127.0.0.1:6379> auth password
OK
# set Value of a Key
127.0.0.1:6379> set key01 value01
OK
# get Value of a Key
127.0.0.1:6379> get key01
"value01"
# delete a Key
127.0.0.1:6379> del key01
(integer) 1
# determine if a Key exists or not (1 means true)
127.0.0.1:6379> exists key01
(integer) 0
# set Value of a Key only when the Key does not exist yet
# integer 0 means Value is not set because the Key already exists
127.0.0.1:6379> setnx key01 value02
(integer) 1
# set Value of a Key with expiration date (60 means Value will expire after 60 second)
127.0.0.1:6379> setex key01 60 value01
OK
# set expiration date to existing Key
127.0.0.1:6379> expire key01 30
(integer) 1
# add Values to a Key
127.0.0.1:6379> append key01 value02
(integer) 15
# get substring of Value of a Key : [Key] [Start] [End]
127.0.0.1:6379> substr key01 0 3
"valu"
127.0.0.1:6379> set key02 1
OK
# increment integer Value of a Key
127.0.0.1:6379> incr key02
(integer) 2
# increment integer Value of a Key by specified value
127.0.0.1:6379> incrby key02 100
(integer) 102
# decrement integer Value of a Key
127.0.0.1:6379> decr key02
(integer) 101
# decrement integer Value of a Key by specified value
127.0.0.1:6379> decrby key02 51
(integer) 50
# set values of some Keys
127.0.0.1:6379> mset key01 value01 key02 value02 key03 value03
OK
# get some Values of Keys
127.0.0.1:6379> mget key01 key02 key03
1) "value01"
2) "value02"
3) "value03"
# rename existing Key
127.0.0.1:6379> rename key03 key04
OK
127.0.0.1:6379> mget key01 key02 key03 key04
1) "value01"
2) "value02"
3) (nil)
4) "value03"
# rename existing Key but if renamed Key already exists, command is not run
127.0.0.1:6379> renamenx key01 key02
(integer) 0
127.0.0.1:6379> mget key01 key02 key03 key04
1) "value01"
2) "value02"
3) (nil)
4) "value03"
# get number of Keys on current Database
127.0.0.1:6379> dbsize
(integer) 3
# move a key to another Database
127.0.0.1:6379> move key04 1
(integer) 1
127.0.0.1:6379> select 1
OK
127.0.0.1:6379[1]> get key04
"value03"
# delete all Keys on current Database
127.0.0.1:6379> flushdb
OK
# delete all Keys on all Database
127.0.0.1:6379> flushall
OK
127.0.0.1:6379> quit
# process with reading data from stdout
[root@dlp ~]# echo 'test_words' | valkey-cli -a password --no-auth-warning -x set key01
OK
[root@dlp ~]# valkey-cli -a password --no-auth-warning get key01
"test_words\n"
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