How to configure Zookeeper permissions on Debian

This article guides you how to configure ZooKeeper permissions on Debian systems. The following steps will guide you through the entire process step by step:

Step 1: Install ZooKeeper

If you have not installed ZooKeeper yet, please install it using the following command:

 sudo apt-get update
sudo apt-get install zookeeper

Step 2: Create and configure ZooKeeper configuration file (zoo.cfg)

Copy the sample configuration file and make the necessary modifications (skip this step if the file already exists):

 sudo cp /usr/share/doc/zookeeper/examples/conf/zoo.cfg.sample /etc/zookeeper/conf/zoo.cfg

Step 3: Create a ZooKeeper data directory

Create and set permissions to the ZooKeeper datastore directory:

 sudo mkdir /var/lib/zookeeper
sudo chown -R $USER /var/lib/zookeeper

Step 4: Configure the ZooKeeper log directory

Create and set permissions to the ZooKeeper log directory:

 sudo mkdir /var/log/zookeeper
sudo chown -R $USER /var/log/zookeeper

Step 5: Configure ZooKeeper environment variables (zoo.env)

Copy the sample environment variable file and modify the DataLogDir path (skip this step if the file already exists):

 sudo cp /usr/share/doc/zookeeper/examples/conf/zoo.env.sample /etc/zookeeper/conf/zoo.env

Open the zoo.env file and modify DataLogDir line, pointing it to the data directory you created in step 3:

 <code>DataLogDir=/var/lib/zookeeper</code>

Step 6: Configure ZooKeeper security settings (java.env)

Copy the sample Java environment variable file (skip this step if the file already exists):

 sudo cp /usr/share/doc/zookeeper/examples/conf/java.env.sample /etc/zookeeper/conf/java.env

Open the java.env file and uncomment and modify JVMFLAGS line, pointing to your java.env file path:

 export JVMFLAGS="-Djava.security.auth.login.config=/etc/zookeeper/conf/java.env"

Step 7: Create ZooKeeper security profile (zookeeper.security.auth.properties)

Create a file named zookeeper.security.auth.properties and add the following:

 authProvider.1=org.apache.zookeeper.server.auth.SASLAuthenticationProvider
requireClientAuthScheme=sasl

Step 8: Restart the ZooKeeper service

After completing the above steps, restart the ZooKeeper service to make the configuration take effect:

 sudo systemctl restart zookeeper

Please adjust the path according to your actual situation. The above steps ensure that ZooKeeper's data and log directories have the correct permissions and are configured with basic SASL authentication. More advanced permission controls may require further configuration.

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