dockerfile构建centos镜像
玩docker？别人告诉我玩docker就是玩dockerfile，于是好好玩玩dockerfile吧，docker又有一段时间
没有使用了，写在日志上，以后可以回来复习看看。
编辑Dockerfile
# mkdir centos6
# cd centos6/
# ls
# touch Dockerfile
# vim Dockerfile
# This is a comment
FROM centos:centos6
MAINTAINER yanconggod <516249940@qq.com>
RUN yum install -y openssh-server sudovim
RUN sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config
RUN useradd yancongadmin
RUN echo "yancongadmin:123456" | chpasswd
RUN echo "yancongadmin ALL=(ALL) ALL" >> /etc/sudoers
RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
#暴露端口
RUN mkdir /var/run/sshd
EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]
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# sudo docker build -t centos6-ssh .
Sending build context to Docker daemon 2.048 kB
Step 1 : FROM centos:centos6
Trying to pull repository docker.io/library/centos ...
centos6: Pulling from docker.io/library/centos
32c4f4fef1c6: Pull complete
Digest: sha256:1092df198d3da4faccc0660941b763ce5adf133b0ec71701b760d6f173c1f47b
Status: Downloaded newer image for docker.io/centos:centos6
---> 8315978ceaaa
Step 2 : MAINTAINER yanconggod <516249940@qq.com>
---> Running in d708ef81bea9
---> 649a7b45b358
Removing intermediate container d708ef81bea9
Step 3 : RUN yum install -y openssh-server sudovim
---> Running in a7ae7329d040
Loaded plugins: fastestmirror, ovl
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package openssh-server.x86_64 0:5.3p1-118.1.el6_8 will be installed
--> Processing Dependency: openssh = 5.3p1-118.1.el6_8 for package: openssh-server-5.3p1-118.1.el6_8.x86_64
--> Processing Dependency: /sbin/service for package: openssh-server-5.3p1-118.1.el6_8.x86_64
--> Processing Dependency: libwrap.so.0()(64bit) for package: openssh-server-5.3p1-118.1.el6_8.x86_64
--> Processing Dependency: libfipscheck.so.1()(64bit) for package: openssh-server-5.3p1-118.1.el6_8.x86_64
---> Package sudo.x86_64 0:1.8.6p3-24.el6 will be installed
---> Package vim-enhanced.x86_64 2:7.4.629-5.el6 will be installed
--> Processing Dependency: vim-common = 2:7.4.629-5.el6 for package: 2:vim-enhanced-7.4.629-5.el6.x86_64
--> Processing Dependency: perl(:MODULE_COMPAT_5.10.1) for package: 2:vim-enhanced-7.4.629-5.el6.x86_64
--> Processing Dependency: libperl.so()(64bit) for package: 2:vim-enhanced-7.4.629-5.el6.x86_64
--> Processing Dependency: libgpm.so.2()(64bit) for package: 2:vim-enhanced-7.4.629-5.el6.x86_64
--> Running transaction check
---> Package fipscheck-lib.x86_64 0:1.2.0-7.el6 will be installed
--> Processing Dependency: /usr/bin/fipscheck for package: fipscheck-lib-1.2.0-7.el6.x86_64
---> Package gpm-libs.x86_64 0:1.20.6-12.el6 will be installed
---> Package initscripts.x86_64 0:9.03.53-1.el6.centos.1 will be installed
--> Processing Dependency: util-linux-ng >= 2.16 for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: udev >= 125-1 for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: sysvinit-tools >= 2.87-6 for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: plymouth for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: /sbin/pidof for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: /sbin/ip for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: /sbin/blkid for package: initscripts-9.03.53-1.el6.centos.1.x86_64
--> Processing Dependency: /sbin/arping for package: initscripts-9.03.53-1.el6.centos.1.x86_64
---> Package openssh.x86_64 0:5.3p1-118.1.el6_8 will be installed
---> Package perl.x86_64 4:5.10.1-141.el6_7.1 will be installed
--> Processing Dependency: perl(version) for package: 4:perl-5.10.1-141.el6_7.1.x86_64
--> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.10.1-141.el6_7.1.x86_64
--> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.10.1-141.el6_7.1.x86_64
---> Package perl-libs.x86_64 4:5.10.1-141.el6_7.1 will be installed
---> Package tcp_wrappers-libs.x86_64 0:7.6-58.el6 will be installed
---> Package vim-common.x86_64 2:7.4.629-5.el6 will be installed
--> Processing Dependency: vim-filesystem for package: 2:vim-common-7.4.629-5.el6.x86_64
--> Running transaction check
---> Package fipscheck.x86_64 0:1.2.0-7.el6 will be installed
---> Package iproute.x86_64 0:2.6.32-54.el6 will be installed
--> Processing Dependency: iptables >= 1.4.5 for package: iproute-2.6.32-54.el6.x86_64
--> Processing Dependency: libxtables.so.4()(64bit) for package: iproute-2.6.32-54.el6.x86_64
---> Package iputils.x86_64 0:20071127-21.el6 will be installed
---> Package perl-Module-Pluggable.x86_64 1:3.90-141.el6_7.1 will be installed
---> Package perl-Pod-Simple.x86_64 1:3.13-141.el6_7.1 will be installed
--> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.13-141.el6_7.1.x86_64
---> Package perl-version.x86_64 3:0.77-141.el6_7.1 will be installed
---> Package plymouth.x86_64 0:0.8.3-27.el6.centos.1 will be installed
--> Processing Dependency: system-logos for package: plymouth-0.8.3-27.el6.centos.1.x86_64
--> Processing Dependency: libdrm_radeon.so.1()(64bit) for package: plymouth-0.8.3-27.el6.centos.1.x86_64
--> Processing Dependency: libdrm_nouveau.so.1()(64bit) for package: plymouth-0.8.3-27.el6.centos.1.x86_64
--> Processing Dependency: libdrm_intel.so.1()(64bit) for package: plymouth-0.8.3-27.el6.centos.1.x86_64
--> Processing Dependency: libdrm.so.2()(64bit) for package: plymouth-0.8.3-27.el6.centos.1.x86_64
---> Package sysvinit-tools.x86_64 0:2.87-6.dsf.el6 will be installed
---> Package udev.x86_64 0:147-2.73.el6_8.2 will be installed
--> Processing Dependency: hwdata for package: udev-147-2.73.el6_8.2.x86_64
---> Package util-linux-ng.x86_64 0:2.17.2-12.24.el6_8.1 will be installed
--> Processing Dependency: libuuid = 2.17.2-12.24.el6_8.1 for package: util-linux-ng-2.17.2-12.24.el6_8.1.x86_64
--> Processing Dependency: libblkid = 2.17.2-12.24.el6_8.1 for package: util-linux-ng-2.17.2-12.24.el6_8.1.x86_64
--> Processing Dependency: kernel >= 2.6.32-642 for package: util-linux-ng-2.17.2-12.24.el6_8.1.x86_64
---> Package vim-filesystem.x86_64 2:7.4.629-5.el6 will be installed
--> Running transaction check
---> Package hwdata.noarch 0:0.233-16.1.el6 will be installed
---> Package iptables.x86_64 0:1.4.7-16.el6 will be installed
--> Processing Dependency: policycoreutils for package: iptables-1.4.7-16.el6.x86_64
---> Package kernel.x86_64 0:2.6.32-642.11.1.el6 will be installed
--> Processing Dependency: kernel-firmware >= 2.6.32-642.11.1.el6 for package: kernel-2.6.32-642.11.1.el6.x86_64
--> Processing Dependency: grubby >= 7.0.4-1 for package: kernel-2.6.32-642.11.1.el6.x86_64
--> Processing Dependency: dracut-kernel >= 004-408.el6 for package: kernel-2.6.32-642.11.1.el6.x86_64
--> Processing Dependency: /sbin/new-kernel-pkg for package: kernel-2.6.32-642.11.1.el6.x86_64
--> Processing Dependency: /sbin/new-kernel-pkg for package: kernel-2.6.32-642.11.1.el6.x86_64
---> Package libblkid.x86_64 0:2.17.2-12.24.el6 will be updated
---> Package libblkid.x86_64 0:2.17.2-12.24.el6_8.1 will be an update
---> Package libdrm.x86_64 0:2.4.65-2.el6 will be installed
--> Processing Dependency: libpciaccess.so.0()(64bit) for package: libdrm-2.4.65-2.el6.x86_64
---> Package libuuid.x86_64 0:2.17.2-12.24.el6 will be updated
---> Package libuuid.x86_64 0:2.17.2-12.24.el6_8.1 will be an update
