centos命令源码获取

拼搏现实的明天。 2022-10-30 11:19 154阅读 0赞

### 源码链接 ###

> `https://vault.centos.org/7.9.2009/os/Source/SPackages/`

### 查看本地命令版本 ###

which ls
    rpm -qf /usr/bin/ls

![在这里插入图片描述][20210219103304902.png]

### 下载指定命令的rpm包 ###

wget https://vault.centos.org/7.9.2009/os/Source/SPackages/coreutils-8.22-24.el7.src.rpm

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4Njg2OTEx_size_16_color_FFFFFF_t_70]

### 提取源码 ###

rpm2cpio coreutils-8.22-24.el7.src.rpm | cpio -i -d

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4Njg2OTEx_size_16_color_FFFFFF_t_70 1]  
**此处tar解压tar.gz不加参数z**

tar -xvf coreutils-8.22.tar.xz

### 查看源码 ###

**coreutils包括一整套基本的 shell 工具**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4Njg2OTEx_size_16_color_FFFFFF_t_70 2]  
**遍历下载所有rpm包**  
`可以用来模拟高负载`

#!/bin/bash
    
    rpmUrlPath=https://vault.centos.org/7.9.2009/os/Source/SPackages/
    rpmFile=/rssp/code/index.html
    if [ -f  $rpmFile ]
    then
    	rm -rf $rpmFile
    fi
    wget $rpmUrlPath
    rpmListFile=/rssp/code/rpm_list.txt
    if [ ! -f $rpmListFile ] 
    then
    	touch $rpmListFile
    fi
    
    cat index.html | grep -Eo ">.*.src.rpm"|awk 'BEGIN{FS=">"} {print $7}' > rpm_list.txt
    for line in `cat $rpmListFile`
    do
        wget -bc ${ rpmUrlPath}$line
    done

[20210219103304902.png]: /images/20221024/16f51680d9714235906101387a75f353.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4Njg2OTEx_size_16_color_FFFFFF_t_70]: /images/20221024/e355f8eab86e4befac212488dd036335.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4Njg2OTEx_size_16_color_FFFFFF_t_70 1]: /images/20221024/4d2bfc4ec237420a9248e853f836818a.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4Njg2OTEx_size_16_color_FFFFFF_t_70 2]: /images/20221024/eb12b117b25a461a9e200c7f8905b75e.png