Shell script Practice Notes (5) -- build an image server for resources

Background:
Access to Site Resources outside China is sometimes very slow. an occasional download is certainly tolerable. It is a wise decision to build an image site for multiple use or internal use by a small team.
This section uses the yum source image of cdh5 as an example to describe how to use apache2 to build a directory image service and how to copy Site Resources.

1) Build an apache2 server
*) Install apache2.
Yum install httpd
Yum info httpd

*) Confirm configuration items
/Etc/httpd/CONF/httpd. conf

DocumentRoot "/var/www/html"

This configuration item is the default root directory of apache2.

The corresponding DocumentRoot directory structure is as follows:

*) The service is enabled.
Service httpd status
Service httpd start

*) Service verification
Netstat-NLP | grep-e ": 80 \ s"

Browser access

 

2) create an Access Directory
Two methods:
1). under DocumentRoot, create a file/soft link.
Here, we will create a soft link as an example:
Mkdir-P ~ /Resource
Touch ~ /Resource/hive.txt ~ /Resource/hbase.txt
Ln-S ~ /Resource/var/www/html/Resource
Access http: // 172.16.1.106/Resource

2). Build new directory labels
*) Edit/etc/httpd/CONF/httpd. conf.

Alias /repo "/var/www/repo" <Directory "/var/www/repo">　　Options Indexes MultiViews FollowSymLinks 　　AllowOverride None　　Order allow,deny　　Allow from all</Directory>

Use the alias command to make directory:/var/www/repo correspond to/repo in URL

Indexes: Allows display in directory structure. followsymlinks: allows the use of soft links in this directory.

To enable the URL to display the directory structure, the contents of index.html will be removed from the directory, and the content of index.html will be displayed on the negative side, depending on the definition.

DirectoryIndex index.html index.html.var

*) Construct related directories and files
Mkdir-P/var/www/Repo
Touch/var/www/repo/repo.txt

*) Access Verification
Access http: // 172.16.1.106/Repo

3). Copy the site
*) Recursively downloads Site Resources
Http://archive-primary.cloudera.com/cm5/redhat/5/x86_64/cm/5.0.1/
Http://archive-primary.cloudera.com/cdh5/redhat/5/x86_64/cdh/5.0.1/

Cd ~ /Resource
Wget-c-r-NP http://archive-primary.cloudera.com/cm5/redhat/5/x86_64/cm/5.0.1/
Wget-c-r-NP http://archive-primary.cloudera.com/cdh5/redhat/5/x86_64/cdh/5.0.1/

*) Install createrepo
Yum install createrepo

*) Repodata Reconstruction
Createrepo ~ /Resource/archive-primary.cloudera.com/cm5/redhat/5/x86_64/cm/5.0.1/
Createrepo ~ /Resource/archive-primary.cloudera.com/cdh5/redhat/5/x86_64/cdh/5.0.1/

*) Create a soft link
Ln-S ~ /Resource/archive-primary.cloudera.com/cm5/redhat/5/x86_64/cm/5.0.1// var/www/repo/cm5
Ln-S ~ /Resource/archive-primary.cloudera.com/cdh5/redhat/5/x86_64/cdh/5.0.1// var/www/repo/cdh5

*) Verification

References:
Apache2 configuration details
Http://liudaoru.iteye.com/blog/336338
Http://jingyan.baidu.com/article/9158e0006581d1a2541228b5.html