[教學]重新安裝php

房東：詹先生
發表時間：2014-11-12

由於之前系統為了測試新東西、所以安裝了許多php5.3的套件

不過php5.3後不支援舊的php程式實在太多了、加上之前的php設定錯誤

造成今天重新啟動apache的時候產生大當機

最後解決的辦法主要是參考這篇文章

移除remi的php安裝到5.2較穩定的版本

php與mysql降級過程記錄：

1.移除php-->yum remove php

2.移除mysql-->yum remove mysql

ps.我移除前有先備份，但事實上証明、並不需要

3.移除被remi更新的相關套件-->yum remove *remi

5.檢查有無之前更新的remi安裝的套件(rpm -qa|grep remi)，若有記得利用(yum remove *remi)移除，或是用(rpm -e)手動移除。

4.移除epel與remi：
yum remove epel-release-5-3 --> 會將相關套件 remi-release-5-7 一起移除。

5.利用yum install 裝回php與mysql
yum install php
yum install mysql

6.檢查設定檔與相關的套件

7.重新啟動Apache與mysql

升級法二：

1.從官網(http://dev.centos.org/centos/5/)下載CentOS-Testing.repo檔案(http://dev.centos.org/centos/5/CentOS-Testing.repo)至/etc/yum.repos.d/目錄下

2.CentOS-Testing.repo檔案內容
##########################################
[c5-testing]
name=CentOS-5 Testing
baseurl=http://dev.centos.org/centos/$releasever/testing/$basearch/
enabled=0
gpgcheck=1
gpgkey=http://dev.centos.org/centos/RPM-GPG-KEY-CentOS-testing

# CentOS-Testing:
# !!!! CAUTION !!!!
# This repository is a proving grounds for packages on their way to CentOSPlus and CentOS Extras.
# They may or may not replace core CentOS packages, and are not guaranteed to function properly.
# These packages build and install, but are waiting for feedback from testers as to
# functionality and stability. Packages in this repository will come and go during the
# development period, so it should not be left enabled or used on production systems without due
# consideration.
##########################################

將CentOS-Testing.repo檔案內的enabled=0 改成 enabled=1啟動這個repo

3.
※先備份php.ini、httpd.conf、my.cnf
※yum install php-->php5.1.6升級至php5.2.10
※yum update httpd也有更新(從2.2.3-->2.2.8)結果httpd.conf設定檔恢復成預設值 --> 將備份檔覆蓋httpd.conf，然後restart httpd

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1 樓住戶：jack
發表時間：2014-11-12

升級版本

CentOS yum 只有php5.1.6

但工作需要因此在網路上找方法讓php 5.2.1 升級到5.3.8

參考

http://www.webtatic.com/packages/php53/

http://blog.smps.tp.edu.tw/~kcodavid/index.php?load=read&id=564

首先

1.rpm -ivh http://repo.webtatic.com/yum/centos/5/`uname -i`/webtatic-release-5-0.noarch.rpm

2.

安裝

yum --enablerepo=webtatic install php

升級

yum --enablerepo=webtatic update php

但php5.3.8 有許多安全性的修改使得先前的函式會產生安全性警告

因此，可以升級到5.2.17

yum --disablerepo=* --enablerepo=webtatic --exclude=php*5.3* update php

降級版本

若已經安裝到5.3.8造成網站產生許多警告訊息，可以利用降級的方法恢復

1. 先移除php 包含php套件等

yum remove php*

2.

yum --disablerepo=* --enablerepo=webtatic --exclude=php*5.3* install php (將會安裝5.2.17)

3.安裝 php套件

yum --disablerepo=* --enablerepo=webtatic --exclude=php*5.3* install php-mbstring

如安裝 php-mcrypt , php-devel , php-gd , php-mysql 等

可參考

http://www.webtatic.com/packages/php53/

2 樓住戶：jack
發表時間：2014-11-12

PHP 5.3 降為 5.2

yum install libXpm.so.4 libt1.so.5 autoconf automake gd

rpm -ivh php-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-cli-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-common-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-devel-5.2.17-1.el6.art.x86_64.rpm

rpm -ivh php-gd-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-ldap-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-mbstring-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-mysql-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-pdo-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh php-xml-5.2.17-1.el6.art.x86_64.rpm
rpm -ivh t1lib-5.1.2-6.el6_2.1.x86_64.rpm

; 避免 yum 更新到 php 做以下設定
vi /etc/yum.conf
加入
exclude=php*

3 樓住戶：jack
發表時間：2014-11-12

在 centos6 將 PHP 5.3 降版至 5.2

1. 安裝 atomic repository
wget -q -O - http://www.atomicorp.com/installers/atomic | sh
安裝完畢會看到 /etc/yum.repos.d/atomic.repo

2. 移除 php5.3 (如無安裝過即跳過此步驟)
yum remove php*

3. 安裝 php 5.2
php-5.2* php-mbstring-5.2* php-xml-5.2* php-ldap-5.2* php-gd-5.2* php-xml-5.2* php-pdo-5.2*

4.避免升級到 php 5.3
vi /etc/yum.repos.d/atomic.repo 或 /etc/yum.conf
加入 exclude=php-5.3* (加在 [atomic] 內)

4 樓住戶：jack
發表時間：2014-11-12

I recommend you to install PHP 5.2 through source.

