{"id":718,"date":"2021-08-08T22:43:59","date_gmt":"2021-08-08T14:43:59","guid":{"rendered":"https:\/\/tech.fredpan.cn\/install-and-setup-redis-for-wordpress-on-ubuntu-20-04-with-php-7-4\/"},"modified":"2021-08-08T22:47:17","modified_gmt":"2021-08-08T14:47:17","slug":"install-and-setup-redis-for-wordpress-on-ubuntu-20-04-with-php-7-4","status":"publish","type":"post","link":"https:\/\/tech.fredpan.cn\/en\/install-and-setup-redis-for-wordpress-on-ubuntu-20-04-with-php-7-4\/","title":{"rendered":"Install and setup Redis for WordPress on ubuntu 20.04 with php 7.4"},"content":{"rendered":"[vc_row type=”in_container” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” scene_position=”center” text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” column_element_spacing=”default” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/1″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” bg_image_animation=”none” border_type=”simple” column_border_width=”none” column_border_style=”solid”][vc_column_text]\n

Installing Redis on Ubuntu<\/h2>\n

Installing Redis<\/p>\n

sudo apt update<\/pre>\n
sudo apt install redis-server<\/pre>\n
Use following command open configuration file:<\/p>\n
sudo vim \/etc\/redis\/redis.conf<\/pre>\n
Change\/add the following:<\/p>\n
maxmemory 256mb\nmaxmemory-policy allkeys-lru<\/pre>\n
Use this command to declare an init system to manage Redis as a service, providing you with more control over its operation.<\/p>\n
supervised systemd<\/pre>\n
Restart the server to apply change:<\/p>\n
sudo systemctl restart redis.service<\/pre>\n
Test your redis:<\/p>\n
sudo systemctl status redis<\/pre>\n
you will get output similar to below:<\/p>\n
\u25cf redis-server.service - Advanced key-value store\n     Loaded: loaded (\/lib\/systemd\/system\/redis-server.service; enabled; vendor preset: enabled)\n     Active: active (running) since Wed 2021-06-16 00:01:41 CST; 20s ago\n       Docs: http:\/\/redis.io\/documentation,\n             man:redis-server(1)\n    Process: 7321 ExecStart=\/usr\/bin\/redis-server \/etc\/redis\/redis.conf (code=exited, status=0\/SUCCESS)\n   Main PID: 7332 (redis-server)\n      Tasks: 4 (limit: 1126)\n     Memory: 2.1M\n     CGroup: \/system.slice\/redis-server.service\n             \u2514\u25007332 \/usr\/bin\/redis-server 127.0.0.1:6379<\/pre>\n
Test that Redis is functioning correctly:<\/p>\n
redis-cli<\/pre>\n
If everything works fine, You will get a pong<\/code> response once you type a ping<\/code>.<\/p>\n
Let redis start on boot:<\/p>\n
sudo systemctl enable redis-server<\/pre>\n
Up until now, Redis has been fully installed and should be functioning properly.<\/p>\n
Use Redis on WordPress (Extra Step)<\/h2>\n
To make Redis can be used by WordPress, we need to install PHPRedis.<\/p>\n
Type the following commands one by one:<\/p>\n
sudo apt-get install php-igbinary<\/pre>\n
sudo apt-get install php-redis<\/pre>\n
Use following command to open and edit php.ini file:<\/p>\n
sudo vim \/etc\/php\/7.4\/apache2\/php.ini<\/pre>\n
and add the following somewhere in the file:extension=redis.so<\/code><\/p>\n
Restart server to apply changes:<\/p>\n
sudo systemctl restart apache2<\/pre>\n
 <\/p>\n
Reference\uff1a<\/h3>\n
https:\/\/stackoverflow.com\/questions\/46955555\/how-to-install-redis-extension-for-php-7[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"
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