===== Synology ======
==== security ====
  * network --> connectivity --> disable server headers
  * error page --> /usr/syno/share/nginx/error.html

==== ssh key file ====
source : https://blog.aaronlenoir.com/2018/05/06/ssh-into-synology-nas-with-ssh-key/

<sxh bash>
ssh-keygen -t rsa -b 4096 -C "user@machine"
</sxh>

in /etc/ssh/sshd_conf
<sxh bash>
PubkeyAuthentication yes
</sxh>
<sxh bash>
sudo -i
chmod 755 /myvolume1/homes/myuser
synosystemctl restart sshd.service
</sxh>
to debug :
<sxh bash>
/bin/sshd -d -p 1234
</sxh>

==== git server ====
  * install git server package
  * using the menu, open the git server app and give access to the user
  * connect with ssh to the nas and create a git repo (git init --bare)
  * go inside the git repo and run : git update-server-info