Re: [CentOS] Cents OS from Bash Shell

I'm all for helping people with their questions and problems...heaven knows, I've needed my share of help with things, but I don't usually ask until I've performed some level of research.

Having said that, I hope that you will all accept my apologies for any interpreted attitude in what follows.

I want to know the right command to type from a bash shell so that i can

1. Check the version of my cent os

http://www.lmgtfy.com/?q=Check+the+version+of+my+cent+os

2. Check all the open ports (tcp and udp) on my machine

http://www.lmgtfy.com/?q=How+can+I+list+all+the+open+TCP+and+UDP+ports+on+my...

3. Open a specific port say port 3306 so that a telnet request from a

remote machiene can be accepted

4. Disable the effect of 3 above in case I want to

http://www.lmgtfy.com/?q=How+can+I+open+or+close+a+specific+port+in+my+iptab...

Thanks in anticiaption of your kind responses to the questions above.

You're welcome.