Redirect nohup to dev null

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H-Thanks for the detailed information. Explainations are always welcome. I understand a lot more about what it's trying to do now that I know what it's suppose to do. 8^)
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Additionally, you can empty contents of a file by redirecting output of /dev/null to it (file) as input using cat command: # cat /dev/null > access.log This problem can also be overcome by redirecting all three I/O streams: nohup ./myprogram > foo.out 2> foo.err < /dev/null & Así que usted podría hacer algo como: ssh -n -f [email protected]
If stdin is a terminal, then nohup redirects stdin from `/dev/null'. Why? Awareness of following fact is required to understand the reason: If a background job (i.e. any process in background process group) tries to read from the terminal then the job is stopped by sending it the signal SIGTTIN. Dec 01, 2016 · And the /dev/null device file is therefore a special file that writes-off (removes) any input sent to it or its output is same as that of an empty file. Additionally, you can empty contents of a file by redirecting output of /dev/null to it (file) as input using cat command: # cat /dev/null > access.log
You close stdout by redirecting it to /dev/null, do the same for stderr. Jean-Louis. douellet. June 28th, 2012, 09:50 AM ... nohup > /dev/null 2>&1 sudo -u dbowner ... How can I turn off logging for Shadowsocks? And there's a DNS leak. How do I change the DNS server? I could not find any resources on the internet. Thank you.
Nov 12, 2003 · How about if you close or redirect the input of vdr:./vdr -Pdxr3 </dev/null & or./vdr -Pdxr3 <&- & This latter is what I do. You know, vdr tries to read stdin also for keypresses by default. Closing stdin makes vdr not to try it.-- Info: To unsubscribe send a mail to [email protected] with "unsubscribe vdr" as subject.
The overall flow looks like this: Redirect tty input to dev/null as write only to force an error on read Redirect tty output to nohup.out Redirect tty error - retained in case of execvp () failure这也是有用的关闭输入的fd手动像这样:</dev/null; Linux将自动执行此操作,但如果没有手动完成,您仍然会在nohup的输出中看到一行内容:nohup: ignoring input —
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