Run command and get its stdout, stderr separately in near real time like in a terminal
I am trying to find a way in Python to run other programs in such a way that:
tty
Why is printing to stdout so slow? Can it be sped up?
I’ve always been amazed/frustrated with how long it takes to simply output to the terminal with a print statement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
Run interactive Bash with popen and a dedicated TTY Python
I need to run an interactive Bash instance in a separated process in Python with it’s own dedicated TTY (I can’t use pexpect).
I used this code snippet I commonly see used in similar programs:
In which cases is SIGHUP not sent to a job when you log out?
I read an answer from a user who claimed that running
Why does awk do full buffering when reading from a pipe
I’m reading from a serial port connected to a gps device sending nmea strings.
What happens when Ctrl + Alt + F is pressed?
I am looking for an explanation of what happens in Linux when this key combination is pressed to change the current terminal. In particular, what software component intercepts this key combination and changes the terminal? Is it the kernel? If it is the kernel, could you provide the location of the source file which handles this?
What exactly is scrollback and scrollback buffer?
What are “scrollback” and “scrollback buffer” in programs like bash and screen, and how do they relate to the tty, the programs being run, and stdin/ stdout/ stderr?
How to read/write to tty* device?
I have a device that sends information over USB to my computer. Arch Linux sets up this device by creating a file named ttyUSB0 in /dev/. I have been using GTKterm to receive this incoming information and display it in an emulated terminal window.
force output to input (buffer) like “33[6n” in a script
I have tried using pipes and redirections to have (C program or scripts) output end up on the input buffer, the way printf "33[6n" does, but no positive results.
How to get the real name of the controlling terminal?
How can one get the real name of the controlling terminal (if there is one, else an error) as a pathname?