网站/WordPress从虚拟主机搬家到VPS上

拖了一个月终于着手并且完成了。其实没有什么难的。但是因为我对Linux的了解非常局限,还是花了一番功夫,同时学了很多东西,在这里记一下。没有试图写一篇“手把手教你搬WP”,只是记录一些我觉得有帮助的东西,希望做同样的事情的且同样不是那么牛逼的Linux学习者们有用:)

虽说是WordPress搬家,但是任何一个小型网站搬家都差不多这样了吧,嘿嘿。

如果用cPanel和MySQLAdmin之类的东西可能就很傻瓜,但是第一cPanel太贵了(竟然要425多刀一年,我都笑了),第二VPS都买了必须必须要抓住每一个学Linux的机会啊。

过程如下(断断续续弄了好几天…):

环境

虚拟主机和VPS都是host2ez的,最牛逼的主机提供商。系统是CentOS Linux 5.6,apache(现在改名叫httpd)已经装好了,再装

yum php mysql mysql-server

就成。

文件

这个简单,cPanel把虚拟主机上文件打包,VPS上wget下来就好。WP的独立性做的好,文件路径改变不会有什么问题。备份用的插件BackUpWordpress倒因为出问题了,不能识别路径,我直接禁用掉了,VPS嘛马上弄个备份方案还不容易,不需要用WP的插件了。在[wordpress path]/wp_config.php里把信息改一下,数据库部分的怎么改见下面。

数据库

对数据库命令不了解的同学建议先看一下mysql的教程。我不能把所有操作都写出来…这次弄这个还学了不少数据库的东西…tutorial很容易搜到,我觉得有一个比较好的命令列表点 这里,里面包括了所有常用的命令。

在虚拟主机的cPanel – mysqladmin里备份出.sql文件,传上VPS,导入文件的命令是

mysql – u user_name -p database_name < file_name.sql

很多地方写的-p后面跟密码,我用的版本-p后面不跟东西,回车以后才提示输密码,可能是新版本不提倡显式输入密码了吧。非要用的话就–password=”xxxxxx”

如果你导出文件选的是整个mysql,需要打开文件把database”information_schema”部分删掉,否则会失败,这个db貌似是mysql自己的,不能改..不懂

之后要建立一个用户并给此用户分配使用相应db的权限,虽然我们也可以直接把root用户写进wp_config.php但是稍微有点安全意识的程序员都不会想要这么做的…虽然权限没什么大不了的,但是名字叫root就是不行! 所以进数据库:

mysql -u root -p

进去以后添加用户:

mysql> create user 'username'@'localhost' identified by 'mypass';

分配权限:

mysql> grant all privileges on databasename.* to username@localhost;
mysql> flush privileges;

然后就把这个用户甩给Wordpress啦(编辑wp_config.php)

测试的时候有一些问题

上面完了就能http进vps的ip看到博客了,但是不要去点任何东西…因为数据库里“本站”的地址还是原来的域名,这样如果你原来的网站还开着那么随便点个链接就进到原来网站了,如果没开那就can’t find page啦。

而且因为没法进后台改,所以只好进mysql改了

mysql> use viaxlcom_viaxlcom;
mysql> select * from wp_options where option_value rlike "^http";
+-----------+---------+-------------+----------------------------+----------+
| option_id | blog_id | option_name | option_value               | autoload |
+-----------+---------+-------------+----------------------------+----------+
|         2 |       0 | siteurl     | http://axlarts.com/blog      | yes      |
|        39 |       0 | home        | http://axlarts.com           | yes      |
|        41 |       0 | ping_sites  | http://rpc.pingomatic.com/ | yes      | 
+-----------+---------+-------------+----------------------------+----------+
3 rows in set (0.06 sec)
update wp_options set option_value="http://12.34.56.78/blog" where option_id=2;
update wp_options set option_value="http://12.34.56.78" where option_id=39;

这样就把VPS上的网站地址改成本身的IP了。

————————————-
另外我发现一些插件会出现权限问题,比如JW player(放flv视频用的插件),没法启用插件因为提示不能写目录,我整个www目录都是755权限,设置成777以后可以开启了,然后再弄回来。这个问题解决了但是原因一直不知道,直到我因为另一个问题搜了一下才搞明白。

另一个问题是:更新插件update的时候会提示我输入ftp帐号,以前没这事啊,于是我就去装了个vsftpd(ftp的服务端),设置好能更新了,但是为什么?后来搜到这篇文章 <Auto Update WordPress Without FTP> 解决了ftp的问题并且意识到上面的问题也和这个有关系,即因为目录的owner不是httpd,所以网站脚本没有对文件操作的权限。

