Ubuntu to CentOS rsync errors with chgrp Operation not permitted (1)

When running rsync to backup from a ZFS volume on my primary Ubuntu server to a backup server running Centos I was getting non-fatal errors like this: rsync: chgrp “/DISK2_BACKUP/mnt/share4/vmshare/” failed: Operation not permitted (1) My rsync commandlines have the following format: rsync -avr –delete –progress /DISK2/vmshare/ /mnt/share4/vmshare/ The key flag in that commandline is […]

SCCM 2012 agent reboots when MSIEXEC uses REALLYSUPPRESS switch

I recently discovered some rather worrying behaviour in SCCM 2012 SP1 regarding how the CM agent handles return codes from msiexec. If you pass the /REALLYSUPPRESS switch to msixec then that means that if msixec determines that the installation needs a reboot (for example, if a required file was in use during the install/upgrade) then […]

Uninstalling the SMTP service in Windows Server 2008

Uninstalling the SMTP service in Windows Server 2008 I had previously installed a third party SMTP application (MailEnable) on Windows Server 2008 R2 SP1. However, I then decided to remove it and install Microsoft Exchange 2010 instead.Unfortunately, the SMTP service component gets left behind and causes the Exchange installer pre-requisite checker to fail saying that […]

Installing and configuring Openssh on Ubuntu 10.04 (and windows client setup)

The first service that I wanted running on my server (Ubuntu 10.04) is ssh. It makes administration much easier and allows me to run the server headless and administrate it securely from my Windows 7 machine.SERVER-SIDEFirst you will need to install the openssh server: sudo apt-get install openssh-server Then you’ll want to stop the service […]