• Stop letting QEMU guests hog your I/O and kill host latency

  Virtualization (KVM/QEMU/Libvirt) Stop letting QEMU guests hog your I/O and kill host latency Technical Briefing | 10/20/2026 You spend all weekend tuning your host’s disk scheduler and network stack, only...

  By Saket Jain Published October 19, 2026 Linux/Unix

• Stop auditd from dropping events when the system hits the wall

  Security Hardening (SELinux/AppArmor/Auditd) Stop auditd from dropping events when the system hits the wall Technical Briefing | 10/20/2026 We have all been there. You have a compliance requirement to log...

  By Saket Jain Published October 19, 2026 Linux/Unix

• Don’t Trust `df` on ZFS and Btrfs: Where Did My Space Go?

  Filesystem & Storage (ZFS/Btrfs/LVM) Don’t Trust `df` on ZFS and Btrfs: Where Did My Space Go? Technical Briefing | 10/19/2026 You’ve been there: `df -h` shows plenty of free space,...

  By Saket Jain Published October 19, 2026 Linux/Unix

• Stop fighting systemd unit restarts when your process needs more than a polite signal

  Systemd & Service Management Stop fighting systemd unit restarts when your process needs more than a polite signal Technical Briefing | 10/19/2026 You probably rely on KillMode=control-group to tidy up...

  By Saket Jain Published October 19, 2026 Linux/Unix

• Stop Letting Tainted Kernels Hide Their Shame

  Kernel News & Module Management Stop Letting Tainted Kernels Hide Their Shame Technical Briefing | 10/18/2026 You see a kernel panic or an odd driver hiccup and your first instinct...

  By Saket Jain Published October 18, 2026 Linux/Unix

• Stop fighting the base image and start layering your own bits with bootc

  Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Stop fighting the base image and start layering your own bits with bootc Technical Briefing | 10/18/2026 For years we have been building servers...

  By Saket Jain Published October 18, 2026 Linux/Unix

• Stop leaving your auditd rules wide open to log rotation gaps

  Security Hardening (SELinux/AppArmor/Auditd) Stop leaving your auditd rules wide open to log rotation gaps Technical Briefing | 10/18/2026 You probably spent an afternoon tuning your auditd rules to capture every...

  By Saket Jain Published October 18, 2026 Linux/Unix

• Keep Your CI Runners from Starving Each Other with Systemd Slice Units

  DevOps Tooling On Linux (CI/CD Runners, Ansible) Keep Your CI Runners from Starving Each Other with Systemd Slice Units Technical Briefing | 10/18/2026 You spin up a new CI runner,...

  By Saket Jain Published October 17, 2026 Linux/Unix

• Stop package managers from ghosting your configuration changes

  Package Management & Distro Internals (Apt/Dnf/Pacman) Stop package managers from ghosting your configuration changes Technical Briefing | 10/17/2026 Every sysadmin has been there. You tweak a config file in /etc/nginx/...

  By Saket Jain Published October 17, 2026 Linux/Unix

• Stop the kernel from pulling in dependency bloat when you only need one module

  Kernel News & Module Management Stop the kernel from pulling in dependency bloat when you only need one module Technical Briefing | 10/17/2026 You spend half your morning trimming down...

  By Saket Jain Published October 17, 2026 Linux/Unix