[Bug 1868553] Re: libefi* integration breaks grub-install on MD devices

Here's a Debian bug report from 2019 for the same issue: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925591 ** Bug watch added: Debian Bug tracker #925591 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925591 -- You received this bug notification because you are a member of Ubuntu

[Bug 854705] Re: dig returns 0 regardless of result of query

You can use grep to detect that dig returns a non-empty string dig +short www.google.not-com | grep -v -e '^$' > /dev/null && echo SUCCESS || echo FAILURE prints FAILURE dig +short www.google.com | grep -v -e '^$' > /dev/null && echo SUCCESS || echo FAILURE prints SUCCESS -- You