Differences

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--- linux_wiki:network_services_overview_database_services [2016/10/01 15:42]
billdozor [Configure the service to start when the system is booted]
+++ linux_wiki:network_services_overview_database_services [2018/05/12 16:34]
billdozor [Use SELinux port labeling to allow services to use non-standard ports]
@@ Line 1: / Line 1: @@
-====== Network Services Overview Database Services ======
+====== Network Services Overview: Database Services ======
 **General Information**
-This page covers the Network Services objectives, specifically for <service-name>.
+This page covers the Network Services objectives, specifically for MariaDB.
 **Network Services Objectives**
@@ Line 12: / Line 12: @@
   * Configure the service for basic operation
   * Configure host-based and user-based security for the service
+----
+====== Lab Setup ======
+The following virtual machines will be used:
+  * server1.example.com (192.168.1.150) -> Perform any client testing here
+  * server2.example.com (192.168.1.151) -> Install the database here
 ----
@@ Line 23: / Line 31: @@
   * mariadb -> the client
   * mariadb-server -> the server
+\\
+Documentation (what can go in the /etc/my.cnf config)
+<code bash>
+/usr/libexec/mysqld --verbose --help | less
+# then search for 'Variables'
+/Variables    <enter>
+</code>
 ----
@@ Line 37: / Line 54: @@
   * Examples: "man semanage-port" has examples for allowing non-standard ports
-  * Tip: To see current port labels<code bash>semanage port -l | grep mariadb</code>
+  * Tip: To see current port labels<code bash>semanage port -l | grep mysql</code>
 \\
@@ Line 58: / Line 75: @@
 SELinux: Allow mariadb to use the new port
 <code bash>
-semanage port -a -t mysqld_port_t 5502 -p tcp
+semanage port -a -t mysqld_port_t -p tcp 5502
 </code>
@@ Line 66: / Line 83: @@
 systemctl restart mariadb
 </code>
+\\
+Remote clients would need to connect like this example (specifying a port)<code bash>mysql -h 192.168.1.151 --port=5502 -u root -p</code>
+  * -h 192.168.1.151  -> remote hostname to connect to (can be an IP)
+  * --port=5502  -> Use this remote port
+  * -u root  -> Database username
+  * -p  -> Prompt for password
 ----
@@ Line 89: / Line 113: @@
 Enable and Start the service
 <code bash>
-systemctl enable <service-name>
+systemctl enable mariadb
-systemctl start <service-name>
+systemctl start mariadb
 </code>
@@ Line 101: / Line 125: @@
 Allow access through the firewall
 <code bash>
-firewall-cmd --permanent --add-service=<service-name>
+firewall-cmd --permanent --add-service=mysql
 firewall-cmd --reload
 </code>