/var/www目录的owner要设置成httpd的运行者(可以用ps aux或者top命令查看),可能是www,apache或者nobody或者其他的。我的是apache,所以在chown apache:apache /var/www -R之后update就不用输ftp了,我立刻关了vsftpd依然ok,可见之前是绕了弯子了,没权限还用ftp操作文件…

绑域名

进godaddy面板直接改A地址就好了,没有别的要操作的。

但是因为我本来虚拟主机上就放了两个网站,所以怎么在一个VPS上绑定多个域名多个网站?之前用cPanel是傻瓜操作,没有怎么弄?这个我也弄了好半天最终解决了,马上再写一篇单独说吧

好啦好啦,到此结束,路人有问题可以在下面留言~

25,551 thoughts on “网站/WordPress从虚拟主机搬家到VPS上

  1. BruceDiult

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    Really thankful for posts that respect a reader’s time, this one does, and a quick look at lullpebble was the same, no need to scroll through endless intros just to get to the actual content, that approach alone is enough reason to come back here regularly for the kind of writing offered.

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    Reading this post made me realise I had been settling for lower quality elsewhere, and a look at luxvilo extended that recalibration, content that exposes how much I had been accepting in adjacent sources is content with calibrating effect on my standards and this site is performing that calibration function across topics for me reliably.

    Reply
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    Honestly the simplicity is what makes this work, the topic is not buried under filler words or overly complex examples, and a quick look at valzino showed the same sensible style, I left with what I came for and no headache from over reading which is a real win these days.

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  23. AlanNob

    Bookmark added with a small mental note that this is a site to keep, and a look at stylerivo reinforced the keep status, the verb keep rather than visit captures something about how I think about this kind of site and it is a higher tier of relationship than I have with most places online today.

    Reply
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    A piece that left me thinking I had been undercaring about the topic, and a look at moddeck reinforced that mild concern, content that raises the appropriate weight of a subject without being preachy about it is doing important work and this site is providing that gentle elevation of attention for me consistently.

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    Now noticing how rare it is to find a site that does not feel rushed, and a look at hilthive extended that calm pace, content produced without time pressure has a different quality than content shipped to meet a deadline and this site reads as written without urgency which produces a different and better experience for readers.

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  33. MatthewFal

    Came away with a small but real shift in perspective on the topic, and a stop at nextleveltrading pushed that shift a bit further, the kind of subtle reframing that good writing does to a reader without making a big deal of it is something I always appreciate when it happens which is sadly not that often.

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  34. JoelTwimb

    A piece that read as the work of someone who reads carefully themselves, and a look at navmixo continued that informed feel, writers who are also serious readers produce work with a different quality and this site reads as the product of someone steeped in good writing rather than just generating content for an audience.

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  35. ChristopherDob

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  36. NathanielBeili

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  37. NoahQUith

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  39. Grantnaisa

    Found the use of subheadings really helpful for scanning back through the post later, and a stop at qinmora kept that reader friendly approach going, navigation is something many blog writers ignore but small structural choices make a noticeable difference for someone returning to find a specific point again days or weeks later.

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  40. CainVof

    Closed three other tabs to focus on this one and never opened them again, and a stop at luzqiro similarly held attention exclusively, content that crowds out other reading from working memory is content with real density and this site has demonstrated that density across multiple pages I have visited so far this morning.

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  41. LutherMuddy

    Now feeling confident that this site will continue producing work I will want to read, and a look at vividmesh extended that confidence into the future, projecting forward from current quality to expected future quality is something I do for sites I genuinely follow and this one has earned that forward looking trust clearly today.

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  43. YorkDog

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  44. ChandlerNub

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    Reply
  45. Jermainesaf

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    Reply
  46. NathanielCiz

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    Reply
  47. Craigcluts

    Halfway through reading I knew this would be one to bookmark, and a look at cartvani confirmed that early intuition, when bookmark intent forms before finishing a post you know the writing has cleared a quality bar that most content fails to clear and this site has cleared it on multiple visits already.

    Reply
  48. Kobejak

    Now appreciating that I did not feel exhausted after reading, and a stop at ponyosier extended that energising quality, content that leaves me with more attention than it consumed is rare and the gap between draining and energising content is real over the course of a typical day spent reading widely online.

    Reply
  49. NevilleFag

    More substantial than most of what I find searching for this topic online, and a stop at ebongreen kept that quality consistent, this is one of those sites where the writing actually rewards careful reading rather than punishing the patient reader with empty filler stretched out across long paragraphs that say very little.

    Reply

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