Hi Lionel,
this seems to be an nohup / ssh issue.
It looks like wget (or better: your script) receives another signal than
SIGHUP. It might be SIGPIPE, which is typical when you try to write to a
stream that has been closed or has no reader any more. This may be the
reason why it works with -q: the closed stream isn't detected and no
SIGPIPE is generated.
Hm, just seeing that SIGPIPE is ignored by wget... so looks like my
guess was wrong. Without further working into, I can't exactly say.
Regards, Tim
On 31.05.21 22:54, Lionel_deschamps wrote:
Hi all !
It might be a bug in wget (or me not being a pro with messages ...).
I wrote a simple bash program performing some periodic wget request and
some sleeps between each request called prequest.sh
I do execute this program through ssh and I would like this program to run even
if ssh connexion is lost.
I did use in ssh : nohup ./prerequest >/dev/null 2>&1 &
Now here is my “bug”
If I use wget with -q option, it runs fine and keeps running even if
disconnected
I I use directly wget without -q, it runs fine but wget are not performed if
i’m disconnected. Prequest seems to run as the sleeps are done.
I honnestly see no links between the -q option (no output) and the ssh
disconnection effects and I’m very interested in understanding the issue or let
you know that there might be a bug in wget.
Thansks all and have a great day.
Lionel Deschamps
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