Tag: tuning

Debian Ubuntu Laptop mods for SSD HDD and a full encrypted with luks

Major INFO 06-2015: Do not set tmpfs on ubuntu 15.XX or Systems with systemd!!! This block PC boot !! If you want to setup a Ubuntu/Debian Laptop with a full encrypted HDD use a “alternate” CD/DVD. After Setup you have to change some little Parameters to extend the lifecycle of the SSD Chips disable Swap if you have more than 4GB Ram enable a RAMDISK with tmpfs for logs, caches of Browsers install cpufrequtils for CPU freqscaling install laptop-mode-tools to set powersave mode for hardware modules install xbacklight to reduce backlight energy Steps: open a Console and change to root […]

SME Server Centos Red Hat speedup disable unneeded services sound pcmcia cpuspeed

Problem: The default installation setup some unneeded services like pcmcia or sound or cpuspeed Solution: log into your server as root run/sbin/chkconfig –list to see active services run/sbin/chkconfig –level 2345 pcmcia off to disable pcmcia cause a server does not have pcmcia edit the /etc/modprobe.conf and switch off sound-modules with alias "name-module" off run after reboot #/sbin/lsmod to control the disabled sound modules if they are not seen they are not active NOW you have┬áreduced memory load and processes at cpu can speed up your CPU and save energy (at my Epia 533Mhz may be 3Watts at hour)