Difference between revisions of "Linux"

From DWIKI
Line 59: Line 59:
===rescan partition table===
===rescan partition table===
  partprobe
  partprobe
 
kpartx
echo 1 > /sys/block/sde/device/rescan


===Force reboot===
===Force reboot===

Revision as of 18:32, 29 March 2019

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

*inxi
*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
pidstat

Administration

FAQ

pam_succeed_if(sudo:auth): requirement "uid >= 1000" not met

timestamp to human readable

date -d @1522142497

List hardware

  • lshw
  • dmidecode
  • lsusb
  • hwinfo
  • lspci


rescan partition table

partprobe
kpartx
echo 1 > /sys/block/sde/device/rescan

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 -