Red Hat Overview

A brief look at the history or Red Hat acquisitions and current financials. It’s more of a suite and tie article than propeller hat, but still interesting.

Tags: linux

Copying large amounts of data with cp

This was an interesting read on using the cp command to copy large sets of data… cp keeps a internal historical hash table of copied files, which gets quite large.  Read more…

Tags: linux freebsd

FreeBSD DOS vulnerability

By sending a SYN segment to and already existing connection (assuming knowledge of the src/dest ports) an attacker can tear down existing connections. Seems in this case FBSD does not check for sequence numbers.

Tags: freebsd

Free courses for getting started in the open source cloud

Good resources for learning a thing or two regarding how the cloud works… Remember the cloud is just “a computer owned by someone else”.

Tags: linux

A new LXC sharing platform that will let users download containers and allows for contributors to upload containers. The Flockport utility allows for fast setup of containers on your system, although it’s only available for Debian at this time.

Tags: linux

Systemd introduction article

For those of you who have been living in a locked faraday cage, here’s a high level introduction to systemd and all of it’s controversy.

Tags: linux systemd

Systemd Cheatsheet

This colorful cheatsheet is handy in a pinch…. Fedora users may have already seared this into their brains, but RHEL users are just now getting their first taste of the joyous changes that systemd brings to our fundamentals.

I discovered this at:

Tags: linux systemd

pkg upgrade weirdness

This is the first I have seen such weirdness when running a pkg upgrade so I thought I would share the oddities that I don’t have a root cause for just this minute. 

Today I ran a pkg update, followed by a pkg upgrade to install all the latest and greatest fixes on my home box.  However, when pkg reported the nonsense it wanted to install on my server, I did one of those movie double takes just as my y key was a quarter of the way pushed down.

A couple of weeks ago I wrote a small blurb on updating your FreeBSD 10 server .  So I followed these steps to get myself updated.  But it seems that pkg wants to watch movies….

For more information on available commands and options see ‘pkg help’.
chris4136@europa:~/twistedaemon/twistedaemon % sudo pkg check -d -a
Checking all packages: 100%
cstrzelc@europa:~/twistedaemon/twistedaemon % sudo pkg upgrade
Updating FreeBSD repository catalogue…
FreeBSD repository is up-to-date.
All repositories are up-to-date.
Checking for upgrades (27 candidates):   3%
pkg: plexhometheater has a missing dependency: lame
Checking for upgrades (27 candidates): 100%
The following 22 packages will be affected (of 0 checked):

Read More

Tags: freebsd

Short answer: Keep up with patches

Tags: Linux

VMWare tools for FreeBSD 10

Useful article for compiling VMWares tools.

Tags: freebsd

blog comments powered by Disqus