Category: server

Looping in Bash: An Introduction

When I first learned about Linux in the 90’s, I read that it was possible to even write your own commands to use at the command line. Later I learned about bash scripting, and it wasn’t long before I needed to learn how to loop in bash. Looping in bash is one of the fundamental …

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Export Roundcube Contacts to CSV from Database

In this installment I’ll show you how to export roundcube contacts to a CSV file straight from the Roundcube database. Perhaps a customerĀ has moved to a different server, and no longer has access to their roundcube mail. You can restore the Roundcube database, and get the contacts manually. First, you have to gain access to …

Continue reading must be installed for pthread_cancel to work — cPanel Apache error

The other day I ran into theĀ error “ must be installed for pthread_cancel to work.” Apache on this cPanel server would produce “Internal Server 500” for any web page. When I checked the /usr/local/apache/logs/error_log, I found the following entry: [Thu Jul 17 03:51:41 2014] [error] [client] must be installed for pthread_cancel to work …

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