A while ago, we got a note from Lyn saying that he had detected some inconsistencies in the groups on Puma and Tempest, and he claimed responsibility for some of them: On tempest, the last few entries of /etc/group are: … Continue reading
Note: this blogpost contains notes on several scripts, and is for reference for current or future student sysadmins so that Prof. Anderson won’t have to reexplain these scripts. “useradd fbaggins” will add files to /etc/passwd and /etc/group, which are “flat” … Continue reading
I’m again trying to get LDAP to work, instead of having to copy around flat files. Today I used authconfig –savebackup=name which writes out a directory in /var/lib/authconfig/name of all the files involved with authentication. I did that on both … Continue reading
I’m working on installing Prolog on the linux machines for Eni’s class use. I was following the instructions from http://www.swi-prolog.org/build/Redhat.html . I skipped the dependencies part because it seemed like we already had most of those packages, maybe I’ll go … Continue reading
When a student signs up for 230, she may already have a server account (if she took cs111) or not (if she placed out of cs111). Thus, they fill out a form that asks whether the account exists or not. … Continue reading
The goal here is to get our PHP scripts from Puma working on Tempest. We want the PHP modules on Tempest to duplicate those on Puma, so that all the PHP scripts will run correctly. We also need to check … Continue reading
As we transition from Puma being the department’s web server to Tempest, I think it makes sense to put content in /home, since that’s mounted on both machines, rather than in /var/www/, which is local to each machine. I copied … Continue reading
Our main servers are running older versions of Python, which is good and stable for the server, but may not be what users want. In this post, I’m installing another version of Python, specifically 2.7. Since it’s not the standard … Continue reading
I think it makes sense to set up a local mirror/repository for CentOS packages, at least for our workstations. I’m following the directions here, which seem to be quite clear: http://wiki.centos.org/HowTos/CreateLocalMirror. We can later investigate the option of doing a … Continue reading
Since the CS department website is migrating to Drupal, we have to set up a bunch of re-directs. Why? Because people may have bookmarked pages or otherwise recorded the obsolete URLs to our old site, and we want them to … Continue reading