Before you proceed first make sure you have the right packages installed to compile from source. Probably the easiest way to do it as following:

# stop apache
/etc/init.d/httpd stop

# remove PHP 5.3 RPM
yum remove php
# install packages to compile from source
yum groupinstall "Development Tools"
yum install httpd-devel
yum install libxml2-devel
yum install mysql-devel

# download PHP 5.2.13 Source from www.php.net
# after that extract the tar file:
tar -zxvf php-5.2.13.tar.gz
cd php-5.2.13
./configure --with-apxs2=/usr/sbin/apxs --with-mysql=/usr/local
make
make test (not neccessary)
make install

# hopefully the compilation is succesfully completed
# now copy the default php.ini
cp php.ini-recommended /usr/local/lib/php.ini

# edit php ini
vi /usr/local/lib/php.ini
# change this:
short_open_tag = Off
# to:
short_open_tag = On
# save the document

# edit your Apache http.conf to allow .php files to be parsed
vi /etc/httpd/conf/httpd.conf
# add the following lines:
LoadModule php5_module modules/libphp5.so

SetHandler application/x-httpd-php

# save the document
# restart apache
/etc/init.d/httpd restart

Enjoy PHP 5.2.X!

5 樓住戶：陳經理
發表時間：2014-11-12

Apologies, I eventually found a similar thread on the forum.

http://www.atomicorp.com/forums/viewtopic.php?f=2&t=4902

After reading between the lines, I eventually downgraded by performing the following steps:

Go to the ART repository for your system (mine was: http://www6.atomicorp.com/channels/atomic/centos/5/x86_64/RPMS/)

Download the version of PHP you want to install into a new directory on the server using wget

Run the command

Code:

rpm --oldpackage -Uvh php*

(which gave me some dependency errors)

Download all the packages that the errors list from the ART repository, in my case:
- php-5.2.17-1.el5.art.x86_64.rpm
- php-cli-5.2.17-1.el5.art.x86_64.rpm
- php-common-5.2.17-1.el5.art.x86_64.rpm
- php-devel-5.2.17-1.el5.art.x86_64.rpm
- php-gd-5.2.17-1.el5.art.x86_64.rpm
- php-imap-5.2.17-1.el5.art.x86_64.rpm
- php-mbstring-5.2.17-1.el5.art.x86_64.rpm
- php-mysql-5.2.17-1.el5.art.x86_64.rpm
- php-pdo-5.2.17-1.el5.art.x86_64.rpm
- php-xml-5.2.17-1.el5.art.x86_64.rpm

Keep running the command

Code:

rpm --oldpackage -Uvh php*

, until it accepts it and reverts back with success

Restart Apache with

Code:

/sbin/service httpd restart

Check your PHP version with

Code:

php -v
- Mine is now:
  
  Code:
  
  PHP 5.2.17 (cli) (built: Jan 7 2011 10:39:29)
  
  Copyright (c) 1997-2010 The PHP Group

Set yum to ignore PHP updates by editing /etc/yum.conf and including the line:

Code:

exclude=php*

Hope that helps someone!

6 樓住戶：jack
發表時間：2014-11-17

Gallery2.31 相簿安裝影音轉換
PHP 5.3 on CentOS 5 Webtatic.com
RPM Search RedHat EL 5 php-eaccelerator-0.9.6.1-2.el5.remi.x86_64.rpm

兩個我常用的 CentOS Yum Repo
一. remi 與 epel升級倉庫—> PHP MYSQL 等
rpm -Uvh http://mirror01.idc.hinet.net/EPEL/5/x86_64/epel-release-5-4.noarch.rpm
rpm -Uvh http://rpms.famillecollet.com/enterprise/5/remi/x86_64/remi-release-5-8.el5.remi.noarch.rpm
導入認證KEY
rpm –import http://rpms.famillecollet.com/RPM-GPG-KEY-remi移除 mysql i386
/etc/init.d/mysqld stop
yum erase mysql.i386

