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容器对比虚拟机,以及容器的特点:轻量级、可移植、资源占用少
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1、配置SSH
sudo passwd root sudo gedit /etc/ssh/ssh_config # PermitRootLogin yes systemctl restart sshd sudo apt-get update sudo apt-get install ssh sudo gedit /etc/ssh/sshd_config # PermitRootLogin yes systemctl restart sshd ip a
Microsoft Windows [版本 10.0.19041.746]
(c) 2020 Microsoft Corporation. 保留所有权利。
C:\Users\yerenyun>ssh root@192.168.123.133
The authenticity of host '192.168.123.133 (192.168.123.133)' can't be established.
ECDSA key fingerprint is SHA256:KaqhMqZ7O0hPgTg7eR9aM5nc1gichGRvge/tF7VlGqM.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.123.133' (ECDSA) to the list of known hosts.
root@192.168.123.133's password:
Welcome to Ubuntu 20.04.1 LTS (GNU/Linux 5.8.0-38-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
345 updates can be installed immediately.
140 of these updates are security updates.
To see these additional updates run: apt list --upgradable
Your Hardware Enablement Stack (HWE) is supported until April 2025.
The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.
root@ubuntu:~#
# 关闭防火墙
ufw disable
root@ubuntu:~# ufw disable Firewall stopped and disabled on system startup root@ubuntu:~#
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https://github.com/solochen84/SpringBootDemo
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FROM
ADD
COPY
RUN
WORKDIR
ENV
CMD
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containers容器
images镜像
registry仓库
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发布网址:
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k8s靠主机名识别节点,主机名不能一致
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master
node
主从架构
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ssh root@192.168.0.123
ssh User@host-ip
ufw disable
关闭防火墙
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# SSH
```sh
apt-get update
apt-get install ssh -y
vim /etc/ssh/sshd_config
```
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K8s 靠主机名识别节点
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技术储备
1、了解java、maven、spring boot
2、了解git
3、熟悉linux、了解shell
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docker-->k8s-->持续集成-->jenkis-->实例综合运用
一个spring boot项目,使用Jenkins自动化编译、打包、发布
2、项目地址:https://github.com/solochen84/SpringBootDemo
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k8s是基于容器技术的分布式架构领先方案。它是google严格保密十几年的秘密武器Brog的一个开源版本;是Google开源的一个容器编排引擎,支持自动化部署、大规模可伸缩、应用容器化管理。
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