Docker

Docker installation for centos See active containers Docker file example Build using bocker file in the same dir See all docker images Delete an image Stop a container Enter in a container and start a /bin/bash session Copy file Docker compose up and build Prune images and containers Docker service

Disable ssh root access

The first thing to do, when you setup a new server is to disable root access via ssh First you need to login with root privileges and create a new user and assign to it a new password then locate and edit you sshd_config file (usually under/etc/ssh/sshd_config) After that restart Read more…

Cron

The software utility cron also known as cron job is a time-based job scheduler in Unix-like computer operating systems. Normally the crontab util is located under /etc/crontab Locate your crontab and enter with your default editor In this case the script “test.sh” it’s executed with “root” user permission, every minutes Read more…