Some tricks covered in the article include: using passwordless, key-based login; setting up local per-host configurations; exporting a local service through a firewall; accessing a remote service through a firewall; setting up a SOCKS proxy for Firefox; executing commands remotely from scripts; transfering files to/from remote machines; mounting a filesystem through SSH; and triggering admin [...]

“In the early days computers were much simpler. The various components of a system, such as the CPU, memory, mass storage, and network interfaces, were developed together and, as a result, were quite balanced in their performance. For example, the memory and network interfaces were not (much) faster than the CPU at providing data. This [...]

& – This causes the application to run in the background. You will get a new shell prompt after issuing this command. nohup and disown – Both of these prevent SIGHUP (hangup) signals so the application isn’t killed when the terminal session is closed. nohup does this when the job starts. disown can be used [...]

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Now here is a good article (mainly for Unix beginners) that outlines some of the most useful basic Unix commands available.  Read the article here: Unix Command Line Fu (via kresimirbojcic.com). The article covers commands such as: cut, grep, sort, uniq, cat, tac, join, tail, head, etc. It also tells you a bit about how [...]

The following quoted text is an excerpt from the article “Awesome but often unknown Linux commands and tools (anchor.com.au)” which I found really useful! There are quite a few lesser-known Linux/Unix commands that can prove to be extremely useful. This quoted text outlines just a few of these, but there are many more out there… [...]

I do quite a bit of Linux/Unix systems administrator on a day-to-day basis. Over time you sort of find out that there are quite a few ‘common traits’ that apply to your usual set of Unix admins. Some examples: the use of Vi, use of Perl, restrained use of sudo, etc. I found a list [...]

I’ve been messing around with rsync lately on one of my linux machines. I’ve been looking for a simple solution that would provide something similar to Apple’s Time Machine software. There are obviously some open source packages that could provide this functionality for me, but I just wanted something really simple that could be automated. [...]