List only hidden files with ls command

We all know how to list non-hidden and hidden files with ls command on shell. However I could not find out how to list only hidden files ( starting with “.” ) with only ls command. One, but not complete solution could by to using TAB key. For example ls . and pressing 2xTAB will [...]

Extract STDERR and redirect STDOUT to /dev/null with bash

I always keep forgetting this bash syntax redirection. This is because of my short memory and also because I do not use it often. In many cases we need to remove a STDERR from the command output and keep only STDOUT. On the other hand there are times that we want to see STDERR and [...]

Lost screen resolution after restart with ubuntu and nvidia

I have been using my current kubuntu installation for many months already and I never had a problem with my nvidia driver settings except today. From no apparent reason I have started my linux box and my default and maximum resolution was 1024×768 instead my standard 1680×1050. I have tried reinstall envy packages, doing dpkg-reconfigure [...]