Since this setup automatically creates a home directory for a user as soon as they access the machine (via samba, ssh, console), I noticed some directories being created for computer accounts.  To prevent this,  I have added a line that only "Domain Users" are allowed to authenticate.  To add this …

Installing Open Virtual Machine Tools is a nice alternative to managing and installing the vmware tools package that comes with Vmware's hypervisor products.  It allows you to use APT to manage all the dependencies and updates. Module assistant will recompile the kernel modules for you automatically when you update kernels …

Tar can redirect extracted files to a different folder. This can be handy if you want to unpack a tar archive stored on a cd or other read-only media and want to eliminate the step of first copying the archive, extracting it, then deleting the extra tar.  All you have …

I love Brasero. It's simple, lightweight, and comes with Ubuntu. Recently, when I wanted to back up a disk, ISO was not on the list of formats. As is usual, the issue was a missing package: brasero-cdrkit.

apt-get install brasero-cdrkit

Now, .ISO (ISO9960) will be an available disk format for …

Flexlm license usage can be a hard thing to accurately measure and monitor. Luckily, the output from lmutil can be used to display license usage. First thing to do is locate the lmutil binary and try to get it to run. I use Flexlm for autodesk on Windows and ESRI …

After upgrading to a windows 7 VM at work, I was having trouble getting pstools commands to authenticate on remote machines. After much trial and error, I realized some curious behaviour with psexec. Obviously, when connecting to a remote machine, I would try to use the '-u' switch to specify …

I was running ntpd locally on a server and wanted to check in on ntpd's status. ntpq -p was not producing any output even though ntpd was running.

# ntpq -p
localhost: timed out, nothing received
***Request timed out

This is because I had the option "restrict default ignore" set in …

While Deleting to delete a snapshot, i typed:

zpool destroy zfsdiskpool@Sat

and got:

cannot open 'zfsdiskpool@Sat': invalid character '@' in pool name

This is because to delete snapshots in ZFS, you should use 'zfs destroy' instead of 'zpool destroy'. DOH!

zfs destroy zfsdiskpool@Sat

Handbrake is a fantastic tool for (among other uses), converting videos into mobile formats. It is extremely easy to use and can usually get a video properly converted in just a few clicks. To get Videos encoded for use on my phone, I use the "iPhone & iPod Touch" preset. It …

I was bored... So this is a little bash script i wrote that will write zero's to a hard disk infinately until you press CTRL+C. It uses dcfldd instead of plain dd because i like the progress output it provides.

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