Posts tagged as:

Linux

AT&T Captivate (Samsung Galaxy S) Thumbnail

Android: AT&T Captivate’s wifi networking is broken

August 27, 2010

I’ve finally made the switch from Windows Mobile to Android by way of an AT&T Captivate (which is one of the many Samsung Galaxy S phones.) So far, I’ve been fairly happy – app selection is good, it’s great to have the ability to tinker on it (no, have not rooted it or flashed a [...]

Tagged as: Android, AT&T, Cell, Google, Hardware, Linux

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DRBD accepted to mainline kernel for 2.6.33!

December 8, 2009
DRBD Logo

As announced on Florian Haas’s blog, DRBD has been accepted into the mainline Linux kernel, and will be released with 2.6.33. Congratulations to the DRBD team on this major milestone! This will make the lives of all DRBD users much, much easier.
For those of you who are not aware, DRBD is a synchronous block-level replication [...]

Tagged as: Linux, Storage

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virtuozzo on nehalem systems at softlayer

April 24, 2009

As I mentioned in my previous post, I discussed how to get networking working under Debian Lenny on the new Nehalem systems at SoftLayer. However, it seems like there are lots of users who want to get Virtuozzo on RHEL/CentOS running on these boxes. A guy named Shikhir got ahold of me via a Web [...]

Tagged as: Linux, Nehalem, Virtualization

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Debian Lenny on Nehalem-based systems

April 16, 2009
Debian Logo

I recently had the opportunity to set up a few Nehalem based servers at SoftLayer to replace some older hardware that we were using.. and these servers /rock/. The servers have the E5520 CPU’s, and kick the snot out of the E5430’s that they replaced. We were able to actually able to replace 6 dual-5430’s [...]

Tagged as: Debian, Linux, Open-source

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Using Procmail with Plesk: rules via Ingo

January 7, 2009

In my previous post, I discussed how to get automatic procmail integration working with Plesk, to let you set up procmailrc rules to sort mail into folders. At the end of the post, I mentioned that it would be nice to figure out how to get Plesk’s version of Ingo set up to generate the [...]

Tagged as: Horde, Hosting, Ingo, Linux, Mail, Open-source, Plesk, Procmail

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Using Procmail with Plesk

January 6, 2009

For many years now, I’ve been maintaining a separate mail server, web server, and shell server. I’m getting busy these days, and just don’t have the time to dedicate to this maintenance. About a year and a half ago, I purchased a 30-domain Plesk license, which I am using for all the sites I host [...]

Tagged as: Hosting, Linux, Mail, Open-source, Plesk, Procmail

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Configuring an IPsec tunnel between Openswan and Windows 2000/XP with x509

July 30, 2007

This document describes how to get Openswan working with various other IPSec stacks, including Openswan and Windows 2000/XP. If you have any difficulties with this process, please e-mail the Openswan mailing list, or if you can’t get help from there, e-mail me at: ipsec@natecarlson.com. If you are using clients which benefit from receiving an IP [...]

Tagged as: IPsec, Linux, VPN, X.509

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How to compile Nvidia kernel modules on 2.6.20+ with paravirt_ops enabled

May 2, 2007
Thumbnail image for How to compile Nvidia kernel modules on 2.6.20+ with paravirt_ops enabled

If you try to compile the nvidia kernel module on 2.6.20 or higher kernels that have paravirt_ops enabled (like the Debian kernels), you will run into a problem – it’ll complain that a non-GPL compatible license is using the GPL-only code paravirt_ops. I finally found a workaround (other than building the kernel without paravirt ops) [...]

Tagged as: Linux, Open-source

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Configuring an IPsec tunnel with Openswan and l2tpd

July 10, 2006

This document describes how to set up a VPN with Openswan combined with L2TPD. This provides for a more user-friendly experience than a standard IPSec VPN on many client operating systems. Note that for most sitesite VPN’s, you will still want straight IPSec.
If you’re not sure if IPSec is right for you, I have written [...]

Tagged as: IPsec, L2TP, Linux, VPN, X.509

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hp’s printer support under linux is getting better

May 3, 2006

Our printer (Epson Stylus Photo R200) died on us Monday night. I talked things over with Tiff, and we decided to go with an all-in-one printer, so she could do copying and such, too (she often could use that for work). One of my requirements was also to get a network-connected printer, so we don’t [...]

