From the monthly archives: April 2010

VirtualBox Guest Additions – Redhat / CentOS

By On April 30, 2010 · Leave a Comment

Mount VirtualBox Additions disk through the VirtualBox UI.

yum install -y gcc kernel-devel-`uname -r` mkdir /mnt/cdrom mount -o ro -t iso9660 /dev/cdrom /mnt/cdrom sh /mnt/cdrom/VBoxLinuxAdditions-amd64.run

Info found on tuxtraining.com

Continue Reading →

Remove File From Git History

By On April 30, 2010 · Leave a Comment

Useful stuff.

git filter-branch -f –index-filter ‘git update-index –remove filename’ HEAD git push –force –verbose –dry-run git push –force

Slight better version. Only rewrites history from the first commit the file existed.

git filter-branch -f –index-filter ‘git update-index –remove filename’ ..HEAD git push –force –verbose –dry-run git push –force

Found on github.

Continue Reading →

Puppet Stand Alone – Templates, Configs

By On April 29, 2010 · 1 Comment

I’m working on getting all our servers standardized with puppet to minimize installation and maintenance hassle. Pretty exciting.

I’m setting all this up with puppet standalone. I don’t think we really gain anything by using the daemons, so it’s just a simple call to

puppet site.pp -v

And the changes are applied.

I ran [...]

Continue Reading →

Mount afp share over command line

By On April 29, 2010 · 2 Comments

This is so useful to me that I have to repost it here, just in case it disappears.

# create a folder for the mount point sudo mkdir /Volumes/music # mount the disk mount -t afp afp:/// /Volumes/music/ #refresh the finder for when you get back disktool -r # when you’re done sudo umount /Volumes/music [...]

Continue Reading →

Python Module Docs

By On April 27, 2010 · Leave a Comment

I’ve been trying to get into Python in my spare time, since it’s got such a huge volume of modules and looks like it should be easy to be ripping it up in no time. But of course, I have my complaints.

Fortunately I don’t need to write a long blog post, this guy [...]

Continue Reading →

MacBook Air Conclusion

By On April 20, 2010 · Leave a Comment

I made a post back in December regarding my MacBook Air and a battery life issue.

About 2 weeks ago, I brought the Air back to the Apple store again, despite being completely shot down the first time. I had a 12:30 appointment, got there right at 12:30, but no one talked [...]

Continue Reading →

Bash Quick Tip – Subshells

By On April 15, 2010 · 1 Comment

When you’re in a shell, and you want to do 1 or 2 commands in another brand new shell, but don’t feel like opening a new window, try using a subshell.

Here’s an example:

~ jhaddad$ pwd /Users/jhaddad ~ jhaddad$ ( cd /tmp/; touch bacon.txt ) ~ jhaddad$ pwd /Users/jhaddad ~ jhaddad$ ls [...]

Continue Reading →