HowTo: Show/Display available network interfaces

The biggest problem I found was not identifying all the network interfaces available but the ones that are up. For instance, the 2 quickest way to identify all the available network interfaces are: ip link $> ip link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default link/loopback 00:00:00:00:00:00 brd

Ubuntu: How to solve a GPG Error (BADSIG)

Well, well, haven’t we all faced this irritating issue where apt-gets begin to fail? I have faced it one too many times. Frustrating and mind-numbing. One of the common error is the infamous GPG Error. A “BADSIG” scenario. For instance, I faced this today: $> sudo apt-get update … … … Ign http://archive.ubuntu.com trusty-security/main Translation-en_IN

Ubuntu: Disable start of a service on boot

A simple problem I was facing in Ubuntu was finding an equivalent of “chkconfig” available on the Redhat flavors. Well, for the unaware people: ‘chkconfig‘ is popularly used for adding or removing any services during boot. In other words, it¬†updates and queries runlevel information for system services. So, my search was for a similar tool