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open a port permanently on linux using nc (netcat) [duplicate] nc is the wrong tool for this job (to a greater or lesser degree based on which version you have; the more appropriate ones have the option to fork a subprocess for each new incoming connection) Use a proper built-to-purpose superserver -- xinetd was the up-and-coming standard 25 years ago; today I'd suggest tcpsvd
Read . nc (netcdf) files using python - Stack Overflow I am trying to learn how to read netcdf files using Python in the most easiest fastest way I heard that it can be done with 3 lines of code but I really don't know how I am running the MITgcm num
How to display nc return value in Linux shell script? I am using nc command in my Linux box like below to check if a port is listening; This displays success message: nc -z 192 168 0 2 9000 This displays 0: echo $? I have combined it in a shell scr
What is the difference between ssh proxycommand -W, nc, exec nc The old nc version doesn't allow using different usernames for the bastion and target server Also, I recently learned that ssh 7 3 and newer introduced a ProxyJump parameter which is a more user-friendly option to the ones you mentioned
Convert NetCDF file to CSV or text using Python - Stack Overflow I'm trying to convert a netCDF file to either a CSV or text file using Python I have read this post but I am still missing a step (I'm new to Python) It's a dataset including latitude, longitude,
linux - nc: invalid option -- z - Stack Overflow nc -z hostname port Into this: cat dev null | nc hostname port You might also want to add in an option like -w 1s to avoid the long default timeout There might be a cleaner combination of options that avoids the need for the dev null but I couldn't figure out what
Connect with SSH through a proxy - Stack Overflow So, I know the nc has different versions like openbsd-netcat and GNU-netcat, you can change the nc in debian to the openbsd version, but I choose to change the software like corkscrew, because the names of the two versions of nc in system are same, and many people don’t understand it well My approach is as follows sudo apt install corkscrew
Windows SSH ProxyCommand usr bin bash: line 0: exec: nc: not found on . . . The reason is that Git Bash for Windows has no nc (netcat) command As a workaround please replace: nc -X 5 -x proxy abc com:4850 %h %p with connect -S proxy abc com:4850 %h %p So the final command would be: ssh -vnNT -L 2555:destination-server com ubuntu@x amazonaws com -o "ProxyCommand=connect -S proxy abc com:4850 %h %p" Even if you're using nc from an ssh config file, you can replace nc -X
Windows 7 netcat error: nc is not recognized as an internal or . . . Extract the files (e g C:\NetCat) Open two cmd prompts and navigated to cd \NetCat Execute nc exe -l -p 9999 in one cmd window and nc exe localhost 9999 in another Note that I'm on a 32b windows7, for 64bit use nc64 exe Test by typing Hello in one command window and check if it is displayed in the other