Check if remote port is reachable using Centos
129496
What's the gnu-netcat's '-z' equivalent option in nmap-ncat?
84298
persist port routing from 80 to 8080
6932
Finding the process that is using a certain port in Linux
106082
Bash ping script file for checking host availability
17806
How to make X.org listen to remote connections on port 6000?
85052
Obtaining remote host name in bash script
35046
How can I control an existing remote shell?
120413
How can I detect if the shell is controlled from SSH?
50621
How to see if incoming HTTP requests are successful (view the responses) on Linux?
70866
Check command success in bash
88529
How to know who is listening to port 80 on Windows in multihomed case?
72612
Bind to ports less than 1024 without root access
30047
How to check opened/closed ports on my computer?
118058
Method to determine if path string is local or remote machine
57709
How to limit reverse SSH tunelling ports?
17671
Get the exact time for a remote server
154450
Listen for incoming request on port on Linux, then run command