Category > Work

List all installed RPMs by size

rpm -q -a –qf “%10{SIZE}\t%{NAME}\n” | sort -k1,1n

Continue reading

ipv6 is starting to see some actual usage

brandon-mbpro:~ brandon$ host more.net more.net has address 198.209.253.10 more.net has IPv6 address 2610:e0:1:50:198:209:253:168 more.net mail is handled by 5 smtp.more.net. MARK – this is the 1st time I have seen a hostname resolve to an ipv6 address out in the real world.

Continue reading

Sometimes things that are alright just look so wrong.

Continue reading

ZFS in practice – verifying transparent compression -

I had read about the transparent compression that zfs offers. I wanted to verify it so I did, and sent my results off. As we all know no experiment is valid unless verifiable. I wanted be sure that the transparent compression was actually working so I set up a sample zfs volume and purposefully made [...]

Continue reading

Stateless Linux How To:

Stateless Linux sounds like a great idea for those of us that have many systems with similar configurations to manage. If you have never heard of the idea RTFM. I have stateless linux almost working here at my house. Here are the steps that I followed thus far. on server system: yum -y install cobbler [...]

Continue reading


Who needs an ipkvm?

I figured out how to remotely power cycle the two poweredge 850′s I have remotely. I used dells ipmitool rpms and a little help from the internet. 1. Install the rpms 2. load the needed modules modprobe ipmi_si modprobe ipmi_devintf 3. configure the network, and auth as seen here 4. test xxxx

Continue reading

I made a liboggz installer for OS 10.5

Here. This includes the oggzrip utility. Maybe later I’ll give instructions for compiling things you intend to turn into packages. If I feel like it that is; biatches.

Continue reading

Go splunk yourself.

Splunk is google for logfiles. Even the free license is all I would ever need with syslog configured properly on each server.

Continue reading

Remember to look into latencytop

It seems like a quick way to diagnose system performance problems. Link.

Continue reading

Remember to use iperf

To measure bandwidth between two points. Link.

Continue reading

prev posts