先登录Docker
PS C:\Users\LiXinlei\Desktop> docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username (lixinlei): lixinlei
Password:
Login Succeeded
拉取最新的CentOS镜像
PS C:\Users\LiXinlei\Desktop> docker pull centos
Using default tag: latest
latest: Pulling from library/centos
8ba884070f61: Downloading
latest: Pulling from library/centos
8ba884070f61: Pull complete
Digest: sha256:8d487d68857f5bc9595793279b33d082b03713341ddec91054382641d14db861
Status: Downloaded newer image for centos:latest
查看系统中的镜像
- 有新下载的镜像：centos latest 9f38484d220f 3 weeks ago 202MB
- 镜像id为：9f38484d220f
PS C:\Users\LiXinlei\Desktop> docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
jvm001 latest cebfdc78e25b 3 weeks ago 298MB
centos latest 9f38484d220f 3 weeks ago 202MB
hello-world latest fce289e99eb9 3 months ago 1.84kB
centos 6.8 e54faac158ff 6 months ago 195MB
docker4w/nsenter-dockerd latest cae870735e91 17 months ago 187kB
运行新下载的镜像
PS C:\Users\LiXinlei\Desktop> docker run -itd 9f38484d220f /bin/bash
8d5ad5ca35f9228a8d9c8dd227e455052b2b56c1677105ca8723da1cae87d01e
查看运行中的Docker容器
- CONTAINER ID ：8d5ad5ca35f9
PS C:\Users\LiXinlei\Desktop> docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
8d5ad5ca35f9 9f38484d220f "/bin/bash" 7 seconds ago Up 6 seconds nostalgic_archimedes
进入刚运行起来的容器
PS C:\Users\LiXinlei\Desktop> docker attach 8d5ad5ca35f9
[root@8d5ad5ca35f9 /]#
安装ifconfig
[root@8d5ad5ca35f9 /]# yum search ifconfig
Loaded plugins: fastestmirror, ovl
Determining fastest mirrors
* base: mirrors.nwsuaf.edu.cn
* extras: mirrors.nwsuaf.edu.cn
* updates: mirrors.163.com
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
(1/4): base/7/x86_64/group_gz | 166 kB 00:00:04
(2/4): extras/7/x86_64/primary_db | 187 kB 00:00:04
(3/4): base/7/x86_64/primary_db | 6.0 MB 00:00:04
(4/4): updates/7/x86_64/primary_db | 3.4 MB 00:00:05
===================================================================================== Matched: ifconfig =====================================================================================
net-tools.x86_64 : Basic networking tools
[root@8d5ad5ca35f9 /]# yum install net-tools.x86_64
Loaded plugins: fastestmirror, ovl
Loading mirror speeds from cached hostfile
* base: mirrors.nwsuaf.edu.cn
* extras: mirrors.nwsuaf.edu.cn
* updates: mirrors.163.com
Resolving Dependencies
--> Running transaction check
---> Package net-tools.x86_64 0:2.0-0.24.20131004git.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================================================================
Installing:
net-tools x86_64 2.0-0.24.20131004git.el7 base 306 k
Transaction Summary
=============================================================================================================================================================================================
Install 1 Package
Total download size: 306 k
Installed size: 918 k
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7/base/packages/net-tools-2.0-0.24.20131004git.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY ] 0.0 B/s | 184 kB --:--:-- ETA
Public key for net-tools-2.0-0.24.20131004git.el7.x86_64.rpm is not installed
net-tools-2.0-0.24.20131004git.el7.x86_64.rpm | 306 kB 00:00:00
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <[email protected]>"
Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
Package : centos-release-7-6.1810.2.el7.centos.x86_64 (@CentOS)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : net-tools-2.0-0.24.20131004git.el7.x86_64 1/1
Verifying : net-tools-2.0-0.24.20131004git.el7.x86_64 1/1
Installed:
net-tools.x86_64 0:2.0-0.24.20131004git.el7
Complete!
