Zimbra Mail Server CentOS firewall settings
On CentOS 7 server with firewalld running, used following command to open ports used by Zimbra Mail Server. firewall-cmd –zone=public –permanent –add-service=http…
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Zimbra redirect webmail http to https
After Zimbra mail server installed, webmail work on url https://SERVER-HOSTNAME-HERE/ If you access webmail with out HTTPS, it won’t work. To set…
yum-config-manager
yum-config-manager allows you to manage yum repositories. To add a repo, run yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo Disable a repository yum-config-manager –disable rpmfusion-free-updates See…
Start MongoDB from command line
To start MongoDB from command line, run mongod –auth –dbpath /path/to/mongodb See MongoDB
Install SSL Certificate on Zimbra mail server
To install SSL certificate for Zimbra Mail Server, login to server, switch to user zimbra Now create file commercial.key, paste your Private…
Remote Desktop
Remote Desktop Software https://guacamole.apache.org Google Chome Remote Desktop https://rustdesk.com – Free Open source teamviewer alternative. Enable Remote Desktop Enable Remote Desktop in…
Ubuntu allow a normal user to edit WiFi Connection
When a normal user edit Wi-Fi connection on Wi-Fi Settings, they will be asked to enter administrator user pasword. To allow a…
Change Linux user shell
To change shell for a user, run chsh –shell PATH_TO_SHELL USERNAME Example chsh –shell /bin/bash okadmin I will add a user, if…
CentOS add IP Address
To add IP address on a Linux server, first find name of your network interface. This can be done with command ip…
gonit golang replacement for monit
gonit is a replacent for monitoring software monit. monit was removed from Debian 10 due to security issues and the devloper will…
FTTH ONU HG323RGW with BSNL
I was using NetLink ONU with one antenna, and it worked perfectly fine. I always get good speed. One day this ONT…