Getting the heaviest RAM processes in Linux is pretty easy, getting RAM usage numbers is pretty easy to. However getting CPU usage numbers per process in Linux is harder to come by.Read More…

Here is my citations/research: To install a single man page: http://askubuntu.com/questions/244809/how-do-i-manually-install-a-man-page To install multiple manpages: http://unix.stackexchange.com/questions/79028/debian-install-missing-man-pages Here is my article: If your server came without man/man pages installed most likely its because it doesntRead More…

Method is similar to restoring a corrupt btrfs filesystem. Trying to restore a file or folder or subvolume that you accidentally deleted and you dont have a snapshot (perhaps because you accidentallyRead More…

If you accidentally unmounted the following tmpfs on /dev type tmpfs (rw,noatime,nodiratime,size=10240k,mode=755) devpts on /dev/pts type devpts (rw,noatime,nodiratime,mode=600) /dev/md0 on / type btrfs (rw,noatime,nodiratime,nospace_cache) proc on /proc type proc (rw,nosuid,nodev,noexec,noatime,nodiratime) sysfs onRead More…

Maybe someone will come across this one. But I had an issue with screen and tmux making themes in vim ugly and hard to work with (and i wouldnt doubt if dtach andRead More…

EXAMPLE 1 Lets generate some random text: cd /lib/udev/rules.d grep -nir . * | grep SYMLINK | head > /root/text0.txt SIDENOTE: actually at the time, this text was not random for me.Read More…

Citation: http://possiblelossofprecision.net/?p=343 INTRO   UDEV is a service/package that detects new devices connected to the linux server and launches predefined scripts and also makes them accessible through /dev. In the old daysRead More…

Use getfacl and setfacl. Will work even if you dont run your filesystem with “acl” mode. “acl” mount option (Available by installing acl program) gives more permissions than your standard u/g/o r/w/x.Read More…