Waiting for networking using PowerShell
I've recently been exploring the world of Windows scripting, and I ran into a small problem: I was running a script at system startup, and the script was running before the network interface (which was using DHCP) was configured.
There are a number of common solutions proposed to this problem …read more
Growing a filesystem on a virtual disk
Occasionally we will deploy a virtual instance into our KVM infrastructure and realize after the fact that we need more local disk space available. This is the process we use to expand the disk image. This process assumes the following:
- You're using legacy disk partitions. The process for LVM is …
Parsing XML with Awk
Recently, changes from the xmlgawk project have been integrated into GNU awk, and xmlgawk has been renamed to gawkextlib. With both a recent (post-4.0.70) gawk and gawkextlib built and installed correctly, you can write simple XML parsing scripts using gawk.
For example, let's say you would like to …read more
Markdown in your Email
I really like Markdown, a minimal markup language designed to be readable as plain text that can be rendered into structurally valid HTML. Markdown is already used on sites such as GitHub and all the StackExchange sites.
I use Markdown often enough that it's become ingrained in my fingers, to …read more
Chasing OpenStack idle connection timeouts
The original problem
In order to gather some data on the problem, I ran the following simple test: