Htop columns description

Htop is a free process viewer for Linux. Below is the Column descriptions of htop: PID: A process’s process ID number. USER: The process’s owner. PR: The process’s priority. The lower the number, the higher the priority. NI: The nice value of the process, which affects its priority. VIRT: How much virtual memory the process … More Htop columns description

Re-installing Asterisk

Installing and removing a software package in Ubuntu is quite as easy as But when it comes to removing Asterisk, only the core packages are removed left the dependencies. Thus re-installing Asterisk doesn’t give you a fresh Asterisk. In order to complete remove Asterisk you have to then install Asterisk, you will have a clean … More Re-installing Asterisk

Virtualbox 4.0 USB devices grayed out

USB devices grayed out due to permission Here, I assume that you already installed VirtualBox Extension Packs 1. Usually VirtualBox will add “vboxusers” group for you, but if not 2. Change /dev/vboxdrv group to vboxusers 3. Add read/write permission for group to /dev/vboxdrv 4. Add your user to vboxusers group 5. Logout and login again … More Virtualbox 4.0 USB devices grayed out

How to pay Metfone ADSL service via topup scratch card

Make sure you buy enough credit to pay the service charged. Dial 1773 Press 1 for Khmer language selection then Press 3 for Adsl payment service then Enter your account number (call 0976097097 to check for you) then Press # Press 1 to proceed Enter the code from topup card Press # Don’t forget to … More How to pay Metfone ADSL service via topup scratch card