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Security
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Linux and network
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Where to start
First steps
15 stages · From system basics and command input to navigation, files, text, and pipelines.
Track map 11 tracks · 123 stages
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Command index 432
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Containers: Docker and compose
Read the output
~/report
$ curl -si localhost:8081 | head -1 HTTP/1.1 403 Forbidden $ sudo docker logs report 2>&1 | grep -o 'open().*denied)' open() "/usr/share/nginx/html/index.html" failed (13: Permission denied) $ ls -l ~/report/index.html -rw------- 1 student student 20 Oct 20 14:42 /home/student/report/index.html
sudo docker restart report
sudo chown root ~/report/index.html
chmod 777 ~/report/index.html
chmod o+r ~/report/index.html