Igor Pashev

Use explicit database names like `pgbackup` does. Otherwise backup can _silently_ fail if the server is not available, access denied, etc.

`mysqlbackup` was the first backup application. Is supports GPG encryption, uploading to S3, rotating local files based on count and free storage. This should be reused in other backup applications...

Support `pg_basebackup` in addition to `pg_dump`. https://www.postgresql.org/docs/9.5/static/app-pgbasebackup.html

[ProxySQL](http://www.proxysql.com/) is a high-performance MySQL proxy with a GPL license. https://github.com/sysown/proxysql

Add ssh-agent app (multiple instances). This app should support options for UNIX socket, user to run as (the socket owner), and list of private SSH keys (and pass-phrases?). When deployed,...

It should be possible to catch conflicting ports, home directories etc. for multi-instance applications like PostgreSQL or Jenkins. Show which instances conflict.

`system.firewall.whitelist` can produce duplicate lines in `networking.firewall.extraCommands`. This should be avoided.

Extract keys from nginx config at build time. Ideally, the config should be properly parsed.

Guys, could you please find a way to set SOCK_STREAM to proper system defined value. I'm not a Mono/C# hacker or even user, so all I could is to hardcode...

https://github.com/NixOS/nixops/blob/master/nix/virtualbox-image-nixops.nix puts root SSH key into `/root/.vbox-nixops-client-key`. Are there any reasons not to put it into `/root/.ssh/authorized_keys` ? This is related to https://github.com/NixOS/nixpkgs/issues/15841: I made ``` nix { # ......