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installation and startup of Redis

Installation of Redis

Step 1: Download Redis Installation Package

Use wget to download the latest Redis installation package:

wget http://download.redis.io/releases/redis-4.0.6.tar.gz

Step 2: Unzip the Compressed Package

Unzip the downloaded file using tar:

tar -zxvf redis-4.0.6.tar.gz

Step 3: Install GCC Dependencies

Install GCC using yum:

yum install gcc

Step 4: Enter the Redis Installation Directory

Move to the directory where Redis was unzipped:

cd redis-4.0.6

Step 5: Compile and Install Redis

Compile Redis with specific MALLOC library support and install:

make MALLOC=libccd src && make install

Redis Startup Methods

Method 1: Direct Startup

Run Redis in interactive mode:

./redis-server

This method requires constant screen attention.

Method 2: Running as a Daemon

Modify the Redis configuration (redis.conf) to enable daemon mode:

echo 'daemonize yes' >> redis.conf

Start Redis in daemon mode:

./redis-server /etc/redis/redis.conf

Method 3: Setting Redis to Start Automatically

mkdir /etc/redis

2. Create a configuration file in /etc/redis/6379.conf:

cp /usr/local/redis-4.0.6/redis.conf /etc/redis/6379.conf

3. Create a startup script in /etc/init.d/redisd:

cp /usr/local/redis-4.0.6/utils/redisd /etc/init.d/redisd

4. Enable Redis to start automatically:

# Modify the first line of /etc/init.d/redisdecho '# chkconfig:2345 90 10' > /etc/init.d/redisdecho '# description: Redis is a persistent key-value database' >> /etc/init.d/redisd# Enable servicechkconfig redisd on

Now Redis can be started and stopped using:

service redisd start651service redisd stop

Common Issues

###Port Access Issues

5. Modify the Redis configuration to remove binding restrictions:

# Remove or comment out bind 127.0.0.1# in /usr/local/redis-4.0.6/redis.conf

2. Start Redis and ensure the port is accessible. If needed, adjust firewall rules:

systemctl stop firewalld.servicesystemctl disable firewalld.service

Service Management

If the service fails to start due to PID file issues:

rm /var/run/redis_6379.pid

Note

Refer to official Redis documentation for more details: Redis Documentation