Category Archives: Linux

IPv6 and Shartak

Over the last couple of weeks I’ve been trying to figure out IPv6. Having worked through some of the IPv6 certification at http://ipv6.he.net/ I now have an IPv6 enabled web server and mail server as well as IPv6 connectivity at … Continue reading

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ip6tables and CentOS 5.6

Having just recently obtained an IPv6 address for my server, I figured it would be a good idea to setup a firewall on the IPv6 address. Although most services are bound to the main IPv4 address only, it doesn’t hurt … Continue reading

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Compiling on a 64 bit Linux

I’m currently in the process of upgrading my old server to a nice new 64 bit CentOS 5 install and came across a few issues rebuilding some of the packages. In general I try not to use customised versions of … Continue reading

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Upgrading CentOS4 to CentOS5 – rpm error

After a recent upgrade of a server from CentOS 4.4 to 5.1 using yum, I ran into a bit of a problem with rpm. Pretty much any rpm command would result in the following error: rpmdb: Program version 4.3 doesn’t … Continue reading

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SMF and the case of the missing pound signs

I’ve been helping a friend setup a new forum using Simple Machines Forum (SMF) and even though it worked fine on a previous installation I’d done, the pound signs (UK currency, not a #) just wouldn’t show up as anything … Continue reading

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yum reports bad marshal data

I’ve been trying to check for updates on one of my CentOS machines using yum and got the following error. root:~# yum upgrade Loading “installonlyn” plugin Options Error: bad marshal data

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Using vmware server console on Mac OSX

Just recently I’ve been experimenting with VMWare Server on a Linux host and although it’s easy enough to use the console to manage it from a Windows PC, I normally only have my aging PowerBook to hand. Since there’s no … Continue reading

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MySQL bug (followup)

As a followup to my previous MySQL bug post, I tried PostgreSQL and didn’t like it all that much. I found there was too much of a learning curve for someone who’s only really used MySQL to any great extent. … Continue reading

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MySQL bug

It seems that in gaining over 100,000 players, Kevan’s Urban Dead game has managed to find a bug in MySQL that causes corruption of indexes. Unfortunately no-one at MySQL AB is able to replicate the bug so it can’t be … Continue reading

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iChat AV through Linux NAT

This assumes the following conditions: * the Linux gateway is forwards all outgoing traffic after rewriting the source address as the external IP (i.e NAT) * the incoming policy is to drop all packets unless they’re related to an existing … Continue reading

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