how to check the port connectivity to remote server or within the server if telnet is not installed


Use Below command if Telnet is not installed in the server


Nice and verbose! From the man pages. 
Single port:
nc -zv 127.0.0.1 80
Multiple ports:
nc -zv 127.0.0.1 22 80 8080
Range of ports:
nc -zv 127.0.0.1 20-30
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you can us cat also to check the connectivity 
cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_6.6.1 
how to check the port connectivity to remote server or within the server if telnet is not installed how to check the port connectivity to remote server or within the server if telnet is not installed Reviewed by TecGeeks on November 28, 2017 Rating: 5

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