Lot of times you want to check the disk rpm, especially on the servers to check if it is 7.2K or 10K or 15K rpm disk. How do you do this from linux terminal. Here it is :
sginfo -g /dev/<device>
Note that sginfo comes from sg3-utils.
ionice is utility provided by the package util-linux. Description of util-linux:
Description : The util-linux package contains a large variety of low-level system
: utilities that are necessary for a Linux system to function. Among
: others, Util-linux contains the fdisk configuration tool and the login
: program.
With the help of this utility, you can set the scheduler priority for your IO scheduling upto RealTime, but be careful that can make other process sluggish. Example use:
ionice -c 1 -n 7 $(pgrep
Here is a quick command to check the list of installed packages by their size in reverse order. Very useful if you want to remove unwanted rpms just to clean up some space on your disk:
1 | rpm -q -a --qf "%10{SIZE}\t%{NAME}\n" | sort -k1,1nr |more |
Sample output:
78070452 kernel
78060477 kernel
50708634 jre
50316408 libgcj
48581593 wireshark
47778643 gimp
47674675 jre
47303084 qt-x11
45838912 otrs
45657248 chromium-libs
42070128 wxPython