Screen brightness reset in Ubuntu


My Ubuntu laptop's screen brightness resets everytime after reboot. I have found a way to make the brightness adjustment 'stay permantly': 1) Adjust the brightness to the level that I like, then run 'cat /sys/class/backlight/acpi_video0/brightness '. The command will return the brightness level in a integer value. Mine is 12. 2) Add the line 'echo 12 … Continue reading Screen brightness reset in Ubuntu →

Fortinet SSL VPN Client in Ubuntu


It is intereting that the Fortinet SSL VPN client works fine in my Windows machine, but does not work in my Ubuntu laptop. I have found the reason is that a few routes are missed in the routing table. To make it work, I wrote a script to manually add those routes after VPN is … Continue reading Fortinet SSL VPN Client in Ubuntu →

Auto Configure Proxy in Ubuntu


It is painful to turn the proxy on and off in my Ubuntu laptop between office and home.  As a lazy guy, I would like to make it automatic. Easy life now 🙂 1) Create 3 scripts named proxy_on, proxy_off and check_proxy under /usr/local/bin. #!/bin/bash #proxy_on gsettings set org.gnome.system.proxy.socks host 'proxy.company.local' gsettings set org.gnome.system.proxy.socks port … Continue reading Auto Configure Proxy in Ubuntu →

Check Virtual Machine UUID


Each virtual machine is automatically assigned a universally unique identifier (UUID), which is stored in the SMBIOS system information descriptor. It can be accessed by standard SMBIOS scanning software (for example, SiSoftware Sandra or the IBM utility smbios2) and is used for system management in the same way you use the UUID of a physical … Continue reading Check Virtual Machine UUID →