Fleximus Blog

HardenedBSD: An interview with the core developers

Felix Ehlers — Fri, 09 Oct 2015 00:00:00 +0000

We are pleased to interview Oliver Pinter and Shawn Webb, the core developers of the HardenedBSD project.

freebsd-update fails on systems before 9.0

Felix Ehlers — Thu, 20 Feb 2014 00:41:00 +0000

You want to upgrade your FreeBSD system before 9.0 through freebsd-update and it fails, showing the following error message:

The update metadata is correctly signed, but failed an integrity check. Cowardly refusing to proceed any further.

Switching into a jail by name

Felix Ehlers — Thu, 18 Apr 2013 12:20:44 +0000

Let’s learn how to execute commands in a jail by referring to the jail name instead of the jail number.

Convert squid timestamps

Felix Ehlers — Sun, 17 Jul 2011 09:44:27 +0000

When you work with a squid access log file you sometimes want to know when a site or resource was accessed. Squid does not store the date and time information for that in a human readable format.

Nginx file extension whitelisting

Felix Ehlers — Thu, 23 Jun 2011 20:13:03 +0000

Nginx is a great webserver that is flexible, feature rich and fairly well documented. But have you ever wanted to whitelist files upon their extensions and did not find a solution in the documentation reference? The bad answer is you will not find it.

The good answer is: It is possible.

Faster boot times on Nehalem systems

Felix Ehlers — Thu, 23 Jun 2011 19:54:33 +0000

FreeBSD boots painfully slow on new servers with Intels Nehalem chipsets. You don’t want to wait 180 seconds and more? Here’s the solution.

Haiku gets eight studens for GSoC 2011

Felix Ehlers — Thu, 28 Apr 2011 22:28:57 +0000

Haiku have been allocated eight students for this years Google Summer of Code program. Overall, 417 mentoring organizations applied and 3731 students submitted 5474 proposals. Haiku is proud to be one of 175 accepted mentoring organizations, with 35 submitted proposals and 8 accepted students!

DragonFly BSD 2.10 released

Felix Ehlers — Wed, 27 Apr 2011 21:15:39 +0000

The 2.10 release supports, thanks to updates of ACPI and APIC interrupt routing support, a much larger variety of hardware and multiprocessor systems than previous releases.

Nginx 1.0 released

Felix Ehlers — Wed, 13 Apr 2011 22:48:25 +0000

After nine years of development nginx reaches version 1.0.0 which is now the latest stable version and ready for production. Version 0.8.54 is now the newest legacy stable version.

Enable screen sharing via ssh on Snow Leopard

Felix Ehlers — Mon, 14 Mar 2011 12:11:40 +0000

Imagine the following scenario: You can’t connect with VNC to your iMac/Mac Mini that runs Mac OS X Snow Leopard. The Screen Sharing service is not enabled. Anyway Remote Login via ssh is available. What can you do?

Introduction for anti-virus signature creation

Felix Ehlers — Sun, 13 Mar 2011 00:44:47 +0000

Have you ever wondered how anti-virus signatures are created?

PHP 5.3.5 and 5.2.17 released, fixes possible DoS

Felix Ehlers — Mon, 10 Jan 2011 21:40:45 +0000

This release resolves a critical security issue where the PHP interpreter can hang on a string to double conversion if x87 FPU registers are internally used. This DoS vulnerability is reported as PHP bug #53632 and is assigned as CVE-2010-4645.

pfSense mirror in Germany

Felix Ehlers — Wed, 28 Jul 2010 23:24:16 +0000

I am pleased to announce that Fleximus is now an official mirror for pfSense in Germany. As of this writing Fleximus is the only mirror located in Germany.

OpenBSD 4.7 released

Felix Ehlers — Thu, 20 May 2010 08:34:31 +0000

OpenBSD 4.7 has been released!

Playstation 3 exploit released to the public

Felix Ehlers — Mon, 01 Feb 2010 22:40:48 +0000

George Hotz alias geohot released his playstation 3 exploit to the public. It gains control of the hypervisor which could be used to run pirated PS3 games and game backups on the hacked machine.

Squid vulnerable to DoS attack: issue in DNS handling

Felix Ehlers — Mon, 01 Feb 2010 22:23:24 +0000

Due to incorrect data validation Squid is vulnerable to a denial of service attack when processing specially crafted DNS packets.

Avira malware extension stats for Jan 2010

Felix Ehlers — Sun, 31 Jan 2010 10:22:11 +0000

The german antivirus company Avira has published statistics about file extensions used by malware in URLs that may occur in emails or infected websites for January 2010.

BSD magazine becomes free online publication

Felix Ehlers — Sun, 10 Jan 2010 11:49:12 +0000

The website of the BSD magazine announces that the BSD Mag is now becoming a free monthly online publication. You can sign up to their newsletter and get every issue straight to your inbox.

Bsdtalk 184: Interview about DragonFlyBSD

Felix Ehlers — Sun, 10 Jan 2010 11:40:11 +0000

Matthew Dillon is interviewed and asked about recent developments in DragonFly BSD.

FreeBSD security advisory 10-03: zfs

Felix Ehlers — Sun, 10 Jan 2010 11:07:28 +0000

The ZFS Intent Log ZIL is a mechanism that gathers together in memory transactions of writes, and is flushed onto disk when synchronous semantics is necessary. In the event of crash or power failure, the log is examined and the uncommitted transaction would be replayed to maintain the synchronous semantics.