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rated 0 times [  49] [ 0]  / answers: 1 / hits: 69323  / 2 Years ago, fri, june 17, 2022, 5:03:04

I have an rsync job that has been added to a crontab and when it's running, I can only check that there's a rsync PID and confirm with htop that it's eating up n amount of CPU and RAM.



What I'd like to do is to monitor what files are actually being rsync'ed in realtime...when I want to. FYI I haven't passed any verbose option to the command nor have I added some logging. I really just want to check what's being rsync'ed on demand.



Any idea how I could achieve that?


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 Answers
5

You can do (in POSIX shells, including bash):


strace -e open,openat $(ps -o lwp= -LC rsync | sed 's/^/-p/')

Or in zsh:


strace -e open,openat -p${^$(ps -o lwp= -LC rsync)}

Or in fish


strace -e open,openat -p(ps -o lwp= -LC rsync)

Or in rc/es:


strace -e open,openat -p`{ps -o lwp= -LC rsync}

To see what it's doing, or


lsof -ad3-999 -c rsync

to see what files it currently has opened.


[#30227] Friday, June 17, 2022, 2 Years  [reply] [flag answer]
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