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Mar 10, 2017 · That is because nohup sees bash is connected to a terminal and redirects all output of bash to nohup.out and all input to /dev/null, but the command that bash executes (echo y | remote_backup >tmp...

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Sep 04, 2005 · So if you have already redirected them then nohup has nothing to do. But you need to redirect the other files too. If the input is a tty then it gets redirected from /dev/null. nohup somecommand > somefile 2>&1 & sleep 1; tail -f somefile But you don't need nohup these days. This should work just as well.

Commands¶ class clom.command.Command(clom, name, parent=None) [source] ¶. A command line command. Don’t use directly, instead use a clom object. >>> from clom import clom >>> type (clom. cat) <class 'clom.command.Command'>
Sep 21, 2020 · You can send output to /dev/null, by using command >/dev/null syntax. However, this will not work when command will use the standard error (FD # 2). So you need to modify >/dev/null as follows to redirect both output and errors to /dev/null.
Feb 18, 2013 · nohup ./myprogram > foo.out 2> foo.err < /dev/null & Also note that a closing SSH session does not always send a HUP signal to depending processes. Among others, this depends on whether a pseudo-terminal was allocated or not.
Tip: When you manage many clients that run scheduler processes, you also might want to be able to start and stop the client service from a remote computer. The client for Windows provides a utility to assist with remote management of the scheduler service.
nohup OPTION DESCRIPTION Run COMMAND, ignoring hangup signals. --help display this help and exit --version output version information and exit If standard input is a terminal, redirect it from /dev/null.
If you need to discard the stream, you can re-direct it to /dev/null: ps -ef 1>/dev/null It is also possible to re-direct the standart output of one process into the standard input of the other using pipes "|" : command_1 | command_2 .
Both forms nearly equivalent. The : makes a difference only when parameter has been declared and is null. ${parameter-default},${parameter:-default} If parameter not set, use default. ${parameter-default} and ${parameter:-default} are almost equivalent. The extra : makes a difference only when parameter has been declared, but is null.
nohup command & You can also redirect the output if you don't want a nohup.out to be created nohup command >/dev/null 2>&1 & Posted by Florian Semrau at 6:43 AM.
proxychains is a hook preloader that allows to redirect TCP traffic of existing dynamically linked programs through one or more SOCKS or HTTP proxies. It can be used to launch a single app whose traffic will go through a chains of proxies defined in /etc/proxychains.conf (default is 127.0.0.1:9050 for tor).
nohup command >/dev/null 2>&1 & # runs in background, still doesn't create nohup.out Su Linux, l’esecuzione di un lavoro con nohup chiude automaticamente anche il suo input. Su altri sistemi, in particolare BSD e OS X, non è così, quindi quando si esegue in background, si potrebbe voler chiudere il suo input manualmente.
Mar 25, 2005 · You could use nohup, but nohup redirects the standard out and error to files, which is annoying because you are writing all output to a log file anyway. You could do java -cp your_class_path com.domain.main_class <&- 1>/dev/null 2>&1 & which runs the program in the background, closes standard in, and redirects standard out and error to the bit bucket.
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  • $ nohup bash -c 'mkdir TestDir && touch test2.file && ls'> output.txt nohup: ignoring input and redirecting stderr to stdout $ cat output.txt TestDir nohup.out output.txt test2.file testfile.txt Starting and ending process in background. If you run the ping command using nohup, the process will not terminate when you close the terminal.
  • Aug 07, 2020 · Unix & Linux: Is there a way to redirect nohup output to a log file other than nohup.out? The Question: I frequently use the program nohup so that my process...
  • Sep 23, 2015 · nohup: redirecting stderr to stdout Aborted due to errors...Cleaning Up. ... 17156 Killed nohup cat < ./siegepipe > ./log/siege.log > /dev/null 2>&1 Mon Dec 10 13:51 ...
  • Oct 13, 2019 · Additionally, this nohup.out would be a 2nd I/O operation that would recreate the server.log file for the J2EE service. To avoid this 2nd I/O operation, review leveraging a redirection of the nohup to /dev/null or determine if this J2EE service can be enabled as a RC/init.d or systemd service.
  • $ nohup bash -c 'mkdir TestDir && touch test2.file && ls'> output.txt nohup: ignoring input and redirecting stderr to stdout $ cat output.txt TestDir nohup.out output.txt test2.file testfile.txt Starting and ending process in background. If you run the ping command using nohup, the process will not terminate when you close the terminal.

How to redirect the output of an application in background to /dev/null, >/dev/null 2>&1 means redirect stdout to /dev/null AND stderr to the place where stdout Without any parameter all output lands in nohup.out. To Append output in user defined file you can use >> in nohup command. nohup php your_command >> filename.out 2>&1 & This command ...

"Print the database, use /dev/null as (dummy) Makefile, ignore errors. Grep the line starting with .c (the .c implicit rule), and the following 6 lines. Ignore lines which are comments."
You'll see a number of posts talking about capistrano hanging when trying to use nohup (stackoverflow) but redirecting both stdout and stderr to /dev/null solves that one. The problem I ran across is that the nohup would not actually succeed in launching the process. nohup does not automatically put the command it runs in the background; you must do that explicitly, by ending the command line with an ‘&’. Also, nohup does not alter the niceness of command; use nice for that, e.g., ‘nohup nice command’. command must not be a special built-in utility (see Special built-in utilities).

Redirect standard output to /dev/null. Redirect errors (stderr or 2) to wherever standard output goes (stdout or 1). Chrome – An exception to Nohup Some applications like Chrome, have a known issue that they will exit when the terminal is closed even when run with the nohup command.

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Jan 22, 2016 · i use b4j write a small server type application need to run on raspiberry pi. i'm able run at raspiberry pi manual launch the application with no error, but i need to auto start the application when device boot. how can i do that, i already test many way but fail. please help me. here some link...