安装ssh
[root@8d5ad5ca35f9 /]# yum install -y openssh-server
Loaded plugins: fastestmirror, ovl
Loading mirror speeds from cached hostfile
* base: mirrors.nwsuaf.edu.cn
* extras: mirrors.nwsuaf.edu.cn
* updates: mirrors.163.com
Resolving Dependencies
--> Running transaction check
---> Package openssh-server.x86_64 0:7.4p1-16.el7 will be installed
--> Processing Dependency: openssh = 7.4p1-16.el7 for package: openssh-server-7.4p1-16.el7.x86_64
--> Processing Dependency: fipscheck-lib(x86-64) >= 1.3.0 for package: openssh-server-7.4p1-16.el7.x86_64
--> Processing Dependency: libwrap.so.0()(64bit) for package: openssh-server-7.4p1-16.el7.x86_64
--> Processing Dependency: libfipscheck.so.1()(64bit) for package: openssh-server-7.4p1-16.el7.x86_64
--> Running transaction check
---> Package fipscheck-lib.x86_64 0:1.4.1-6.el7 will be installed
--> Processing Dependency: /usr/bin/fipscheck for package: fipscheck-lib-1.4.1-6.el7.x86_64
---> Package openssh.x86_64 0:7.4p1-16.el7 will be installed
---> Package tcp_wrappers-libs.x86_64 0:7.6-77.el7 will be installed
--> Running transaction check
---> Package fipscheck.x86_64 0:1.4.1-6.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================================================================
Installing:
openssh-server x86_64 7.4p1-16.el7 base 458 k
Installing for dependencies:
fipscheck x86_64 1.4.1-6.el7 base 21 k
fipscheck-lib x86_64 1.4.1-6.el7 base 11 k
openssh x86_64 7.4p1-16.el7 base 510 k
tcp_wrappers-libs x86_64 7.6-77.el7 base 66 k
Transaction Summary
=============================================================================================================================================================================================
Install 1 Package (+4 Dependent packages)
Total download size: 1.0 M
Installed size: 3.0 M
Downloading packages:
(1/5): openssh-server-7.4p1-16.el7.x86_64.rpm | 458 kB 00:00:01
fipscheck-1.4.1-6.el7.x86_64.r FAILED 54% [====================================== ] 236 kB/s | 580 kB 00:00:02 ETA
http://mirrors.cqu.edu.cn/CentOS/7.6.1810/os/x86_64/Packages/fipscheck-1.4.1-6.el7.x86_64.rpm: [Errno 14] curl#52 - "Empty reply from server" ] 236 kB/s | 580 kB 00:00:02 ETA
Trying other mirror.
(2/5): fipscheck-1.4.1-6.el7.x86_64.rpm | 21 kB 00:00:00
(3/5): fipscheck-lib-1.4.1-6.el7.x86_64.rpm | 11 kB 00:00:04
(4/5): tcp_wrappers-libs-7.6-77.el7.x86_64.rpm | 66 kB 00:00:04
(5/5): openssh-7.4p1-16.el7.x86_64.rpm | 510 kB 00:00:12
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 86 kB/s | 1.0 MB 00:00:12
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : fipscheck-1.4.1-6.el7.x86_64 1/5
Installing : fipscheck-lib-1.4.1-6.el7.x86_64 2/5
Installing : openssh-7.4p1-16.el7.x86_64 3/5
Installing : tcp_wrappers-libs-7.6-77.el7.x86_64 4/5
Installing : openssh-server-7.4p1-16.el7.x86_64 5/5
Verifying : fipscheck-lib-1.4.1-6.el7.x86_64 1/5
Verifying : tcp_wrappers-libs-7.6-77.el7.x86_64 2/5
Verifying : fipscheck-1.4.1-6.el7.x86_64 3/5
Verifying : openssh-7.4p1-16.el7.x86_64 4/5
Verifying : openssh-server-7.4p1-16.el7.x86_64 5/5
Installed:
openssh-server.x86_64 0:7.4p1-16.el7
Dependency Installed:
fipscheck.x86_64 0:1.4.1-6.el7 fipscheck-lib.x86_64 0:1.4.1-6.el7 openssh.x86_64 0:7.4p1-16.el7 tcp_wrappers-libs.x86_64 0:7.6-77.el7
Complete!
