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redis-cli how to AUTH using password and issue a command?

When no password is set, we can issue for instance;

>> redis-cli keys *

or

>> redis-cli config set requirepass "aaaaaa"

However, after we have have issued the latter, the first no longer works and results in:

>> redis-cli keys *
  (error) NOAUTH Authentication required.

We need to authenticate. Sure.

>> redis-cli AUTH aaaaaa
   OK
>> redis-cli keys *
   (error) NOAUTH Authentication required.

How do we authenticate and then able to execute a command?

Is this not possible? Heredocs only?

I’ve tried:

>> redis-cli AUTH aaaaaa && config set requirepass "aaaaaa"

But did not work. Also semicolon after aaaaaa. Not work.

How?

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4

Answers


  1. Chosen as BEST ANSWER
    0

    This seems to work:

    redis-cli <<- 'EOF'
        AUTH aaaaaa
        config set requirepass aaaaaa
EOF

  2. 0

    The AUTH commands only last for the duration of the tcp connection. Each new invocation of redis-cli creates a new connection, thus you have to authenticate at each invocation.

    It is possible to execute several redis commands on one invocation of redis-cli: they must be separated by n

    Thus this would work:

    echo -e 'AUTH aaaaaankeys *' | redis-cli

    Note: The other answer also provides a way to pass arguments separated by n to redis-cli

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  3. 0

    You can pass the -a argument for authenticating the redis-cli command like this:

    redis-cli -h 127.0.0.1 -p 6379 -a mypassword keys *
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  4. 0

    The answer from @aureliar is great. I prefer to use environment variables and ( since Redis 6 ) the default user:

    ▶ echo -e "AUTH default ${REDIS_PASSWORD}nkeys *" | redis-cli
OK
1) "foo:superkey:13-June-2022"

    Using a user instead of a global password is much better as you can restrict the commands and keys of a user. More details here.

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