Stop trusting your snapshots to be actual backups
Backup, Snapshotting & Disaster Recovery Stop trusting your snapshots to be actual backups Technical Briefing | 7/24/2026 You set up a ZFS or LVM snapshot schedule, piped it to a...
Tag: unix
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Stop your KVM guests from drifting off their CPU pins
Virtualization (KVM/QEMU/Libvirt) Stop your KVM guests from drifting off their CPU pins Technical Briefing | 7/24/2026 I spent a week chasing ghost performance issues on a cluster of KVM nodes....
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Stop your ZFS pool from hitting the wall when snapshots accumulate
Filesystem & Storage (ZFS/Btrfs/LVM) Stop your ZFS pool from hitting the wall when snapshots accumulate Technical Briefing | 7/23/2026 You probably set up an automated snapshot schedule months ago and...
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Stop journald from turning your SSD into a paperweight
Observability & Logging (Journald, EBPF Tracing) Stop journald from turning your SSD into a paperweight Technical Briefing | 7/23/2026 We have all been there. You get a latency spike, you...
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Stop KVM guest storage from silently leaking your host disk performance
Virtualization (KVM/QEMU/Libvirt) Stop KVM guest storage from silently leaking your host disk performance Technical Briefing | 7/23/2026 You probably set up your VM storage with a default qcow2 file and...
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Stop mystery kernel modules from lingering after your hardware changes
Kernel News & Module Management Stop mystery kernel modules from lingering after your hardware changes Technical Briefing | 7/23/2026 You swap out a NIC or migrate a VM to new...
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Stop your network interrupts from pinning a single CPU core
Performance Monitoring & Tuning Stop your network interrupts from pinning a single CPU core Technical Briefing | 7/22/2026 You see a high load average on a multicore box, but top...
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Stop fighting the drift when your immutable OS wakes up
Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Stop fighting the drift when your immutable OS wakes up Technical Briefing | 7/22/2026 We have spent years treating servers like pets, SSHing in...
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Stop your OOM killer from being a blind executioner
Container & Kubernetes Internals Stop your OOM killer from being a blind executioner Technical Briefing | 7/22/2026 You set your memory limits in Kubernetes, you feel good about your resource...
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Stop your disk I/O from stuttering when writeback flushes take over
Performance Monitoring & Tuning Stop your disk I/O from stuttering when writeback flushes take over Technical Briefing | 7/22/2026 You are running a database or a high-traffic logging service, and...