Posted inLinux
Boosting Linux Server I/O Performance: noatime and tuned profile Tips
A quick guide to optimizing Linux I/O performance by configuring noatime and using tuned profiles to reduce system latency.
Posted inNetwork
Mastering Policy-Based Routing (PBR) on Linux: Route Traffic Like a Pro
Don't let backup traffic clog your main connection. A detailed guide on using Policy-Based Routing (PBR) on Linux to intelligently route traffic based on source IP and Port.
Posted inMonitoring
smartmontools Guide: Diagnosing Linux Hard Drive Issues Before Your Data Vanishes
Don't let your hard drive die in silence. A detailed guide on using smartmontools to diagnose HDD/SSD health on Linux and setting up automated Telegram alerts.
Posted inSecurity
Auditd Configuration Guide: The “Black Box” for Tracking Every Change on Linux
Hackers can wipe history but they can't hide from Auditd. A guide to configuring the Linux "black box" to trace file edits, command execution, and overall server security.
Posted inCentos
The Secret to Server ‘Immortality’: Configuring HA Clusters with Pacemaker and Corosync
Learn how to build a High Availability (HA) Cluster with Pacemaker and Corosync on CentOS/Rocky Linux. A detailed guide from installation and Virtual IP configuration to handling Split-brain errors.
Posted inNetwork
DNS Configuration on Linux: Permanently Fix Settings Being Lost After Reboot
Tired of losing DNS settings in /etc/resolv.conf after every reboot? This guide shows you how to properly configure DNS on Linux using Netplan, nmcli, and systemd-resolved for long-term stability.
Posted inVMware
Upgrading VMware ESXi 7.0 to 8.0 via ESXCLI: Fast, Precise, and Minimal Risk
Quickly and safely upgrade VMware ESXi 7.0 to 8.0 using the ESXCLI command line. This article covers detailed steps, configuration backups, and common driver troubleshooting.
Posted inNetwork
Linux Security: Implementing DoH and DoT to ‘Stay Hidden’ from ISPs
Don't let ISPs know what you're accessing. A detailed guide on encrypting DNS with DoT and DoH on Linux for total privacy protection.
Posted inVirtualization
Proxmox HA: The Ultimate System Rescue at 2 AM Without Leaving Your Bed
A hands-on guide to configuring Proxmox VE Cluster and High Availability (HA). This solution enables automatic VM recovery during physical server failures, ensuring maximum uptime for businesses.
Posted inVMware
Mastering VMware Backup and Restore: Better Safe Than Sorry
Learn how to build a robust 3-2-1 VMware backup strategy. This guide clarifies the difference between Snapshots and Backups, and covers using Veeam and GhettoVCB for total data protection.