Difference between revisions of "Linux"

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


===timestamp to human readable===
===timestamp to human readable===

Revision as of 09:16, 10 September 2018

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
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


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 -