OpenBSD 2.9

BSD is often a good choice for utility boxes running stuff like Sendmail or BIND. The hardware support isn’t as good, and if you think desktop applications are bad with Linux, then you certainly aren’t going to like BSD. BSD is arguably more secure and stable than Linux. In the gradient of stability, though, Linux […]

Using Eterm Remotely with Clipboard on OS X

I have a GNU/Linux box running CentOS that is up all of the time, and is my main workstation. Lately, I’ve needed to use a laptop, and am running OS X Tiger on it. I’ve always enjoyed Eterm, but getting this to run on OS X is difficult. Since I mainly work on remote servers […]

Setting up X11 on OS X Tiger

After a bit of work, I have my desktop on OS X Tiger working well. I’m used to GNU/Linux, and it took me awhile to find the right combination of tools. Here is a screenshot of my desktop: click for larger image. Some key issues that I solved that are visible above: The clipboard works […]

Flushing the DNS Cache on Mac OS X

Use this command to flush the DNS cache on Mac OS X: lookupd -flushcache It appears that the cache overrides /etc/hosts.

Monitoring, Pausing, and Prioritizing Mac OS X Applications

If you simply want to monitor processes on Mac OS X, the included Activity Monitor in applications/utilities works well: There is also a free third party application called App Stop available here that will allow you to pause applications and set priority. If you have a heavy application you are running concurrently while doing more […]

Xcode is Required for Nmap and Fink

Both Fink and Nmap have problems compiling with earlier versions of Xcode. Xcode is found here. The error I got with Fink was: compress-zlib-pm586-1.34-11 failed With Nmap: ./pcap-bpf.c: In function ‘pcap_inject_bpf’:./pcap-bpf.c:348: error: ‘BIOCSHDRCMPLT’ undeclared (first use in this function)./pcap-bpf.c:348: error: (Each undeclared identifier is reported only once./pcap-bpf.c:348: error: for each function it appears in.)make[1]: *** […]

Testing Apple Hardware With Mac OS X Install Disk

The first Install disk has a hardware test routine on it. Just boot with the CD and old down the Option key as the computer starts up. Here is what the test program looks like:

Checking the Filesystem on Mac OS X

Simply hold down Command-S as the system boots to get into single user mode. To check and fix the filesystem run fsck -fy:

Installing Apache 2.2 on Mac OS X From Source

Apache 2.2 compiles perfectly on Mac OS X. We are running an Intel Mac Version 10.5.6. Let’s create a place to compile this that is separate from other software. First we need to log on as root for convenience: srv-5:~ usr4$ sudo su Password: sh-3.2# Let’s create a /usr/local/src to compile the software in. This […]

Installing Dia on OS X

Dia is a diagramming tool that includes many symbols. Here are the Cisco symbols: Install on Mac OS X with Darwin Ports and then simply run dia from the command line: srv-8:~ usr4$ sudo port install dia —> Fetching libpixman —> Attempting to fetch pixman-0.14.0.tar.bz2 from —> Verifying checksum(s) for libpixman —> Extracting libpixman […]