zoneminder/distros/redhat/readme/README.nginx

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Nginx Configuration File

New installs
============
1. Unless you are already using MariaDB server, you need to ensure that the
server is configured to start during boot and properly secured by running:
sudo dnf install mariadb-server
sudo systemctl enable mariadb
sudo systemctl start mariadb.service
mysql_secure_installation
2. Assuming the database is local and using the password for the root account
set during the previous step, you will need to create the ZoneMinder
database and configure a database account for ZoneMinder to use:
mysql -uroot -p < /usr/share/zoneminder/db/zm_create.sql
mysql -uroot -p -e "grant all on zm.* to \
'zmuser'@localhost identified by 'zmpass';"
mysqladmin -uroot -p reload
The database account credentials, zmuser/zmpass, are arbitrary. Set them to
anything that suits your environment.
3. If you have chosen to change the zoneminder database account credentials to
something other than zmuser/zmpass, you must now create a config file under
/etc/zm/conf.d and set your credentials there. For example, create the file
/etc/zm/conf.d/zm-db-user.conf and add the following content to it:
ZM_DB_USER = {username of the sql account you want to use}
ZM_DB_PASS = {password of the sql account you want to use}
Once the file has been saved, set proper file & ownership permissions on it:
sudo chown root:nginx *.conf
sudo chmod 640 *.conf
4. Manually setting the timezone in /etc/php.ini is deprecated.
Instead, navigate to Options -> System from the ZoneMinder web console.
Do this after completing step 10, below.
Note that timezone errors will appear in the ZoneMinder log until this
has been completed.
5. Disable SELinux
SELinux must be disabled or put into permissive mode. This is not optional!
To immediately disbale SELinux for the current seesion, issue the following
from the command line:
sudo setenforce 0
To permanently disable SELinux, edit /etc/selinux/config and change the
SELINUX line from "enforcing" to "disabled". This change will take
effect after a reboot.
6. Configure the web server
This package uses the HTTPS protocol by default to access the web portal,
using the default self signed certificate on your system.
Inspect the web server configuration file and verify it meets your needs:
/etc/zm/www/zoneminder.conf
If you are running other web enabled services then you may need to edit
this file to suite. See README.https to learn about other alternatives.
If you wish http requests to auto-redirect to https requests, then link or
copy /etc/zm/www/redirect.nginx.conf into /etc/nginx/default.d folder.
When in doubt, proceed with the default:
sudo ln -sf /etc/zm/www/zoneminder.nginx.conf /etc/nginx/conf.d/
sudo ln -sf /etc/zm/www/redirect.nginx.conf /etc/nginx/default.d/
7. Configure and start fcgiwrap
Edit /etc/sysconfig/fcgiwrap and set DAEMON_PROCS to the maximum number of
simulatneous streams the server should support. Generally, a good minimum
value for this equals the total number of cameras you expect to view at the
same time.
Enable the fcgiwrap *socket* in the following manner:
sudo systemctl enable --now fcgiwrap@nginx.socket
Do NOT try to start the fcgiwrap service! It must be triggered by the
socket to work properly.
8. Now start the web server:
sudo systemctl enable nginx
sudo systemctl start nginx
9. Now start zoneminder:
sudo systemctl enable zoneminder
sudo systemctl start zoneminder
10. Optionally configure the firewall
All Redhat distros ship with the firewall enabled. That means you will not
be able to access the ZoneMinder web console from a remote machine until
changes are made to the firewall.
What follows are a set of minimal commands to allow remote access to the
ZoneMinder web console and also allow ZoneMinder's ONVIF discovery to
work. The following commands do not put any restrictions on which remote
machine(s) have access to the listed ports or services.
sudo firewall-cmd --permanent --zone=public --add-service=http
sudo firewall-cmd --permanent --zone=public --add-service=https
sudo firewall-cmd --permanent --zone=public --add-port=3702/udp
sudo firewall-cmd --reload
Additional changes to the firewall may be required, depending on your
security requirements and how you use the system. It is up to you to verify
these commands are sufficient.
11. Access the ZoneMinder web console
You may now access the ZoneMinder web console from your web browser using
an appropriate url. Here are some examples:
http://localhost/zm (works from the local machine only)
http://{machine name}/zm (works only if dns is configured for your network)
http://{ip address}/zm
Upgrades
========
1. Conf.d folder support has been added to ZoneMinder. Any custom
changes previously made to zm.conf must now be made in one or more custom
config files, created under the conf.d folder. Do this now. See
/etc/zm/conf.d/README for details. Once you recreate any custom config changes
under the conf.d folder, they will remain in place indefinitely.
2. Verify permissions of the zmuser account.
Over time, the database account permissions required for normal operation
have increased. Verify the zmuser database account has been granted all
permission to the ZoneMinder database:
mysql -uroot -p -e "show grants for zmuser@localhost;"
See step 2 of the Installation section to add missing permissions.
3. Verify the ZoneMinder Nginx configuration file in the folder
/etc/zm/www. You will have a file called "zoneminder.conf" and there
may also be a file called "zoneminder.conf.rpmnew". If the rpmnew file
exists, inspect it and merge anything new in that file with zoneminder.conf.
Verify the SSL REquirements meet your needs. Read README.https if necessary.
The contents of this file must be merged into your Nginx configuration.
See step 6 of the installation section if you have not already done this
during a previous upgrade.
4. Upgrade the database before starting ZoneMinder.
Most upgrades can be performed by executing the following command:
sudo zmupdate.pl
Recent versions of ZoneMinder don't require any parameters added to the
zmupdate command. However, if ZoneMinder complains, you may need to call
zmupdate in the following manner:
sudo zmupdate.pl --user=root --pass=<mysql_root_pwd> --version=<from version>
5. Now restart nginx and php-fpm then start zoneminder:
sudo systemctl restart nginx
sudo systemctl restart php-fpm
sudo systemctl start zoneminder
6. Manually setting the timezone in /etc/php.ini is deprecated.
Instead, navigate to Options -> System from the ZoneMinder web console.
Do this now.
Note that timezone errors will appear in the ZoneMinder log until this
has been completed.