I wanted to add scponly to Tempest, so it’ll be ready to handle scp/sftp. Ideally, I’d like to load it from RedHat or something like EPEL. I looked in yum for scponly and got the following hit: [root@tempest ~]# yum … Continue reading
Lyn reported that he couldn’t login to the cs117 account and it seems that the password database entries are missing: Something is wrong with account cs117. I tried from root to su to cs117, and was told it doesn’t exist. … Continue reading
Saving a web page to a client (say, Sampras), and then going to cs.wellesley.edu and refreshing the page often fails to get the new files, because of NFS delays. I think the saving is nearly instantaneous I think this is … Continue reading
I needed to install a PEAR package. (PEAR is an internet-based repository of PHP packages.) The installation command failed: # pear install Mail_Mime pear/Mail_Mime requires PEAR Installer (version >= 1.6.0), installed version is 1.4.9 I tried several ways of upgrading … Continue reading
I tried to install scipy and gensim on Tempest for Eni and Jacque and it wasn’t in yum. I added the EPEL repository (see other post and info on EPEL), and that located scipy with yum, but the installation failed … Continue reading
A student team wants to use CAS (Central Authorization System) for their mobile web app. Installation isn’t trivial: 1. The correct version of the Apache module needs to be installed and some configuration files/directories modified. 2. Before that, we have … Continue reading
When I tried to start denyhosts on tempest, it failed like this: # service denyhosts start Starting denyhosts: Error reading file: /etc/denyhosts.conf [Errno 2] No such file or directory: ‘/etc/denyhosts.conf’ [FAILED] I found that we do have a configuration file … Continue reading
I just asked Tim to put Tempest in the DMZ, making it accessible from off-campus. I’m still working on getting denyhosts working on it. I’ve also created a page to explain what that last paragraph means. See it in the … Continue reading
As System Administrators for the Wellesley Computer Science Department, we have certain responsibilities. The full “oath of office” is the https://lopsa.org/CodeOfEthics. As sysadmins, we have a great deal of power, and as Spiderman knows, “with great power comes great responsibility.” … Continue reading