Monthly Archives: February 2015

sudo: unable to resolve host

By | February 26, 2015

At a fresh ubuntu install I faced the error: ubuntu@(none):~$ sudo su – sudo: unable to resolve host (none) To solve this check two things: That the /etc/hostname file has only the name of the machine and nothing else That /etc/hosts has the localhost and the name of the machine localhost my-machine    


Tune SQL Server

By | February 25, 2015

I have gathered some notes from for Configuring an SQL Server 1. Set the minimum Page File, 512MB to 2GB, but don’t remove it 2. Set Antivirus Exclusions for all SQL files and services 3. Format the OS drives with the defaults 4k cluster size 4. Format the Drives holding the data & log… Read More »


Alter the Office 365 DirSync Schedule

By | February 17, 2015

The DirSync by default runs every three hours. And you will realized that there is no GUI way to change that. To change the sync interval we need to change a configuration file. 1. Go to the below directory on your DirSync Server: C:Program FilesWindowsAzureActiveDirectorySync (there are two similar directories, one with spaces between the… Read More »