4.1 Linux administration

3 entries

• 0168 Server health check script: disk, memory and failed units A dependency-free bash script that checks disk and inode usage, available memory, load, failed systemd units and pending reboots, and exits non-zero… Intermediate · Reference · Linux Script Disks, LVM & filesystems · Services & systemd 15 Oct 2026
• 0171 Extend an LVM logical volume and filesystem online (safe script) A bash script that grows the LVM volume behind a mount point, checks the filesystem type and free space first, and runs… Advanced · How-to · Linux Script Disks, LVM & filesystems 15 Oct 2026
• 0178 Create a sudo user with an SSH key and disable password login A bash script that creates an admin user in the sudo or wheel group, installs their SSH public key and can switch… Advanced · How-to · Linux Script Keys & config · Users, sudo & hardening 15 Oct 2026