在linux下以yum安裝mcrypt(php-mcrypt)

IT_man

首先check linux是否安裝php-mcrypt module
% W" z4 s6 c) ~$ K3 T" e% P

1. #rpm -qa | grep php-mcrypt

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若無則以yum安裝
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1. #yum install php-mcrypt

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但它會提示說無php-mcrypt可供安裝，於是執行下列動作:
4 u6 ~$ p( Y7 b! L3 }; Y! ~for CentOS 6.x x86:

1. # wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm
   
2. # rpm -ivh rpmforge-release-0.5.2-2.el6.rf.i686.rpm
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3. # wget http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
   
4. # rpm -ivh epel-release-6-8.noarch.rpm

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for CentOS 6.x x64

1. # wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
   , a8 k5 K. L9 c. c: X2 {4 h+ ?# h$ k
2. # rpm -ivh rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
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3. # wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
   
4. # rpm -ivh epel-release-6-8.noarch.rpm

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再執行一遍 #yum install php-mcrypt，但這次出現的問題是
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1. # yum install php-mcrypt
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2. Loaded plugins: fastestmirror, refresh-packagekit
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3. Loading mirror speeds from cached hostfile
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4. Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again

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於是
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1. #vi  etc/yum.repos.d/epel.repo

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將[epel]段下的 baseurl註解掉，並將mirrorlist恢復，如下:
2 A4 C% I& f. k1 \- Y7 Mbaseurl
  t  K9 u/ t  _* O5 B# N1 x#mirrorlist
- U: H* n3 D0 o最後再執行一遍 #yum install php-mcrypt，這次終於順利安裝完成，會看到安裝如下的模組
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7 x% o; @$ c1 q& t- b% {* ^且apache需restart，php-mcrypt module才會發生作用

1. #service httpd restart

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