PeterIf you need to list all files that are currently open on your Linux or other Unix system, look no further than the lsof command.
On my system (Fedora Core 6), it's located in /usr/sbin/, meaning that you'll need to either run it as root, or specify the full path to the application:
$ /usr/sbin/lsof
It will show you a big long list of all the files that are …
PeterThe command line is great. When you know how to use it properly, it can be the fastest way to achieve a task and it is endlessly extensible.
The problem is, commands and their syntax can be really tricky to remember. Sometimes you just can't remember what a particular switch does, or what switch you need to perform a particular task. My common one until recently was always forgetting which …
PeterIn no particular order, let's take a quick look at some free/open source software that you are very likely to use (even if indirectly) every single day, and you don't even realise exists.
Of course, if you're a geek (or just have some knowledge of this kind of stuff), you might know about some, or all, of these applications, but still, it's easy to take some of these gems for …
PeterThis is going to be what's know as a fundamentals post. Today I'm going to look at an important concept, and explain it so that we can use that knowledge later. We won't necessarily do anything with practical utility with it this time round, we're mostly laying framework for future posts.
In this first fundamentals post, I'm going to take a look at dotfiles.
Under most operating systems which act …