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You have a server, but want to setup VNC to access the GUI? This tutorial will help with that. We've used Ubuntu 16.04 to install, but it should work with others as well.
Install the components
apt-get -y install ubuntu-desktop tightvncserver xfce4 xfce4-goodies autocutsel
Add the vnc user and give it a password:
You can add vnc as sudo, so you could run apps as root. Edit the sudoers file:
echo "vnc ALL=(ALL) ALL" >> /etc/sudoers
Q: We have switching our Exchange server to another one, but the autodiscover keeps reverting back. Is there a way to fix this?
A: You can manually bypass the Microsoft Exchange settings. (Below was tested on Exchange 2010 and 2013.)
Adjust the following registry settings. Depending on your version of Microsoft Office the number between "Office" and "Outlook" will change. For example, in Outlook 2007 it is 12.0, for Outlook 2010 it is 14.0, for Outlook 2016 it is 16.0:
The widely used ifconfig is missing from Centos 7.X version of Linux with minimal install. To get it back, run the following command:
The command will then be available as usual.
If you don't want to use ifconfig and are wondering how else you can find the IP address, you can run this command:
These are instructions for generating the CSR (Certificate Signing Request) for Apache 2.
1) Log in to your server's terminal (SSH).
openssl req -new -newkey rsa:2048 -nodes -keyout domainname.key -out domainname.csr
Q. We would like to enable subject logging in Postfix, how do we go about doing that?
A. First, you need to install postfix-pcre package (Perl Compatible Regular Expressions support for postfix). We were doing it on Ubuntu 12, so:
apt-get install postfix-pcre