Difference between revisions of "Linux"

From DWIKI
Line 18: Line 18:
===show what is doing most disk accesses===
===show what is doing most disk accesses===
  iotop  
  iotop  
glances
===IO statistics===
===IO statistics===
  iostat
  iostat

Revision as of 16:41, 19 September 2017

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 
glances

IO statistics

iostat
vmstat
dstat

CPU usage etc

top
atop
htop
vtop
fio

Administration


FAQ

List hardware

  • lshw
  • dmidecode
  • lsusb
  • hwinfo
  • lspci

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

Mignight commander/dialog strange characters

Quick fix:

export LANG=en_US.ISO-8859-1

This probleem seems to be related to screen/su -