Warning: Permanently added ‘157.90.202.120’ (ED25519) to the list of known hosts. Every penetration test starts the same way:…
Putting /tmp on its own filesystem isolates temporary files from the root volume and lets you mount it…
When SELinux blocks something and you need to understand why, the best documentation is sitting in man pages…
Physical access to a Linux machine is game over unless the bootloader stops an attacker from dropping into…
Kernel headers are what you install when you need to compile something that plugs into the running kernel.…
Sooner or later, every Ansible project hits the same wall: database passwords sitting in plain YAML, API keys…
Every pod in your cluster runs with a ServiceAccount. If you haven’t configured RBAC, that ServiceAccount can do…
File-level backups are useless for databases. If you tar a running PostgreSQL data directory, you get a corrupted…
A well-written bash script covers 90% of Linux backup needs without installing anything. tar, gzip, and a systemd…
Three backup tools dominate the open-source Linux backup space: BorgBackup, Restic, and Kopia. All three offer deduplication and…
rsync is the most widely deployed file synchronization tool on Linux, and for good reason. It handles incremental…
Restic takes a different approach to backups. Every piece of data is encrypted on the client before it…
