Linux source package installation process and precautions

It is well known that RedHat Linux uses the RPM package manager to install rpm packages, but the RPM packages are compiled and packaged by Red Hat. They usually lag behind the latest version and may even lack the functions we want to use. If you need to customize the software functions you want, customize the installation path, experience the latest version, etc., you need to compile and install the source code package yourself.

Installation using source code packages requires the following processes:

1.先从官网下载源码安装包，名称一般为.tar.gz,.tgz,.tar.bz2格式，下载完成后解压缩，进入解压缩后的目录

2.安装开发相应的工具包，比如“development Tools"组，gcc,gcc-c++

3.使用./configure --help命令查看脚本帮助，通常软件也会为我们提供README文件的，那里有更详细的帮助。

4.make && make install

Precautions:

1.设置环境变量

可以在/etc/profile中在export PATH行前加入PATH=$PATH:/usr/local/apache/bin 这里以apache为例

2.加载相应的库文件

cd /etc/ld.so.conf.d/ 新建一个.conf文件，将库文件的目录写一行记录在.conf文件中，运行

ldconfig -v显示加载的库文件

3.头文件路径

默认搜索路径为/usr/include,使用软链接命令，

ln -s /usr/local/apache/include    /usr/include/apache

4.修改man文件的路径，vim /etc/man_db.conf中MANDATORY_MANPATH中加入一行

MANDATORY_MANPATH            /path/to/man

ps：也可将软件提供的man文件夹移动至/usr/share/man

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