Doing automated backups is a must for every sysadmin worth its’ salt. If you happen to administer a smaller pool of servers/hosts it is more than likely that you have your backups tarballed and stored somewhere relatively...
Category - Debian
There comes a time in every sysadmin’s life when a second Virtual Machine Center is added to the inventory of awesomeness and soon You’ll find yourself reevaluating your current setup from a load balancing poing of...
Having undelivered mails due to numerous errors is not nice – having all of our sent emails rejected by a particular host is nothing short of a nightmare. Google has a strict policy on deciding whether it would allow a mail...
There are times when we do not want our scripts or programs to outputy any kind of message to the standard output – like for instance if we have multiple scripts in our crontabs. If you didn’t have your crontab...
Building your very own Ubuntu Server from Scratch is as great way to get a grasp at how things work under the hood, not to mention you’ll end up with a router that does what it is told to do and nothing more. I’m...
It is always good to know just how much TCP / UDP packets can we squeeze out from our network interfaces. Be it that we are building our very own router or just plain testing out our network environment. Usually there comes a...
Generally speaking, even the password prompt should not take a lot of time (more than a few seconds) to pop up during the initial connection state. However, leaving parts of the SSH daemon unconfigured can lead to communication...
Editing config file for the network interfaces in a breeze – unless you make all the necessary edits, save then quit editing, restart your networking and get utterly mortified by the horror of the fact that the interface...
We’ll pretend you have ffmpeg up and running, with the necessary build options – for more info on that, refer to the FFmpeg Compilation Guide. To convert to an iPod nano with a max screen size of 320×180, issue...
Using grep to scan thru a whole directory recursively is done with: grep -R 'string' dir/ In addition, you can also tell grep to only scan files that have a certain extension (or pattern, for that matter): grep -R 'string'...