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How to Setup AFP Service on Scientific Linux…

I setup Samba service for a group of Mac users for file sharing. After a couple of months, the users are not satisfied with the performance and constant problems with permissions. I then setup AFP…

How to Install Numpy and Scipy on Rocks…

I recently installed Numpy and Scipy on a cluster built with Rocks 6.1.1. The guide I used was based upon this wiki page. Python was installed under this directory: /share/apps/python . Here are the steps…

How to Override Group ID for LDAP in…

I recently set up a Linux server with LDAP user information. The group id (gid) from LDAP is not useful on this server. It took me a while to figure out how to override the…

How to Enable Debug Logging on CentOS 6.5

I have been doing a lot of works on machines running CentOS 6.5 lately. The debug logging was not enabled by default. Here is how to enable it. Use a text editor to edit this…

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NFS and Nobody

I just finished setting up a Linux machine that runs Scientific Linux 6. After testing it for a few days, I rolled it out for my users to use. A user later reported a strange…

Automatic DNS Registration for Samba Server on Linux

I configured our Linux servers to offer Samba service. The Samba servers were joined to our Active Directory, so that users could use the Windows machines to access the Samba servers without authentication. This worked…