用supermin制做centos 7 docker 基础镜像

用supermin制做centos 7 docker 基础镜像

2017年06月04日 16:07:32

阅读数：3164

supermin5 一个工具，运行命令man supermin能够查看关于这个工具的基本信息。

 

1. NAME

2. supermin - Tool for creating supermin appliances

3.  

4. SYNOPSIS

5. supermin [-o OUTPUTDIR] --names LIST OF PKGS ...

6. supermin [-o OUTPUTDIR] PKG FILE NAMES ...

7.  

8. DESCRIPTION

9. Supermin is a tool for building supermin appliances. These are tiny appliances (similar to virtual machines), usually

10. around 100KB in size, which get fully instantiated on-the-fly in a fraction of a second when you need to boot one of

11. them.

12.  

13. Originally "fe" in "febootstrap" stood for "Fedora", but this tool is now distro-independent and can build supermin

14. appliances for several popular Linux distros, and adding support for others is reasonably easy. For this reason,

15. starting with version 4, we have renamed the tool "supermin".

16.  

17. Note that this manual page documents supermin 4.x which is a complete rewrite and quite different from febootstrap 2.x.

18. If you are looking for the febootstrap 2.x tools, then this is not the right place.

运行命令supermin5 --help能够查看基本的使用方法

 

 

1. [root@centos7 ~]# supermin5 --help

2. supermin - tool for creating supermin appliances

3. Copyright (C) 2009-2014 Red Hat Inc.

4.  

5. Usage:

6.  

7. supermin --prepare LIST OF PACKAGES ...

8. supermin --build INPUT [INPUT ...]

9.  

10. For full instructions, read the supermin(1) man page.

11.  

12. Options:

13.  

14. --build Build a full appliance

15. --copy-kernel Copy kernel instead of symlinking

16. --dtb WILDCARD Find device tree matching wildcard

17. -f chroot|ext2 Set output format

18. --format -"-

19. --host-cpu ARCH Set host CPU architecture

20. --if-newer Only build if needed

21. --include-packagelist Add a file with the list of packages

22. --list-drivers Display list of drivers and exit

23. --lock LOCKFILE Use a lock file

24. --names Give an error for people needing supermin 4

25. -o OUTPUTDIR Set output directory

26. --packager-config CONFIGFILE Set packager config file

27. --prepare Prepare a supermin appliance

28. --size Set the size of the ext2 filesystem

29. --use-installed Use installed files instead of accessing network

30. -v Enable debugging messages

31. --verbose -"-

32. -V Display version and exit

33. --version -"-

34. -help Display this list of options

35. --help Display this list of options

若是找不到该命令，用 yum install supermin* 安装。

 

步骤-1

 

supermin5 -v --prepare bash coreutils -o supermin.d

 

步骤-2

supermin5 -v --build --format chroot supermin.d -o appliance.d

步骤-3

 

 

1. echo 7.2 > appliance.d/etc/yum/vars/releasever

2. tar --numeric-owner -cpf centos-7-2.tar -C appliance.d .

步骤-4导入tar文件到docker

 

 

cat centos-7-2.tar | docker import - oliver/centos:v7.2

 

制做镜像时想包含某个命令，但又不知道在哪一个包时，能够用yum whatprovides 来查找。

 

1. [root@centos7 images]# yum whatprovides */ifconfig

2. 已加载插件：fastestmirror

3. Loading mirror speeds from cached hostfile

4. * base: centos.ustc.edu.cn

5. * extras: mirrors.cn99.com

6. * updates: mirrors.cn99.com

7. net-tools-2.0-0.17.20131004git.el7.x86_64 : Basic networking tools

8. 源 ：base

9. 匹配来源：

10. 文件名 ：/sbin/ifconfig

11.  
12.  
13.  

14. net-tools-2.0-0.17.20131004git.el7.x86_64 : Basic networking tools

15. 源 ：installed

16. 匹配来源：

17. 文件名 ：/sbin/ifconfig

 

 

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