Command Line Tools

jq

Pretty print

echo '{"foo": "lorem", "bar": "ipsum"}' | jq

jq . file.json

Compact output

jq -c . file.json

Check which process takes too much memory / CPU

# Sort by Memory Usage, avoiding grep process itself
ps aux | grep '[C]ode' | sort -rk 4,4

# Sort by CPU Usage, avoiding grep process itself
ps aux | grep '[C]ode' | sort -rk 3,3

grep '[C]ode' can be replaced with any other process name