Monthly Archives: April 2007

Logwatch Iptables Tweak

Posted on April 30, 2007 by Jethro Carr

Logwatch is a great program, used by sysadmins everywhere. As part of it’s output, it shows any packets logged by iptables. I have iptables set to log dropped packets, as it makes it FAR easier to debug server access issues. … Continue reading →

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Smokeping Arch Converter

Posted on April 30, 2007 by Jethro Carr

If you use smokeping and need to move your data from one computer to another with a different architecture, please check out my Smokeping Arch Converter.

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Jedo Linux Status Report

Posted on April 27, 2007 by Jethro Carr

Well, time for another status report I think…. Development is a bit stalled at a moment, which is mostly culprit of all the work I’m putting into getting my business started. I have the base built and tweaked, but I … Continue reading →

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RHEL 4 Security Report

Posted on April 26, 2007 by Jethro Carr

Redhat have released an interesting report into the security risks associated with Redhat Enterprise Linux 4 over the past 2 years. It’s interesting to notice that almost all of the critical flaws were with GUI-based applications (in particular Mozilla products), … Continue reading →

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CentOS/RHEL 5 Notes

Posted on April 26, 2007 by Jethro Carr

CentOS 5 has been out for about a week now, and in this time I’ve installed 3 new servers with it – one i386 and two x86_64. Again, the CentOS developers have done an excellent job of rebuilding Redhat’s SRPMs, … Continue reading →

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vi vs vim on CentOS/RHEL

Posted on April 26, 2007 by Jethro Carr

Here’s a useful tip for CentOS/RHEL (and possibly other distros) – by default, a lightweight version of vim is installed to /bin/vi, which is enough to get basic administration done, but doesn’t have a lot of useful features, like being … Continue reading →

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OpenSSH Chroot Jail Script

Posted on April 12, 2007 by Jethro Carr

Recently I configured a server for a client, which uses chrootssh to provide locked down access to various SSH users. In the process, I wrote a little script to make it a bit easier to setup the chroot directories, and … Continue reading →

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Amberdms Ltd Launched

Posted on April 4, 2007 by Jethro Carr

Today, I’m pleased to announce the formation of my new company, Amberdms Ltd. This is where a lot of my free time has been going lately (and will do for quite a while…) I’m still working at Prophecy Networks full … Continue reading →

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Google TiSP

Posted on April 3, 2007 by Jethro Carr

Finally! A truly brilliant internet solution that can be installed by anyone, and eliminates the need for expensive infrastructure construction. Introducing Google TiSP This is clearly an ideal replacement for New Zealand’s bad broadband offerings! ;-)

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Forward Errors

Posted on April 3, 2007 by Jethro Carr

Ever seen anything like this in your logs? /home/username/.forward.hostname: Group writable directory: 675 Time(s) /home/username/.forward: Group writable directory: 675 Time(s) The problem is caused if you have a mailserver setup, it looks in your home directory for a forward file. … Continue reading →

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