screen is a small program that will allow you to keep multiple terminal sessions running and easily switch between them. It also protects you from disconnection, because the screen session doesn’t end when you get disconnected.
to install screen in ubuntu, open a terminal and type the following:
sudo aptitude install screen
now you can start a new screen session by just typing screen at the command line. You’ll be shown some information about screen. press enter, and you’ll be at a normal prompt.
sudo aptitude install screen
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this one is easy, but is asked quite often on the forums. to find out the version of ubuntu you are currently using, type the following command in the terminal:
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i like to use webmail over https because i only have one ip address for my web server and mail server which are on separate boxes. to set zimbra up to use https instead of http use the following command
zmtlsctl https
zmcontrol stop
zmcontrol start
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if you’re like me, you’ll want to use your blackberry with your mail server to send and receive all of your spam messages. by default, zimbra collaboration suite is setup secure enough that a bis (blackberry internet service) server will not be able to connect to your box and push email to your phone, but there is a work around.
warning: the following howto will cause your passwords to be sent as clear text which is not recommended
1. log into the admin page by going to https://mail.<yourdomail>.com:7071
2. select your server under configuration > servers
3. on both the imap & pop tabs, check
enable ssl for imap/pop3 service
enable clear text login
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