so, if u haven’t done this manually, run then script, then restart your mac

do

sudo nano /Users/$USER/Library/LaunchAgents/pm2.$USER.plist

right at the top there is a string ‘UserName’ shown below
the space after the < is because this forum sees the < as a special formatting tag…

      < key>UserName< /key>
      < string>?????< /string>

anyhow, delete those two lines
save the file (ctrl-o,enter), and exit, (ctrl-x)

then restart (via shell),

sudo shutdown -r now

cd
bash -c  "$(curl -sL  https://www.dropbox.com/s/cy2z7lbkpifcbrk/fixuppm2.sh?dl=0)"

sometimes it doesn’t restart on boot like I think it should (on catalina, worked great on sierra an high sierra). haven’t found the problem yet

if you don’t have it running, then u need to install…

you can copy the config.js to the new system, but you will have to install the modules and make sure to handle the dependencies they require

bash -c "$(curl -sL https://www.dropbox.com/s/rlh710ng0zwv3vp/raspberry.sh?dl=0)"

just a question, I have set up the magicmirror with all my settings etc. can I just execute this without loosing my stuff??

see
https://forum.magicmirror.builders/topic/10171/anyone-want-to-try-updated-installer

sudo env PATH=$PATH:/usr/local/bin pm2 startup systemd -u pi --hp /home/pi

thx with this it works fine

command = sudo env PATH=$PATH:/usr/bin:/bin /usr/lib/node_modules/pm2/bin/pm2 startup sys$

and try this

sudo env PATH=$PATH:/usr/local/bin pm2 startup systemd -u pi --hp /home/pi

then , make sure MagicMirror is not running

cd ~/MagicMirror
pm2 start installers/pm2_MagicMirror.json
pm2 save

then reboot

i have seen a similar problem recently on macOs Catalina…

pm2 logs 

Then i recive

Connecting to 192.168.1.174 port 22, please wait…
login as: 
pi@192.168.1.174’s password: 
Linux raspberrypi 4.19.75-v7+ #1270 SMP Tue Sep 24 18:45:11 BST 2019 armv7l

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sun Nov  3 20:42:57 2019 from 192.168.1.9

pi@raspberrypi:~ $ ~/MagicMirror/installers/pm2_setup.log
-bash: /home/pi/MagicMirror/installers/pm2_setup.log: Keine Berechtigung access denied
pi@raspberrypi:~ $

[Service]
Type=forking
User=pi
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
Environment=PATH=$PATH:/usr/bin:/bin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/b$
Environment=PM2_HOME=/home/pi/.pm2
PIDFile=/home/pi/.pm2/pm2.pid
Restart=on-failure

ExecStart=/usr/lib/node_modules/pm2/bin/pm2 resurrect
ExecReload=/usr/lib/node_modules/pm2/bin/pm2 reload all
ExecStop=/usr/lib/node_modules/pm2/bin/pm2 kill

[Install]
WantedBy=multi-user.target

Target path
/etc/systemd/system/pm2-pi.service
Command list
[ ‘systemctl enable pm2-pi’ ]
[PM2] Writing init configuration in /etc/systemd/system/pm2-pi.service
[PM2] Making script booting at startup…

[PM2] Remove init script via:
$ pm2 unstartup systemd
pm2 startup done
configure the pm2 config file for MagicMirror
start MagicMirror via pm2 now
save MagicMirror pm2 config now
pm2 setup completed - Di Nov 5 15:56:55 CET 2019

~/MagicMirror/installers/pm2_setup.log