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ostechnix.bsky.social
Learn how to list enabled APT repositories on Debian 13. Covers deb822 .sources files, sources.list.d, apt policy, and fixing packages with no repository.

Full guide here: ostechnix.com/list-enabled...

#Debian #Trixie #SoftwareRepository #Linuxcommands #Linuxhowto #Linuxbasics #Linux
How to List Enabled APT Repositories in Debian 13 Trixie - OSTechNix
Learn how to list enabled APT repositories on Debian 13. Covers deb822 .sources files, sources.list.d, apt policy, and fixing packages with no repository.
ostechnix.com
October 26, 2026 at 1:24 PM
ostechnix.bsky.social
Learn how to verify the integrity and authenticity of an Ubuntu ISO using GPG signatures and SHA256 checksums.

Step-by-Step Guide here: ostechnix.com/verify-ubunt...

#Ubuntu #ISO #GPG #SHA256 #Checksums #Linux #Linuxhowto #Linuxbasics #Linuxcommands
How to Verify an Ubuntu ISO Integrity and Authenticity - OSTechNix
Learn how to verify the integrity and authenticity of an Ubuntu ISO using GPG signatures and SHA256 checksums.
ostechnix.com
October 9, 2026 at 9:03 AM
ostechnix.bsky.social
Learn how to install all essential packages at once on Debian, Ubuntu and their derivatives using Bash script and Ansible.

Full guide here: ostechnix.com/install-esse...

#Debian #Ubuntu #Bash #Script #Ansible #PackageManagement #Linux #Linuxcommands #Linuxhowto #Linuxadmin
Install All Essential Packages at Once on Debian and Ubuntu - OSTechNix
Learn how to install all essential packages at once on Debian, Ubuntu and their derivatives using Bash script and Ansible.
ostechnix.com
October 5, 2026 at 2:57 PM
ostechnix.bsky.social
Learn how to secure a Linux server against SSH brute-force attacks with 8 SSH hardening tips, including SSH keys, access controls, login limits, and Fail2ban.

Full guide here: ostechnix.com/ssh-hardenin...

#SSH #SecureShell #SSHhardening #Fail2ban #Linux #Security #Linuxadmin #Linuxhowto
8 SSH Hardening Tips to Secure a Linux Server Against Brute-Force Attacks - OSTechNix
Secure Linux server against SSH brute-force attacks with SSH hardening tips, including SSH keys, access controls, login limits, and Fail2ban.
ostechnix.com
September 2, 2026 at 2:34 PM
ostechnix.bsky.social
Learn systemd timers from scratch: OnCalendar syntax, Persistent=, real unit file examples, and the key commands. A practical guide for Linux beginners.

Full guide here: ostechnix.com/linux-system...

#systemd #timers #linux #linuxhowto #linuxcommands #cronjobs #linuxbasics
A Beginner's Guide to systemd Timers (2026) - OSTechNix
Learn systemd timers from scratch: OnCalendar syntax, Persistent=, real unit file examples, and the key commands. A practical guide for Linux beginners.
ostechnix.com
August 25, 2026 at 3:33 PM
tajeraich.bsky.social
This is how I use SSHFS to treat my home server's files and folders as though they are are local file system on my desktop and laptop:

sshfs -o follow_symlinks username@hostserver.lan:/home/username /home/localuser/HostServerFolder

#linux #linuxtips #linuxhowto #ssh #homelab
April 29, 2026 at 11:05 AM
ostechnix.bsky.social
Do you really need antivirus on Linux? Learn when antivirus helps, when it doesn't, and how to secure your Linux system with best security practices.

Full guide here: ostechnix.com/do-you-need-...

#Linux #Antivirus #Linuxsecurity #Security #Firewall #Linuxhowto
Do You Really Need Antivirus on Linux? Here's What New Users Should Know - OSTechNix
Do you really need antivirus on Linux? Learn when antivirus helps, when it doesn't, and how to secure your Linux system with best practices.
ostechnix.com
August 5, 2026 at 11:24 AM
ostechnix.bsky.social
Learn the important things to back up before reinstalling your Linux system. SSH/GPG keys, dotfiles, packages, browser data, and more.

Full guide here: ostechnix.com/things-to-ba...

#Linux #Backup #SystemAdministration #Dotfiles #SSH #GPG #PackageManagement #Linuxhowto #Linuxcommands
Essential Things to Back Up Before Reinstalling Linux - OSTechNix
Learn the important things to back up before reinstalling your Linux system. SSH/GPG keys, dotfiles, packages, browser data, 2FA and more.
ostechnix.com
July 7, 2026 at 2:52 PM
ostechnix.bsky.social
Can't rename "File" to "file" on an exFAT drive in Linux? Learn why case-only renames fail, how exFAT compares filenames, and the simple workaround.

Full guide here: ostechnix.com/why-case-onl...

