In DNS, how do I delegate just the zone apex to a different nameserver?

I have a domain with two completely distinct backends, as follows: The zone apex (example.com) serves a CloudFront distribution All other subdomains (*.example.com) point to a load balancer with an application behind it. There are thousands of subdomains. I have a non-AWS primary DNS provider for the domain (which I’m very happy with), however since…

Mediawiki is making Apache2 crash, what can I do?

When I call this URL : https://MyMediawikiDoma.in/index.php?title=MyArticle&type=revision&diff=3441&oldid=3424 Apache2 crash with this backtrace: (gdb) where #0 0x00007fe6039edc8a in ?? () from target:/usr/lib/apache2/modules/libphp7.2.so #1 0x00007fe6039ee6eb in ?? () from target:/usr/lib/apache2/modules/libphp7.2.so #2 0x00007fe6039eea96 in zend_parse_parameters () from target:/usr/lib/apache2/modules/libphp7.2.so #3 0x00007fe5f1bdf268 in zif_wikidiff2_do_diff(_zend_execute_data*, _zval_struct*) () from target:/usr/lib/php/20170718/wikidiff2.so #4 0x00007fe603a8f3fb in execute_ex () from target:/usr/lib/apache2/modules/libphp7.2.so #5 0x00007fe603a97267 in zend_execute ()…

Linux RAID0 creation with existing data disk and an empty disk

I have a CentOS 7.7 server which has a vhd /dev/sdc mounted (format-type= btrfs); it contains data. I attached a empty vhd to the VM, /dev/sdd (I didn’t partition this disk using fdisk) lsblk command lists the attached disk but no mount point. used, mdadm –create /dev/md0 –level 0 –raid-devices=2 –name=/data-disk /dev/sdc /dev/sdd Output: mdadm:…