1、配置chrony服务,实现服务器时间自动同步
局域网服务器配置
[root@CentOS7 ~]# vim /etc/chrony.conf
server ntp.aliyun.com iburst
allow 192.168.8.0/24
[root@CentOS7 ~]# systemctl start chronyd.service
局域网客户机配置
[root@CentOS7 ~]# vim /etc/chrony.conf
server 192.168.8.7 iburst
[root@CentOS7 ~]# systemctl start chronyd
[root@CentOS7 ~]# chronyc -n sources -v
2、实现cobbler+pxe自动化装机
服务器配置192.168.8.7
[root@centos7 ~]# yum install cobbler dhcp -y
[root@CentOS7 ~]# systemctl start tftp
[root@CentOS7 ~]# systemctl start httpd
[root@CentOS7 ~]# systemctl start cobblerd
[root@CentOS7 ~]# cobbler check
[root@CentOS7 ~]# openssl passwd -1 生成centos加密密码
Password:
Verifying - Password:
$1$IJpgAKtK$h7bybw2Nf8.Kj5gDC1mqA.
[root@centos7 ~]# vim /etc/cobbler/settings
next_server: 192.168.8.7
server: 192.168.8.7
default_password_crypted: "$1$IJpgAKtK$h7bybw2Nf8.Kj5gDC1mqA."
manage_dhcp: 1
[root@centos7 ~]# systemctl restart cobblerd
[root@CentOS7 ~]# vim /etc/cobbler/dhcp.template #修改DHCP模板
subnet 192.168.8.0 netmask 255.255.255.0 {
option routers 192.168.8.2;
option domain-name-servers 192.168.8.2;
option subnet-mask 255.255.255.0;
range dynamic-bootp 192.168.8.100 192.168.8.254;
default-lease-time 21600;
max-lease-time 43200;
next-server $next_server;
[root@CentOS7 ~]# cobbler sync #生成DHCP配置
[root@CentOS7 ~]# systemctl start dhcpd
[root@CentOS7 ~]# cobbler get-loaders #下载配置文件及模板
[root@CentOS7 ~]# cobbler sync
[root@CentOS7 /var/lib/tftpboot]# mount /dev/sr0 /media/cdrom/
[root@CentOS7 ~]# cobbler import --name=CentOS7.7-x86_64 --path=/media/cdrom --arch=x86_64
[root@CentOS7 ~]# cobbler distro list
CentOS7.7-x86_64
[root@CentOS7 ~]# cobbler profile list
CentOS7.7-x86_64
[root@CentOS7 ~]# cp ks7-min.cfg /var/lib/cobbler/kickstarts/
[root@CentOS7 ~]# vim /var/lib/cobbler/kickstarts/ks7-min.cfg
url --url=$tree
[root@CentOS7 ~]# cobbler profile add --name CentOS-7.7_mini --distro=CentOS7.7-x86_64 --kickstart=/var/lib/cobbler/kickstarts/ks7-min.cfg
[root@CentOS7 ~]# cat /var/lib/tftpboot/pxelinux.cfg/default
[root@CentOS7 ~]# cobbler profile remove --name=CentOS7.7-x86_64
[root@CentOS7 ~]# yum install cobbler-web.noarch
访问网址
https://192.168.8.7/cobbler_web/