This will one day be my train room/workbench area. I moved all the stuff out (we were using it for storage) and am ready to clean and etch the floor. The Dry-Lok epoxy paint I plan to use works best if you etch clean concrete with a weak acid solution and then prime.
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Logfiles galore! (Submit Answer)
Write a bash script that will compress all files named *.log in the directory “/usr/local/app/logs” that have not been accessed in the last day.
The script should only produce output if:
If you need a hint, here is a good article on using find.
I was running low on disk space on one of my servers. Luckily I had set up LVM, was using XFS and had some room to spare on my physical volume. With just 2 commands I added 1GB of space to the filesystem.
I found out how much space I had to spare using the vgdisplay command.
Looking at “Free PE” you can see I have 29GB to use on down the road.
To learn more about lvm, check out the HOWTO
Panic! (Submit Answer)
Let’s say you are troubleshooting a remote system and have no physical access to the hardware. How would you ensure that you can regain control of the system if/when a kernel panic occurs?
Assume you have serial console access both during POST and after kernel bootstrap. There is more than one correct answer.
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