if you ever need to change the size of your kernel shared memory in linux due to some error like memory allocation error or other shared memory error, you might need to increase your shared memory size in linux kernel.
If you ever need to restart your informix database without restarting the whole linux system, follow the step by step below :
to forward mail sent to root in your linux box to another recipient, you can simply do the following:
this very easy linux command can be use to remove files older than certain days. Its very useful when you’re doing clean-up of old files.
if you want to make your account have the same right as root, you can clone root / duplicate root account. Here’s how to do that :
there are a lot of home users using instant messenger (yahoo messenger is one of it) but almost all company forbid their employee to use it with several reason such as time wasting, productivity issue, security issue, company data leakage, etc.