Docker Delete all images

Before you can delete a docker image, you need to delete any container that is based on this image. So

Delete all docker containers

We need to use diff commands to to do this. First lets get list of all containers. This will list

Backup and Restore Docker Image

To backup docker image, run To restore a container, run Backup and Restore a Docker Container To backup, run To

Install x2go Server in Ubuntu 16.04

To install x2Go server in Ubuntu, run if you don’t have xfce, install it with See x2go, add-apt-repository

no matching host key type found. Their offer: ssh-dss

When i try connect to a server, i get error Same happens with scp To fix, add -oHostKeyAlgorithms=+ssh-dss to the

ioncube

How To Install ionCube on Ubuntu 20.04 Install ionCube on Ubuntu 18.04 Install ionCube on Debian 8 Install ionCube on

Install ioncube on Debian 8

To install ioncube Debian 8, first download the ioncube loader from http://www.ioncube.com/loaders.php This folder have loader for several PHP versions,

spf

http://www.openspf.org/SPF_Record_Syntax Here is some SPF examples DMARC record If you need to reject email, add If you just need report,

Red Hat acquires CoreOS for $250 mililon

CoreOS is a container-optimized Linux operating system to be used under docker/Kubernetes. On January 30, 2018, Red Hat, Inc. announced

firewall-cmd

firewall-cmd is used to manage firewall (iptables). It is used by default on latest version of CentOS, RHEL. Firewalld list

pip

Install pip On CentOS On Ubuntu On Ubuntu, python3 Install a python module from github using pip Now run Install

usermod

Lock User Account in Linux How to change home directory of a Linux user On CentOS, wheel group allow users