https://www.homelabkit.dev/feeds/courses.xml HomelabKit: new and updated courses Only courses: new pages and updates. 2026-10-03T00:00:00Z HomelabKithttps://www.homelabkit.dev/ https://www.homelabkit.dev/favicon.svg tag:homelabkit.dev,2026-09-23:/guides/desktop-environments/updated-2026-10-03 Linux basics: Desktop environments compared (updated) 2026-10-03T00:00:00Z 2026-10-03T00:00:00Z Updated: Now third in the reading order, right after the package managers. Tell KDE Plasma, GNOME, Xfce and friends apart, pick one that suits you, and try another without reinstalling. tag:homelabkit.dev,2026-09-23:/guides/zypper-dnf-apt-compared/updated-2026-10-03 Linux basics: zypper, dnf and apt compared (updated) 2026-10-03T00:00:00Z 2026-10-03T00:00:00Z Updated: Points on to the desktop environments guide, now next in the series. Install, upgrade, search and clean up packages on openSUSE, Fedora and Debian/Ubuntu without guessing. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-gotchas/updated-2026-09-28 Cockpit: Common gotchas (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Recognise the usual Cockpit problems on openSUSE by their symptom and fix them in a minute. tag:homelabkit.dev,2026-09-23:/guides/cockpit/install-cockpit/updated-2026-09-28 Cockpit: Install Cockpit (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Install Cockpit, enable its socket, decide who may reach port 9090, and get administrative access on the first login. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-quadlets-systemd/updated-2026-09-28 Cockpit: Quadlets and systemd units (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Start, stop and debug quadlet services from Cockpit, and know which tasks still belong in the terminal. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-over-wireguard/updated-2026-09-28 Cockpit: Reach Cockpit over WireGuard (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Put the WireGuard interface in its own firewalld zone, allow Cockpit only there, and prove that the internet cannot reach it. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-podman/updated-2026-09-28 Cockpit: The podman plugin (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Add the Podman containers page, see your rootless and rootful containers, and understand why some containers are missing. tag:homelabkit.dev,2026-09-23:/guides/rsync-and-tar/updated-2026-09-28 Linux basics: Copy, sync and archive (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Copy and sync folders without surprises, pack archives with tar, and know what a real backup needs. tag:homelabkit.dev,2026-09-23:/guides/disk-space/updated-2026-09-28 Linux basics: Disk space (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. See which disk is full, find what filled it, and understand why df, du and btrfs disagree. tag:homelabkit.dev,2026-09-23:/guides/file-permissions/updated-2026-09-28 Linux basics: File permissions (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Read rwxr-xr-x at a glance, set it with chmod and chown, and fix the classic permission mistakes. tag:homelabkit.dev,2026-09-23:/guides/find-and-grep/updated-2026-09-28 Linux basics: find and grep (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Find files by name, size and age, search inside them, and delete old files without surprises. tag:homelabkit.dev,2026-09-23:/guides/network-basics/updated-2026-09-28 Linux basics: Network basics (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Find your address and interface, see which ports are open, set a static IP, and check DNS. tag:homelabkit.dev,2026-09-23:/guides/processes/updated-2026-09-28 Linux basics: Processes and resources (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Find what eats CPU or memory, stop a stuck program politely, and keep long jobs out of nohup. tag:homelabkit.dev,2026-09-23:/guides/rolling-vs-fixed-release/updated-2026-09-28 Linux basics: Rolling or fixed release (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Pick a distribution by how it updates, not by its wallpaper, and know how long it gets security fixes. tag:homelabkit.dev,2026-09-23:/guides/systemctl-journalctl/updated-2026-09-28 Linux basics: systemctl and journalctl (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Start, stop and enable services, then read their logs by unit, boot, time and priority. tag:homelabkit.dev,2026-09-23:/guides/linux-directory-layout/updated-2026-09-28 Linux basics: The directory layout (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Know where configuration, data, logs and programs live, so you know what to edit and what to back up. tag:homelabkit.dev,2026-09-23:/guides/users-groups-sudo/updated-2026-09-28 Linux basics: Users, groups and sudo (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Create users, share files through groups, and set up sudo the way your distribution expects. tag:homelabkit.dev,2026-09-23:/guides/zypper-dnf-apt-compared/updated-2026-09-28 Linux basics: zypper, dnf and apt compared (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Install, upgrade, search and clean up packages on openSUSE, Fedora and Debian/Ubuntu without guessing. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/apparmor-selinux-gotchas/updated-2026-09-28 openSUSE server: AppArmor and SELinux gotchas (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: Corrected the AppArmor section to match real output and cited the SELinux default; More pictures and real examples. Find out which security module you run, fix the usual container volume denials, and read the log instead of switching it off. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/automatic-updates/updated-2026-09-28 openSUSE server: Automatic updates (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Let the server patch itself on a schedule, reboot when needed, and tell you when something failed. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/firewalld-basics/updated-2026-09-28 openSUSE server: firewalld basics (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Read the current rules, open a service or port the permanent way, and limit it to the networks that need it. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/install-first-steps/updated-2026-09-28 openSUSE server: Install and first steps (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Install openSUSE with the choices that matter later, then update, name and check the new server. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/quadlet-basics/updated-2026-09-28 openSUSE server: Quadlet basics (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Write a .container file, let systemd generate the service, start it at boot, and debug it when it does not appear. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/rootless-podman/updated-2026-09-28 openSUSE server: Rootless podman (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Give containers their own unprivileged user, make limits work with cgroup delegation, and avoid the session traps. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/snapper-rollback/updated-2026-09-28 openSUSE server: Snapper rollback (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Find the snapshot from before the problem, restore one file or the whole system, and keep snapshots from filling the disk. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/zypper-updates/updated-2026-09-28 openSUSE server: Updates with zypper (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Use the right zypper command for Leap or Tumbleweed, finish the update properly, and keep extra repos in check. