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Ports used by Plesk

The following is a list of ports and protocols used by Plesk services. Plesk Service Name Open Ports / Ports Used Administrative interface of Plesk over HTTPS TCP 8443 Administrative interface of Plesk over HTTP TCP 8880 Samba…

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Changing Plesk’s backup location in Linux

By default all backup data is stored in the directory /var/lib/psa/dumps . To change the default backup location connect to the Plesk server via SSH and modify the backup location in the Plesk configuration file /etc/psa/psa.conf by changing…

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Getting started with PHP Backup Utility (PHPBU)

Background PHPBU is a PHP framework used to create backups, move data to other servers or cloud services using a simple XML configuration file. PHPBU requires PHP 7.0, although if you don’t have access to PHP 7 you…

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Checking remote host TLS / SSL Version with nmap / openssl

Checking SSL / TLS version support of a remote server from the command line in Linux. Method 1: openssl s_client The simplest way to check support for a given version of SSL / TLS is via openssl s_client ….

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Symbiosis Backup Reference (backup2l)

Symbiosis uses the backup2l software to handle backups. backup2l is a lightweight command line tool for generating, maintaining and restoring backups on a hard disk. Backups are created autonomously by a cron script. It features differential backups at multiple hierarchical levels…

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Installing Bytemark Symbiosis on Debian 9 (Stretch)

Start with the network install or “netinst” image to install the operating system. This image contains just the minimal amount of software to start the installation and fetch the remaining packages over the internet. I’m using the 64…

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Sending Symbiosis backups to a server outside Bytemark

Symbiosis is an easy to use hosting environment developed by Bytemark. The system includes backup2l to handle backups. backup2l is a lightweight command line tool for generating, maintaining and restoring backups. The backup2l configuration is generated from the…

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Using .htaccess to redirect a .co.uk domain to .com for all pages

Customers often register .co.uk , .com  and .uk  domains to protect their brand. Domains can be left dormant or configured to redirect to the active site. A redirect is useful if visitors try to guess your top level domain…

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Unable to enter password at the disk decryption splash screen (Surface Pro)

Ubuntu Please Unlock Disk

Ubuntu 18.04 LTS is a good choice for Linux on the Surface Pro 3 if you decide to replace Windows. Without disk encryption the installation process took about 20 minutes without any patches. With disk encryption I was…

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Using a U2F Yubikey with Linux Mint 19 Tara

YubiKey U2F Security Key

Universal 2nd Factor (U2F) is an open authentication standard that strengthens and simplifies two factor authentication (2FA) using USB or NFC devices. It enables internet users to securely access any number of online services using a single security…

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