安裝升級php 與 mysql
yum –enablerepo=remi check-update
yum –enablerepo=remi upgrade php mysql mysql-server php-mysql php-devel php-gd php-mcrypt php-mstring

/etc/init.d/mysqld start
設定密碼：mysqladmin -u root password ‘密碼’

如 mysql ，升級或安裝時，套件清單都會出現相同名稱的兩套套件，差別只在 i386 與 x86_64 的差異，
若不管，直接輸入 y 安裝之後，一旦要啟動 mysql ，系統就會警告說有兩套 mysql 在系統中，無法啟動！這問題我在安裝 perl 的時候就發生過，結果 perl 就無法執行！

也許可以 rpm -qa grep mysql 確認一下系統上還有哪些 mysql 套件，是否不只是因為有同一版本的 i386 與 x64
或用 yum list mysql* 確認一下有哪些 mysql 套件

只需要在 yum.conf 加上一行過濾掉 i386, i686 的軟件包就可以了：

# vi /etc/yum.conf
[main]
…
exclude=*.i386 *.i686

二. rpmforge 升級倉庫 (另一個類似atrpms repository)—影音類如果是選擇以RPM先連上軟件倉庫最容易更新相關影音轉碼套件 ,CentOS 5.4默認的Repository裡找不到這些yum包，先安裝rpmforge這個Repository。很全很強大，近10000個軟件包。

#32位：wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
rpm -ivh rpmforge-release-0.5.2-2.el5.rf.i386.rpm
#64位：wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
#rpm -Uvh rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
導入認證KEY
rpm –import http://apt.sw.be/RPM-GPG-KEY.dag.txt
(若為CentOS6.xx 則
32位： http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm

x86_64 http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
)

#yum –enablerepo=rpmforge check-update
修改 vi /etc/yum.repos.d/rpmforge.repo
enabled = 1 ==> enabled = 0
然後參照 Install ffmpeg, flvtool2, mplayer, mencoder and ffmpeg-php in Cpanel/CentOS或安裝 Gallery2 電子相簿系統

需額外下載 Transcode Module 放到gallery2 module 目錄

以下方式一次安裝(除了ffmapeg 比較麻煩)
yum install –enablerepo=rpmforge ImageMagick netpbm netpbm-progs jhead ffmpeg ffmpeg-devel flvtool2 mplayer mencoder lame libogg libvorbis libtheora swftools amrnb amrwb transcode x264
How To Install FFmpeg, Mplayer, Mencoder, FFmpeg-PHP on CentOS 5.x Sohail Riaz, Linux and Open Source Blog

參考下列方式可以自行安裝較新套件奇想空先教Server學轉片吧
Install ffmpeg, flvtool2, mplayer, mencoder and ffmpeg-php in Cpanel/CentOS L i j e e s h . I N
1. Open the file “/ffmpeg-php-0.6.0/ffmpeg_frame.c”
2. Replace all PIX_FMT_RGBA32 with PIX_FMT_RGB32 (vi:n1,n2s/PIX_FMT_RGBA32/PIX_FMT_RGB32)/g

Install ffmpeg ffmpeg-php and Audio Binaries on CentOS / RHEL System with Cpanel

(1)LAME (Lame Aint an MP3 Encoder)
(2)ffmpeg
ffmpeg-php extension ffmpeg-php

(3)FLVTool2

ImageMagick: Install from Binary Distribution

http://registerboy.pixnet.net/blog/post/24896148

Installing or Upgrading PHP 5.3.2
cd /root
rpm -ivh http://repo.webtatic.com/yum/centos/5/`uname -i`/webtatic-release-5-0.noarch.rpm
yum –enablerepo=webtatic install php
yum –enablerepo=webtatic install php-devel
yum-allowdowngrade 可以降级的插件：
allow downgrade for yum:
yum install yum-allowdowngrade
Add a line to yum.conf:
showdupesfromrepos=1
After that list all php packages:
yum list php
If php 5.2.8 is available, remove new one:
yum remove php
and install an old one:
yum –allow-downgrade install php-5.2.8

相關套件說明可參考這邊Install ffmpeg ffmpeg-php and Audio Binaries on CentOS / RHEL System with Cpanel

在php.ini裡有一些跟上傳檔案時有關的數值，

◦upload_max_filesize：
這是上傳單一檔案的大小限制，譬如我若允許上傳超過20MB的影片檔，那這數值就必須至少大於「20M」才可以。
◦post_max_size：
PHP允許一次上傳檔案的大小限制，譬如Gallery2要上傳檔案時，可以一次多個檔案上傳，若我一次要上傳2個15MB的影片檔，那麼這個數值就必須至少大於「30M」了。

