linux


howto use ansible to setup a node.js gaming application 1

As IT systems become more complex and the need for better solutions to manage hundreds and thousands of services and applications increases, administrators have realized that using traditional operational methods to manage scalable systems are not working any more. Tools for configuration management and automation become essential. Such tools can be used to install a […]


How to save a remote server SSL / TLS certificate locally as a file

In linux you can just use the openssl commandline tools to download any certificate from a remote web-server and store it in a local file. Show the certificate chain and public key of a web-server openssl s_client -connect slash4.de:443 -showcerts To directly extract the certificate and save it to a file you can use these […]


How can I download an entire website to static files and harden my CMS?

You can easily harden your wordpress/CMS installation by downloading it to static files and only publishing those static files to the internet. Security vulnerabilities are regularly found in all common used CMS systems – if you just need your CMS to publish content (no interaction like comments) then the following is an option to really […]