How to rebase to Fedora 33 on Silverblue
Silverblue is an operating system for your desktop built on Fedora. It’s excellent for daily use,…
How to Create EC2 Duplicate Instance with Ansible
Many companies like mine use AWS infrastructure as a service (IaaS) heavily. Sometimes we want to…
What’s new in Fedora 33 Workstation
Fedora 33 Workstation is the latest release of our free, leading-edge operating system. You can download…
TCP Analysis with Wireshark
Transmission Control is an essential aspect of network activity and governs the behavior of many services…
Fedora 33 is officially here!
Today, I’m excited to share the results of the hard work of thousands of contributors to…
How to Add a Simple Progress Bar in Shell Script
At times, we need to write shell scripts that are interactive and user executing them need…
Altaro eBook SysAdmin Horror Stories vol2
Altaro eBook SysAdmin Horror Stories vol2 Last year’s eBook, SysAdmin Horror Stories vol1 by Altaro, highlighted…
Contribute at the Fedora Test Week for Kernel 5.9
The kernel team is working on final integration for kernel 5.9. This version was just recently…
Technology Short Take 132
Welcome to Technology Short Take #132! My list of links and articles from around the web…
Secure NTP with NTS
Many computers use the Network Time Protocol (NTP) to synchronize their system clocks over the internet….
Ubuntu 20.10 “Groovy Gorilla” Arrives With Linux 5.8, GNOME 3.38, Raspberry Pi 4 Support
Just two days ago, Ubuntu marked the 16th anniversary of its first ever release, Ubuntu 4.10…
Incremental backup with Butterfly Backup
Introduction This article explains how to make incremental or differential backups, with a catalog available to…
Btrfs on CentOS: Living with Loopback
Introduction The btrfs filesystem has taunted the Linux community for years, offering a stunning array of…
Runecast Analyzer 4.5 with Kubernetes analysis
Runecast Analyzer 4.5 with Kubernetes analysis With Runecast Analyzer 4.5, Runecast extends best practices and security…
Web of Trust, Part 2: Tutorial
The previous article looked at how the Web of Trust works in concept, and how the…
How to Secure Your Website with OpenSSL and SSL Certificates
The Internet has become the number one resources for news, information, events, and all things social….
systemd-resolved: introduction to split DNS
Fedora 33 switches the default DNS resolver to systemd-resolved. In simple terms, this means that systemd-resolved…
Pretty Good Privacy (PGP) and Digital Signatures
If you have sent any plaintext confidential emails to someone (most likely you did), have you…