How I got my StartSSL certificates to work with Thunderbird
Short version (During a brief period where I used StartSSL for my SSL certs…) Had a problem with my mail server. Thunderbird was not accepting the Class 1 cert I got from StartCom. To...
Author: rbc
How to install VMware tools in CentOS 5 or 6
1. Install the repo Actually before you set up the repo, you need the public keys: # rpm –import https://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-DSA-KEY.pub # rpm –import https://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-RSA-KEY.pub Then you can set up the repo by hand or...
How to setup EPEL repos on CentOS
If you’re wanting packages from the EPEL repos that are available to RHEL installations, it’s a simple thing to get them. You can start at the main Fedora repository for EPEL, and work your...
The time I tried compiling an RPM for syslog-ng
Introduction Had a client for whom I wanted to install syslog-ng. I’ve never worked with it before, but had read that it can log to a MySQL database. The project at hand seemed like...
How I installed WordPress 3.4.2 on CentOS 5.8
Had a real adventure getting a WordPress site going on a CentOS 5.8 LAMP server. It came down to two major areas: packages and permissions. Packages I asked the hosting provider to install pretty...
RHEL, biosdevname, cobbler
I would include more links, etc., but I’m writing this in a bit of a rush. It is well-documented that Dell and Red Hat decided to modify how Linux names network devices, starting with...
“The Red Hat Enterprise Linux installation tree in that directory does not seem to match your boot media”
In working with Red Hat Satellite Server 5.4.1, we had a problem with Dell PowerEdge R720 servers. When we kickstarted those systems to RHEL 5.7, using DHCP, the Tigon3 NIC would flap at the...
Moving a Postfix virtual user’s mail to a new address
A user was on too many spam lists and wanted a new mailbox. He had removed all the spam, and wanted all the existing messages moved over. The hosting server runs Postfix in a...
Send a simple message from the command-line
Need to send yourself or someone else a quick email from the Linux command-line? Use mutt. First I compose the message in a file, e.g. msg.txt. Then cat it, and invoke mutt. The example...