I just attempted to convert a Redhat 3.1 VMWare Server 1.04 VMImage using VMWare Convertor 3.03 to VMWare ESX Server 3i v 3.5. The VMWare Convertor conversion completed successfully and loaded the VM to the ESX Server however when I booted the VM on the ESX Server I...
Linux Tools
OCR – Tesseract
Just made a spectacularly unsuccessful attempt to use Tesseract OCR. Here is a sample: "|I11;XII;"1n -¤:2;;2:¤ LIEEEEEEE.-::2;;;: nz ’‘·* *--2.. ::2;;: "=I;;;. :1:;*-- ::2;£2|a:‘¤I;;;.XXi.X ·¤:;1;;¤· X;|:;t1X '!EEEXI|· XXXIIEX--EXIIXX-.:21:;. -·¤a.;¤¤a..a··...
Linux PING works but Traceroute doesn’t
Just had an issue where traceroute w.x.y.z failed however ping w.x.y.z worked fine.... The fix: traceroute -I w.x.y.z or traceroute -T w.x.y.z Where w.x.y.z is the IP address of the remote host e.g. 10.22.34.8 By default the Linux traceroute was using UDP which must...
Fedora 9 – Using the MF332 aka Telstra Turbo Card from www.zte.com.au
There is a whirlpool forum with information on connecting a MF332 using Linux. It shows how to use the /etc/ppp/chap-secret /etc/ppp/peers/* to get it all connected. However on Fedora 9 I used the standard system-config-network option to configure the connection as...
Shrink a Windows XP NTFS Partition to half size and Install Linux while keeping the Windows Boot Menu
Disclaimer: This procedure can render your computer unbootable and corrupt your data if you do it wrong. Perform a backup prior to doing it and verify you can read the backup. Don't attempt it on a critical laptop. I am in no way responsible if you attempt this and...
IPTraf – Looking at it as it happens
When looking at traffic flowing in and out of your gateway Linux boxes you can use a variety of tools. tcpdump is handy For example if I wanted to know what traffic is flowing from my ppp0 interface to a remote host without resolving the names I would say. tcpdump -i...
Setting up an Xvnc Server for remote logins
Those of us Windows admins that like the mstsc /v:hostname option of connecting to our Windows Boxes may also want a "feel at home" approach for Linux. I personally like to be able to use vncviewer ip_address:port to connect and get a complete Linux Desktop. The...
Ubuntu build depency installation command
If you download and install programs from source on Ubuntu / Debian you may have been through the process of running ./configure, then noting what it complains is missing, then apt-get install missing <package name>, then repeat till you have everything you...
ipcalc – Removing the brain work from subnetting calculations
I've just been nosing around the Fedora 8 /etc/sysconfig/network-scripts/network-functions script and noticed a call to a utility named ipcalc. Seeing as I usually spend quite some time trying to figure out how to calculate the correct subnets for a given subnet mask...
Linux serial console
I had to test a console cable to see if it was indeed a console cable. The piece of equipment I was connecting to was outputting a garbled console leading me to wondering if I had a bad cable or a bad piece of equipment. Using the serial-console howto at...