Fork me on GitHub

WiFi tether for Droid

My Motorola Droid (purchased on November 10th, 2009, 4 days after the release) is still running Android 2.0.1. I guess this is somewhat out of laziness - I love the Incredible and its new (and more refined) Android version and UI, but my phone is rooted. I’m ...

more ...

New MacBook Pro; Dual boot with Linux

So in the first bit of good news lately, after four years as a part-timer, this Monday I start my full-time position at Rutgers as a Linux SysAdmin. Not really anything different - same office, same work, just another day a week and a pay bump (plus benefits and all that ...

more ...

Xen/Etherboot and DHCP Problems

Well, I’ve spend the better part of the last week or so debugging a problem with out new Xen VMs (on one host) not getting DHCP leases. Since our DHCP servers (ISC DHCPd 3.0.6) are using Brian Masney’s LDAP patch (which has recently been included in ...

more ...

DHCP Debugging and Handy TCPdump filters

Recently at $WORK we’ve been having some strange issues with a particular Xen VM not getting DHCP. Traditional (tail -f dhcpd.log) debugging hasn’t turned up much, other than the server is getting the DISCOVER but not sending out an OFFER. I’ve turned to packet captures to ...

more ...

Apache catchall vhost

As mentioned in one of my recent posts, I occasionally have to setup catchall pages in Apache. The general idea is usually that I either want a vhost that serves one page for any conceivable request, or that I moved something and want to alert the visitor, but provide a ...

more ...


Syslog from KickStart / Anaconda

Yesterday I was installing a new machine at $WORK, and we’d been having some spotty problems with Anaconda not being able to find RPMs in a specific repository. As a result, I was standing in the machine room at a cart-mounted console, watching the output of the installation. Just ...

more ...

Thunderbird SSL “Domain Name Mismatch”

Some of my servers that are only for internal/personal use have SSL certs with a mismatched hostname. The cert for my mail server is issued for the CNAME used for my mail server, not the actual hostname. Of course, this means that Thunderbird gives me some annoying errors because ...

more ...

Apache2 - list Name-Based Virtual Hosts

Here’s a little tidbit that I never knew until I had an Apache2 name-based virtual host problem: httpd -S lists the vhosts that are being served by Apache, and how they were parsed from the config files.

The output on one of my servers looks something like:

[root@web2 ...
more ...