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=== Check if variable is set ===
=== Check if variable is set ===
if [ -z ${var+x} ]; then echo "var is unset"; else echo "var is set to '$var'"; fi
if [ -z ${var+x} ]; then echo "var is unset"; else echo "var is set to '$var'"; fi
=== Check command success ===
<source lang="bash">#!/bin/bash
OK="[\033[01;32m OK \033[01;36m]\033[01;00m"
FAIL="[\033[01;33m FAIL \033[01;36m]\033[01;00m"
function check_success {
if [ $? -eq 0 ]; then
echo -e ${OK}
else
echo -e ${FAIL}
fi
}
echo -en "\033[01;36m Restarting Gunicorn ... "
cat CHANGELOG.md &> /dev/null
check_success
</source>
=== Ubuntu proxy setup ===
=== Ubuntu proxy setup ===