Allow firewalld for webmin access after post installation Rumi, August 4, 2019 FirewallD is an IPv6 compatible firewall mechanism used in recent Linux distributions (RedHat/Fedora/CentOS) replacing good old iptables. dynamically managed firewall; support for network/firewall zones (define trust level of network connections/interfaces; support both IPv4 and IPv6; support ethernet bridges and IP sets; separated runtime/permanent configuration; service/application can add firewall rules directly; FirewallD with some basic rules Firewalld should open port 10000 for webmin: firewall-cmd –permanent –zone=public –add-port=10000/tcp reload is needed to activate the permanent rule in current environment firewall-cmd –reload If you managed to stop firewalld restart with: systemctl start firewalld Related Administrations Configurations (Linux) CentOS 7FirewalldWebmin
Ubuntu Server 18.04 LVM out of space with improper default partitioning February 1, 2020 Problem Statement: I installed Ubuntu Server 18.04 with the LVM option and left the default partition setup. Now my main drive only has 4GB in a 1TB hard drive. How can I fix this without starting from scratch? Results of df -h : Filesystem Size Used Available Use% Mounted on… Read More
Sharing Volumes Between Containers July 28, 2020 There are many situations where it is useful to share a Docker volume between containers, and several ways to accomplish this goal. Sharing a Volume on the Host If you create a volume on the host machine, it can be used by multiple different containers at once. This allows you… Read More
Zimbra Domain Administration (Multi-tenant) June 4, 2015 In order to create a multi tenancy in zimbra OSA, can be acheived through a bash script below. Thanks to Ahmad Imanuddin (http://www.imanudin.com) for sharing this very useful script. cd /srv/ vi admin-delegate.sh Fill with the following line : Related Read More