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/ssh-hardening/updated-2026-09-28 openSUSE server: Users and SSH hardening (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: More pictures and real examples. Make sudo use your own password, log in with keys only, and lock down sshd without locking yourself out. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/why-opensuse/updated-2026-09-28 openSUSE server: Why openSUSE (updated) 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z Updated: Cited openSUSE News for the SELinux defaults of Tumbleweed and Leap 16; More pictures and real examples. Weigh openSUSE's rollbacks, tooling and podman support against its smaller community, and pick Leap or Tumbleweed. tag:homelabkit.dev,2026-09-23:/guides/desktop-environments/new Linux basics: Desktop environments compared 2026-09-28T00:00:00Z 2026-09-28T00:00:00Z New. Tell KDE Plasma, GNOME, Xfce and friends apart, pick one that suits you, and try another without reinstalling. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-gotchas/new Cockpit: Common gotchas 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Recognise the usual Cockpit problems on openSUSE by their symptom and fix them in a minute. tag:homelabkit.dev,2026-09-23:/guides/cockpit/install-cockpit/new Cockpit: Install Cockpit 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Install Cockpit, enable its socket, decide who may reach port 9090, and get administrative access on the first login. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-quadlets-systemd/new Cockpit: Quadlets and systemd units 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Start, stop and debug quadlet services from Cockpit, and know which tasks still belong in the terminal. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-over-wireguard/new Cockpit: Reach Cockpit over WireGuard 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Put the WireGuard interface in its own firewalld zone, allow Cockpit only there, and prove that the internet cannot reach it. tag:homelabkit.dev,2026-09-23:/guides/cockpit/cockpit-podman/new Cockpit: The podman plugin 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Add the Podman containers page, see your rootless and rootful containers, and understand why some containers are missing. tag:homelabkit.dev,2026-09-23:/guides/rsync-and-tar/new Linux basics: Copy, sync and archive 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Copy and sync folders without surprises, pack archives with tar, and know what a real backup needs. tag:homelabkit.dev,2026-09-23:/guides/disk-space/new Linux basics: Disk space 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. See which disk is full, find what filled it, and understand why df, du and btrfs disagree. tag:homelabkit.dev,2026-09-23:/guides/file-permissions/new Linux basics: File permissions 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Read rwxr-xr-x at a glance, set it with chmod and chown, and fix the classic permission mistakes. tag:homelabkit.dev,2026-09-23:/guides/find-and-grep/new Linux basics: find and grep 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Find files by name, size and age, search inside them, and delete old files without surprises. tag:homelabkit.dev,2026-09-23:/guides/network-basics/new Linux basics: Network basics 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Find your address and interface, see which ports are open, set a static IP, and check DNS. tag:homelabkit.dev,2026-09-23:/guides/processes/new Linux basics: Processes and resources 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Find what eats CPU or memory, stop a stuck program politely, and keep long jobs out of nohup. tag:homelabkit.dev,2026-09-23:/guides/rolling-vs-fixed-release/new Linux basics: Rolling or fixed release 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Pick a distribution by how it updates, not by its wallpaper, and know how long it gets security fixes. tag:homelabkit.dev,2026-09-23:/guides/systemctl-journalctl/new Linux basics: systemctl and journalctl 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Start, stop and enable services, then read their logs by unit, boot, time and priority. tag:homelabkit.dev,2026-09-23:/guides/linux-directory-layout/new Linux basics: The directory layout 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Know where configuration, data, logs and programs live, so you know what to edit and what to back up. tag:homelabkit.dev,2026-09-23:/guides/users-groups-sudo/new Linux basics: Users, groups and sudo 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Create users, share files through groups, and set up sudo the way your distribution expects. tag:homelabkit.dev,2026-09-23:/guides/zypper-dnf-apt-compared/new Linux basics: zypper, dnf and apt compared 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Install, upgrade, search and clean up packages on openSUSE, Fedora and Debian/Ubuntu without guessing. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/apparmor-selinux-gotchas/new openSUSE server: AppArmor and SELinux gotchas 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Find out which security module you run, fix the usual container volume denials, and read the log instead of switching it off. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/automatic-updates/new openSUSE server: Automatic updates 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Let the server patch itself on a schedule, reboot when needed, and tell you when something failed. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/firewalld-basics/new openSUSE server: firewalld basics 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Read the current rules, open a service or port the permanent way, and limit it to the networks that need it. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/install-first-steps/new openSUSE server: Install and first steps 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Install openSUSE with the choices that matter later, then update, name and check the new server. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/quadlet-basics/new openSUSE server: Quadlet basics 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Write a .container file, let systemd generate the service, start it at boot, and debug it when it does not appear. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/rootless-podman/new openSUSE server: Rootless podman 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Give containers their own unprivileged user, make limits work with cgroup delegation, and avoid the session traps. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/snapper-rollback/new openSUSE server: Snapper rollback 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Find the snapshot from before the problem, restore one file or the whole system, and keep snapshots from filling the disk. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/zypper-updates/new openSUSE server: Updates with zypper 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Use the right zypper command for Leap or Tumbleweed, finish the update properly, and keep extra repos in check. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/ssh-hardening/new openSUSE server: Users and SSH hardening 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Make sudo use your own password, log in with keys only, and lock down sshd without locking yourself out. tag:homelabkit.dev,2026-09-23:/guides/opensuse-server/why-opensuse/new openSUSE server: Why openSUSE 2026-09-27T00:00:00Z 2026-09-27T00:00:00Z New. Weigh openSUSE's rollbacks, tooling and podman support against its smaller community, and pick Leap or Tumbleweed.