redis的基礎學習

[root@mysql ~]# yum install redis
Loaded plugins: fastestmirror
Determining fastest mirrors






Exiting on user cancel
[root@mysql ~]# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:  
Determining IP information for eth0... done.
                                                           [  OK  ]
[root@mysql ~]# yum install redis
Loaded plugins: fastestmirror
Determining fastest mirrors
 * addons: mirrors.yun-idc.com
 * base: mirrors.yun-idc.com
 * extras: mirror.esocc.com
 * updates: mirrors.yun-idc.com
addons                                                   | 1.9 kB     00:00     
base                                                     | 1.1 kB     00:00     
extras                                                   | 2.1 kB     00:00     
extras/primary_db                                        | 167 kB     00:00     
updates                                                  | 1.9 kB     00:00     
updates/primary_db                                       | 503 kB     00:03     
Setting up Install Process
No package redis available.
Nothing to do
[root@mysql ~]# rpm -ivh http://dl.Fedoraproject.org/pub/ ... ease-5-4.noarch.rpm
Retrieving http://dl.Fedoraproject.org/pub/
/var/tmp/rpm-xfer.R5oV1p: not an rpm package (or package manifest): 
[root@mysql ~]# rpm -ivh http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
Retrieving http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
warning: /var/tmp/rpm-xfer.JfhQhy: Header V3 DSA signature: NOKEY, key ID 217521f6
Preparing...                ########################################### [100%]
   1:epel-release           ########################################### [100%]
[root@mysql ~]# yum install redis
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: mirrors.grandcloud.cn
 * base: mirrors.grandcloud.cn
 * epel: mirrors.yun-idc.com
 * extras: mirrors.grandcloud.cn
 * updates: mirrors.grandcloud.cn
epel                                                     | 3.6 kB     00:00     
epel/primary_db                                          | 3.1 MB     00:13     
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package redis.i386 0:2.4.10-1.el5 set to be updated
--> Finished Dependency Resolution


Dependencies Resolved


================================================================================
 Package          Arch            Version                 Repository       Size
================================================================================
Installing:
 redis            i386            2.4.10-1.el5            epel            299 k


Transaction Summary
================================================================================
Install       1 Package(s)
Upgrade       0 Package(s)


Total download size: 299 k
Is this ok [y/N]: y
Downloading Packages:
redis-2.4.10-1.el5.i386.rpm                              | 299 kB     00:02     
warning: rpmts_HdrFromFdno: Header V4 DSA signature: NOKEY, key ID 217521f6
epel/gpgkey                                              | 1.7 kB     00:00     
Importing GPG key 0x217521F6 "Fedora EPEL <[email protected]>" from /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL
Is this ok [y/N]: y
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : redis                                                    1/1 


Installed:
  redis.i386 0:2.4.10-1.el5                                                     


Complete!
[root@mysql ~]
[root@mysql ~]# find / -name "redis*"
/usr/share/doc/redis-2.4.10
/usr/bin/redis-check-dump
/usr/bin/redis-benchmark
/usr/bin/redis-cli
/usr/bin/redis-check-aof
/usr/sbin/redis-server
/etc/redis.conf
/etc/logrotate.d/redis
/etc/rc.d/init.d/redis
/var/run/redis
/var/lib/redis
/var/log/redis
[root@mysql ~]# 
[root@mysql ~]# ps aux|grep redis
root      4148  0.0  0.2  31056  1088 ?        Ssl  22:44   0:00 redis-server /etc/redis.conf
root      4153  0.0  0.1   4008   668 pts/2    R+   22:44   0:00 grep redis
[root@mysql ~]# telnet localhost 6379
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
set song 8
+OK
get song
$1
8
set xixi 
-ERR wrong number of arguments for 'set' command
get ^H
$-1
set song xi
+OK
get xi
$-1
get song
$2
xi
lpush 11 11 ^H
:2
lpush 11 22
:3
rpush 55 66
:1
lrange 11 0 -1
*3
$2
22
$1


