初始化华为云服务器ecs

        Welcome to Huawei Cloud Service
        
[root@proxy ~]# rm -rf /etc/yum.repos.d/*.repo
#下载华为云内部使用的yum源文件
[root@proxy ~]# curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.myhuaweicloud.com/repo/CentOS-Base-7.repo
[root@proxy ~]# yum clean all
[root@proxy ~]# yum makecache
#安装常用安装包
[root@proxy ~]# yum install -y net-tools lftp rsync psmisc vim-enhanced tree vsftpd  bash-completion createrepo lrzsz iproute
#停止不需要的服务，卸载不需要的安装包
[root@proxy ~]# systemctl stop postfix atd tuned
[root@proxy ~]# yum remove -y postfix at audit tuned kexec-tools firewalld-*
[root@proxy ~]# vim /etc/cloud/cloud.cfg
# manage_etc_hosts: localhost 注释掉这一行，此配置为Linux系统重启后/etc/hosts自动添加主机名解析，即自动生成hostname和本地回环地址的解析，用于在未配置内网DNS情况下的启动加速，如果该配置影响到业务可以取消该配置。https://support.huaweicloud.com/trouble-ecs/ecs_trouble_0320.html
#生成密钥
[root@proxy ~]# ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:SNim5/D9InP6lihT1oDT5wFGTWrRA/aRlSnOthkpFkY root@proxy
The key's randomart image is:
+---[RSA 2048]----+
|     oE=oo.o     |
|     +=+*.o      |
|    .=*=.+       |
|    o==.O        |
|    oooBS=       |
|     =o.=        |
|     oo...       |
|    o + =.       |
|     o.B...      |
+----[SHA256]-----+
#查看公网ip
[root@proxy ~]# curl ifconfig.me	
[root@proxy ~]# reboot