LPIC-1 102-500 case studies
LPIC-1 102-500 · Put your knowledge to work in context.
LPIC-1 is the first certification in the multi-level Linux professional certification program of the Linux Professional Institute (LPI). It validates the ability to perform maintenance tasks on the command line, install and configure a computer running Linux, and configure basic networking. It is aimed at people moving into real-world Linux system administration, and LPI states there are no prerequisites. Certification requires passing two exams, 101 and 102; this page covers exam 102-500, whose published topics are Shells and Shell Scripting, Interfaces and Desktops, Administrative Tasks, Essential System Services, Networking Fundamentals, and Security. The LPIC-1 102-500 case studies are 5 cases and about 3,503 words.
1Nightly archive works interactively, fails from root cron
On an Ubuntu 22.04 host, /usr/local/bin/nightly-backup.sh must create /var/backups/www-YYYY-MM-DD.tar.gz and upload it with the AWS CLI to object storage. ]] tests and a Bash array to list web roots, and calls aws without an absolute path.
708 words, about 4 min2Shared research directory loses group write access
A five-person research team (mira, jo, sam, lee, ana) shares /srv/trialdata on a Debian 12 server. The directory is owned root:trials, mode 2775.
752 words, about 4 min3Report job misses its window when the VM is powered off
A reporting VM runs Ubuntu 22.04 and must write /srv/reports/daily.csv before 06:00 Europe/Berlin. The job is defined in /etc/cron.d/report as 0 1 report /opt/report/run.sh.
698 words, about 3 min4Split DNS and default route on a dual-homed workstation
A Debian 12 laptop uses NetworkManager and systemd-resolved. enp3s0 is on the office LAN 192.168.50.0/24 with gateway 192.168.50.1 and DNS 192.168.50.1.
638 words, about 3 min5Key login fails and a sudo rule grants root through a writable script
A small CI jump host runs Ubuntu 24.04 with OpenSSH 9.6. sshd config contains PasswordAuthentication yes, KbdInteractiveAuthentication yes, PubkeyAuthentication yes, PermitRootLogin prohibit-password, AllowUsers alice deploy, and AuthorizedKeysFile .ssh/authorized keys.
707 words, about 4 min