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Read the HAProxy UNIX socket file using Perl
HAProxy provides a socket file which can be used to do maintenance (enable/ disable backends, retrieve information and…
Managing LDAP passwords with Perl
OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol. Many graphical interfaces are available…
Perl script to monitor the rate of logs
In a previous article (IPTables Logging in JSON with NFLOG and ulogd2) we learned how to log certain…
Perl: Archive E-Mails in an IMAP Folder
IMAP folders are really because you can have your e-mails synchronized on multiple devices, without losing e-mails across…
Perl: SSL Communication in web applications
The following demonstrates how to create a strict SSL communication between client and server, using HTTP.This setup could…
Perl: Create schema backups in PostgreSQL
At my recent job, I was asked to create a backup procedure, which would dump a PostgreSQL schema…
Monitor running processes with Perl
Update: This article is updated thanks to Colin Keith his excellent comment. I was extremely inspired by it…
Postgresql: Monitor sequence scans with Perl
Not using indexes or huge tables without indexes, can have a very negative impact on the duration of…
Postgresql: Monitor unused indexes
Working on large database systems, with many tables and many indexes, it is easy to loose the overview…
Postgresql 9.3: Creating an index on a JSON attribute
Recently I’ve discovered some very interesting new features in the PostgreSQL 9.3 database.First of all, a new data…