Windows : Show available memory with PowerShell

Here is the command how to show the available system memory on Windows with PowerShell command :

Example :

Linux : How to manage Exim mail queue

Here are some useful commands to manage the Exim mail server queue. Show the mail queue content :

Show the amount of mail in the queue :

Delete a specific message in the queue, with the help of the first command in this example (exim -bp) to get the message ID :

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Linux : Export Roundcube webmail contact from SQL to CSV

Here is a procedure how to export the saved address book contacts from Roundcube webmail directly from the MySQL database to a CSV file (please note that Roundcube natively support exporting contacts from the Webmail itself to CSV – this method is only in case you want to pull out old contacts from a database).… Read More »

Windows : magicJack “No Audio Found!” on Windows 10

If you are using the magicJack app on Windows 10, you probably had the following issue after installing the latest Windows Updates : No Audio Found! This is caused by a new Windows security feature that deny microphone access by default to any applications. To resolve this, search with Cortana the following : Microphone Privacy… Read More »

Category: PC

Linux : How to reset cPanel max defers for a specific account

If one of your hosted user (or account) have accidentally reached the max deferred message that can be sent over an hour (and the issue have been identified and fixed), you can unsuspend the mail delivery by deleting the following file :

For example, if the domain name is “itechlounge.net“, the command to execute… Read More »