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  • CentOS7虚拟机优化

    CentOS7:

    1. 将网卡配置重点关注的地方为:

      [root@master ~]# cat /etc/sysconfig/network-scripts/ifcfg-ens33 
      BOOTPROTO=static
      # UUID=ca1110e0-295f-4ca2-80ef-fc6b0ee6d4cd
      ONBOOT=yes
      IPADDR=192.168.225.151
      NETMASK=255.255.255.0
      GATEWAY=192.168.225.2
      DNS1=223.5.5.5
      DNS2=223.6.6.6
      
    2. yum源配置,阿里云的yum源(Base和epel)

      mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
      
      # Base源
      CentOS 6
      wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
      或者
      curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
      
      
      CentOS 7
      wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
      或者
      curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
      
      
      # epel源(如有配置其他epel源,则需要备份)
      mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backup
      
      mv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup
      
      
      wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
      
      
      
      # 最后
      yum clean all	# 清除缓存
      yum makecache	# 生成缓存
      yum repolist  # 验证是否成功
      
    3. 下载常用的软件:

      yum -y install bash-completion lrzsz sysstat net-tools tree wget vim -y
      
    4. 修改selinux和firewalld服务

      # selinux的位置: /etc/selinux/config
      sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config
      setenforce 0	# 临时关闭
      getenforce 		# 查看状态
      
      
      # 关闭防火墙
      systemctl  status firewalld
      systemctl  stop firewalld
      systemctl  disable firewalld
      systemctl  status firewalld
      
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  • 原文地址:https://www.cnblogs.com/plf-Jack/p/11254308.html
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