Redis cli

Here the list of the most commond redis cli commands

Connection & Info

• redis-cli – Connect to Redis server (default localhost:6379)
• redis-cli -h <host> -p <port> – Connect to specific host/port
• redis-cli --tls -u <conn_string> --cacert name.crt – Connect using TLS and CA
• PING – Test connection (returns PONG)
• INFO – Get server statistics and information
• CONFIG GET * – View all configuration parameters

Key Operations

• KEYS * – List all keys (avoid in production – use SCAN instead)
• SCAN 0 – Iterate through keys safely in production
• EXISTS <key> – Check if key exists
• DEL <key> – Delete a key
• TYPE <key> – Get the data type of a key
• TTL <key> – Get time to live in seconds
• EXPIRE <key> <seconds> – Set expiration time
• PERSIST <key> – Remove expiration from key
• RENAME <oldkey> <newkey> – Rename a key

String Operations

• SET <key> <value> – Set a string value
• SET <key> <value> EX <seconds> – Set with expiration (replaces SETEX)
• SET <key> <value> NX – Set only if not exists (replaces SETNX)
• GET <key> – Get a string value
• GETSET <key> <value> – Set and return old value
• INCR <key> – Increment integer value by 1
• DECR <key> – Decrement integer value by 1
• INCRBY <key> <increment> – Increment by specific amount
• INCRBYFLOAT <key> <increment> – Increment by float
• MGET <key1> <key2> ... – Get multiple values
• APPEND <key> <value> – Append to string
• STRLEN <key> – Get string length
• GETRANGE <key> <start> <end> – Get substring
• SETRANGE <key> <offset> <value> – Overwrite part of string

Hash Operations

• HSET <key> <field> <value> – Set hash field (also accepts multiple field-value pairs)
• HGET <key> <field> – Get hash field value
• HGETALL <key> – Get all fields and values
• HDEL <key> <field> – Delete hash field
• HKEYS <key> – Get all field names
• HVALS <key> – Get all values
• HLEN <key> – Get number of fields
• HEXISTS <key> <field> – Check if field exists
• HINCRBY <key> <field> <increment> – Increment hash field
• HSCAN <key> <cursor> – Iterate hash fields

List Operations

• LPUSH <key> <value> – Push to list head
• RPUSH <key> <value> – Push to list tail
• LPOP <key> – Pop from list head
• RPOP <key> – Pop from list tail
• LRANGE <key> <start> <stop> – Get range of elements (use LRANGE key 0 -1 for all)
• LLEN <key> – Get list length
• LINDEX <key> <index> – Get element by index
• LSET <key> <index> <value> – Set element by index
• LINSERT <key> BEFORE|AFTER <pivot> <value> – Insert element
• LTRIM <key> <start> <stop> – Trim list to range
• BLPOP <key> <timeout> – Blocking pop from head
• BRPOP <key> <timeout> – Blocking pop from tail
• RPOPLPUSH <source> <dest> – Pop from one list, push to another
• BRPOPLPUSH <source> <dest> <timeout> – Blocking version

Set Operations

• SADD <key> <member> – Add member to set
• SMEMBERS <key> – Get all set members
• SISMEMBER <key> <member> – Check if member exists
• SREM <key> <member> – Remove member from set
• SCARD <key> – Get set cardinality (size)
• SDIFF <key1> <key2> – Set difference
• SINTER <key1> <key2> – Set intersection
• SUNION <key1> <key2> – Set union
• SDIFFSTORE <dest> <key1> <key2> – Store difference result
• SINTERSTORE <dest> <key1> <key2> – Store intersection result
• SUNIONSTORE <dest> <key1> <key2> – Store union result
• SPOP <key> – Remove and return random member
• SRANDMEMBER <key> <count> – Get random member(s)
• SSCAN <key> <cursor> – Iterate set members

Sorted Set Operations

• ZADD <key> <score> <member> – Add member with score
• ZRANGE <key> <start> <stop> – Get range by index
• ZRANGEBYSCORE <key> <min> <max> – Get range by score
• ZREM <key> <member> – Remove member
• ZCARD <key> – Get sorted set size
• ZCOUNT <key> <min> <max> – Count members in score range
• ZINCRBY <key> <increment> <member> – Increment member score
• ZRANK <key> <member> – Get member rank (ascending)
• ZREVRANK <key> <member> – Get member rank (descending)
• ZSCORE <key> <member> – Get member score
• ZREVRANGE <key> <start> <stop> – Get range in reverse order
• ZREMRANGEBYRANK <key> <start> <stop> – Remove by rank range
• ZREMRANGEBYSCORE <key> <min> <max> – Remove by score range
• ZUNIONSTORE <dest> <numkeys> <key...> – Union of sorted sets
• ZINTERSTORE <dest> <numkeys> <key...> – Intersection of sorted sets
• ZSCAN <key> <cursor> – Iterate sorted set members
• ZPOPMIN <key> <count> – Pop members with lowest scores
• ZPOPMAX <key> <count> – Pop members with highest scores

