Upgrade ESXi 4.0 to ESXi 4.1

Prior to the upgrade, a backup of the ESXi configuration is recommended. This backup can be done using the vicfg-cfgbackup command that is part of the ESXi CLI. The CLI can be installed in Windows or Linux.

Find drive space hogs in Linux

Here is a command that I’ve worked out to help find the source of drive space issues in Linux. This format will only look at directories (ie, it will not report file sizes, just size of directories) and it will recurse into subdirectories. du | sort -n -r | head | awk ‘{print $2}’ | ...

DHCP and Dynamic DNS

How to enable Dynamic DNS updates from a Linux DHCP server to a Windows DNS server. Create the forward and reverse lookup zones on the Windows server. You must allow secure and nonsecure updates. I’m still researching if it is possible to do secure updates from Linux to Windows. Set up DHCP on the Linux ...

Configure Linux client for BackupPC

Instructions to add a linux client to an existing BackupPC installation. These are also good instructions for allowing automatic login from another PC. The full how-to can be found at HowToForge. Log into BackupPC with backuppc user at http://ServerIP/backuppc. Click the link to “Edit Hosts” and add the hostname of the new client. Add the ...

Outbound mail

I recently set up a security camera and wanted to be able to mail myself security events. The first thing I had to do was get AT&T to open port 25 from my house. This was painlessly done by asking an agent in the online support chat. Within a minute of asking if it can ...

PVR-150, LIRC and IR Blaster

I’ve finally made progress with the IR Blaster portion of my PVR-150. I have not yet configured it to work with my cable box, but I was finally able to get the little red light to come on. In case I do something stupid and mess these files up before I get it fully working, ...

Log onto another user’s mailbox using OWA in Exchange 2007

It is possible to connect to another users mailbox (if you have proper permissions) using OWA. The trick is to append the users mailbox to the OWA URL. For example, if the URL to your OWA was: https://webmail.mycompany.com/owa you would simple go to https://webmail.mycompany.com/owa/[email protected]. You can then log in with any user account that has ...

Using Kickstart

I started working with kickstart files to install CentOS today. I used a combination of two KS files that were automatically created for me during previous installs. I liked the partitioning scheme from one and the rest of the options from another. One thing that took me a bit to figure out was how to ...

Changing UID/GID in CentOS

CentOS/Red Hat/Fedora create users/groups beginning with 500 where all other distros (that I’m aware of) begin with 1000. Since I use the same account throughout all my servers and have shares mounted between them, it is much easier if my UID/GID matches between systems. I have found it rather easy to change on CentOS as ...

rdesktop info

Found a few useful options for rdesktop to be able to share a clipboard as well as a local disk. This will share the clipboard and a local path with the remote server. rdesktop -u -r clipboard:PRIMARYCLIPBOARD -r disk:=/share/path 1.2.3.4 </blockquote Found this useful information here: pandaeatsbamboo.blogspot.com