---> Package perl-Pod-Escapes.x86_64 1:1.04-141.el6_7.1 will be installed
---> Package redhat-logos.noarch 0:60.0.14-12.el6.centos will be installed
--> Running transaction check
---> Package dracut-kernel.noarch 0:004-409.el6_8.2 will be installed
--> Processing Dependency: dracut = 004-409.el6_8.2 for package: dracut-kernel-004-409.el6_8.2.noarch
---> Package grubby.x86_64 0:7.0.15-7.el6 will be installed
---> Package kernel-firmware.noarch 0:2.6.32-642.11.1.el6 will be installed
---> Package libpciaccess.x86_64 0:0.13.4-1.el6 will be installed
---> Package policycoreutils.x86_64 0:2.0.83-30.1.el6_8 will be installed
--> Processing Dependency: libdbus-glib-1.so.2()(64bit) for package: policycoreutils-2.0.83-30.1.el6_8.x86_64
--> Running transaction check
---> Package dbus-glib.x86_64 0:0.86-6.el6 will be installed
---> Package dracut.noarch 0:004-409.el6_8.2 will be installed
--> Processing Dependency: kbd for package: dracut-004-409.el6_8.2.noarch
--> Running transaction check
---> Package kbd.x86_64 0:1.15-11.el6 will be installed
--> Processing Dependency: kbd-misc = 1.15-11.el6 for package: kbd-1.15-11.el6.x86_64
--> Running transaction check
---> Package kbd-misc.noarch 0:1.15-11.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version RepositorySize
================================================================================
Installing:
openssh-server x86_64 5.3p1-118.1.el6_8 updates 328 k
sudo x86_64 1.8.6p3-24.el6 base 710 k
vim-enhanced x86_64 2:7.4.629-5.el6 base 1.0 M
Installing for dependencies:
dbus-glib x86_64 0.86-6.el6 base 170 k
dracut noarch 004-409.el6_8.2 updates 127 k
dracut-kernel noarch 004-409.el6_8.2 updates 28 k
fipscheck x86_64 1.2.0-7.el6 base 14 k
fipscheck-lib x86_64 1.2.0-7.el6 base 8.3 k
gpm-libs x86_64 1.20.6-12.el6 base 28 k
grubby x86_64 7.0.15-7.el6 base 43 k
hwdata noarch 0.233-16.1.el6 base 1.3 M
initscripts x86_64 9.03.53-1.el6.centos.1 updates 947 k
iproute x86_64 2.6.32-54.el6 base 389 k
iptables x86_64 1.4.7-16.el6 base 254 k
iputils x86_64 20071127-21.el6 base 120 k
kbd x86_64 1.15-11.el6 base 264 k
kbd-misc noarch 1.15-11.el6 base 923 k
kernel x86_64 2.6.32-642.11.1.el6 updates 32 M
kernel-firmware noarch 2.6.32-642.11.1.el6 updates 28 M
libdrm x86_64 2.4.65-2.el6 base 136 k
libpciaccess x86_64 0.13.4-1.el6 base 24 k
openssh x86_64 5.3p1-118.1.el6_8 updates 276 k
perl x86_64 4:5.10.1-141.el6_7.1 base 10 M
perl-Module-Pluggable x86_64 1:3.90-141.el6_7.1 base 40 k
perl-Pod-Escapes x86_64 1:1.04-141.el6_7.1 base 33 k
perl-Pod-Simple x86_64 1:3.13-141.el6_7.1 base 213 k
perl-libs x86_64 4:5.10.1-141.el6_7.1 base 579 k
perl-version x86_64 3:0.77-141.el6_7.1 base 52 k
plymouth x86_64 0.8.3-27.el6.centos.1 base 89 k
policycoreutils x86_64 2.0.83-30.1.el6_8 updates 663 k
redhat-logos noarch 60.0.14-12.el6.centos base 15 M
sysvinit-tools x86_64 2.87-6.dsf.el6 base 60 k
tcp_wrappers-libs x86_64 7.6-58.el6 base 62 k
udev x86_64 147-2.73.el6_8.2 updates 358 k
util-linux-ng x86_64 2.17.2-12.24.el6_8.1 updates 1.6 M
vim-common x86_64 2:7.4.629-5.el6 base 6.7 M
vim-filesystem x86_64 2:7.4.629-5.el6 base 15 k
Updating for dependencies:
libblkid x86_64 2.17.2-12.24.el6_8.1 updates 118 k
libuuid x86_64 2.17.2-12.24.el6_8.1 updates 71 k
Transaction Summary
================================================================================
Install 37 Package(s)
Upgrade 2 Package(s)
Total download size: 102 M
Downloading Packages:
http://mirror.lzu.edu.cn/centos/6.8/updates/x86_64/Packages/kernel-2.6.32-642.11.1.el6.x86_64.rpm: PYCURL ERROR 18 - "transfer closed with 32462217 bytes remaining to read"
Trying other mirror.