生成几个秘钥
[root@8d5ad5ca35f9 /]# ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
Generating public/private rsa key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
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:
SHA256:cuH6k5OFEBv+fdM3EKwBJpY33mn1Tr+RcYoyOXHeTNw root@8d5ad5ca35f9
The key's randomart image is:
+---[RSA 2048]----+
| o.o. . |
| +.oo . + |
| . ++ o =.o. |
| +. o.=..o+E|
| .oSo.= *+.=|
| +o B = ==o|
| . + = . .+|
| .= . |
| .o |
+----[SHA256]-----+
[root@8d5ad5ca35f9 /]# ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key
Generating public/private ecdsa key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /etc/ssh/ssh_host_ecdsa_key.
Your public key has been saved in /etc/ssh/ssh_host_ecdsa_key.pub.
The key fingerprint is:
SHA256:UnPHgWzwHMKGg3j/6eZIU7zwXV9gObbadYJE2Q7WucE root@8d5ad5ca35f9
The key's randomart image is:
+---[ECDSA 256]---+
| . . ooo..o= . |
| . o o o++++.E. |
| . . oo.+.+o*o |
| .o o o +o+ |
| o.S. o o +|
| =oo . + +.|
| o.o . . o |
| . oo |
| .o. |
+----[SHA256]-----+
[root@8d5ad5ca35f9 /]# ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key
Generating public/private ed25519 key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /etc/ssh/ssh_host_ed25519_key.
Your public key has been saved in /etc/ssh/ssh_host_ed25519_key.pub.
The key fingerprint is:
SHA256:VbBEemIKTDScB6ld4MzpEYafkNmfXmlH71lciQFofp0 root@8d5ad5ca35f9
The key's randomart image is:
+--[ED25519 256]--+
| BO= .=oo.o .|
| =B=+o =.o . ..|
| =O= .*o+..... |
| ..+ooo+=...Eo |
| ...oS... o |
| . o |
| |
| |
| |
+----[SHA256]-----+
启动ssh
[root@8d5ad5ca35f9 /]# /usr/sbin/sshd
查看ssh是否启动成功
- 22 端口被监听了；
[root@8d5ad5ca35f9 /]# netstat -antp
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 104/sshd
tcp6 0 0 :::22
设置容器的root密码
[root@8d5ad5ca35f9 /]# echo "root:111111"|chpasswd
退出容器
[root@8d5ad5ca35f9 /]# exit
exit
把容器8d5ad5ca35f9提交成一个新的镜像centos7.6.1810
PS C:\Users\LiXinlei\Desktop> docker commit 8d5ad5ca35f9 centos7.6.1810
sha256:bbcca69cc31f08adca70a8189eb39803eb75d895a0d33a6a12c30ba637443ff2
查看系统中的镜像
- centos7.6.1810 有了；
PS C:\Users\LiXinlei\Desktop> docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos7.6.1810 latest bbcca69cc31f 7 seconds ago 288MB
jvm001 latest cebfdc78e25b 3 weeks ago 298MB
centos latest 9f38484d220f 3 weeks ago 202MB
hello-world latest fce289e99eb9 3 months ago 1.84kB
centos 6.8 e54faac158ff 6 months ago 195MB
docker4w/nsenter-dockerd latest cae870735e91 17 months ago 187kB
把镜像centos7.6.1810 run起来
PS C:\Users\LiXinlei\Desktop> docker run -itd --name centos7.6.1810 -h centos7.6.1810 -p 9010:22 centos7.6.1810 /usr/sbin/sshd -D
查看正在运行的容器
- 容器 centos7.6.1810 有了；
PS C:\Users\LiXinlei\Desktop> docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1ee39d3f084e centos7.6.1810 "/usr/sbin/sshd -D" 6 minutes ago Up 6 minutes 0.0.0.0:9010->22/tcp centos7.6.1810
注：这个容器就可以从宿主机ssh连上了，作为安装 rabbitmq 的 Linux 环境；