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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…

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…

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No Cursor in Ubuntu 11.04 with a Legacy…

I tried to revive an old laptop by installing Ubuntu on it. I first tried Lubuntu, a lightweight distro of Ubuntu. The installation ran smoothly. However, when the system came up, the cursor was gone.…