I previously installed Ubuntu 7.10 on my other laptop (HP DV6305US) and I had to pass kernel argument noapic during boot, otherwise Linux will hang on booting. Now that Ubuntu 8.10 is out and I have new tablet PC style HP TX1499US, I thought I’d install Ubuntu 8.10 on it. As it turns out, I [...]

One of my customer had problems printing on Windows on a particular workstation. Whenever a print command is issued, it just sits on the queue without getting printed out. It turned out that the culprit is a print job stuck in print queue. So here’s how to fix it:

Go to control panel and double click [...]

Virtualization is one of the area I’m really an enthusiast. I’ve tried many solutions from Bosh on iMac G4 and PearPC on my Windows to VMWare and VirtualBox and at last to Xen. In fact, Miroshell’s sever is hosted on a Xen instance. I’ve also tried many emulators for game console like Nintendo 64, Sony [...]

is a very useful feature of SSH protocol. I’ve used it all the time to connect to a LAN network from public / DMZ network. At extreme case, I’ve created a tunnel that goes to another tunnel to reach the host. So how do you do it?
SSH Tunneling using PuTTY
PuTTY is my favorite SSH client [...]

SSH tunneling is, I think, one of the most powerful and important feature of SSH protocol. It’s also known as port forwarding. So what is port forwarding? The easiest thing to explain this, I think, is by example.
Let’s say you have your own server or a hosting account with shell access at some company. Let’s [...]