$2
11




s
-ERR unknown command 's'
del 33
:0
lrange 11 0 -1
*3
$2
22
$1


$2
11
quit
+OK
Connection closed by foreign host.
[root@mysql ~]# 
Ruby連接Redis數據庫測試
1.下載ruby程序包
[root@mysql ~]# rpm -qa | grep ruby
[root@mysql ~]# 
[root@mysql ~]# mkdir ruby
[root@mysql ~]# cd ruby/
[root@mysql ruby]# pwd
/root/ruby
[root@mysql ruby]# wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p180.tar.gz
--2013-07-01 22:49:15--  http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p180.tar.gz
Resolving ftp.ruby-lang.org... 221.186.184.68
Connecting to ftp.ruby-lang.org|221.186.184.68|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 11158935 (11M) [application/x-tar]
Saving to: `ruby-1.9.2-p180.tar.gz'


100%[======================================>] 11,158,935  52.6K/s   in 3m 30s  


2013-07-01 22:52:47 (51.8 KB/s) - `ruby-1.9.2-p180.tar.gz' saved [11158935/11158935]


[root@mysql ruby]# 
 tar -zxvf ruby-1.9.2-p180.tar.gz
[root@mysql ruby]# cd ruby-1.9.2-p180
[root@mysql ruby-1.9.2-p180]# ./configure
checking whether ELF binaries are produced... yes
checking whether OS depend dynamic link works... yes
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking for if make is GNU make... yes
checking for nroff... /usr/bin/nroff
.ext/include/i686-linux/ruby/config.h updated
ruby library version = 1.9.1
configure: creating ./config.status
config.status: creating Makefile
[root@mysql ruby-1.9.2-p180]# make
Generating RI...


Files:       515
Classes:    1087 (  654 undocumented)
Constants:  1364 ( 1141 undocumented)
Modules:     239 (  137 undocumented)
Methods:    7642 ( 2876 undocumented)
 53.46% documented


Elapsed: 87.4s
[root@mysql ruby-1.9.2-p180]# make install
installing extension scripts: /usr/local/lib/ruby/site_ruby/1.9.1
installing extension scripts: /usr/local/lib/ruby/vendor_ruby/1.9.1
installing extension headers: /usr/local/include/ruby-1.9.1/ruby
installing rdoc:              /usr/local/share/ri/1.9.1/system
installing capi-docs:         /usr/local/share/doc/ruby
installing command scripts:   /usr/local/bin
installing library scripts:   /usr/local/lib/ruby/1.9.1
installing common headers:    /usr/local/include/ruby-1.9.1
installing manpages:          /usr/local/share/man/man1
installing default gems:      /usr/local/lib/ruby/gems/1.9.1 (cache, doc, gems, specifications)
                              rake 0.8.7
                              rdoc 2.5.8
                              minitest 1.6.0
[root@mysql ruby-1.9.2-p180]# 
找ruby安裝到哪些目錄下
[root@mysql ruby-1.9.2-p180]# find / -name ruby
/usr/local/include/ruby-1.9.1/i686-linux/ruby
/usr/local/include/ruby-1.9.1/ruby
/usr/local/share/doc/ruby
/usr/local/lib/ruby
/usr/local/bin/ruby
/root/ruby
/root/ruby/ruby-1.9.2-p180/.ext/include/i686-linux/ruby
/root/ruby/ruby-1.9.2-p180/.ext/include/ruby
/root/ruby/ruby-1.9.2-p180/include/ruby
/root/ruby/ruby-1.9.2-p180/ruby
/root/ruby/ruby-1.9.2-p180/test/ruby
[root@mysql ruby-1.9.2-p180]# 
設置/etc/profile環境變量，對全局有效
[root@mysql ruby]# export PATH=/usr/local/bin
[root@mysql ruby]# export PATH=/usr/local/bin:/sbin:$PATH 
安裝rubygems組件（通過這個組件安裝redis-rb程序庫）
[root@mysql ruby-1.9.2-p180]# yum install rubygems
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: mirrors.grandcloud.cn
 * base: mirrors.grandcloud.cn
 * epel: mirrors.yun-idc.com
 * extras: mirrors.grandcloud.cn
 * updates: mirrors.grandcloud.cn
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package rubygems.noarch 0:1.3.1-1.el5 set to be updated
--> Processing Dependency: ruby(abi) = 1.8 for package: rubygems
--> Processing Dependency: ruby-rdoc for package: rubygems
--> Processing Dependency: /usr/bin/ruby for package: rubygems
--> Running transaction check
---> Package ruby.i386 0:1.8.5-29.el5_9 set to be updated
---> Package ruby-libs.i386 0:1.8.5-29.el5_9 set to be updated
---> Package ruby-rdoc.i386 0:1.8.5-29.el5_9 set to be updated
--> Processing Dependency: ruby-irb = 1.8.5-29.el5_9 for package: ruby-rdoc
--> Running transaction check
---> Package ruby-irb.i386 0:1.8.5-29.el5_9 set to be updated
--> Finished Dependency Resolution