#exfat #filesystem #linux #rename #troubleshooting #linuxhowto #linuxcommands #linuxbasics
Why Case-Only Renames Fail on exFAT (and How to Fix Them) - OSTechNix
Can't rename Directory to directory on an exFAT drive? Learn why case only renames fail, how exFAT compares filenames, and the workaround.
ostechnix.com
July 2, 2026 at 3:42 PM
ostechnix.bsky.social
Learn how to install and configure ProxyChains on Linux. Set up chain types, enable DNS proxying, and route curl, nmap, and SSH through Tor in minutes.

Full guide here: ostechnix.com/install-conf...

#Proxychains #Proxy #DNS #Tor #Socks5 #LinuxNetworking #Linuxhowto
How to Install and Configure ProxyChains on Linux - OSTechNix
Learn how to install and configure ProxyChains on Linux. Set up chain types, enable DNS proxying, and route curl, nmap, and SSH through Tor.
ostechnix.com
June 27, 2026 at 10:07 AM
ostechnix.bsky.social
Learn how to permanently and securely delete files on Linux using shred, fstrim, secure-delete, and btrfs snapshot removal.

Full step-by-step guide here: ostechnix.com/securely-del...

#securedelete #shred #fstrim #ssd #hdd #btrfs #srm #sfill #sswap #smem #Linuxadmin #Linuxhowto #Linux
How to Securely Delete Files on Linux (So They Stay Gone) - OSTechNix
Learn how to permanently and securely delete files on Linux using shred, fstrim, secure-delete, and btrfs snapshot removal.
ostechnix.com
June 26, 2026 at 2:47 PM
ostechnix.bsky.social
Keep Arch Linux clean and stable with these six essential maintenance tasks, from package updates to orphan removal and pacman cache cleanup.

Full guide here: ostechnix.com/arch-linux-m...

#Archlinux #ArchlinuxMaintenance #Linuxtips #Linuxhowto #Linuxadmin
6 Essential Arch Linux Maintenance Tasks for a Stable System - OSTechNix
Keep Arch Linux clean and stable with these six essential maintenance tasks, from package updates to orphan removal and pacman cache cleanup.
ostechnix.com
June 22, 2026 at 3:11 PM
ostechnix.bsky.social
Just installed Arch Linux? Learn the top things to do after installing Arch Linux to transform it from a bare TTY into a fully functional workstation.

Full Guide Here: ostechnix.com/things-to-do...

#Archlinux #PostInstallSteps #Linuxhowto #Linuxcommands
Things to Do After Installing Arch Linux: Complete Guide (2026) - OSTechNix
Just installed Arch Linux? Learn the top things to do after installing Arch Linux to transform it into a fully functional workstation.
ostechnix.com
June 18, 2026 at 9:31 AM
ostechnix.bsky.social
A server with 800 days of uptime can still be quietly failing. Run these 25 Linux server health checks before the next incident reveals what you missed.

Full guide here: ostechnix.com/linux-server...

#Linux #Linuxadmin #Linuxhowto #Linuxcommands
Linux Server Health Check: 25 Things High-Uptime Hides - OSTechNix
A server with 800 days of uptime can still be quietly failing. Run these 25 Linux server health checks before the next incident reveals what you missed.
ostechnix.com
June 12, 2026 at 1:47 PM
ostechnix.bsky.social
Learn the differences between static, transient, and temporary hostnames in Linux. Understand when to use each type and how to manage them.

Step-by-Step Guide: ostechnix.com/linux-hostna...

#Hostname #LinuxNetworking #Linuxcommands #Linuxhowto #Linuxadmin #Linuxbasics #Linux
Linux Hostname Types Explained: Static vs Transient vs Temporary - OSTechNix
Learn the differences between static, transient, and temporary hostnames in Linux. Understand when to use each type and how to manage them.
ostechnix.com
June 11, 2026 at 3:43 PM
ostechnix.bsky.social
Just installed Fedora 44? This complete post-install guide covers 20 essential things to do after installing a fresh Fedora 44 Linux.

Full guide here: ostechnix.com/things-to-do...

#Fedora44 #FedoraPostInstall #Linux #Linuxhowto #Linuxcommands #Linuxtips
Things to Do After Installing Fedora 44 - Complete Guide (2026) - OSTechNix
Just installed Fedora 44? This complete post-install guide covers 20 essential things to do after installing a fresh Fedora 44 Linux.
ostechnix.com
June 10, 2026 at 1:58 PM
ostechnix.bsky.social
Learn how to set up a system-wide proxy on Ubuntu 26.04 LTS for apt, curl, wget,Git, pip, npm, Docker, Snap, and systemd services.

Full guide here: ostechnix.com/configure-sy...

#Proxy #Ubuntu2604 #Linuxadmin #Linuxhowto
Configure System-Wide Proxy Settings on Ubuntu 26.04 LTS - OSTechNix
Learn how to set up a system-wide proxy on Ubuntu 26.04 LTS for apt, curl, wget,Git, pip, npm, Docker, Snap, and systemd services.
ostechnix.com
June 9, 2026 at 3:29 PM
ostechnix.bsky.social
Learn how to add, delete and grant sudo privileges to users in Ubuntu 26.04, 24.04, and 22.04 LTS editions.