這個 post_max_size 必須大於 upload_max_filesize
◦memory_limit：
執行每個scripts時使用的memory大小限制

這個 memory_limit 必須大於 post_max_size
這三個數值的大小，必須是 memory_limit > post_max_size > upload_max_filesize

布丁布丁吃什麼？: VNCserver初始設定與自動啟動

MYSQL
先將mysql的服務啟動
#chkconfig mysqld on
#service mysqld start

以下範例為將預設的空密碼改為"my1234〃
#mysqladmin -u root password my1234
如果你是要將舊密碼改為"my1234〃
#mysqladmin -u root -p password my1234
Enter password: <==這裡請輸入舊的密碼

phpMyAdmin
先到phpmyadmin的目錄裡面
#cd /var/www/html/phpMyAdmin
產生config.inc.php設定檔
預設是沒有這個檔案的,要先將config.sample.inc.php複製成config.inc.php
#cp ./config.sample.inc.php ./config.inc.php
將認證方式改為http或是cookie還有修改hostname

為方便MySQL的DB操作(或許以經習慣使用phpMyAdmin來設定DB).
安裝時會有一些要處理的事項, 在此記錄.
PS: 此文大多搜集網路

1. 於phpMyAdmin網頁下載最新版本.
2. /etc/httpd/conf.d/, 新增phpmyadmin.conf
Alias /phpMyAdmin /var/www/phpMyAdmin
Order deny, allow
Deny From ALL
Allow From 192.168.0.

開啟 myphpadmin下的config.sample.inc.php
3.將 $cfg['Servers'][$i]['auth_type'] = ‘cookie’; cookie改為 http，另存為 config.inc.php

4.重新啟動apache

service httpd restart

———————————————————————-
I. 問題1
http://xxx/phpMyAdmin頁面出現
1

php 5.2+ is required

因為php版本低於5.2版
1

php -v

@解決方式:
a. 安裝epel 及 remi
(remi需要epel; 故先安裝epel, 再安裝remi)
1

wget http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm

wget http://rpms.famillecollet.com/el5.i386/remi-release-5-8.el5.remi.noarch.rpm

epel-release-5-4.noarch.rpm與remi-release-5-8.el5.remi.noarch.rpm下載時可以查尋是否有最新版本
b. rpm安裝
1

rpm -Uvh epel-release-5-4.noarch.rpm

rpm -Uvh remi-release-5-8.el5.remi.noarch.rpm

c. 指定remi套件, update php及mysql
1

yum --enablerepo=remi update php mysql

重新啟動php, mysql
1

service httpd restart

service mysqld restart

———————————————————————-
II. 問題2
進入phpMyAdmin, 出現
未安裝mcypt, mstring
設定檔案現在需要密碼 (passphrase) (blowfish_secret).
@解決方式
a. mcrypt及mstring
1

yum --enablerepo=remi install php-mcrypt php-mstring

(若以下方式, 可能無法安裝)

yum install php-mcrypt

yum install php-mstring

b. 設定檔案現在需要密碼
於/var/www/phpMyAdmin/config.inc.php (可修改config.sample.inc.php)
修改
1

$cfg['blowfish_secret'] = '輸入一亂碼, 作cookie認證'

重新啟動apache
1

service httpd restart

7 樓住戶：jack
發表時間：2014-11-17

How To Downgrade RPM Package Using YUM
ON APRIL 1 | IN LINUX | BY SOHAIL RIAZ | WITH NO COMMENTS

In this howto I will describe how to Downgrade a RPM Package Using YUM. Yum came with a plugin named yum-allowdowngrade which allow you to downgrade any existing install RPM to older version. This requirement came from one of my client server that it requires to downgrade PHP version from 5.3.8 to 5.2.17.

1) Check Already Installed RPM and Required RPM

Following command will check which rpm version is installed.

rpm -qa | grep php

The next command will show you all available version using yum. Be noted I am using atomic repository for my PHP upgrade and downgrade. But you can do this with any rpm hence yum provide you with lower version of rpm package. How to add atomic repository kindly see my following post

http://www.sohailriaz.com/how-to-update-php-on-servers-centosfedorarhel/

yum list | grep php | grep atomic

2) Install YUM Plugin

Issue following command to install yum-allowdowngrade plugin

yum -y install yum-allowdowngrade

3) Downgrade RPM Install

First you should be sure what rpm’s you are going to downgrade. For my list I will using already install PHP rpm package name with downgrade argument, which let yum to automatically use the lower version to install and remove the current version of PHP.