Dependencies Resolved


================================================================================
 Package           Arch           Version                 Repository       Size
================================================================================
Installing:
 rubygems          noarch         1.3.1-1.el5             epel            177 k
Installing for dependencies:
 ruby              i386           1.8.5-29.el5_9          updates         279 k
 ruby-irb          i386           1.8.5-29.el5_9          updates          71 k
 ruby-libs         i386           1.8.5-29.el5_9          updates         1.6 M
 ruby-rdoc         i386           1.8.5-29.el5_9          updates         137 k


Transaction Summary
================================================================================
Install       5 Package(s)
Upgrade       0 Package(s)


Total download size: 2.3 M
Is this ok [y/N]: y
Downloading Packages:
(1/5): ruby-irb-1.8.5-29.el5_9.i386.rpm                  |  71 kB     00:01     
(2/5): ruby-rdoc-1.8.5-29.el5_9.i386.rpm                 | 137 kB     00:00     
(3/5): rubygems-1.3.1-1.el5.noarch.rpm                                                                                                                     | 177 kB     00:01     
(4/5): ruby-1.8.5-29.el5_9.i386.rpm                                                                                                                        | 279 kB     00:01     
(5/5): ruby-libs-1.8.5-29.el5_9.i386.rpm                                                                                                                   | 1.6 MB     00:22     
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                              83 kB/s | 2.3 MB     00:28     
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : ruby-libs                                                                                                                                                  1/5 
  Installing     : ruby                                                                                                                                                       2/5 
  Installing     : ruby-irb                                                                                                                                                   3/5 
  Installing     : ruby-rdoc                                                                                                                                                  4/5 
  Installing     : rubygems                                                                                                                                                   5/5 


Installed:
  rubygems.noarch 0:1.3.1-1.el5                                                                                                                                                   


Dependency Installed:
  ruby.i386 0:1.8.5-29.el5_9              ruby-irb.i386 0:1.8.5-29.el5_9              ruby-libs.i386 0:1.8.5-29.el5_9              ruby-rdoc.i386 0:1.8.5-29.el5_9             


Complete!
[root@mysql ruby-1.9.2-p180]#
編寫ruby腳本訪問redis數據庫
[root@mysql ruby]# vim song_redis.rb
require 'rubygems'
require 'redis'
redis=Redis.new
redis2=Redis.new
hoge = "leonarding";
redis.lpush:hoge,3 
redis.lpush:hoge,2 
redis.lpush:hoge,1
redis.rpush:hoge,4
p redis.lrange:hoge,0,-1
~
~
~
~
~
~
~
~
~
~
~
~
~
"song_redis.rb" 10L, 197C written                             
[root@mysql ruby]#  
[root@mysql ruby]# ruby  song_redis.rb 
["1", "2", "3", "4"]
[root@mysql ruby]# 
[root@mysql ruby]# ruby  song_redis.rb 
["1", "2", "3", "1", "2", "3", "4", "4"]
[root@mysql ruby]# 
[root@mysql ruby]# ruby  song_redis.rb 
["1", "2", "3", "1", "2", "3", "1", "2", "3", "4", "4", "4"]
[root@mysql ruby]#