yes a have know i have instaled from 3rd party ( more fast deploy )
the "path" is ok , no problems finding

10q for the support

https://xen-orchestra.com/docs/from_the_sources.html

install success !

the 3rd party install script have some issues

is ok from official install , onlu my free trial is expired

teste 3 ubuntu vm's , pages not working :

1. Settings all submenus same error page not found
2. Jobs all submenus same error page not found
3. Backups all submenus same error page not found
4. Backups NG all submenus same error page not found

iseeu@xoa:~$ systemctl status xo-server.service
● xo-server.service - XO Server
   Loaded: loaded (/etc/systemd/system/xo-server.service; enabled; vendor preset
   Active: active (running) since Tue 2019-05-21 16:02:41 UTC; 3min 44s ago
 Main PID: 854 (node)
    Tasks: 52 (limit: 4623)
   CGroup: /system.slice/xo-server.service
           ├─ 854 node /etc/xo/xo-server/bin/xo-server
           ├─1370 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod
           ├─1375 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod
           ├─1381 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod
           ├─1387 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod
           ├─1393 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod
           ├─1399 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod
           └─1405 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/nod

May 21 16:02:41 xoa systemd[1]: Started XO Server.
May 21 16:02:53 xoa xo-server[854]: 2019-05-21T16:02:53.506Z - xo:main - [INFO]
May 21 16:02:53 xoa xo-server[854]: 2019-05-21T16:02:53.518Z - xo:main - [INFO]
May 21 16:02:54 xoa xo-server[854]: Warning: connect.session() MemoryStore is no
May 21 16:02:54 xoa xo-server[854]: designed for a production environment, as it
May 21 16:02:54 xoa xo-server[854]: memory, and will not scale past a single pro
May 21 16:02:54 xoa xo-server[854]: 2019-05-21T16:02:54.165Z - xo:main - [INFO]
May 21 16:02:55 xoa xo-server[854]: 2019-05-21T16:02:55.600Z - xo:main - [INFO]
lines 1-23...skipping...
● xo-server.service - XO Server
   Loaded: loaded (/etc/systemd/system/xo-server.service; enabled; vendor preset: enabled)
   Active: active (running) since Tue 2019-05-21 16:02:41 UTC; 3min 44s ago
 Main PID: 854 (node)
    Tasks: 52 (limit: 4623)
   CGroup: /system.slice/xo-server.service
           ├─ 854 node /etc/xo/xo-server/bin/xo-server
           ├─1370 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js
           ├─1375 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js
           ├─1381 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js
           ├─1387 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js
           ├─1393 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js
           ├─1399 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js
           └─1405 /usr/bin/node /etc/xo/xo-builds/xen-orchestra-201921051346/node_modules/jest-worker/build/workers/processChild.js

May 21 16:02:41 xoa systemd[1]: Started XO Server.
May 21 16:02:53 xoa xo-server[854]: 2019-05-21T16:02:53.506Z - xo:main - [INFO] Configuration loaded.
May 21 16:02:53 xoa xo-server[854]: 2019-05-21T16:02:53.518Z - xo:main - [INFO] Web server listening on http://[::]:80
May 21 16:02:54 xoa xo-server[854]: Warning: connect.session() MemoryStore is not
May 21 16:02:54 xoa xo-server[854]: designed for a production environment, as it will leak
May 21 16:02:54 xoa xo-server[854]: memory, and will not scale past a single process.
May 21 16:02:54 xoa xo-server[854]: 2019-05-21T16:02:54.165Z - xo:main - [INFO] Setting up / → /etc/xo/xo-builds/xen-orchestra-201921051346/packages/xo-web/dist
May 21 16:02:55 xoa xo-server[854]: 2019-05-21T16:02:55.600Z - xo:main - [INFO] + WebSocket connection (::ffff:10.0.0.200)
May 21 16:05:46 xoa xo-server[854]: 2019-05-21T16:05:46.869Z - xo:main - [INFO] - WebSocket connection (::ffff:10.0.0.200)
May 21 16:05:48 xoa xo-server[854]: 2019-05-21T16:05:48.142Z - xo:main - [INFO] + WebSocket connection (::ffff:10.0.0.200)

May 21 16:02:41 xoa systemd[1]: Started XO Server.
May 21 16:02:53 xoa xo-server[854]: 2019-05-21T16:02:53.506Z - xo:main - [INFO] Configuration loaded.
May 21 16:02:53 xoa xo-server[854]: 2019-05-21T16:02:53.518Z - xo:main - [INFO] Web server listening on http://[::]:80
May 21 16:02:54 xoa xo-server[854]: Warning: connect.session() MemoryStore is not
May 21 16:02:54 xoa xo-server[854]: designed for a production environment, as it will leak
May 21 16:02:54 xoa xo-server[854]: memory, and will not scale past a single process.
May 21 16:02:54 xoa xo-server[854]: 2019-05-21T16:02:54.165Z - xo:main - [INFO] Setting up / → /etc/xo/xo-builds/xen-orchestra-201921051346/packages/xo-web/dist
May 21 16:02:55 xoa xo-server[854]: 2019-05-21T16:02:55.600Z - xo:main - [INFO] + WebSocket connection (::ffff:10.0.0.200)
May 21 16:05:46 xoa xo-server[854]: 2019-05-21T16:05:46.869Z - xo:main - [INFO] - WebSocket connection (::ffff:10.0.0.200)
May 21 16:05:48 xoa xo-server[854]: 2019-05-21T16:05:48.142Z - xo:main - [INFO] + WebSocket connection (::ffff:10.0.0.200)

Now i will deploy ( bash -c "$(curl -s http://xoa.io/deploy) )

1. https://github.com/Jarli01/xenorchestra_installer - same issues
2. https://github.com/ronivay/XenOrchestraInstallerUpdater - same issues