Jozsef Vadkan wrote: > after trying to convert 173 jpg files to one pdf: > strace convert *.jpg ../outpud.pdf -verbose > +++ killed by SIGKILL +++ SIGKILL? What would be actively killing your process with kill -9? Could it be that it is running out of memory and the linux kernel out of memory killer (oom) is doing it? I would guess so in this case. How much memory is it using? You might need more VM space. You might be able to allocate more swap to avoid the limit. > can someone help me, how to convert 173 jpg files [~100 MByte] to one > pdf, _NOT_ using imagemagick? I would convert 173 jpg files to 173 pdf files first. Then concatenate 173 pdf files into one using pdftk. for f in *.jpg; do convert $f $(basename $f .jpg).pdf; done pdftk *.pdf cat output combined.pdf Bob
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