http://mirrors.zju.edu.cn/centos/6.8/updates/x86_64/Packages/kernel-2.6.32-642.11.1.el6.x86_64.rpm: Package does not match intended download. Suggestion: run yum --enablerepo=updates clean metadata
Trying other mirror.
--------------------------------------------------------------------------------
Total 1.3 MB/s | 102 MB 01:20
warning: rpmts_HdrFromFdno: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
Importing GPG key 0xC105B9DE:
Userid : CentOS-6 Key (CentOS 6 Official Signing Key) <centos-6-key@centos.org>
Package: centos-release-6-8.el6.centos.12.3.x86_64 (@CentOS/6.8)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : hwdata-0.233-16.1.el6.noarch 1/41
Installing : sysvinit-tools-2.87-6.dsf.el6.x86_64 2/41
Updating : libuuid-2.17.2-12.24.el6_8.1.x86_64 3/41
Updating : libblkid-2.17.2-12.24.el6_8.1.x86_64 4/41
Installing : grubby-7.0.15-7.el6.x86_64 5/41
Installing : libpciaccess-0.13.4-1.el6.x86_64 6/41
Installing : 1:perl-Pod-Escapes-1.04-141.el6_7.1.x86_64 7/41
Installing : 1:perl-Pod-Simple-3.13-141.el6_7.1.x86_64 8/41
Installing : 3:perl-version-0.77-141.el6_7.1.x86_64 9/41
Installing : 4:perl-libs-5.10.1-141.el6_7.1.x86_64 10/41
Installing : 1:perl-Module-Pluggable-3.90-141.el6_7.1.x86_64 11/41
Installing : 4:perl-5.10.1-141.el6_7.1.x86_64 12/41
Installing : fipscheck-lib-1.2.0-7.el6.x86_64 13/41
Installing : fipscheck-1.2.0-7.el6.x86_64 14/41
Installing : gpm-libs-1.20.6-12.el6.x86_64 15/41
Installing : tcp_wrappers-libs-7.6-58.el6.x86_64 16/41
Installing : redhat-logos-60.0.14-12.el6.centos.noarch 17/41
Installing : dbus-glib-0.86-6.el6.x86_64 18/41
Installing : kbd-misc-1.15-11.el6.noarch 19/41
Installing : 2:vim-filesystem-7.4.629-5.el6.x86_64 20/41
Installing : 2:vim-common-7.4.629-5.el6.x86_64 21/41
Installing : kernel-firmware-2.6.32-642.11.1.el6.noarch 22/41
Installing : policycoreutils-2.0.83-30.1.el6_8.x86_64 23/41
Installing : iptables-1.4.7-16.el6.x86_64 24/41
Installing : iproute-2.6.32-54.el6.x86_64 25/41
Installing : libdrm-2.4.65-2.el6.x86_64 26/41
Installing : kbd-1.15-11.el6.x86_64 27/41
Installing : iputils-20071127-21.el6.x86_64 28/41
Installing : plymouth-0.8.3-27.el6.centos.1.x86_64 29/41
Installing : dracut-004-409.el6_8.2.noarch 30/41
Installing : dracut-kernel-004-409.el6_8.2.noarch 31/41
Installing : initscripts-9.03.53-1.el6.centos.1.x86_64 32/41
Installing : kernel-2.6.32-642.11.1.el6.x86_64 33/41
Installing : util-linux-ng-2.17.2-12.24.el6_8.1.x86_64 34/41
