• Stop your firewall from leaking interface metadata via raw packet captures

  Networking & Firewalls (Nftables/Iptables/WireGuard) Stop your firewall from leaking interface metadata via raw packet captures Technical Briefing | 8/4/2026 You spend all weekend hardening your nftables ruleset, strictly isolating your...

  By Saket Jain Published August 4, 2026 Linux/Unix

• Stop ZFS from eating your entire pool when you enable dedup

  Filesystem & Storage (ZFS/Btrfs/LVM) Stop ZFS from eating your entire pool when you enable dedup Technical Briefing | 8/4/2026 You see a massive pile of identical virtual machine images or...

  By Saket Jain Published August 3, 2026 Linux/Unix

• Stop your LVM snapshots from killing your disk performance during backups

  Backup, Snapshotting & Disaster Recovery Stop your LVM snapshots from killing your disk performance during backups Technical Briefing | 8/3/2026 You probably use LVM snapshots to get a point-in-time view...

  By Saket Jain Published August 3, 2026 Linux/Unix

• Stop your conntrack table from overflowing when you handle too many WireGuard peers

  Networking & Firewalls (Nftables/Iptables/WireGuard) Stop your conntrack table from overflowing when you handle too many WireGuard peers Technical Briefing | 8/3/2026 WireGuard is performant, but it lives inside the kernel...

  By Saket Jain Published August 3, 2026 Linux/Unix

• Stop your Kubernetes OOMKiller from lying about who actually ate the memory

  Container & Kubernetes Internals Stop your Kubernetes OOMKiller from lying about who actually ate the memory Technical Briefing | 8/3/2026 You see an OOMKill event in your Kubernetes dashboard and...

  By Saket Jain Published August 3, 2026 Linux/Unix

• Stop your eBPF tracepoints from bloating your kernel ring buffer

  Observability & Logging (Journald, EBPF Tracing) Stop your eBPF tracepoints from bloating your kernel ring buffer Technical Briefing | 8/3/2026 I watched a junior dev deploy an eBPF probe to...

  By Saket Jain Published August 3, 2026 Linux/Unix

• Stop your Ansible persistent connections from leaking process memory on CI runners

  DevOps Tooling On Linux (CI/CD Runners, Ansible) Stop your Ansible persistent connections from leaking process memory on CI runners Technical Briefing | 8/3/2026 You probably think your CI runners are...

  By Saket Jain Published August 2, 2026 Linux/Unix

• Stop your trap commands from losing their exit context

  Shell Scripting & Automation Stop your trap commands from losing their exit context Technical Briefing | 8/2/2026 Everyone learns early on that you should use trap to clean up temporary...

  By Saket Jain Published August 2, 2026 Linux/Unix

• Stop your soft interrupt load from tanking your network latency

  Performance Monitoring & Tuning Stop your soft interrupt load from tanking your network latency Technical Briefing | 8/2/2026 You spend all morning chasing a latency spike that only hits under...

  By Saket Jain Published August 2, 2026 Linux/Unix

• Stop your Ansible persistent connections from keeping sockets alive forever

  DevOps Tooling On Linux (CI/CD Runners, Ansible) Stop your Ansible persistent connections from keeping sockets alive forever Technical Briefing | 8/2/2026 You probably think your Ansible playbook finishes when the...

  By Saket Jain Published August 2, 2026 Linux/Unix