Virtual Host Open the /etc/httpd/conf.d/sites.conf file on your favorite text editor with superuser privileges and add the lines below. Serve...
Go to your OpenLiteSpeed Web Server‘s WebAdmin Console and log in. a) Disabling Default Server Signature Navigate to Server Configuration > General Settings and then click on its related Edit icon. Set the Server Signature option to Hide Full Header...
Here, we will be configuring the Bash timeout for one user only. a) Configuring Bash Open your ~/.bashrc file on your favorite text editor with appropriate privileges and add or edit the following line. Here, we want to log us out after 2 minutes or...
By default, the OpenLiteSpeed Web Server does not know the MIME type (application/json) of the “.webmanifest” manifest files of Progressive Web Applications (PWA), so the mentioned files are served with the “application/octet-stream” MIME type that a...
a) Configuring Hotspot Navigate to Application Menu > Preferences > Advanced Network Configuration or right click on desktop panel\’s network icon and go to Edit Connections. Click on Add a new connection icon (+) and the next dialog box will ask you...
Previous: How To Enable Remote Access To MariaDB Database Server On Red Hat Enterprise Linux 8 Suppose, we want to grant remote login privilege to the root user from any IP address or hostname. The root user’s password is asDFgh12345. Granting remote...
Previous: How To Setup MariaDB Database Server On Red Hat Enterprise Linux 8 a) Configuring Edit the /etc/my.cnf.d/mariadb-server.cnf file on your favorite text editor with superuser privileges. Suppose, you want the MariaDB server to listen on addre...
a) Configuring Edit the /etc/httpd/conf/httpd.conf file on your favorite text editor with superuser privileges. Firstly, inform the server to load its mod_deflate module by adding this line. LoadModule deflate_module modules/mod_deflate.so Secondly,...
Open the /etc/dnf/dnf.conf file on your favorite text editor with superuser privileges. Add or edit the following boolean parameter under [main] section. fastestmirror=1 You don’t have to reload or restart any service by yourself. Just update the dat...
a) Configuring The OpenSSH Server Open the /etc/ssh/sshd_config file on your favorite text editor with superuser privileges. Find the AllowTcpForwarding parameter and change its value to no. AllowTcpForwarding no b) Restarting The OpenSSH Server Afte...
a) Configuring The OpenSSH Server You can specify any port from 1024 to 65535. Here, we will use 26170 as the port for SSH instead of the default port 22. Edit the /etc/ssh/sshd_config file on your favorite text editor with superuser privileges and a...
By default, the commands we execute are first temporarily stored into an internal memory and are written to our ~/.bash_history file only after we properly exit the shell session. Depending on our shell usage, this may cause some undesired results. F...
