Archive for the ‘System administration’ Category

Configure nullmailer to use SMTP authentication

nullmailer is a minimalistic and easy to configure MTA (mail transport agent). It is described on the homepage as follows: Nullmailer is a mail transport agent designed to only relay all its messages through a fixed set of “upstream” hosts. It is also designed to be secure. nullmailer is a good choice for systems that […]

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CrashPlan PRO & Windows: How to connect to a remote (headless) CrashPlan PRO client running on Linux

To configure a remote (headless) Linux CrashPlan PRO client with a Windows system follow the step by step instructions below after you have installed CrashPlan PRO on your Windows and the remote system. Close the CrashPlan Application if it is open (you do not need to end the CrashPlan background backup service). Download plink.exe from […]

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Windows: Search for strings in files recursively

Recently, I found the findstr command on Windows system which can be used to search for strings in files (similar to find combined with grep on Unix). Here is an example that searches for the string “hello world” in all files in the current working directory and all subdirectories (parameter /s specifies recursive search): > […]

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Microsoft SQL Server Management Studio 2008 R2: Option “Prevent saving changes that require table re-creation”

By default Microsoft SQL Server Management Studio 2008 R2 does not allow saving changes to table structures that requires the table to be re-created, like inserting a new column at a specific position or changing the data type of a field. The saving process is aborted with the following error dialog: Saving changes is not […]

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