08Hard link or symlink: what actually differs, and when does the choice bite you?▼easyNewRed HatTCSInfosys1 repliesunlockedA beginner question with a senior follow-up hiding in it. Once you know a hard link is a second name for an inode, log rotation and backup behaviour both stop being mysterious.Open full answer →
16Someone ran chmod -x on the chmod binary. Nothing can change permissions now. How do you recover?▼easyNewTCSInfosysAccenture○ sign inA one-line mistake that locks you out of the obvious fix. The fast recovery teaches more about the permission model than any man page will.Open full answer →
03Walk me through how an AWS IAM request is evaluated. Where does an explicit deny fit?▼hard★ EssentialNewAmazonJPMorgan ChaseGoldman Sachs2 repliesunlockedThe question that separates console users from people who have debugged a permissions failure across accounts. Evaluation order is deterministic and knowing it makes AccessDenied readable.Open full answer →
