'docs/rffmpeg/Master-Install.md' toevoegen

docs/rffmpeg/Master-Install.md

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+## Prerequisites:
+* A running jellyfin server on the master
+
+## Step 1: Configuring Jellyfin and preparing the server
+
+### Transcode temp folder
+#### Sharing the the local trancode folder
+Make the new trancode folder
+```
+mkdir /var/lib/jellyfin/transcoding-temp
+```
+NFS is the recomend way of sharing this folder, but SMB/CIFS shoud also work
+```
+apt -y install nfs-kernel-server
+echo '/var/lib/jellyfin/transcoding-temp <Network IP>/24(rw,sync,no_subtree_check)' >> /etc/exports 
+systemctl restart nfs-kernel-server
+```
+Set the following setting in jellyfin "Transcode path" in the Playback settings to "/var/lib/jellyfin/transcoding-temp"
+
+#### Useing a existing remote share trancode folder
+Make sure the folder is mounted at"/var/lib/jellyfin/transcoding-temp"  
+Set the following setting in jellyfin "Transcode path" in the Playback settings to "/var/lib/jellyfin/transcoding-temp"
+
+### SSH keypair
+Generating sshkey pair without password
+```
+sudo -u jellyfin mkdir -p /var/lib/jellyfin/.ssh
+sudo -u jellyfin ssh-keygen -t rsa -f /var/lib/jellyfin/.ssh/id_rsa
+```
+
+## Step 2: Install slave/render servers
+
+### Getting  info
+Run `cat /etc/group | grep jellyfin:`, to get group info, i will refer to it as `<JelGroup>`  
+Run `cat /etc/passwd | grep jellyfin:` to get user info, i will refer to it as `<JelUser>`
+Run `cat /var/lib/jellyfin/.ssh/id_rsa.pub` To get ssh-key for sending commands , i will refer to it as `<MasterPubKey>`
+Get the ip of the master, i will refer to it as `<MasterIP>`
+
+### Installing on the remote slave
+use the info you collected en follow "Slave-install.md"
+
+### Adding local system as slave
+```
+echo 'ssh-rsa <MasterPubKey>' | sudo -u jellyfin tee /var/lib/jellyfin/.ssh/authorized_keys
+sudo -u jellyfin ssh -i /var/lib/jellyfin/.ssh/id_rsa jellyfin@localhost
+```
+
+Set the jellyfin user to login as bash in /etc/passwd
+
+## Step 3: Installing rffmpeg
+```
+mkdir /etc/rffmpeg /opt/rffmpeg
+wget https://raw.githubusercontent.com/joshuaboniface/rffmpeg/master/rffmpeg.yml.sample -O /etc/rffmpeg/rffmpeg.yml
+wget https://raw.githubusercontent.com/joshuaboniface/rffmpeg/master/rffmpeg.py -O /opt/rffmpeg/rffmpeg.py
+ln -s /usr/local/bin/rffmpeg.py /opt/rffmpeg/ffmpeg
+ln -s /usr/local/bin/rffmpeg.py /opt/rffmpeg/ffprobe
+```
+## Step 3: Configuring rffmpeg
+Add to the host section of /etc/rffmpeg/rffmpeg.yml
+Example of the section in the config file
+```
+remote:
+    # A YAML list of remote hosts to connect to
+    hosts:
+        - 192.168.1.2
+        - 192.168.1.3
+```
+if you also want the local system to render add localhost or 127.0.0.1
+
+
+## Step 4: Set jellyfin to use rffmpeg
+Set the following setting in jellyfin "FFmpeg path" in the Playback settings to "/opt/rffmpeg/ffmpeg"
+
+## Done