• Tue. Mar 2nd, 2021

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Unity optimisation

Assuming someone is working on unity there might be 2 applets which are crucial to install 1. CPU frequency scaling applet in unity Indicator applet for displaying and changing CPU frequency…

Ubunty Unity-2D

There comes the time when you might update a slow specked device (Netbook) to a more recent Ubuntu version with Unity and realize somewhere after the install that “It seems that you do…

Hardware lister lshw

I recently run into the need to know what components I have inside my box without going upstairs and grabbing the screwdriver and going back downstairs, starting to unscrew the…

Safe erase harddrives on Ubuntu

Suppose you want to erase all data on a hard-drive before selling or trowing it away. Use the following commands to do so. # sudo fdisk -l to Identify the hard-drive to be deleted…

Solaris: High performance scp

High performance scp To copy a large file (1GB or more) over from one server to another use: scp -c arcfour target [email protected]:/destination this significant increases the transfer speed by…

Ubuntu: Howto drastically speed up Firefox

Ubuntu: Howto drastically speed up Firefox Make firefox store its cache in the /tmp directory — which when we have moved it to a tmpfs according to this wiki is…

Ubuntu: Powersaving Tweak for Netbooks

Powersaving Tweak for Netbooks: Add the following to the /etc/rc.local file: # Economize the SSD sysctl -w vm.swappiness=1               # Strongly discourage swapping sysctl -w vm.vfs_cache_pressure=50      # Don’t shrink the inode…

Ubuntu: OPTIMIZING SSD PERFORMANCE

OPTIMIZING SSD PERFORMANCE: Change the file system mount options on SSDs to “noatime” Edit /etc/fstab (gksudo gedit /etc/fstab) and change the the option “relatime” to “noatime”. The line for the…

Ubuntu: Reduce SSD Disk wear

Ubuntu: Howto reduce the SSD wear Open fstab, and add the following lines: # sudo gedit /etc/fstab tmpfs /var/log tmpfs defaults 0 0 tmpfs /tmp tmpfs defaults 0 0 tmpfs…

Ubuntu: Some Usefull Commands

Some usefull commands: To add a broken pgp key try # sudo apt-key adv –recv-keys –keyserver keyserver.ubuntu.com 0x0e494dbb2f021ac1 where 0x0e494dbb2f021ac1 is the key that needs to be added If this…