Category Archives: Linux

Nov '10 08

Backup Linux Box

by Brin in Computer, Linux | Comments Off on 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

by Brin in Computer, Linux | Comments Off on 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

by Brin in Linux | Comments Off on 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

by Brin in Computer, Conference, Linux | Comments Off on 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

by Brin in Computer, Linux | Comments Off on Virtual Mail server with SSL

There is a good Ubuntu guide on settings up a Virtual mail server with a MySQL backend. I  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

by Brin in Computer, Linux | Comments Off on 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

by Brin in Computer, Linux, Windows | Comments Off on 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)

by Brin in Computer, Linux | Comments Off on 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