Nginx hitting worker_connection limit

I’m managing an Nginx server that keeps occasionally dropping a bunch of connections, after inspecting the logs I can see that the worker_connections limit is being hit e.g. 2019/12/06 08:37:09 [alert] 14517#14517: 25000 worker_connections are not enough I can see from my metrics that Nginx starts dropping connections after hitting 20k active connections despite there…

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Windows server 2008 DNS Server

Our security team reported that our DNS server holding our domain, is sometime querying the hostnames from public resolvers while not omitting its own domain name from the query. Like this: _ldap._tcp.Defauldt-First-Site-Name._sites.DC-Exchange.MY-DOMAIN.COM Thus, it has been raised a security issue for us, as our domain name is being revealed in public queries. The DNS Server…

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cp recursively into a directory that symlinks to dirs of same name as in source

cp -r src/* dest/ If src/ & dest/ both contain a directory foo, the contents of src/foo/ are copied into dest/foo/, which is desired. If dest/ instead contains a symlink foo -> /sym/foo to a directory elsewhere, the command errors: cp: cannot overwrite non-directory ‘dest/foo’ with directory ‘src/foo’ Is it possible to copy following the…

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