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A practical guide to creating a full Yunohost backup with the built-in utility, verifying it with logs and integrity checks, and knowing your restore options before disaster strikes.
Learn how to configure kdump to capture vmcore files during Linux kernel panics. This guide covers GRUB memory reservation, kexec validation, and triggering test panics.
A diagnostic guide to resolving SAML SSO login failures in Mattermost, covering recognizable symptoms, configuration checks, time sync, attribute mapping, and escalation steps.
Pacman hooks turn your post-upgrade checklist into declarative, version-controllable automation. Here's how they work, a real example, and the trade-offs to respect.
Avoid web timeouts and database corruption by upgrading Moodle core via the CLI. This guide covers maintenance mode, database migrations, and verification steps.
Keep SELinux enforcing on Fedora. Fix denials by labeling paths with semanage fcontext, using booleans via setsebool -P, and writing narrow custom policy modules (reviewed, not raw audit2allow). Worked examples for httpd on /srv/webapp, remote DB connections, and a custom module.
Learn how to use Ubuntu's ZFS root filesystem to create atomic snapshots, allowing you to instantly roll back your entire OS after a failed update or configuration error.
Step‑by‑step guide to create a Pacman hook that runs a custom script after every package upgrade or install in Arch Linux.
CentOS utilizes rsyslog to manage system logging, employing $RateLimitInterval and $RateLimitBurst to prevent log flooding and notification noise. These directives define the maximum number of messages allowed within a specific time window before subsequent identical messages are suppressed. The challenge arises when balancing the suppression of repetitive n
yunohost
archlinux
moodle
fedora
ubuntu
centos