Install CentOS on ESXi from Netinstall ISO

It is SO easy to create a new virtual server from a Netinstall ISO. Downloading the DVD or CD ISOs can take a long time. Netinstall only pulls down the packages you need. Step one, download the Netinstall ISO from the vendor. I prefer CentOS. (version 5 is only Upload...

Create Multipart Zip Files In Linux

Need to transfer a really large file but are worried that it will fail before completing? Create a multi-part file using the split command, then join it on the remote server after it transfers. Example: Start with a zipped file (somefile.zip), then run… split -b...

ESXi & MD3000i: No LUNs after adding VMkernel switch for iSCSI

Having problems getting iSCSI LUNs to appear in ESXi after enabling a second VMkernel switch on a separate subnet? Make sure you disable/re-enable the ESXi iSCSI Initiator AFTER adding the new vSwitch on the isolated network. I think iSCSI discovery only occurs on the...

Copy Files To Your iPhone

Andy Ihnatko has a review of the Air Sharing iPhone app at the My Digital Life Podcast & Blog. Of particular interest to me… Andy says: “Music and video are both formats that the iPhone OS can simply view outside of the iPod app. If I just copy it...

Jawbone Charger Can Destroy Your Jawbone Headset

The original Jawbone headset by Aliph provides excellent noise reduction. However, the unit has a design flaw; the charger fits too tight around the back of the unit. In fact, as I recently found out, it is SO tight that it can easily destroy the headset when removing...

Foxmarks: Now for Safari Too!

The excellent bookmark sync tool is not available for Safari. That’s great news for those (like me) who use both Firefox and Safari for different reasons. Thanks, Foxmarks! Download it at Foxmarks.com

Starting Ensim Pro For Linux SSL Tunnel [FAILED]

At work, I was unable to access my Ensim control panel (on RHEL4); the browser kept timing out. So I thought I’d restart it to see if that would fix it. I did the usual: /etc/init.d/epld restart And got this error Stopping Ensim Pro For Linux Control Panel [ OK...

Your Linux Boot Disk Full?

While trying to run a YUM update on a CentOS server today, I got an error message about my /boot partition being full. I ran a df -h and sure enough, there was only 100k left. (My standard install uses 100MB for the boot partition.) Here’s what I did to fix it....

Speed Up Mail.app

Mail.app seems to get slower and slower. Plus it crashes at least once a week. As I started looking around the web to find a solution I ran across this post from Tim Gaden at his blog: http://www.hawkwings.net/2007/03/01/a-faster-way-to-speed-up-mailapp/ He describes...

Using Linux Tail to Trim Your Files

This tip is for my friend Scarb. For years I’ve used the Linux command “tail -f” for watching logs… but only recently did I discover its versatility for extracting parts of files. Need to grab only the last 25 lines of a file? tail -n 25...