Новая порция добра для вашего crontab: ‰ cat /usr/local/sbin/check-kernel-release #!/bin/bash f=/var/db/newest-kernel-release old=$(cat "$f") new=$(curl -sS https://www.kernel.org/feeds/kdist.xml | sed -n -e '/stable/{s#.*[^0-9]\([0-9]*\.[0-9]*\)\.[0-9].*#\1#p;q}') if [ -n "$new" ] && [ "$old" != "$new" ]; then echo "Subject: new kernel have released: $new" | sendmail l29ah@cock.li echo -n "$new" > "$f" fi