yum downgrade php-dba php-soap php-ldap php-mysql php-mcrypt php-common php-cli php-gd php-odbc php-xmlrpc php-snmp php-bcmath php-imap- php-devel php-pdo php php-pgsql php-pgsql php-mbstring php-xml

The above command detect the lower version 5.2.17 at itself and give me option to downgrade the php version to 5.2.17. By giving y to start the installation, it removes the current php version, save the configuration files and install the older version of php 5.2.17. Which was than verified using following commands

rpm -qa | grep php

shows install php rpm with version, additionally you can use php command with version option

php –version

8 樓住戶：joe
發表時間：2014-11-17

http://www.if-not-true-then-false.com/2010/yum-downgrade-packages-on-fedora-centos-red-hat-rhel/

YUM Downgrade Basic Usage
Downgrade is very straightforward when package have not any dependencies, which affect the downgrade.
YUM Downgrade Single Package
yum downgrade package
Example:
yum downgrade hunspell-mr.noarch

Setting up Downgrade Process
Resolving Dependencies
--> Running transaction check
---> Package hunspell-mr.noarch 0:20060920-5.fc13 set to be downgraded
---> Package hunspell-mr.noarch 0:20060920-6.fc14 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
Package Arch Version Repository Size
================================================================================
Downgrading:
hunspell-mr noarch 20060920-5.fc13 fedora 62 k

Transaction Summary
================================================================================
Downgrade 1 Package(s)

Total download size: 62 k
Is this ok [y/N]: y
Downloading Packages:
hunspell-mr-20060920-5.fc13.noarch.rpm | 62 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : hunspell-mr-20060920-5.fc13.noarch 1/2
Cleanup : hunspell-mr-20060920-6.fc14.noarch 2/2

Removed:
hunspell-mr.noarch 0:20060920-6.fc14

Installed:
hunspell-mr.noarch 0:20060920-5.fc13

Complete!
YUM Downgrade Package Which Have Dependencies
YUM downgrade is more difficult with packages that have dependencies. YUM downgrade does not resolve dependencies automatically, so it must be done manually.
YUM Downgrade Package and Dependencies
yum downgrade lib1 lib2 package
Example: check package dependencies manually
yum downgrade sqlite

Setting up Downgrade Process
Resolving Dependencies
--> Running transaction check
---> Package sqlite.i686 0:3.6.22-1.fc13 set to be downgraded
---> Package sqlite.i686 0:3.6.23-1.fc14 set to be erased
--> Finished Dependency Resolution
Error: Package: sqlite-devel-3.6.23-1.fc14.i686 (@rawhide/12)
Requires: sqlite = 3.6.23-1.fc14
Removing: sqlite-3.6.23-1.fc14.i686 (@rawhide/12)
sqlite = 3.6.23-1.fc14
Downgraded By: sqlite-3.6.22-1.fc13.i686 (fedora)
sqlite = 3.6.22-1.fc13
You could try using --skip-broken to work around the problem
SQLite package depends on sqlite-devel package, so both (sqlite-devel and sqlite) have to be downgraded:
yum downgrade sqlite-devel sqlite

Setting up Downgrade Process
Resolving Dependencies
--> Running transaction check
---> Package sqlite.i686 0:3.6.22-1.fc13 set to be downgraded
---> Package sqlite.i686 0:3.6.23-1.fc14 set to be erased
---> Package sqlite-devel.i686 0:3.6.22-1.fc13 set to be downgraded
---> Package sqlite-devel.i686 0:3.6.23-1.fc14 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
Package Arch Version Repository Size
================================================================================
Downgrading:
sqlite i686 3.6.22-1.fc13 fedora 309 k
sqlite-devel i686 3.6.22-1.fc13 fedora 80 k

Transaction Summary
================================================================================
Downgrade 2 Package(s)

Total download size: 389 k
Is this ok [y/N]: y
Downloading Packages:
(1/2): sqlite-3.6.22-1.fc13.i686.rpm | 309 kB 00:00
(2/2): sqlite-devel-3.6.22-1.fc13.i686.rpm | 80 kB 00:00
--------------------------------------------------------------------------------
Total 438 kB/s | 389 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : sqlite-3.6.22-1.fc13.i686 1/4
Installing : sqlite-devel-3.6.22-1.fc13.i686 2/4
Cleanup : sqlite-devel-3.6.23-1.fc14.i686 3/4
Cleanup : sqlite-3.6.23-1.fc14.i686 4/4

Removed:
sqlite.i686 0:3.6.23-1.fc14 sqlite-devel.i686 0:3.6.23-1.fc14

Installed:
sqlite.i686 0:3.6.22-1.fc13 sqlite-devel.i686 0:3.6.22-1.fc13

Complete!

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