On my lab machines I use a pair of physical disks, configured in a RAID 1 with MD, with LVM on top of that. This gives me a lot of flexibility with full redundancy. However recently I had a failure of a drive. Identify the Failure Here is what MD…
Bash: Dynamic Volume Group Mounter
This is similar, but an enhanced version of my custom_mount.sh previously published here: Bash: Automatically Mount File Systems on Volume Group if Present. This previous version was just a simple init script. This updated version is designed for newer Linux distributions that use Systemd instead of Init. The Code The majority…
Fedora 20: Use PPTP VPN
I have had this one in the queue for a while (I don’t even run of Fedora 20 anymore). This one will be short and sweet, because there really isn’t a bunch of discussion that needs to go into it. By default Fedora 20 will block outbound PPTP VPN connections.…
Fedora 20: Firefox Reports Flash as Vulnerable
This problem starts with Firefox reporting that your flash-plugin is out of date. This report looks like this and disables all flash. After this we will take a look Mozilla’s Plugin Check to see what it thinks is going on. Now here we can see that version 11.2.202.440 is vulnerable. …
Linux KVM: Bridging a Bond on CentOS 6.5
Today we are going to hop back into the KVM fray, and take a look at using CentOS as a hypervisor., and configuring very resilient network connections to support our guests. Of course these instructions should be valid on Red Hat Linux and Oracle Linux as well, though there is…