Asterisk working systemd service

1. We will start asterisk after mariadb (for connecting res_odbc);
2. We run asterisk from user “asterisk”.

[Unit]
Description=Asterisk PBX and telephony daemon.
Wants=network.target
After=mariadb.service

[Service]
Type=simple
User=asterisk
Group=asterisk
RuntimeDirectory=asterisk
Environment=HOME=/var/lib/asterisk
WorkingDirectory=/var/lib/asterisk

ExecStart=/usr/sbin/asterisk -f -C /etc/asterisk/asterisk.conf
ExecStop=/usr/sbin/asterisk -rx 'core stop now'
ExecReload=/usr/sbin/asterisk -rx 'core reload'

# safe_asterisk emulation
Restart=always
RestartSec=10

#Nice=0
#UMask=0002
LimitCORE=infinity
#LimitNOFILE=

# Prevent duplication of logs with color codes to /var/log/messages
#StandardOutput=null

PrivateTmp=true

[Install]
WantedBy=multi-user.target