Replace 1234 with the real pid from pgrep
$ pgrep www-browser
1234
gcore 1234
Saved corefile core.1234
grep "text from the post" core.1234 -a -A30 -B30
1234
gcore 1234
Saved corefile core.1234
grep "text from the post" core.1234 -a -A30 -B30
Published November 11th, 2015
Use gcore to dump Firefox's memory and you can recover the post data
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