一 基础环境 安装源ISO CentOS-7-x86_64-DVD-2003

最小化安装系统后先更新

[root@Server ~]# yum update -y

[root@Server ~]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core)

[root@Server ~]# uname -r 3.10.0-957.21.3.el7.x86_64

关闭防火墙 systemctl stop firewalld.service

关闭防火墙开机启动 systemctl disable firewalld.service

关闭SELINUX (重启生效) sed -i 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/selinux/config

安装wget yum install wget -y

备份原系统源 mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

下载阿里源 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

生成cache yum makecache

yum install 安装的路径如何查? 例: 如已安装wget

1.先查找到wget安装包 rpm -qa | grep wget

2.查找安装包的路径 rpm -ql wget-1.14-18.el7_6.1.x86_64

最小化安装后,初始状态 [root@localpc ~]# systemctl list-unit-files | grep enabled auditd.service enabled [email protected] enabled chronyd.service enabled crond.service enabled dbus-org.freedesktop.nm-dispatcher.service enabled [email protected] enabled irqbalance.service enabled kdump.service enabled lvm2-monitor.service enabled microcode.service enabled NetworkManager-dispatcher.service enabled NetworkManager-wait-online.service enabled NetworkManager.service enabled postfix.service enabled rhel-autorelabel-mark.service enabled rhel-autorelabel.service enabled rhel-configure.service enabled rhel-dmesg.service enabled rhel-domainname.service enabled rhel-import-state.service enabled rhel-loadmodules.service enabled rhel-readonly.service enabled rsyslog.service enabled sshd.service enabled systemd-readahead-collect.service enabled systemd-readahead-drop.service enabled systemd-readahead-replay.service enabled tuned.service enabled vgauthd.service enabled vmtoolsd-init.service enabled vmtoolsd.service enabled dm-event.socket enabled lvm2-lvmetad.socket enabled lvm2-lvmpolld.socket enabled default.target enabled multi-user.target enabled remote-fs.target enabled runlevel2.target enabled runlevel3.target enabled runlevel4.target enabled

[root@localpc ~]# systemctl status | grep service │ └─1446 grep --color=auto service ├─tuned.service ├─sshd.service ├─postfix.service ├─rsyslog.service ├─crond.service ├─systemd-logind.service ├─vmtoolsd.service ├─vgauthd.service ├─NetworkManager.service ├─dbus.service ├─polkit.service ├─chronyd.service ├─irqbalance.service ├─auditd.service ├─lvm2-lvmetad.service ├─systemd-udevd.service │ └─[email protected] └─systemd-journald.service