Posted inUbuntu
Deep Cleaning Ubuntu: Purge Junk, Old Kernels, and Free Up GBs of Space
A detailed guide on deep cleaning Ubuntu: remove orphaned packages, purge old kernels, and limit system logs to quickly reclaim GBs of space for your VPS.
Posted inUbuntu
Speed Up Ubuntu Disk Cleanup with ncdu and duf: Replacing Outdated Commands
Forget the old df and du commands. Learn how to use ncdu and duf for intuitive Ubuntu disk management, finding and deleting large files on your VPS in seconds.
Posted inVMware
Storage Management on VMware ESXi: Don’t Wait for the “Red Disk” Warning to Panic
A practical guide to expanding Datastores and Virtual Disks in VMware ESXi. Expert tips on Thin/Thick Provisioning and essential LVM resizing commands on Linux.
Posted inLinux
Direnv: The ‘Lifesaver’ for Automating Per-Project Environment Variables on Linux
Manually managing environment variables on Linux often leads to data mix-ups between projects. Learn how to use direnv to automatically load and unload configurations as you switch directories.
Posted inMonitoring
Professional Grafana Dashboard Design: Mastering Panels, Variables, and Annotations
Learn practical Grafana Dashboard design from real-world operations. A detailed guide on using dynamic variables, visual panels, and annotations for fast troubleshooting.
Posted inLinux
Hunting Down and Eliminating Zombie Processes: When Linux Servers Are Besieged by the Undead
Zombie processes don't consume RAM but can exhaust PIDs, paralyzing your Linux server. Discover how to track down PPIDs and eliminate these 'undead' processes based on real-world experience.
Posted inFedora
Mastering Stratis on Fedora: Managing Storage More Easily with Pools and Snapshots
Detailed guide on using Stratis on Fedora for smart storage management. Learn how to create Pools, Filesystems, and Snapshots quickly from an IT expert's real-world experience.
Posted inSecurity
Mastering SELinux Custom Policies: Don’t Disable Security Just Because of ‘Permission Denied’
Don't disable SELinux just because of a Permission Denied error. Learn how to create Custom Policies to protect Linux servers using the Principle of Least Privilege.
Posted inDocker
Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server
Docker hogging disk space is a DevOps nightmare. This article shares how to use prune commands effectively and configure log rotation to rescue your server from storage issues.
Posted inLinux
Is Linux Fragmented? How to Check and Optimize EXT4 and XFS Drives to Boost I/O Speed
The idea that Linux doesn't fragment is a myth. Learn how to use e4defrag and xfs_fsr to check and optimize drives, effectively boosting server I/O performance.