Error Failed to start redis service Unit redis-server service is masked

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I Installed Redis Server on ubuntu 16.04. but when i try to start(sudo systemctl start redis) the redis service I receive message as:

Failed to start redis.service: Unit redis-server.service is masked.

I don't have any idea about this error. Can some help me out?

May 18, 2020 in Docker by kartik
• 37,530 points

1 answer to this question.

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If redis.service file is missed in directory path /etc/systemd/system/redis.service so we have to create file into this directory using command like:

sudo nano /etc/systemd/system/redis.service and write following things

Description=Redis In-Memory Data Store

ExecStart=/usr/local/bin/redis-server /etc/redis/redis.conf
ExecStop=/usr/local/bin/redis-cli shutdown



  • Unit is description and defining the network behavior,
  • Service is to specify the service's behavior and
  • Install define the systemd target that the service should attach to if enabled.

Then create redis user group and directories using

sudo adduser --system --group --no-create-home redis
  1. sudo mkdir /var/lib/redis (Create directory)
  2. sudo chown redis:redis /var/lib/redis (Change owner permission)
  3. sudo chmod 770 /var/lib/redis

run the service sudo systemctl start redis It will be work fine and check the status using

sudo systemctl status redis

Thank you!!

answered May 18, 2020 by Niroj
• 82,880 points

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