OpenSIPS_Lab1:~# adduser --quiet --system --group --disabled-password  --shell /bin/false --gecos "OpenSIPS" --home /var/run/opensips opensips
OpenSIPS_Lab1:~# mkdir -p /var/run/opensips
OpenSIPS_Lab1:~# chown opensips:opensips /var/run/opensips
OpenSIPS_Lab1:~# /etc/init.d/opensips start