Pub/Sub (Messaging)

• PUBLISH <channel> <message> – Send message to channel
• SUBSCRIBE <channel> – Subscribe to channel(s)
• PSUBSCRIBE <pattern> – Subscribe using pattern matching
• UNSUBSCRIBE <channel> – Unsubscribe from channel
• PUBSUB CHANNELS – List active channels
• PUBSUB NUMSUB <channel> – Get subscriber count for channels

Transactions

• MULTI – Start transaction block
• EXEC – Execute all commands in transaction
• DISCARD – Cancel transaction
• WATCH <key> – Watch key for optimistic locking
• UNWATCH – Clear all watched keys

Scripting (Lua)

• EVAL <script> <numkeys> <key...> <arg...> – Execute Lua script
• EVALSHA <sha1> <numkeys> <key...> <arg...> – Execute cached script
• SCRIPT LOAD <script> – Load script into cache
• SCRIPT EXISTS <sha1> – Check if script is cached
• SCRIPT FLUSH – Remove all cached scripts
• SCRIPT KILL – Kill running script

Bit Operations (Bitmaps)

• SETBIT <key> <offset> <value> – Set bit at offset
• GETBIT <key> <offset> – Get bit at offset
• BITCOUNT <key> – Count set bits
• BITOP AND|OR|XOR|NOT <destkey> <key...> – Bitwise operations
• BITPOS <key> <bit> – Find first bit set/clear

HyperLogLog (Cardinality Estimation)

• PFADD <key> <element...> – Add elements
• PFCOUNT <key...> – Get approximate count
• PFMERGE <destkey> <sourcekey...> – Merge HyperLogLogs

Geospatial

• GEOADD <key> <long> <lat> <member> – Add location
• GEODIST <key> <member1> <member2> <unit> – Get distance
• GEOSEARCH <key> FROMLONLAT <long> <lat> BYRADIUS <radius> <unit> – Query by radius from coordinates
• GEOSEARCH <key> FROMMEMBER <member> BYRADIUS <radius> <unit> – Query by radius from member
• GEOPOS <key> <member> – Get coordinates
• GEOHASH <key> <member> – Get geohash string

Streams (Event Sourcing)

• XADD <key> * <field> <value> – Add entry to stream
• XREAD STREAMS <key> <id> – Read from stream
• XRANGE <key> <start> <end> – Get range of entries
• XLEN <key> – Get stream length
• XGROUP CREATE <key> <group> <id> – Create consumer group
• XREADGROUP GROUP <group> <consumer> STREAMS <key> > – Read as consumer
• XACK <key> <group> <id> – Acknowledge message
• XPENDING <key> <group> – Check pending messages

Database & Admin

• SELECT <db> – Switch to database number (0-15 by default)
• FLUSHDB – Clear current database
• FLUSHALL – Clear all databases
• DBSIZE – Get number of keys in current database
• MONITOR – Watch all commands in real-time (debug only)
• SAVE – Synchronous save to disk
• BGSAVE – Background save to disk

Memory & Performance

• MEMORY USAGE <key> – Get memory used by key
• MEMORY STATS – Memory allocation stats
• MEMORY DOCTOR – Memory usage report
• SLOWLOG GET <count> – Get slow queries
• SLOWLOG LEN – Get slow log length
• SLOWLOG RESET – Clear slow log
• CLIENT LIST – List connected clients
• CLIENT KILL <ip:port> – Kill client connection
• CLIENT SETNAME <name> – Set client name
• CLIENT GETNAME – Get client name

Cluster Commands

• CLUSTER INFO – Get cluster information
• CLUSTER NODES – List all nodes
• CLUSTER SLOTS – Get slot assignments
• CLUSTER KEYSLOT <key> – Get hash slot for key

Debugging & Analysis

• OBJECT ENCODING <key> – Get internal encoding
• OBJECT REFCOUNT <key> – Get reference count
• OBJECT IDLETIME <key> – Get idle time in seconds
• DEBUG OBJECT <key> – Get debug info about key
• DUMP <key> – Serialize key value
• RESTORE <key> <ttl> <serialized-value> – Restore serialized value

CLI Options

• redis-cli --scan --pattern "user:*" – Search for keys by pattern
• redis-cli --bigkeys – Find biggest keys
• redis-cli --stat – Show continuous stats
• redis-cli --latency – Measure latency
• redis-cli --rdb <filename> – Download RDB backup
• redis-cli --pipe – Pipe mode for mass insertion
• redis-cli --csv – Output in CSV format
• redis-cli --intrinsic-latency <seconds> – Measure system latency
• redis-cli --ldb – Start Lua debugger
• redis-cli --eval <file> <keys> , <args> – Execute Lua script from file