Can I pipe stdout on one server to stdin on another server?
stdout on one CentOS server needs to be piped to stdin on another CentOS server. Is this possible?
stdin
Unix systems without /dev/stdin, /dev/stdout, and /dev/stderr?
The system may provide non-standard extensions. These are features not required by POSIX.1-2008 and may include, but are not limited to: […] Additional character special files with special properties (for example, /dev/stdin, /dev/stdout, and /dev/stderr)
Redirect stdin and stdout to ports
I’d like to take a program P that reads from stdin & writes to stdout, but connect it to nc or whatever such that it reads from a certain port and outputs to another port.
Commands leaking characters to bash
While building a small expect script I noticed that, after executing the script, some characters were automatically on the input of bash. I have seen that on other programs before, but here I have something reproducable.
SSH connections running in the background don’t exit if multiple connections have been started by the same shell
Apparently, if the same shell launches multiple ssh connections to the same server, they won’t return after executing the command they’re given but will hang (Stopped (tty input)) for ever. To illustrate:
Piping data to a process’s stdin without causing EOF afterward
I have an executable that starts a user-interactive shell. I would like to, upon launch of the shell, inject a few commands first, then allow the user to have their interactive session. I can do this easily using echo:
Make program first read from pipe, then from keyboard
Consider the interactive program interactive. I have to run this program fairly frequently, and each time I run it the first few commands are the same. Obviously, having to type those commands over and over again is a pain. I have collected those command (separated by newlines) in the file cmd. Now I can do cat cmd | interactive to run the commands. The problem is that once cmd has been fully read, interactive recieves EOF and exits.
background process pipe-input
if i want to display “aaa” on screen:
stdin, stderr, redirection and logs
Is there a difference between those two lines ?
tee stdout to stderr?
I’d like to send stdout from one process to the stdin of another process, but also to the console. Sending stdout to stdout+stderr, for instance.