搭建 CentOS 6 服务器(7)

llbwddkpgr

（一）Memcached 1.4.21
（1）安装libevent
# cd /usr/local/src
# wget http://www.monkey.org/~provos/libevent-1.4.13-stable.tar.gz
# tar xvfz libevent-1.4.13-stable.tar.gz
# cd libevent-1.4.13-stable
# ./configure --prefix=/usr/local/libevent
# make
# make install
# echo "/usr/local/libevent/lib" > /etc/ld.so.conf.d/libevent.conf
# ldconfig

（2）安装memcached
# cd /usr/local/src
# wget http://memcached.org/files/memcached-1.4.21.tar.gz
# tar -zxvf memcached-1.4.21.tar.gz
# cd memcached-1.4.21
# ./configure --with-libevent=/usr/local/libevent/
# make
# make install

（3）设置memcached
# useradd -M memcached
# cp /usr/local/src/memcached-1.4.21/scripts/memcached.sysv /etc/rc.d/init.d/memcached
# vi /etc/rc.d/init.d/memcached
USER=memcached
# chown $USER /var/run/memcached
# daemon memcached -d -p $PORT -u $USER  -m $CACHESIZE -c $MAXCONN -P
/var/run/memcached/memcached.pid $OPTIONS
daemon --pidfile /var/run/memcached/memcached.pid /usr/local/bin/memcached -d -p $PORT -u $USER  
-m $CACHESIZE -c $MAXCONN -P /var/run/memcached/memcached.pid $OPTIONS
# mkdir /var/run/memcached
# chown memcached /var/run/memcached
# chkconfig --add memcached
# chkconfig --level 345 memcached on
# chkconfig --list memcached

（4）环境确认
# /etc/rc.d/init.d/memcached start
# telnet localhost 11211
stats
set mykey 0 900 4
ning
STORED
get mykey
VALUE mykey 0 4
ning
END
quit
# /etc/rc.d/init.d/memcached stop
引用
1）存储数据 set <key> <flags> <exptime> <bytes> [noreply]\r\n<value>\r\n
set key 0 900 8 (最后有一个空格)
data_key
STORED
2）获取数据 get <key>\r\n 或者 gets <key1> <key2>\r\n
get key
VALUE key 0 8
data_key
END
gets key1 key2
VALUE key1 0 9 16520
data_key1
VALUE key2 0 9 16521
data_key2
END
3）删除数据 delete <key> [<time>] [noreply]\r\n
delete key2
DELETED
4）其他
没有直接的命令来列举Memcached的所有keys，通过以下步骤可以获取Keys：
①stats items
>stats items
STAT items:3:number 1
STAT items:3:age 498
STAT items:22:number 1
STAT items:22:age 498
END
STAT items:<slabid>:<stat> <value>\r\n
items后的数字是slab id，number后的数字表示该slab下有几个Key。
②stats cachedump <slabid> <limit>
获取每个slab id的cache dump就能看到ITEM了。
>stats cachedump 3 100
ITEM hello [16 b; 1419815687 s]
END
ITEM <key> [<size> b; <time> s]\r\n
ITEM就是所有的Keys。


Memcached的telnet命令详细
可视化的管理工具：phpMemcachedAdmin
（二）Redis 2.8.17
（1）安装Redis
# cd /usr/local/src
# wget http://download.redis.io/releases/redis-2.8.17.tar.gz
# tar xzvf redis-2.8.17.tar.gz
# cd redis-2.8.17
# make

（2）设置Redis
# mkdir /etc/redis
# cp /usr/local/src/redis-2.8.17/redis.conf /etc/redis
# vi /etc/redis/redis.conf
maxmemory 1GB
slaveof 192.168.133.139 6379
# vim /etc/sysctl.conf
vm.overcommit_memory = 1
# sysctl vm.overcommit_memory=1
# echo 1 > /proc/sys/vm/overcommit_memory  

（3）启动设置
# cd /usr/local/src
# wget --no-check-certificate https://raw.github.com/saxenap/install-redis-amazon-linux-
centos/master/redis-server
# mv redis-server /etc/init.d
# chmod 755 /etc/init.d/redis-server
# chkconfig --add redis-server
# chkconfig --level 345 redis-server on
# chkconfig --list redis-server

（4）环境确认
# service redis-server start
# redis-cli
redis> set foo bar
OK
redis> get foo
"bar"
redis> exit
# service redis-server stop

可视化的管理工具：phpRedisAdmin
（三）MongoDB 2.6.5
（1）追加Repository
# vi /etc/yum.repos.d/mongodb.repo
[mongodb]
name=MongoDB Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/i686/
#baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64/
gpgcheck=0
enabled=1

（2）安装
# yum install -y mongodb-org

（3）启动设置
# chkconfig mongod on

（4）环境确认
# service mongod start
# mongod -version
# mongo
> use test
switched to db test
> db.fish.insert({name: "rensanning"})
WriteResult({ "nInserted" : 1 })
> db.fish.find()
{ "_id" : ObjectId("545c8076dd75c0a6975ec7b0"), "name" : "rensanning" }
> db.dropDatabase()
{ "dropped" : "test", "ok" : 1 }
> show dbs
admin  (empty)
local  0.078GB
> exit
bye
# service mongod stop

可视化的管理工具：RockMongo