install-info: No such file or directory for /usr/share/info/ipc.info
Installing : udev-147-2.73.el6_8.2.x86_64 35/41
Installing : openssh-5.3p1-118.1.el6_8.x86_64 36/41
Installing : openssh-server-5.3p1-118.1.el6_8.x86_64 37/41
Installing : 2:vim-enhanced-7.4.629-5.el6.x86_64 38/41
Installing : sudo-1.8.6p3-24.el6.x86_64 39/41
Cleanup : libblkid-2.17.2-12.24.el6.x86_64 40/41
Cleanup : libuuid-2.17.2-12.24.el6.x86_64 41/41
Verifying: kernel-firmware-2.6.32-642.11.1.el6.noarch 1/41
Verifying: grubby-7.0.15-7.el6.x86_64 2/41
Verifying: fipscheck-1.2.0-7.el6.x86_64 3/41
Verifying: udev-147-2.73.el6_8.2.x86_64 4/41
Verifying: iputils-20071127-21.el6.x86_64 5/41
Verifying: libpciaccess-0.13.4-1.el6.x86_64 6/41
Verifying: 2:vim-filesystem-7.4.629-5.el6.x86_64 7/41
Verifying: 1:perl-Module-Pluggable-3.90-141.el6_7.1.x86_64 8/41
Verifying: libblkid-2.17.2-12.24.el6_8.1.x86_64 9/41
Verifying: libuuid-2.17.2-12.24.el6_8.1.x86_64 10/41
Verifying: 4:perl-5.10.1-141.el6_7.1.x86_64 11/41
Verifying: iptables-1.4.7-16.el6.x86_64 12/41
Verifying: kernel-2.6.32-642.11.1.el6.x86_64 13/41
Verifying: openssh-5.3p1-118.1.el6_8.x86_64 14/41
Verifying: sysvinit-tools-2.87-6.dsf.el6.x86_64 15/41
Verifying: iproute-2.6.32-54.el6.x86_64 16/41
Verifying: dracut-kernel-004-409.el6_8.2.noarch 17/41
Verifying: 2:vim-enhanced-7.4.629-5.el6.x86_64 18/41
Verifying: kbd-misc-1.15-11.el6.noarch 19/41
Verifying: 2:vim-common-7.4.629-5.el6.x86_64 20/41
Verifying: dbus-glib-0.86-6.el6.x86_64 21/41
Verifying: fipscheck-lib-1.2.0-7.el6.x86_64 22/41
Verifying: sudo-1.8.6p3-24.el6.x86_64 23/41
Verifying: 1:perl-Pod-Simple-3.13-141.el6_7.1.x86_64 24/41
Verifying: 1:perl-Pod-Escapes-1.04-141.el6_7.1.x86_64 25/41
Verifying: openssh-server-5.3p1-118.1.el6_8.x86_64 26/41
Verifying: redhat-logos-60.0.14-12.el6.centos.noarch 27/41
Verifying: 3:perl-version-0.77-141.el6_7.1.x86_64 28/41
Verifying: 4:perl-libs-5.10.1-141.el6_7.1.x86_64 29/41
Verifying: kbd-1.15-11.el6.x86_64 30/41
Verifying: util-linux-ng-2.17.2-12.24.el6_8.1.x86_64 31/41
Verifying: tcp_wrappers-libs-7.6-58.el6.x86_64 32/41
Verifying: plymouth-0.8.3-27.el6.centos.1.x86_64 33/41
Verifying: gpm-libs-1.20.6-12.el6.x86_64 34/41
Verifying: libdrm-2.4.65-2.el6.x86_64 35/41
Verifying: policycoreutils-2.0.83-30.1.el6_8.x86_64 36/41
Verifying: initscripts-9.03.53-1.el6.centos.1.x86_64 37/41
Verifying: dracut-004-409.el6_8.2.noarch 38/41
Verifying: hwdata-0.233-16.1.el6.noarch 39/41
Verifying: libuuid-2.17.2-12.24.el6.x86_64 40/41
Verifying: libblkid-2.17.2-12.24.el6.x86_64 41/41
