What's the difference between ">&1" and ">/proc/self/fd/1" redirection ...
14 июл. 2016 г. ... A redirection like >/proc/$pid/fd/1 opens the file /proc/$pid/fd/1 . This creates a fresh file descriptor. The files in /proc/*/fd are special, ...
Docker: Use /proc/self/fd/1 as default output file for logging · Issue ...
29 мая 2020 г. ... The Docker philosophy is to log to STDOUT. Thus the default logfile should be /proc/self/fd/1 (STDOUT) or /proc/self/fd/2 (STDERR).
A cool trick with /proc/self/fd : r/linux
12 апр. 2014 г. ... tl;dr /proc/self/fd/1 points to a process' standard output. You can use this to trick programs into printing to the terminal instead of files.
linux - Difference between stdout and /dev/stdout - Stack Overflow
11 июн. 2015 г. ... /dev/stdout is a device file, which is a link to /proc/self/fd/1 , which means it is referring to the file descriptor 1 held by the current ...
Application output to docker logs works only when developer direct ...
16 авг. 2018 г. ... Your approach of writing directly to /proc/1/fd/1 will be problematic if the process drops root privileges but PID 1 is still running as root.
cron - Permission Denied as root when writing to /proc/1/fd/1 in ...
8 мар. 2022 г. ... A way around this is to have the file be owned by a non-root user. This can be done by calling cron -f inside of a startup script from CMD ...
command line - What are these auxiliary file descriptors? - Ask Ubuntu
1 янв. 2017 г. ... When you do /proc/self/fd/* , the shell expands the wildcard, so it's listing its own file descriptors. But when these are passed to another ...
Container (non-root) user can't write to /dev/stdout or /dev/stderr ...
27 янв. 2023 г. ... ... proc/self/fd/1. Here is a demonstration using regular files instead of pipes. (Edit: explanation below) # whoami root # touch /tmp/out; ls ...
PROBLEM?: "permission denied" when accessing /proc/self/fd ...
7 авг. 2008 г. ... > /proc/self/fd/1 & 2 respectively), which results in EACCESS. Expected > behavior is that the process should be able to open these already
View container logs | Docker Docs
The official httpd driver changes the httpd application's configuration to write its normal output directly to /proc/self/fd/1 (which is STDOUT ) and its errors ...