Systemd start/stop service on schedule

Systemd is a system and service manager for Linux operating systems. Systemctl is a command to introspect and control the state of the systemd system and service manager. In order to run a service at specified time we need a timer to start service when needed. Timers are systemd unit files whose name Read more…

Install OpenCTI using Docker

Required: a running Docker host git client installed on your PC docker-compose (optional) OpenCTI is an open source platform allowing organizations to manage their cyber threat intelligence knowledge and observables. It has been created in order to structure, store, organize and visualize technical and non-technical information about cyber threats. The Read more…

Extract certificates from p12 certificate file

P12 certificate of PKS12 certificates defines an archive file format for storing many cryptography objects as a single file. It is commonly used to bundle a private key with its X.509 certificate or to bundle all the members of a chain of trust. A PKCS #12 file may be encrypted and signed. The internal storage containers, called Read more…

Enable TCP BBR Centos 7

One of the oldest protocols and maybe the most used protocol on the Internet today is TCP. You likely send and receive hundreds of millions TCP packets (or segments) a day, and it just works! Many peoples believe TCP development has finished, but that’s not right. In this post will Read more…

Netbox with Active Directory authentication config

NetBox is an open source web application designed to help manage and document private computer networks. Initially conceived by the network engineering team at DigitalOcean, NetBox was developed specifically to address the needs of network and infrastructure engineers. It encompasses the following aspects of network management: IP address management (IPAM) – IP Read more…