diff --git a/codes/linux/soft/config/redis-cluster/6381/redis.conf b/codes/linux/soft/config/redis-cluster/6381/redis.conf
new file mode 100644
index 0000000..f0315be
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/6381/redis.conf
@@ -0,0 +1,12 @@
+port 6381
+bind 0.0.0.0
+daemonize yes
+
+cluster-enabled yes
+cluster-config-file /opt/redis/redis-5.0.4/cluster/6381/6381.conf
+cluster-node-timeout 10000
+
+appendonly yes
+dir /opt/redis/redis-5.0.4/cluster/6381
+pidfile /var/run/redis-cluster/redis-6381.pid
+logfile /opt/redis/redis-5.0.4/cluster/6381/6381.log
\ No newline at end of file
diff --git a/codes/linux/soft/config/redis-cluster/6382/redis.conf b/codes/linux/soft/config/redis-cluster/6382/redis.conf
new file mode 100644
index 0000000..6ca21ea
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/6382/redis.conf
@@ -0,0 +1,12 @@
+port 6382
+bind 0.0.0.0
+daemonize yes
+
+cluster-enabled yes
+cluster-config-file /opt/redis/redis-5.0.4/cluster/6382/6382.conf
+cluster-node-timeout 10000
+
+appendonly yes
+dir /opt/redis/redis-5.0.4/cluster/6382
+pidfile /var/run/redis-cluster/redis-6382.pid
+logfile /opt/redis/redis-5.0.4/cluster/6382/6382.log
\ No newline at end of file
diff --git a/codes/linux/soft/config/redis-cluster/6383/redis.conf b/codes/linux/soft/config/redis-cluster/6383/redis.conf
new file mode 100644
index 0000000..509f9d3
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/6383/redis.conf
@@ -0,0 +1,12 @@
+port 6383
+bind 0.0.0.0
+daemonize yes
+
+cluster-enabled yes
+cluster-config-file /opt/redis/redis-5.0.4/cluster/6383/6383.conf
+cluster-node-timeout 10000
+
+appendonly yes
+dir /opt/redis/redis-5.0.4/cluster/6383
+pidfile /var/run/redis-cluster/redis-6383.pid
+logfile /opt/redis/redis-5.0.4/cluster/6383/6383.log
diff --git a/codes/linux/soft/config/redis-cluster/6384/redis.conf b/codes/linux/soft/config/redis-cluster/6384/redis.conf
new file mode 100644
index 0000000..10a64db
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/6384/redis.conf
@@ -0,0 +1,12 @@
+port 6384
+bind 0.0.0.0
+daemonize yes
+
+cluster-enabled yes
+cluster-config-file /opt/redis/redis-5.0.4/cluster/6384/6384.conf
+cluster-node-timeout 10000
+
+appendonly yes
+dir /opt/redis/redis-5.0.4/cluster/6384
+pidfile /var/run/redis-cluster/redis-6384.pid
+logfile /opt/redis/redis-5.0.4/cluster/6384/6384.log
diff --git a/codes/linux/soft/config/redis-cluster/6385/redis.conf b/codes/linux/soft/config/redis-cluster/6385/redis.conf
new file mode 100644
index 0000000..33b66a6
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/6385/redis.conf
@@ -0,0 +1,12 @@
+port 6385
+bind 0.0.0.0
+daemonize yes
+
+cluster-enabled yes
+cluster-config-file /opt/redis/redis-5.0.4/cluster/6385/6385.conf
+cluster-node-timeout 10000
+
+appendonly yes
+dir /opt/redis/redis-5.0.4/cluster/6385
+pidfile /var/run/redis-cluster/redis-6385.pid
+logfile /opt/redis/redis-5.0.4/cluster/6385/6385.log
diff --git a/codes/linux/soft/config/redis-cluster/6386/redis.conf b/codes/linux/soft/config/redis-cluster/6386/redis.conf
new file mode 100644
index 0000000..21af861
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/6386/redis.conf
@@ -0,0 +1,12 @@
+port 6386
+bind 0.0.0.0
+daemonize yes
+
+cluster-enabled yes
+cluster-config-file /opt/redis/redis-5.0.4/cluster/6386/6386.conf
+cluster-node-timeout 10000
+
+appendonly yes
+dir /opt/redis/redis-5.0.4/cluster/6386
+pidfile /var/run/redis-cluster/redis-6386.pid
+logfile /opt/redis/redis-5.0.4/cluster/6386/6386.log
diff --git a/codes/linux/soft/config/redis-cluster/boot.sh b/codes/linux/soft/config/redis-cluster/boot.sh
new file mode 100644
index 0000000..731bd46
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/boot.sh
@@ -0,0 +1,7 @@
+
+/opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/6381/redis.conf
+/opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/6382/redis.conf
+/opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/6383/redis.conf
+/opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/6384/redis.conf
+/opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/6385/redis.conf
+/opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/6386/redis.conf
diff --git a/codes/linux/soft/config/redis-cluster/create-cluster b/codes/linux/soft/config/redis-cluster/create-cluster
new file mode 100644
index 0000000..3de8152
--- /dev/null
+++ b/codes/linux/soft/config/redis-cluster/create-cluster
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# Settings
+PORT=6380
+TIMEOUT=2000
+NODES=6
+REPLICAS=1
+
+# You may want to put the above config parameters into config.sh in order to
+# override the defaults without modifying this script.
