• Stop your WireGuard handshake from getting stuck behind strict nftables ingress rules

  Networking & Firewalls (Nftables/Iptables/WireGuard) Stop your WireGuard handshake from getting stuck behind strict nftables ingress rules Technical Briefing | 8/2/2026 You spend half an hour verifying your WireGuard keys and...

  By Saket Jain Published August 1, 2026 Linux/Unix

• Stop your eBPF kprobes from dumping data you don’t actually care about

  Observability & Logging (Journald, EBPF Tracing) Stop your eBPF kprobes from dumping data you don’t actually care about Technical Briefing | 8/2/2026 We have all been there. You attach an...

  By Saket Jain Published August 1, 2026 Linux/Unix

• Stop AppArmor from killing your custom services just because they moved files

  Security Hardening (SELinux/AppArmor/Auditd) Stop AppArmor from killing your custom services just because they moved files Technical Briefing | 8/1/2026 You spend all afternoon crafting a perfect AppArmor profile for your...

  By Saket Jain Published August 1, 2026 Linux/Unix

• Stop your memory pressure stall information from hiding the truth

  Performance Monitoring & Tuning Stop your memory pressure stall information from hiding the truth Technical Briefing | 8/1/2026 You see your load average creeping up and the server feels sluggish,...

  By Saket Jain Published August 1, 2026 Linux/Unix

• Stop auditd from filling your disk before you actually need those logs

  Security Hardening (SELinux/AppArmor/Auditd) Stop auditd from filling your disk before you actually need those logs Technical Briefing | 8/1/2026 Most sysadmins enable auditd because a compliance checklist told them to....

  By Saket Jain Published July 31, 2026 Linux/Unix

• Ditch the static SSH keys before they become your biggest liability

  SSH, Remote Access & Zero Trust On Linux Ditch the static SSH keys before they become your biggest liability Technical Briefing | 8/1/2026 Everyone starts with an authorized_keys file and...

  By Saket Jain Published July 31, 2026 Linux/Unix

• Ditch the static SSH keys before they become your biggest liability

  SSH, Remote Access & Zero Trust On Linux Ditch the static SSH keys before they become your biggest liability Technical Briefing | 8/1/2026 Everyone starts with an authorized_keys file and...

  By Saket Jain Published July 31, 2026 Linux/Unix

• Stop your package managers from getting tricked by stale symlinks

  Package Management & Distro Internals (Apt/Dnf/Pacman) Stop your package managers from getting tricked by stale symlinks Technical Briefing | 7/31/2026 We have all been there. You run an update, the...

  By Saket Jain Published July 31, 2026 Linux/Unix

• Stop your bootc images from carrying around stale cloud-init baggage

  Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Stop your bootc images from carrying around stale cloud-init baggage Technical Briefing | 7/31/2026 Building containerized OS images is supposed to simplify your life....

  By Saket Jain Published July 31, 2026 Linux/Unix

• Stop your eBPF kprobes from firing blindly when you only need local context

  Observability & Logging (Journald, EBPF Tracing) Stop your eBPF kprobes from firing blindly when you only need local context Technical Briefing | 7/31/2026 You probably started playing with eBPF using...

  By Saket Jain Published July 31, 2026 Linux/Unix