Learn linux
Short lessons written around the screening tests employers use. Read one, then take the test.
Linux file permissions and ownershipRead and set rwx permissions with numbers or letters, change owners with chown, and avoid the chmod 777 habit.Lesson 1
Processes, pipes and logs for support workFind and stop processes, chain commands with pipes and redirection, and read service logs with journalctl.Lesson 2
Searching files with grep and findFind the file you need by name, age or size, then search inside it with grep, using the flags support work calls for.Lesson 3
Services, disk space and network checksStart and inspect services with systemctl, find what is filling the disk, and confirm a port is open before you escalate.Lesson 4
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