Also i tried to start teamviewer service via the regular account, but still, when i connect to the active root session it stops working after 10 seconds.
su - test
teamviewer daemon start
teamviewer daemon status
systemctl status teamviewerd.service
systemctl status teamviewerd.service
● teamviewerd.service - TeamViewer remote control daemon
Loaded: loaded (/etc/systemd/system/teamviewerd.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2021-09-01 01:36:50; 2s ago
Process: 6957 ExecStart=/opt/teamviewer/tv_bin/teamviewerd -d (code=exited, status=0/SUCCESS)
Main PID: 6959 (teamviewerd)
Tasks: 30 (limit: 17558)
Memory: 7.4M
CGroup: /system.slice/teamviewerd.service
└─6959 /opt/teamviewer/tv_bin/teamviewerd -d
Sep 01 01:36:50 testsystem systemd[1]: Starting TeamViewer remote control daemon...
Sep 01 01:36:50 testsystem systemd[1]: teamviewerd.service: Can't open PID file /run/teamviewerd.pid (yet?) after start: Operation not permitted
Sep 01 01:36:50 testsystem systemd[1]: Started TeamViewer remote control daemon.
root@testsystem:~/Desktop# cat /proc/version
Linux version 5.4.0-81-generic (buildd@lgw01-amd64-052) (gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)) #91-Ubuntu SMP Thu Jul 15 19:09:17 UTC 2021
root@testsystem:~/Desktop# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.3 LTS
Release: 20.04
Codename: focal
root@testsystem:~/Desktop# cat /etc/*release*
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS"
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
root@testsystem:~/Desktop# wmctrl -m
Name: Xfwm4
Class: xfwm4
PID: 4251
Window manager's "showing the desktop" mode: N/A
root@testsystem:~/Desktop#
root@testsystem:~/Desktop# teamviewer --version
TeamViewer 15.21.4 (DEB)
root@testsystem:~/Desktop# teamviewer info
TeamViewer 15.21.4 (DEB)
TeamViewer ID: 330*****
teamviewerd status ● teamviewerd.service - TeamViewer remote control daemon
Loaded: loaded (/etc/systemd/system/teamviewerd.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2021-09-01 01:36:50; 15min ago
Process: 6957 ExecStart=/opt/teamviewer/tv_bin/teamviewerd -d (code=exited, status=0/SUCCESS)
Main PID: 6959 (teamviewerd)
Tasks: 31 (limit: 17558)
Memory: 12.4M
CGroup: /system.slice/teamviewerd.service
└─6959 /opt/teamviewer/tv_bin/teamviewerd -d
Sep 01 01:36:50 testsystem systemd[1]: Starting TeamViewer remote control daemon...
Sep 01 01:36:50 testsystem systemd[1]: teamviewerd.service: Can't open PID file /run/teamviewerd.pid (yet?) after start: Operation not permitted
Sep 01 01:36:50 testsystem systemd[1]: Started TeamViewer remote control daemon.