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#!/bin/bash
VALUE=$(cat /boot/config-$(uname -r) | grep CONFIG_USER_NS)
if [[ -z "$VALUE" ]]
then
echo 'You do not have namespacing in the kernel. You will need to enable the SUID sandbox or upgrade your kernel.'
echo 'See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md'
exit 1
fi
USER_NS_AVAILABLE="${VALUE: -1}"
if [[ "$USER_NS_AVAILABLE" == "y" ]]
then
exit 0
else
echo 'You do not have namespacing in the kernel. You will need to enable the SUID sandbox or upgrade your kernel.'
echo 'See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md'
exit 1
fi
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