dufault.info

Ramblings of a phone weenie, Linux sysadmin, and other things geeky

Installing a grsec-patched kernel on a CentOS 5 or RHEL 5 server

Here’s my little guide for upgrading a CentOS server to a grsec-patched kernel. At the time of this writing, this was the latest stable grsec patch available.
Fetch the sources:
wget http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.24.5.tar.bz2
wget http://grsec.linux-kernel.at/grsecurity-2.1.11-2.6.24.5-200804211829.patch.gz
Extract:
tar xjf linux-2.6.24.5.tar.gz
gzip -d grsecurity-2.1.11-2.6.24.5-200804211829.patch.gz
Patch the kernel:
patch -p0 < grsecurity-2.1.11-2.6.24.5-200804211829.patch
cd linux-2.6.24.5 && make clean && make mrproper
Copy the previous kernel config to use:
cp [...]

Slick android applications

As I was surfing around, I found out Google was hosting competitions for innovative Android applications.
Here’s an interesting site that has them broken down, Android Scan (1), Biowallet (3), and Cooking Capsures (8) are of particular interest to me.
Here’s the link: ADC Round 1 Winners

An update to Android on the Vogue

Today, Martin released another update on his progress porting Android to the HTC Vogue.
He’s rewritten his touchscreen and on screen keyboard drivers, and I agree that it’s much more usable now, although I miss the haptic feedback.  SMS notifications are implemented but a bit buggy.  I didn’t test the browser updates from the last update, [...]

A better way to find your BIOS version in Linux

Run this awesome command as root:
dd if=/dev/mem bs=32768 skip=31 count=1 | strings -n 10 | grep -i bios

Blog revamp

I finally took a good peek at my blog, and wiped my existing install / db, and I’ll add my posts back in manually. The entire thing felt ugly, so with the help of my friend Chris Olstrom I did a reinstall of Wordpress, and he helped me setup FeedBurner plugins and some other [...]

Updates to Android running on the HTC Vogue

The developer’s made A TON of improvements, the RIL (radio interface library) now works properly so you can send and receive calls, and send and receive text messages (SMS) in a basic fashion now. As soon as I can get write access to a memory card so I can save my contacts someplace, [...]