+
+if [ -a config.sh ]
+then
+    source "config.sh"
+fi
+
+# Computed vars
+ENDPORT=$((PORT+NODES))
+
+if [ "$1" == "start" ]
+then
+    while [ $((PORT < ENDPORT)) != "0" ]; do
+        PORT=$((PORT+1))
+        echo "Starting $PORT"
+        /opt/redis/redis-5.0.4/src/redis-server /opt/redis/redis-5.0.4/cluster/${PORT}/redis.conf
+    done
+    exit 0
+fi
+
+if [ "$1" == "create" ]
+then
+    HOSTS=""
+    while [ $((PORT < ENDPORT)) != "0" ]; do
+        PORT=$((PORT+1))
+        HOSTS="$HOSTS 127.0.0.1:$PORT"
+    done
+    /opt/redis/redis-5.0.4/src/redis-cli --cluster create $HOSTS --cluster-replicas $REPLICAS
+    exit 0
+fi
+
+if [ "$1" == "stop" ]
+then
+    while [ $((PORT < ENDPORT)) != "0" ]; do
+        PORT=$((PORT+1))
+        echo "Stopping $PORT"
+        /opt/redis/redis-5.0.4/src/redis-cli -p $PORT shutdown nosave
+    done
+    exit 0
+fi
+
+if [ "$1" == "watch" ]
+then
+    PORT=$((PORT+1))
+    while [ 1 ]; do
+        clear
+        date
+        /opt/redis/redis-5.0.4/src/redis-cli -p $PORT cluster nodes | head -30
+        sleep 1
+    done
+    exit 0
+fi
+
+if [ "$1" == "tail" ]
+then
+    INSTANCE=$2
+    PORT=$((PORT+INSTANCE))
+    tail -f ${PORT}.log
+    exit 0
+fi
+
+if [ "$1" == "call" ]
+then
+    while [ $((PORT < ENDPORT)) != "0" ]; do
+        PORT=$((PORT+1))
+        /opt/redis/redis-5.0.4/src/redis-cli -p $PORT $2 $3 $4 $5 $6 $7 $8 $9
+    done
+    exit 0
+fi
+
+if [ "$1" == "clean" ]
+then
+    rm -rf *.log
+    rm -rf appendonly*.aof
+    rm -rf dump*.rdb
+    rm -rf nodes*.conf
+    exit 0
+fi
+
+if [ "$1" == "clean-logs" ]
+then
+    rm -rf *.log
+    exit 0
+fi
+
+echo "Usage: $0 [start|create|stop|watch|tail|clean]"
+echo "start       -- Launch Redis Cluster instances."
+echo "create      -- Create a cluster using redis-cli --cluster create."
+echo "stop        -- Stop Redis Cluster instances."
+echo "watch       -- Show CLUSTER NODES output (first 30 lines) of first node."
+echo "tail <id>   -- Run tail -f of instance at base port + ID."
+echo "clean       -- Remove all instances data, logs, configs."
+echo "clean-logs  -- Remove just instances logs."
diff --git a/docs/coverpage.md b/docs/coverpage.md
index 8f6b1e3..881c708 100644
--- a/docs/coverpage.md
+++ b/docs/coverpage.md
@@ -1,4 +1,4 @@
-<div align="center"><img width="100px" src="http://dunwu.test.upcdn.net/cs/others/zp.png"/></div>
+<div align="center"><img width="100px" src="http://dunwu.test.upcdn.net/common/logo/zp.png"/></div>
 
 # Linux Tutorial
 
diff --git a/docs/index.html b/docs/index.html
index b72a9db..c50503e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -9,7 +9,7 @@
       name="viewport"
       content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
     />
-    <link rel="icon" href="http://dunwu.test.upcdn.net/images/others/zp_50_50.png" type="image/x-icon" />
+    <link rel="icon" href="http://dunwu.test.upcdn.net/common/logo/zp_50_50.png" type="image/x-icon" />
     <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css" title="vue" />
     <style>
       h1 + ul {
@@ -216,7 +216,7 @@
       window.$docsify = {
         name: "Linux Tutorial",
         repo: "https://github.com/dunwu/linux-tutorial",
-        logo: "http://dunwu.test.upcdn.net/images/others/zp_100_100.png",
+        logo: "http://dunwu.test.upcdn.net/common/logo/zp_100_100.png",
         auto2top: true,
         coverpage: "coverpage.md",
         maxLevel: 4,