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LinuxBackups!There's some various things that I've wanted to have backed up in a reasonable fashion for awhile now. For awhile, I was just backing up stuff to a different machine, but I ran out of space, and ended up deleting my backups. Earlier this week, I found that Amazon S3 has reasonable pricing for storage. Using multiple front-ends in MythTVOver the weekend, I set up my eee to operate as a second front-end for MythTV. This will allow me to watch TV in my bedroom on my eee, which is hooked up to a 19" display. The eee is a bit slow doing some things, frustratingly slow on occasion, but overall, it works fine. It's certainly usable. Using Gmail as a smart hostMany ISP's these days block outbound SMTP (port 25) from their networks. However, they generally don't block higher ports that are used for encrypted SMTP (port 587). I came across this document that outlines how to set up postfix so you can relay through Gmail's SMTP. It seems to work pretty well, but you manually have to add the cert's for Gmail's SSL sertificate. On Ubuntu, do the following: apt-get install ca-certificates Subsonic on Ubuntu GutsySome guys at work were using Jinzora to manage their music collections at home. I tried it out, but found that it was really really buggy and it really didn't like how I have my web server set up at home (Special port + NAT + SSL). Another co-worker found Subsonic, which does basically the same thing, but in a much better way. The biggest downside to Subsonic is that it's java-based, but, that's not that big of a deal. IP Load Balancing with RHEL 5If you run most any type of services in a production environment, chances are, you want some sort of redundancy and load balancing. As an example, if you're running a web site, you want that to be up as much as possible, so generally a load balancer is used to send the load between different web servers. A common load balancer used is a big-ip F5. These have a great configuration tool and work very well, but they're also very expensive.
Running Virtualized VMware Virtual InfrastructureI've been beginning to work on a VMware Virtual Infrastructure project for work lately. Our current installations are pseudo-production, so it's limited as to how much I can mess around with them. I'd read that one of the downsides to VMware workstation 6.5 betas is that it won't run ESX anymore, which led me to consider running Virtual Infrastructure in Workstation to do some testing on things like the DR features and whatnot. Adding a simple GUI to the console in LinuxThere's probably a lot of scenarios in general Unix administration wherein you'd like to create a simple GUI for people to do tasks. This way you can give non-technical people the ability to do things like check printer queues or do add users or whatever. Obviously, writing a shell script with regular text output is one option, but the 'dialog' tool is another.
Neat Trick, aka autofsOne of the things I learned about in my RHCE training was the autofs capabilities in Linux. I'd never used them before, and found they're pretty neat. Consider the following:
-{ conrad@conrad-laptop }---{ 07:30 PM }-
-[ ~ ]-> df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 32993140 3939496 27377664 13% /
varrun 1037908 128 1037780 1% /var/run
varlock 1037908 0 1037908 0% /var/lock
udev 1037908 84 1037824 1% /dev
Yay!Yay! The 2.3 release candidate came out! You can grab it here if you choose. And know what to do with a window manager. MythTVI've had a MythTV setup for about a year and a half now. I originally installed MythTV on Ubuntu 6.10, and had a fair amount of difficulty getting it set up to work properly. I am happy to say that Ubuntu has improved, and more importantly, the Mythbuntu project has created some nice tools for integrating the two creating a nice Linux distribution. |