Posts Tagged common tools
CPAN RPMs in RHEL / CentOS : generation, conflict, and solutions
Hello all ! Today we’re going to take a look at a somewhat obscure problem that – once encountered – can cause nothing but headaches for a system administrator. The problem relates to conflicts in CPAN RPM packages, and what can be done to work around the issue. If you’ve made it this far, i’m [...]
how to deal with broken time zones during a CentOS 5.3 kickstart
Hello again fair readers ! Today’s quick tip concerns the problem with missing time zones when deploying CentOS 5.3 (and some of the more recent Fedoras) in a kickstart environment. It’s a known problem, and unfortunately, since the source of the problem (an incomplete time zone data file) lies deep in the heart of the [...]
where to specify ethtool options in Fedora
Hi everybody – here’s a super-quick update for you concerning « ethtool », and how to use it to set options in Fedora properly. Ethtool is a great little tool that can be used to configure all manner of network interface related settings – notably the speed and duplex of a card – on the [...]
pohmelfs pt. 2, return of pohmelfs !
Hello again fair readers. Today i’m going to re-visit POHMELFS, which i introduced in an earlier blog post. I received a comment on that post which basically asked for more information on some of the more interesting (read : advanced) features of POHMELFS, such as distributed storage, and the like. Well, today is the day [...]
setting the from address in GNU mail
Today i’m going to address a question that comes up again and again on the various Linux help forums and mailing lists (in one form or another) : « How do i set the From address when using mail ? » Of course, « mail » in this case refers to that most basic of [...]
force disk geometry with sfdisk
Hello again ! This is a quick and dirty update which covers a handy little trick when dealing with writeable removable media – especially USB drives, compact flash cards, and the like. I end up using a lot of USB keys in my environment for a variety of reasons, not the least of which is [...]
pohmelfs – the network filesystem of the future !
Hello again fair readers ! Today we’re going to take a look at POHMELFS, which is a network file system that was just recently integrated into the Linux kernel. This is an excellent exercise for three reasons : we’ll learn about some great new concepts related to network file systems, we get to compile and [...]
initrd, modules, and tools
An explanation of initrd, how modules live within it, and an example of how it can be modified on a Fedora-based system. Contains supplementary information about gzip, tar, and cpio.