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<p><a href="elma365-on-premises.html">BRIX On-Premises</a> > <a href="infrastructure-preparation.html">Prepare infrastructure</a> > Databases > Prepare external databases / Redis</p>
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<div class="topic__title"><h1 class="p_Heading1"><span class="f_Heading1">Redis</span></h1>
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<p class="p_Normal">For the proper functioning of the system, Redis version 5 or 6.2 is required. The article describes the installation of Redis 6.2.12 for Ubuntu Linux 20.04 and 22.04. You can also refer to the guide in the <a href="https://redis.io/docs/getting-started/installation/install-redis-on-linux/" target="_blank" class="weblink">official Redis documentation</a>.</p>
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<p class="p_Normal">Installation consists of three steps:</p>
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<ol style="list-style-type:decimal">
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<li value="1" class="p_Normal"><a href="redis.html#1redis" class="topiclink">Install Redis</a>.</li><li value="2" class="p_Normal"><a href="redis.html#2redis" class="topiclink">Configure Redis</a>.</li><li value="3" class="p_Normal"><a href="redis.html#3redis" class="topiclink">Connect to Redis</a>.</li></ol>
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<h2 class="p_Heading2"><a id="1redis" class="hmanchor"></a><span class="f_Heading2">Step 1: Install Redis</span></h2>
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<ol style="list-style-type:upper-roman">
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<li value="1" class="p_Normal">Install the necessary packages:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo apt install lsb-release curl gpg</span></p>
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<ol style="list-style-type:upper-roman" start="2">
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<li value="2" class="p_Normal">Import the necessary keys and add the Redis repository:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg</span><br />
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<span class="f_CodeExample">echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list</span></p>
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<ol style="list-style-type:upper-roman" start="3">
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<li value="3" class="p_Normal">Update the package cache:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo apt-get update</span></p>
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<ol style="list-style-type:upper-roman" start="4">
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<li value="4" class="p_CodeExample" style="page-break-inside: avoid;">Install Redis:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo apt-get -y install redis=6:6.2.12-1rl1~$(lsb_release -cs)1 redis-server=6:6.2.12-1rl1~$(lsb_release -cs)1 redis-tools=6:6.2.12-1rl1~$(lsb_release -cs)1</span></p>
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<h2 class="p_Heading2"><a id="2redis" class="hmanchor"></a><span class="f_Heading2">Step 2: Configure Redis</span></h2>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">Начало примечание</span></p>
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<p class="p_Normal"><span style="font-weight: bold;">Note</span></p>
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<p class="p_Normal">The password can contain the following characters:</p>
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<ul style="list-style-type:disc">
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<li class="p_Normal">Uppercase Latin letters: A to Z</li><li class="p_Normal">Lowercase Latin letters: a to z</li><li class="p_Normal">Digits: 0 to 9</li><li class="p_Normal">Symbols: -_</li></ul>
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<p class="p_Normal">Reserved (invalid) characters: ! * ' ( ) ; : @ & = + $ , / ? % # [ ]</p>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">Конец примечание</span></p>
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<ol style="list-style-type:upper-roman">
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<li value="1" class="p_Normal">Allow connection to the Redis server. To do this, edit the <code><b>/etc/redis/redis.conf</b></code> configuration file and add the machine's IP address (e.g., 192.168.10.10):</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo nano /etc/redis/redis.conf</span><br />
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<span class="f_CodeExample">bind 192.168.10.10</span></p>
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<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A1')">Configuring TLS/SSL in Redis</a></p>
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<tr>
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<td style="vertical-align:top; padding:0; border:none"><p class="p_Normal">To enable TLS/SSL support in Redis, in the configuration file <code><b>redis.conf</b></code> do the following:</p>
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<ol style="list-style-type:decimal">
