Linux
Aus wiki
Inhaltsverzeichnis
Security
Ubuntu Server Hardening
http://www.andrewault.net/2010/05/17/securing-an-ubuntu-server/ http://ubuntuforums.org/showthread.php?t=1002167
disable log
Run Spaceset +o history or Spaceshopt -uo history to disable history.
System Management
Install Kernel Headers
sudo apt-get install linux-headers-$(uname -r)
Remove all Kernel except the actual
sudo apt-get remove --purge $(dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d')
increase volume
pactl -- set-sink-volume 0 150%
Get active CPU scheduler
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
Lenovo Trackpoint Speed
create UDEV Rule - perm 755 root/root
SUBSYSTEM=="serio", DRIVERS=="psmouse", WAIT_FOR="/sys/devices/platform/i8042/serio1/serio2/sensitivity", ATTR{sensitivity}="220", ATTR{speed}="110"
execute command to immediate activate rules
sudo udevadm control --reload-rules sudo udevadm trigger
Want to kill every process accessing /data/sales on a Linux operating systems? Try:
fuser -k -15 -m /data/sales OR fuser -k -9 -m /data/sales
config file view
Remove comments & blank lines from a config file:
egrep -v "^#|^$" file
for loop
for f in *.mp4; do ffmpeg -i $f -b:a 320K -vn $f.mp3; done
usefull links
https://help.ubuntu.com/community/PowerManagement/ReducedPower ubuntu: PowerManagement/ReducedPower
