Dell Open Manage Server Administrator (OMSA) and Slackware 12.0 
I've been working on getting a stack of Dell PowerEdge 1750's up and running for the past month or two and kept running into snags getting OMSA working under Slackware. There seem to be very little resources online in regards to Slackware and Dell OMSA, or the few things Google dredged up were rather out of date.

In any case I did find this early on and had some success with it under Slackware 12: ... ributions/

However I didn't really like the idea of have to bootstrap another flavor of linux just to get OMSA working, I wanted OMSA to run natively on Slackware. It turns out the solution was actually very simple, and appeared to work with several different versions of OMSA (5.x at least). Just download the RPM's from Dells repo:

And install them with the RPM tool, even though Slackware doesn't use RPM for any of its packages, it does include the tool to start your own or install other packages. Converting these packages to Slackware format with the rpm2tgz tool doesn't work since it seems the RPM have 'scriptlets' that perform pre- and post- functions, which get lost or otherwise didn't seem to work for me when converting them to tgz packages , but I didn't dig much into that since installing with rpm worked fine with one caveat, you must use the --no-deps parameter to get them to install. This is due to the lack of an rpm database within Slackware, even though the various dependency programs do exist, according to the rpm database (which is empty) they don't. You also have to install the packages in the correct order as they depend on each other. I just had to install the deng package first, then went on to omacore and omilcore and so on.

In order to login to the OMSA web interface that runs on port 1311, you need to install the Linux PAM package as well, you can get that from:

compile and install that, then you'll need to create a file at /etc/pam.d/omauth with the following contents:

# The PAM configuration file for the `omauth' service
auth required nullok
auth required
account required nullok

That will allow the OMSA service to use pam to authenticate the weblogin form against the local unix accounts, there are probably fancier ways to do it but this worked for me.

There may be a few other things I'm missing off the top of my head as I don't have any written notes on the process, which is why I created this blog to help document it so hopefully others may find it if they're curious about Slackware and OMSA.

Apart from the obvious kernel config, which is pretty straightforward as the storage drivers are in the standard kernel, it was pretty easy to get working once I just used the native RPMs. Installing the OMSA rpm packages will put the startup scripts in /etc/init.d, which Slackware 12 and newer now use as well (which comes in handy for compatibility across distributions).

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