devices - What does the output of `ll /proc/self/fd/` (from `ll /dev/fd ...
9 нояб. 2021 г. ... Since file descriptors 0 to 3 are already open when ls starts, and open uses the first available file descriptor, /proc/self/fd ends up being ...
error: can't mount image /proc/self/fd/3: failed to mount squashfs ...
1 июл. 2020 г. ... error: can't mount image /proc/self/fd/3: failed to mount squashfs filesystem: invalid argument #5408. Closed. Dipakam opened this issue on Jul ...
command line - What are these auxiliary file descriptors? - Ask Ubuntu
1 янв. 2017 г. ... By sending it to the background, I got bash to print the PID, and you can see that /proc/self/fd/3 points to ls ' own /proc/<PID>/fd , which it ...
What is the file descriptor 3 assigned by default? - Unix & Linux ...
23 июн. 2012 г. ... What you are seeing there is an artifact of the way ls(1) works: in order to read the content of the /proc/self/fd directory and display it, it ...
linux - Why is /proc/self/fd/N forbidden after setuid? - Stack Overflow
24 февр. 2023 г. ... If the link is just followed, then how does opening a deleted file work? Consider exec 3>foo; echo hello >&3; rm foo; cat /proc/self/fd/3 which ...
A cool trick with /proc/self/fd : r/linux
12 апр. 2014 г. ... but they are just symlinked to /proc/self/fd/[012], so they would fail the same way in a sudo'd session. Upvote 3. Downvote. Reply. u/bjackman ...
Does 3>&1 imply 4>&3 5>&3 etc.? - Stack Overflow
2 нояб. 2019 г. ... strace shows this sequence of system calls: $ strace -o strace.log tee /proc/self/fd/{3..6} 3>&1 ... $ cat strace.log ... openat(AT_FDCWD, ...
proc(5) - Linux manual page
Most Linux MAKEDEV scripts symbolically link /dev/fd to /proc/self/fd, in fact. ... 47) See /proc/kallsyms. /proc/loadavg The first three fields in this file are ...
linux - singularity : how to free loop devices? - Stack Overflow
4 мая 2021 г. ... FATAL: container creation failed: mount /proc/self/fd/3->/usr/local/var/singularity/mnt/session/rootfs error: while mounting image /proc ...
Squashfs not enabled
17 июн. 2021 г. ... FATAL Master() container creation failed: mount /proc/self/fd ... And the next line is where it fails to mount /proc/self/fd/3 on the same mount ...