Full guide here: ostechnix.com/how-to-add-d...

#sudo #ubuntu2604 #linux #linuxadmin #linuxhowto #security
Add, Delete And Grant Sudo Privileges To Users In Ubuntu - OSTechNix
This tutorial explains what is sudo user and how to add, delete and grant sudo privileges to users in Ubuntu Linux operating system.
ostechnix.com
May 30, 2026 at 10:41 AM
ostechnix.bsky.social
Learn how to upgrade your Fedora 43 system to the Fedora 44 final version step-by-step using the DNF system upgrade plugin.

Step-by-Step Guide here: ostechnix.com/upgrade-to-f...

#Fedora44 #FedoraLinux #UpgradeFedora #Linuxhowto
How to Upgrade to Fedora 44 From Fedora 43 Step-by-Step - OSTechNix
Learn how to upgrade your Fedora 43 system to the Fedora 44 final version step-by-step using the DNF system upgrade plugin.
ostechnix.com
April 28, 2026 at 2:43 PM
ostechnix.bsky.social
Before troubleshooting any Linux system, I run these commands. An 8-step Linux triage checklist with exact flags and what to do when you find a problem.

Read full guide here: ostechnix.com/linux-troubl...

#Linuxtroubleshooting #Linuxadmin #Linuxhowto #Linuxcommands
The Commands I Run Before Troubleshooting Any Linux System - OSTechNix
Most Linux problems aren't complex. They're poorly observed. These are the exact commands that I run before troubleshooting any Linux system.
ostechnix.com
April 15, 2026 at 2:56 PM
ostechnix.bsky.social
Search Bash history by prefix using Alt+Up/Down. Add 2 lines to ~/.inputrc and jump straight to matching commands—no plugins, no restart.

Full guide here: ostechnix.com/search-bash-...

#Bash #History #Prefix #Bashtips #Linuxtips #Linuxhowto #Linuxbasics #Linuxcommands #Linux
How to Search Bash History by Prefix with Alt+Up/Down - OSTechNix
Search Bash history by prefix using Alt+Up/Down. Add 2 lines to ~/.inputrc and jump straight to matching commands. No plugins, no restart.
ostechnix.com
March 26, 2026 at 2:20 PM
ostechnix.bsky.social
Learn how to install Flatpak apps on an offline Linux system without Internet. Step-by-step commands for Debian, Ubuntu, Fedora, and all major distro.

Step-by-Step Guide here: ostechnix.com/install-flat...

#Flatpak #Packagemanagement #Linux #Debian #Ubuntu #Fedora #Linuxhowto #Linuxcommands
How to Install Flatpak Apps Offline in Linux (No Internet Needed) - OSTechNix
Learn how to install Flatpak apps on an offline Linux system without internet. Works on Debian, Ubuntu, Fedora, and all major distros.
ostechnix.com
March 23, 2026 at 2:27 PM
ostechnix.bsky.social
Learn how to safely fix "E: Unable to parse package file /var/lib/apt/lists" error in Debian and Ubuntu Linux, without data lose.

Step-by-Step Guide here: ostechnix.com/fix-apt-unab...

#Debian #ubuntu #Apt #Linux #Troubleshooting #PackageManagement #Linuxhowto
Fix APT "Unable to Parse Package File" Error on Debian and Ubuntu - OSTechNix
Learn how to safely fix "E: Unable to parse package file /var/lib/apt/lists" error in Debian and Ubuntu Linux, without data lose.
ostechnix.com
March 17, 2026 at 7:58 AM
ostechnix.bsky.social
Learn how to upgrade your Fedora 43 system to the Fedora 44 beta version step-by-step using the DNF system upgrade plugin.

Step-by-Step Guide Here: ostechnix.com/upgrade-to-f...

#Fedora44 #UpgradeFedora #Linux #Linuxhowto
How to Upgrade to Fedora 44 Beta From Fedora 43 Step-by-Step - OSTechNix
Learn how to upgrade your Fedora 43 system to the Fedora 44 beta version step-by-step using the DNF system upgrade plugin.
ostechnix.com
March 11, 2026 at 12:07 PM
ostechnix.bsky.social
Learn how to extend your Linux laptop's battery lifespan by setting charge thresholds with TLP in Linux. Step-by-step config for all major Laptop brands.

Step-by-Step Guide here: ostechnix.com/linux-batter...

#tlp #LaptopBattery #ChargeThreshold #Linuxtips #Linuxhowto #CLI
How to Set Battery Charge Thresholds on Linux with TLP - OSTechNix
Learn how to extend your Linux laptop's battery lifespan by setting charge thresholds with TLP. Step-by-step config for major Laptop brands.
ostechnix.com
March 3, 2026 at 2:30 PM