George Hotz, along with a team of hackers have come up with a method to break the chains binding the iPhone to AT&T, allowing it to be used with any carrier. The complete method can be found here on George’s blog. It does take some soldering skills and a bit of familiarity with UNIX and [...]
For some reason that is a complete mystery to me, RHEL does not give you the link status when you run # ifconfig -a. This makes it incredibly hard to debug link integrity issues! Buried amongst all of Red Hat’s proprietary commands, however, is a utility called ethtool, which does give you the status of [...]
If you manage a UNIX system with a large number of directories that vary in size, chances are that you’ve needed to figure out which ones are using up the most disk space. Of course if the directories are user accounts, the best way to do this is to enable quotas and use the “repquota” [...]
