Linux Security Showdown: When Alice, Bob, and Carol Invade /project/shared

Ever wonder what happens when three users walk into a directory? No, this isn't the start of a joke—it’s your next real-world RHEL 9 project! Today, we’ll create a secure multi-user file collaboration system using Linux permissions, ACLs, setgid, and the sticky bit—because letting users roam free is chaos, and chaos is for developers, not sysadmins. So grab your sudo powers and let’s lock this place down.

May 5, 2025 - 20:34
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Linux Security Showdown: When Alice, Bob, and Carol Invade /project/shared

Ever wonder what happens when three users walk into a directory? No, this isn't the start of a joke—it’s your next real-world RHEL 9 project!

Today, we’ll create a secure multi-user file collaboration system using Linux permissions, ACLs, setgid, and the sticky bit—because letting users roam free is chaos, and chaos is for developers, not sysadmins.

So grab your sudo powers and let’s lock this place down.