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Category Archives: Linux
Nov '10
08
Backup Linux Box
When creating a second Backup box, install minimal system, use the dpkg –get/set-selctions and apt-get dselect-upgrade use cp -a to copy the following folders/files; NOTE: Avoid copying the whole folder, as fstab / passwd / udev etc. may be different … Continue reading
Sep '10
29
Backporting Ubuntu packages
I needed to backport squid to an older version of Ubuntu (Hardy), he’ere the proceedure with pbuilder. sudo apt-get install pbuilder debootstrap devscripts fakeroot po4a sudo apt-get install  build-essential libldap2-dev libdb-dev sharutils dpatch cdbs libsasl2-dev debhelper libcppunit-dev libkrb5-dev comerr-dev (may … Continue reading
Sep '10
12
Ubuntu Boot Issues
After upgrading my Raid1 disks for a larger capacity, I ran into some boot problems, so here’s some notes for next time: Ubuntu Alternate install USB boot is great for booting into a rescue environment. Create a Multiboot USB key … Continue reading
Jun '10
29
PyconAu 2010
Went to the first PyconAu 2010 conference on the weekend, there was some interesting stuff there that i’ll list below import future – threading with worker limits iPad game called Halogen Infinate 8bit plat-former – source at bzr repository Cocos2d – … Continue reading
Jun '10
03
Virtual Mail server with SSL
There is a good Ubuntu guide on settings up a Virtual mail server with a MySQL backend. IÂ have ordered a SSL certificate from ServerTastic cheap at $12 p/y, has some good instructions. UPDATE: I’ve installed my Certificate and its … Continue reading
May '10
15
New WD green drives and 4k (4096) block sizes
Rossco pointed out to me that the new 4k blocks on WD green drives can cause performance issues. I also found reference to it in Ubuntu 10.04 release notes ( search for Partition alignment ), and refer to this bug. … Continue reading
Apr '10
15
SSH and port forwarding
I seem to forget every time i use ssh for port forwarding which side goes where in the syntax, so to make it easy here it is. Forward a local port to a remote port at the far end, ie: … Continue reading
Mar '10
23
iptables (updated)
Been working on iptables again, found a good guide to some recent changes. Also need to look at trying out Ulogd2 which supports the NFLOG interface, and a nice front-end NuLog Also of a worthy note is NuFW