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<li value="1" class="p_Normal">Disable unprotected connections by setting <code><b>0</b></code> in the parameter <code><b>port</b></code>. </li><li value="2" class="p_Normal">Set the port for TLS connections. Uncomment the parameter <code><b>tls-port</b></code>.</li><li value="3" class="p_Normal">Specify the path to the server certificate file in the parameter <code><b>tls-cert-file</b></code>.</li><li value="4" class="p_Normal">Specify the path to the private key file in the parameter <code><b>tls-key-file</b></code>.</li><li value="5" class="p_Normal">Specify the path to the root CA file in the parameter <code><b>tls-ca-cert-file</b></code>.</li><li value="6" class="p_Normal">Disable client authentication using the active certificate by setting <code><b>no</b></code> in the parameter <code><b>tls-auth-clients</b></code>.</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">port 0</span><br />
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<span class="f_CodeExample">tls-port 6379</span><br />
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<span class="f_CodeExample">tls-cert-file /path/redis.crt</span><br />
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<span class="f_CodeExample">tls-key-file /path/redis.key</span><br />
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<span class="f_CodeExample">tls-ca-cert-file /path/to/ca.crt</span><br />
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<span class="f_CodeExample">tls-auth-clients no</span></p>
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<p class="p_Normal">For more details on TLS/SSL configuration in Redis, refer to the <a href="https://redis.io/docs/management/security/encryption/" target="_blank" class="weblink">official Redis documentation</a>.</p>
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</td>
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</table>
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<ol style="list-style-type:upper-roman" start="2">
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<li value="2" class="p_Normal">Increase the maximum number of clients by changing the value of the parameter <code><b>maxclients</b></code> to <code><b>20000</b></code>. Uncomment the line by removing the # sign:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">maxclients 20000</span></p>
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<ol style="list-style-type:upper-roman" start="3">
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<li value="3" class="p_Normal">Set the key eviction policy by changing the value of the parameter <code><b>maxmemory-policy</b></code> to <code><b>allkeys-lfu</b></code>. Uncomment the line by removing the # sign:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">maxmemory-policy allkeys-lfu</span></p>
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<ol style="list-style-type:upper-roman" start="4">
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<li value="4" class="p_Normal"> Disable <span style="font-weight: bold;">snapshot</span> creation by changing the value of the parameter <code><b>save</b></code> to <code><b>""</b></code>. Uncomment the line by removing the # sign:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">save ""</span></p>
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<ol style="list-style-type:upper-roman" start="5">
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<li value="5" class="p_Normal">Disable <span style="font-weight: bold;">AOF</span> (saving the Redis database to a file). To do this, change the value of the parameter <code><b>appendonly</b></code> to <code><b>no</b></code>. Uncomment the line, removing the # sign:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">appendonly no</span></p>
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<ol style="list-style-type:upper-roman" start="6">
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<li value="6" class="p_CodeExample" style="page-break-inside: avoid;">Restart Redis:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo systemctl restart redis-server</span></p>
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<h2 class="p_Heading2"><a id="3redis" class="hmanchor"></a><span class="f_Heading2">Step 3: Connect to Redis</span></h2>
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<p class="p_Normal">Connection string to Redis:</p>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">redis://<redis-server-address>:6379/0</span></p>
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<p class="p_Normal">Connection string to Redis with TLS/SSL:</p>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">redis:</span><span class="f_CodeExample">//<redis-server-address>:6379/0</span></p>
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<p class="p_Normal">If you already have a Redis cluster, you can use it as a cache for BRIX. For information on deploying a Redis Cluster, refer to the <a href="https://redis.io/docs/management/scaling/#redis-cluster-101)" target="_blank" class="weblink">official documentation</a>.</p>
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<script src="./TypoReporter.min.js"></script>
|
||
<script src="./google-search.js"></script>
|
||
<script src="./main.js"></script>
|
||
<script type="text/javascript">
|
||
HMInitToggle('TOGGLE0186A1','hm.type','dropdown','hm.state','0');
|
||
</script>
|
||
</body>
|
||
|
||
</html>
|