Installed:
openssh-server.x86_64 0:5.3p1-118.1.el6_8 sudo.x86_64 0:1.8.6p3-24.el6
vim-enhanced.x86_64 2:7.4.629-5.el6
Dependency Installed:
dbus-glib.x86_64 0:0.86-6.el6
dracut.noarch 0:004-409.el6_8.2
dracut-kernel.noarch 0:004-409.el6_8.2
fipscheck.x86_64 0:1.2.0-7.el6
fipscheck-lib.x86_64 0:1.2.0-7.el6
gpm-libs.x86_64 0:1.20.6-12.el6
grubby.x86_64 0:7.0.15-7.el6
hwdata.noarch 0:0.233-16.1.el6
initscripts.x86_64 0:9.03.53-1.el6.centos.1
iproute.x86_64 0:2.6.32-54.el6
iptables.x86_64 0:1.4.7-16.el6
iputils.x86_64 0:20071127-21.el6
kbd.x86_64 0:1.15-11.el6
kbd-misc.noarch 0:1.15-11.el6
kernel.x86_64 0:2.6.32-642.11.1.el6
kernel-firmware.noarch 0:2.6.32-642.11.1.el6
libdrm.x86_64 0:2.4.65-2.el6
libpciaccess.x86_64 0:0.13.4-1.el6
openssh.x86_64 0:5.3p1-118.1.el6_8
perl.x86_64 4:5.10.1-141.el6_7.1
perl-Module-Pluggable.x86_64 1:3.90-141.el6_7.1
perl-Pod-Escapes.x86_64 1:1.04-141.el6_7.1
perl-Pod-Simple.x86_64 1:3.13-141.el6_7.1
perl-libs.x86_64 4:5.10.1-141.el6_7.1
perl-version.x86_64 3:0.77-141.el6_7.1
plymouth.x86_64 0:0.8.3-27.el6.centos.1
policycoreutils.x86_64 0:2.0.83-30.1.el6_8
redhat-logos.noarch 0:60.0.14-12.el6.centos
sysvinit-tools.x86_64 0:2.87-6.dsf.el6
tcp_wrappers-libs.x86_64 0:7.6-58.el6
udev.x86_64 0:147-2.73.el6_8.2
util-linux-ng.x86_64 0:2.17.2-12.24.el6_8.1
vim-common.x86_64 2:7.4.629-5.el6
vim-filesystem.x86_64 2:7.4.629-5.el6
Dependency Updated:
libblkid.x86_64 0:2.17.2-12.24.el6_8.1libuuid.x86_64 0:2.17.2-12.24.el6_8.1
Complete!
---> eedc42d0060d
Removing intermediate container a7ae7329d040
Step 4 : RUN sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config
---> Running in 350bb903851d
---> 915ad23febbf
Removing intermediate container 350bb903851d
Step 5 : RUN useradd yancongadmin
---> Running in e2cf736e0ebe
---> 2fd832203bb9
Removing intermediate container e2cf736e0ebe
Step 6 : RUN echo "yancongadmin:123456" | chpasswd
---> Running in ee32ff55c577
---> 4277f13e5403
Removing intermediate container ee32ff55c577
Step 7 : RUN echo "yancongadmin ALL=(ALL) ALL" >> /etc/sudoers
---> Running in ec98c90c7349
---> 430681d7c78c
Removing intermediate container ec98c90c7349
Step 8 : RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
---> Running in bec80e8874aa
Enter passphrase (empty for no passphrase): Enter same passphrase again: Generating public/private dsa key pair.
Your identification has been saved in /etc/ssh/ssh_host_dsa_key.
Your public key has been saved in /etc/ssh/ssh_host_dsa_key.pub.
