fix links

data/gpg/basics.md

@@ -129,7 +129,7 @@ Refreshing keys will tell you if some key you have contains a signature from som
 gpg --refresh-keys
 ```
 
-You can use the [crontab](../../basics/cron.md) to refresh keys, but this will mostly fail, since keyservers often don't hold the right data.
+You can use the [crontab](../../system/cron.md) to refresh keys, but this will mostly fail, since keyservers often don't hold the right data.
 
 # Export
 

data/recfiles.md

@@ -43,8 +43,8 @@ recset -f "$new_field" --delete $database
 ```
 
 - [Extended example](recfiles/extended.md)
-- [Playing with board games data](recfiles/Board_Games.md)
-- [Playing with IP addresses](recfiles/IP_ASN.md)
+- [Playing with board games data](recfiles/board_games.md)
+- [Playing with IP addresses](recfiles/ip_asn.md)
 - [Manage LaTeX Bibliographies](recfiles/bibliography.md)
 - [Fixes](recfiles/recfixes.md)
 

data/soft-serve/soft_https.md

@@ -36,7 +36,7 @@ git clone http://localhost:23232/${some_repo}.git
 
 ### `https` Setup
 
-Put this file at `/etc/nginx/sites-enabled/$DOMAIN.tld`, then set up standard certificates with [nginx](../networking/website/nginx.md).
+Put this file at `/etc/nginx/sites-enabled/$DOMAIN.tld`, then set up standard certificates with [nginx](../../networking/website/nginx.md).
 
 (replace `${DOMAIN_NAME}` with your domain's name).