"sha1sum" is part of GNU Coreutils, neither BIND 9 dependency nor POSIX. Replace it with "openssl sha1 -r" as OpenSSL is BIND 9 dependency.
"sha1sum" is part of GNU Coreutils, neither BIND 9 dependency nor POSIX. Replace it with "openssl sha1 -r" as OpenSSL is BIND 9 dependency.