Linux labs
Install and run Debian and Ubuntu servers. Practice in your browser, with nothing to install and nothing to break. Finish a lab to earn a badge and points in the community.
6 labsAll 40 labsLearning pathsFree to start
Showing 6 of 6 labs
- Linuxbeginner
Debian networking basics
Learn the few commands that answer most network questions on Linux: what is my address, can I reach the server, does the name resolve, and what does a failure look like.
20 min5 steps50 points
- Linuxbeginner
Install Debian
Install Debian as a server from start to finish. Partition the disk, pick only the software you need, then log in, confirm remote access, apply updates and add a monitoring tool.
30 min13 steps25 points
- Linuxbeginner
Install Ubuntu Server
Install Ubuntu Server on LVM with remote access and a container runtime, then log in, apply updates and add a monitoring tool.
30 min13 steps25 points
- LinuxTroubleshootingintermediate
Troubleshoot: a report will not save
An analyst can open and edit last quarter's report but cannot save a new one in the same folder. Find which of owner, group and mode is wrong, and fix it with the least access that works.
20 min6 steps60 points
- LinuxTroubleshootingintermediate
Troubleshoot: the server cannot reach anything outside
A server can talk to its neighbors but not to the internet. Work out whether it is a name problem or a route problem, find the wrong setting, and fix it with the command line.
25 min7 steps60 points
- Linuxbeginner
Users, groups and permissions on Linux
Make a shared folder, a group and two people, then set the owner and mode so one of them can work in the folder and the other is kept out. You will use useradd, groupadd, usermod, chgrp, chmod and ls -l, the commands behind most Linux access questions.
25 min7 steps50 points
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