Tagged as: Linux, Open-source

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new debian i386 libc6 packages for xen

March 23, 2006

As those of you who use Xen on the i386 arch know, the libc6 stuff can be rather annoying. The Debian libc6 developers have finally released a test glibc that includes xen compatibility — no more moving /lib/tls out of the way and losing performance!
You can grab the packages from:
http://people.debian.org/~aurel32/xen/
Hopefully these will be mainline soon.

Tagged as: Linux, Open-source, Virtualization

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new favorite music player for linux

March 4, 2006

Well, I used to swear by XMMS for a music player.. then I decided I wanted some nifty features like better KDE integration and last.fm updates (that’s where the last listened links came from on the right), so I decided to try out Amarok again. It’s great! It has all sorts of nifty features, like [...]

Tagged as: Linux, Music

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testing live streaming video on the nbcolympics.com site

February 26, 2006

Well, this weekend, we’re going to be trying a new experiment.. we’ll be putting a live stream of the gold metal hockey game between Sweden and Russia or Finland up on the NBC Olympics web site (streaming video is fun!). It’ll be interesting to see how it goes, and how well Akamai can handle [...]

Tagged as: Linux, Work

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full suspend/resume *finally* working on my inspiron 6000

January 12, 2006

With the current version of the Linux kernel (2.6.15), some patches, and ATI’s fglrx driver version 8.20.8, software suspend/resume *finally* works, with full accelerated graphics support. Woohoo! Uptime on my laptop is now 6 days, and that involves many trips between home and work, and many suspend/resumes.
If you’d like a copy of the scripts I’m [...]

Tagged as: Dell, Hardware, Linux

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mt-daapd is teh cool

December 28, 2005

Tim (one of my co-workers) and I have been messing around with mt-daapd for the last couple days, and I gotta say, the software *rocks*!
For those of you not familiar with DAAP, it’s the protocol that Apple uses for iTunes’s music operations over the network. mt-daapd is an open-source product that runs on Linux, and [...]

Tagged as: Linux, Music

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Types of VPN available on Linux

November 22, 2005

Virtual Private Networks, or VPNs, are a way of securely accessing resources on your network from untrusted points on the internet. This page describes some of the various types of open-source VPN solutions that are available on Linux systems, with benefits and drawbacks for each solution. I’m not making a VPN comparison, per se, but [...]

Tagged as: IPsec, Linux, Open-source, OpenVPN, PPTP, VPN

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apologies to people asking me for help with ipsec

November 22, 2005

Just want to issue a blanket apology to people who have e-mailed me for help with IPSec that I have not had time to respond to – I’ve been very busy lately, and unfortunately this has fallen on my priority list somewhat.
I’ve been considering posting a forum on my site, to help me better track [...]

Tagged as: IPsec, Linux, VPN

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using advanced routing to control traffic across your interfaces

November 21, 2005

[This page originally lived at http://www.natecarlson.com/linux/advanced-routing-in-out.php. I am working on migrating all content over to WordPress, which is why this post exists. This document is mostly up-to-date; please leave a comment with any changes!]
One of my tasks at work has been to set up Nagios to monitor all of our critical services. In the process [...]

Tagged as: Linux, Open-source, Routing

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advanced routing in linux to force traffic to interfaces

November 21, 2005

At work, I had an interesting problem where boxes would just seem to stop responding to ping packets for awhile on one interface, until you ping the other interface on the box. It turned out to be a problem with the way that Linux sends ARP requests when you’ve got routing set up across two [...]

Tagged as: Linux, Open-source

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inexpensive dvd+rw drive for your laptop

November 2, 2005

In May, I picked up a cheap Dell Inspiron 6000 refurbished from Dell; it was pretty much built up exactly the way I wanted it, except it included a CD Burner/DVD Reader instead of a DVD burner. Having a DVD burner is pretty much a necessity when taking digital pictures on trips; I generally shoot [...]

Tagged as: Hardware, Linux

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fix for wpa_supplicant breaking on ipw2200 when upgrading to 1.0.8

October 28, 2005

I just upgraded the Linux kernel on my laptop to 2.6.13.3, and in the process had to upgrade the ipw2200 (Intel Wireless Drivers) to version 1.0.8. After the upgrade, no matter what I did, I couldn’t get wpa_supplicant to work – it kept returning an error saying:
ioctl[IPW_IOCTL_WPA_SUPPLICANT]: Operation not supported
I finally figured it out – [...]

Tagged as: Linux, Open-source

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