Database link with PostgreSQL

In PostgreSQL, it is possible to create database links and connect two separate databases, whether they reside on the same server or on separate servers, as long as they are accessible over a network.


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Publish date : 2022-12-11 | Last change : 2022-12-11

Categories : Solutions | Technology
Tags : Server | Database | PostgreSQL

MariaDB replication master-master via Internet

MariaDB (and MySQL) allow master-slave replication to be configured between two servers. A master-master type of replication can be implemented via Galera, but it requires at least 3 servers. If you have 2 servers, you can configure master-master replication by by cross-duplicating the master-slave replication.


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Publish date : 2022-07-19 | Last change : 2022-12-11

Categories : Solutions | Technology
Tags : Server | Database | Firewall | MariaDB | OpenSSL | UFW

Encrypt and compress emails server side

To improve the security and privacy of users and save disk space, the mail server Dovecot allows encrypting the files containing the e-mail messages.


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Publish date : 2022-07-08 | Last change : 2022-07-08

Categories : Solutions
Tags : Security | Server | Privacy | Dovecot

VPN with Fritz!Box router

AVM's Fritz!Box routers already provide built-in two important services that enable remote connectivity :

  • Dynamic DNS
  • VPN based on ipsec protocol.

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Publish date : 2022-07-08 | Last change : 2022-07-08

Categories : Solutions | Technology
Tags : VPN | Router | Networking

Synology NAS installation and configuration

Client : several ones Synology installation and configuration : users, sharing privileges and backup MS Windows clients configuration
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Publish date : 2021-07-03 | Last change : 2021-07-03

Categories : Solutions | Technology | Projects
Tags : NAS | File Server