Linux - Part 30

Posts Tagged ‘Linux’

Alias command in Linux

posted on November 4, 2007 in Linux with 9 Comments

The alias command is used to create shortcuts to commands. Let’s see how it works. I use the alias command to create shortcuts for commands I use frequently. For example the cp(copy) and mv(move) commands, my alias simply adds -i to cp and mv commands causing them to be interactive thus preventing any accidental deletes [...]

Users, Shutdowns and Reboots

posted on October 24, 2007 in Linux with 3 Comments

The “last” command. Not many people I know use it but there are a quite a few things one could do with it often. Let’s look at users, shutdowns and reboots. The “last or lastb” command is typically used to show a listing of the last logged in/out users. To view when a particular user [...]

Running previous commands in Linux

posted on October 18, 2007 in Linux with 7 Comments

Most non linux people tend to be taunted by the Linux command line, it’s no beast nor is the user behind it a super geek just because you see him hammering away at the keyboard with lines after lines of commands. Chances are he is repeating commands or changing commands here and there to get [...]

/usr/local/bin/oinkmaster.pl: Error: the output directory “/etc/snort/rules” isn’t writable by you.

posted on September 29, 2007 in Linux with 0 Comments

I recently upgrade my IPCop to version 1.4.16 but my Snort (Intrusion Detection System) failed to load the latest rules set. The install logs revealed the error below. /usr/local/bin/oinkmaster.pl: Error: the output directory “/etc/snort/rules” isn’t writable by you. The fix was simple. simply change the permission for the “/etc/snort/rules” folder so that the owner is [...]

How to enable DMA in Linux

posted on September 21, 2007 in Linux with 0 Comments

While loading K3b to burn a DVD earlier today I received a warning that my DMA support had been turned off and write speeds would be slow. DMA is normally enabled by default, provided the disk supports it and is handled by the OS. What is DMA? DMA (Direct Memory Access) is the mechanism which [...]

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