Difference between revisions of "Linux"

From DWIKI
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===IO statistics===
===IO statistics===
  iostat
  iostat
vmstat
===CPU usage etc===
===CPU usage etc===
  top
  top

Revision as of 16:04, 17 December 2014

Linux is a free Unix-type operating system originally created by Linus Torvalds with the assistance of developers around the world. Developed under the GNU General Public License , the source code for Linux is freely available to everyone.

Links


Rescue CDs


Checking resources

http://www.slashroot.in/linux-system-io-monitoring

show what is doing most disk accesses

iotop 

IO statistics

iostat

vmstat

CPU usage etc

top

Administration


FAQ

List hardware

  • lshw
  • dmidecode

Force reboot

I found sometimes 'reboot' and 'shutdown' don't work in virtual machines, in that case try:

#sync
echo s > /proc/sysrq-trigger
#optionally umount
echo u > /proc/sysrq-trigger
#reboot
echo b > /proc/sysrq-trigger