CentOS 7 uses DNF to install memcached and start, stop, boot, etc. settings

1. Installing memcached

dnf install memcached

Follow the prompts to complete the installation

2. Start memcached

Enter the following command:

service memcached start

Output the following:

Redirecting to /bin/systemctl start memcached.service

Verify that memcached started successfully and enter the following parameters:

ps -aux | grep memcached

If the output:

memcach+ 17974  0.0  0.0 325564  1180 ?        Ssl  13:10   0:00 /usr/bin/memcached -u memcached -p 11211 -m 64 -c 1024

The following content is started successfully.

3. Stop memcamched

Enter the following command:

service memcached stop

See Output as:

Redirecting to /bin/systemctl stop memcached.service

Enter the following command:

ps -aux|grep memcached

To see if the success has stopped

4. Start the memcached Setup boot

Enter the following command:

systemctl enable memcached.service

5. Verify that the boot boot is set successfully

Restart the system, and then enter the following command:

 ps -aux | grep memcached

The output is as follows:

memcach+   855  0.0  0.0 325564  1172 ?        Ssl  13:42   0:00 /usr/bin/memcached -u memcached -p 11211 -m 64 -c 1024

The boot setting is successful.

6. Cancel Boot Boot

Enter the following command to cancel the boot boot:

systemctl disable mysqld.service

7. Start the memcached service with the start parameter

The startup parameters of the memcached are as follows:

-d是启动一个守护进程；-m是分配给Memcache使用的内存数量，单位是MB；-u是运行Memcache的用户；-l是监听的服务器IP地址，可以有多个地址；-p是设置Memcache监听的端口，，最好是1024以上的端口；-c是最大运行的并发连接数，默认是1024；-P是设置保存Memcache的pid文件。

First switch to the directory where memcached executes the files, and the directories installed with DNF are:
/bin, enter the following command to start memcached:

memcached -l xxx.xxx.xxx.x -p 11231 -u root -m 64 -d

The above command means: Use the root user to start memcached, the listening port is 11231, you can set the public IP address.

CentOS 7 uses DNF to install memcached and start, stop, boot, etc. settings