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Code Completion 5 Challenges

Complete the config: The Nginx Debugging Toolkit

Fill in working_directory for core dumps, debug logging, and forensics commands.

Advanced ~4 min read

Challenge 1

Give dropped-privilege workers a writable place for core dumps.

nginx Your answer 
 /var/cache/nginx/cores/;

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Challenge 2

Dump the fully merged, active configuration.

nginx Your answer 
$ nginx

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Challenge 3

Trace events on one canary server block only.

nginx Your answer 
server {
     /var/log/nginx/canary.error.log debug;
}

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Challenge 4

Count a worker's open file descriptors.

nginx Your answer 
$ ls -l /proc/$(pgrep -f 'nginx: worker' | head -1)/ | wc -l

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Challenge 5

Identify process roles in the process list.

nginx Your answer 
$ ps aux | grep

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