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Filename :
execsnoop-nd_example.txt
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Examples of execsnoop-nd.stp, the Linux SystemTap version. Tracing while "man ls" was executed: # ./execsnoop-nd.stp TIME UID PPID PID COMM ARGS Sat Jan 31 00:56:02 2015 0 11962 13472 man man ls Sat Jan 31 00:56:02 2015 0 13472 13473 sh sh -c /usr/bin/gunzip -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13472 13473 gunzip /bin/sh /usr/bin/gunzip -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13472 13473 gzip gzip -d -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13472 13474 sh sh -c /usr/bin/gunzip -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13472 13474 gunzip /bin/sh /usr/bin/gunzip -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13472 13474 gzip gzip -d -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13472 13475 sh sh -c (cd "/usr/share/man" && (echo ".ll 15.5i"; echo ".nr LL 15.5i"; echo ".pl 1100i"; /usr/bin/gunzip -c '/usr/share/man/man1/ls.1.gz'; echo ".\\\""; echo ".pl \n(nlu+10") | /usr/bin/gtbl | /usr/bin/nroff -c -mandoc 2>/dev/null | /usr/bin/less -is) Sat Jan 31 00:56:02 2015 0 13476 13479 nroff /bin/bash /usr/bin/nroff -c -mandoc Sat Jan 31 00:56:02 2015 0 13476 13481 less /usr/bin/less -is Sat Jan 31 00:56:02 2015 0 13476 13478 gtbl /usr/bin/gtbl Sat Jan 31 00:56:02 2015 0 13477 13480 gunzip /bin/sh /usr/bin/gunzip -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13477 13480 gzip gzip -d -c /usr/share/man/man1/ls.1.gz Sat Jan 31 00:56:02 2015 0 13482 13483 locale locale charmap Sat Jan 31 00:56:02 2015 0 13484 13485 mktemp mktemp /tmp/man.XXXXXX Sat Jan 31 00:56:02 2015 0 13479 13486 cat cat Sat Jan 31 00:56:02 2015 0 13479 13487 iconv iconv -f utf-8 -t utf-8 /tmp/man.OGU85G Sat Jan 31 00:56:02 2015 0 13479 13488 rm rm -f /tmp/man.OGU85G Sat Jan 31 00:56:02 2015 0 13476 13479 groff /usr/bin/groff -mtty-char -P-c -mandoc -Tutf8 Sat Jan 31 00:56:02 2015 0 13479 13489 troff troff -mtty-char -mandoc -Tutf8 Sat Jan 31 00:56:02 2015 0 13479 13490 grotty grotty -c The output shows all the exec() syscall, which is a rough way to examine new process execution. Some of these processes have called exec() more than once; also, some new process that only fork() won't be seen.