How do I check if my linux server connects to another server

I am trying to configure my worklight server for push notifications. As such I need to ensure that my worklight server, which is a linux server, can access the following ip addresses:

gateway.sandbox.push.apple.com:2195
feedback.sandbox.push.apple.com:2196
gateway.push.apple.com:2195
Feedback.push.apple.com:2196


Can anyone give me the commands on linux to do that? That is to check that the above four are accessible
onaled777Asked:
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Gerwin Jansen, EE MVETopic Advisor Commented:
To test connectivity, you can try telnet:

telnet gateway.sandbox.push.apple.com 2195

If it is working, you should get a reply like this:

Connected to gateway.sandbox.push-apple.com.akadns.net.
Escape character is '^]'.
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ThomasMcA2Commented:
Use telnet. Use the following format, where #### is the port to connect to:

telnet some.domain.com ####

$ telnet gateway.sandbox.push.apple.com 2195
Trying 17.110.227.35...
Connected to gateway.sandbox.push.apple.com.
Escape character is '^]'.

If you get the Connected... message, then you successfully connected to that server and port.

Type quit to exit telnet, then try the next domain in your list.

EDIT: Gerwin beat me by 2 1/2 minutes!
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onaled777Author Commented:
Thank you both for your lighning responses! I appreciate.
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Gerwin Jansen, EE MVETopic Advisor Commented:
You're welcome ;)
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