some fixes

install/yamtrack-install.sh

@@ -53,6 +53,7 @@ msg_info "Configuring Nginx"
 rm -f /etc/nginx/sites-enabled/default /etc/nginx/sites-available/default
 cp /opt/yamtrack/nginx.conf /etc/nginx/nginx.conf
 sed -i 's|user abc;|user www-data;|' /etc/nginx/nginx.conf
+sed -i 's|pid /tmp/nginx.pid;|pid /run/nginx.pid;|' /etc/nginx/nginx.conf
 sed -i 's|/yamtrack/staticfiles/|/opt/yamtrack/src/staticfiles/|' /etc/nginx/nginx.conf
 sed -i 's|error_log /dev/stderr|error_log /var/log/nginx/error.log|' /etc/nginx/nginx.conf
 sed -i 's|access_log /dev/stdout|access_log /var/log/nginx/access.log|' /etc/nginx/nginx.conf