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Sjoerd

Sjoerd works as a penetration tester on web applications in Haarlem, The Netherlands.

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  • Haarlem, The Netherlands
  • Sjord
  • sjoerdlangkemper.nl
  • Member for 9 years, 1 month
  • 24 profile views
  • Last seen Feb 2 at 14:58

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10 Combine columns from several files into one Mar 30 '19
3 Change order of startup services with systemd Nov 19 '16
3 CUPS: Adding printer fails with “Unable to get list of printer drivers: Success” Jul 3 '16
3 Bash script not working in crontab Jan 21 '17
1 Permission problem running touch through ssh command (but not with ssh access) Mar 27 '19
1 Return the next 50 characters after a string is found in a file Apr 9 '19
1 How do I test for link to a link? Apr 10 '19
1 Qemu with binfmt in chroot Sep 2 '16
1 Should I remove ICMP Protocol from firewall rules base on security concern? Mar 27 '19
0 Meaning of 'wait $${!}' in docker-compose.yaml? Oct 1 '19
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