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linux

Why Best Practices Are Important (or: How I Pwn’d The Shit Out Of My ISP)

September 28, 2012
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Note: The events described herein took place many, many years ago (the statute of limitations has long since expired!), but the moral of the story remains the same. This topic came up on IRC a few nights ago and since a) several were interested in the story and b) I’m heading out to DerbyCon shortly, […]

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iou2net and IOUlive86 now available on Github

December 5, 2011
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From the Cisco IOU FAQ page: Cisco IOS on UNIX (IOU) is a fully working version of IOS that runs as a user mode UNIX (Solaris) process. IOU is built as a native Solaris image and run just like any other program. IOU supports all platform independent protocols and features. Many of you are already […]

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HP and Linux

July 14, 2011

Nearly 20 years ago, a university student from Finland posted a message to the comp.os.minix newsgroup: From: torvalds@klaava.Helsinki.FI (Linus Benedict Torvalds) Subject: What would you like to see most in minix? Date: 25 Aug 91 20:57:08 GMT Hello everybody out there using minix – I’m doing a (free) operating system (just a hobby, won’t be […]

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Free Two-Factor Auth for your Servers and VPNs

June 23, 2011

Last week, I wrote about bitcoin and its reliance on exchanges such as Mt. Gox. A few days later, Mt. Gox had a few more “issues” including their entire user database being leaked to the Internet. In various online discussions afterwards, the use of two-factor authentication came up repeatedly. I wondered if there was a […]

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rpmdb: Lock table is out of available locker entries

December 8, 2008

This morning, I received an e-mail from a cronjob on one of my production RHEL 5.2 servers: From: Cron Daemon To: Jeremy L. Gaddis Cc: Subject: Cron <root@SERVERNAME> run-parts /etc/cron.weekly /etc/cron.weekly/makewhatis.cron: rpmdb: Lock table is out of available locker entries rpmdb: Unknown locker ID: b4a0 error: db4 error(22) from db->close: Invalid argument error: cannot open […]

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Revisited: RHEL + SAN + iSCSItarget + Microsoft Initiator

May 27, 2008

NOTE: I originally wrote the following on May 23rd, 2007. I installed Red Hat Enterprise Linux 4.5 on an HP DL365 server yesterday to test out iSCSI. We carved out some space on the SAN to use for the testing; 500 GB to be exact. The DL365 has a qlogic fiber-channel HBA in it connected […]

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Getting Rid of BIND’s “lame server” Messages

May 27, 2008

If, like me, you run BIND for DNS services, you’ve probably encountered the “lame server” error messages in your log files at some point. To be honest, they’re not really errors. They are more warnings than anything because the issue is actually with the remote server and not yours.

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Online Backups Using Amazon S3

April 13, 2008

A month or so ago, I downloaded Jungle Disk. I installed it on an older laptop running Windows XP that has quite a few files on it that I’d like to have backups of. I uploaded a few hundred megabytes of files to disk storage on the Amazon S3 service and pretty much forgot about it. […]

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If Toasters Were Operating Systems

March 27, 2008

Windows Toaster The windows toaster looks great, but sometimes it just won’t make toast. It either comes out burnt or raw, and you have to unplug the toaster and plug it back in again each time you want to try and make some toast. For every loaf of bread you buy you are forced to […]

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Ohio LinuxFest 2007

September 14, 2007

Bradley Kuhn, John “maddog” Hall, and Max Spevack are just a few of the speakers that will be on-hand to talk about Linux, open source, and Free Software. We have a full day of exciting, community oriented presentations for everyone who’s interested in learning more about Linux and open source. Of course, all work and […]

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