NFS
Reference for setting up NFS servers and clients on Linux, covering NFSv3 vs NFSv4, exports, firewall ports, mount options, Kerberos, performance tuning, and troubleshooting.
Storage
Persistent Volume Access Modes
Reference for Kubernetes Persistent Volume access modes (RWO, ROX, RWX, RWOP), which CSI backends support them, StorageClass examples, and how to choose between them.
Proxmox Backup
Covers PVE built-in vzdump versus Proxmox Backup Server, datastore setup, VM/container and physical-host backups, scheduling, retention, restore, verification, encryption, and API automation.
RAID
Reference for RAID levels 0, 1, 5, 6, and 10: redundancy, performance, hardware vs software RAID, rebuild and URE risk, scrubbing, cost comparison, and troubleshooting.
Restic
Reference guide for restic, an encrypted deduplicating backup program. Covers installation, repository backends, backups, snapshot retention, restores, maintenance, and systemd automation.
Rsync
Reference for rsync file synchronization: delta transfer, SSH and daemon modes, exclude rules, checksum comparison, bandwidth limits, and automated backups via cron, systemd, and inotify.
SMB / Samba
Reference for SMB protocol versions, Samba server installation and share configuration, encryption, VFS modules, performance tuning, audit logging, and client setup on Linux and Windows.
ZFS
Reference for OpenZFS on Linux covering pool creation, datasets, snapshots, send/receive replication, RAID-Z, ARC tuning, scrub/resilver, properties, and troubleshooting.