The key fingerprint is:
5c:df:81:fa:4e:d0:88:17:5b:54:b8:c9:f5:f6:b6:2e root@9aac06993d69
The key's randomart image is:
+--[ DSA 1024]----+
| .o.|
| ....|
| o.o+.. |
| . o O+. .o|
| S * o ...|
| . o o|
| .. o..|
| o E . |
| .. . o. |
+-----------------+
---> 819b6a95660f
Removing intermediate container bec80e8874aa
Step 9 : RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
---> Running in c8ee36a6e147
Enter passphrase (empty for no passphrase): Enter same passphrase again: Generating public/private rsa key pair.
Your identification has been saved in /etc/ssh/ssh_host_rsa_key.
Your public key has been saved in /etc/ssh/ssh_host_rsa_key.pub.
The key fingerprint is:
ee:c5:d7:52:25:5f:24:0f:99:2a:e3:e6:e6:76:1e:b5 root@9aac06993d69
The key's randomart image is:
+--[ RSA 2048]----+
| oo.|
| o= |
| .. .. +|
| o .+.|
| S. oo .|
| . .o+ . |
| .oo + E..|
| . .+..o |
| .+.o. |
+-----------------+
---> dca75146eecc
Removing intermediate container c8ee36a6e147
Step 10 : RUN mkdir /var/run/sshd
---> Running in ef3191191e35
---> d639dafc5ac5
Removing intermediate container ef3191191e35
Step 11 : EXPOSE 22
---> Running in 55bc0ffaf9d6
---> 52b3d14fc2a0
Removing intermediate container 55bc0ffaf9d6
Step 12 : CMD /usr/sbin/sshd -D
---> Running in c92d9e9d350e
---> f6bb69ea7020
Removing intermediate container c92d9e9d350e
Successfully built f6bb69ea7020
#
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生成了一个docker镜像文件名为 f6bb69ea7020
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos6-ssh latest f6bb69ea7020 39 minutes ago 556.4 MB
docker.io/jdeathe/centos-ssh latest f6aa254214ab 31 hours ago 214.7 MB
docker.io/centos centos6 8315978ceaaa 4 weeks ago 194.6 MB
#
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创建第一个容器，我们把它叫my-first-docker
# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
# docker run -d -P--name=my-first-docker centos6-ssh
f8aa111d00667d2d9f1770873f4b9638ec106c178cd7c67bac35a59c68309e6e
# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f8aa111d0066 centos6-ssh "/usr/sbin/sshd -D" 28 seconds ago Up 26 seconds 0.0.0.0:32768->22/tcp my-first-docker
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查看docker的ip地址
# docker inspect my-first-docker |grep IPAddress
"SecondaryIPAddresses": null,
"IPAddress": "172.17.0.2",
"IPAddress": "172.17.0.2",
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登录my-first-docker容器
# ssh yancongadmin@172.17.0.2
The authenticity of host '172.17.0.2 (172.17.0.2)' can't be established.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '172.17.0.2' (RSA) to the list of known hosts.
yancongadmin@172.17.0.2's password:
$ who
yancongadmin pts/0 2016-12-06 07:17 (172.17.0.1)
另外我的电脑想登录my-first-docker容器，该怎么办呢，使用暴露的端口进行访问
我创建过了端口映射，就使用宿主的端口即可
#docker port my-first-docker 22
0.0.0.0:32768
使用另外一台机器进行登录my-first-docker容器
# ssh yancongadmin@10.0.0.177 -p 32768
The authenticity of host ':32768 (:32768)' can't be established.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added ':32768' (RSA) to the list of known hosts.
yancongadmin@10.0.0.177's password:
Last login: Tue Dec6 07:17:46 2016 from 172.17.0.1
$ who
yancongadmin pts/0 2016-12-06 07:23 (10.0.0.199)
顺便查看一下我的vim是否安装好了
$ rpm -qa |grep vim
vim-minimal-7.4.629-5.el6.x86_64
vim-filesystem-7.4.629-5.el6.x86_64
vim-enhanced-7.4.629-5.el6.x86_64
vim-common-7.4.629-5.el6.x86_64
有了这个简单的Dockerfile下次你的同事就可以直接使用了！！
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