


The following tutorial column will introduce to you the automatic installation operation of Centos8 based on PXE System, I hope it will be helpful to friends in need! PXE server configurationInstall related software
dnf install -y httpd tftp-server dhcp-server syslinux-nonlinux
Configure dhcp
vim /etc/dhcp/dhcpd.conf subnet 192.168.43.0 netmask 255.255.255.0 { range 192.168.43.100 192.168.43.200; option routers 192.168.43.2; option domain-name "xuepeng.com"; option domain-name-servers 180.76.76.76, 114.114.114.114; next-server 192.168.43.8; filename "pxelinux.0"; }
Start immediately, start the service automatically after booting
systemctl enable --now tftp dhcpd httpd
Prepare related Directory mounting CD
Add three CD-ROMs in advance and put the centos6, 7, and 8 CDs respectively
mkdir -p /var/www/html/Centos/{6,7,8}/os/x86_64 mount /dev/sr0 /var/www/html/Centos/8/os/x86_64/ mount /dev/sr1 /var/www/html/Centos/6/os/x86_64/ mount /dev/sr2 /var/www/html/Centos/7/os/x86_64/
Move the ks file to /var/www/html/ksdir
Centos6, 7, 8 ks.cfg
mkdir /var/www/html/ksdir mv ks{6,7,8}.cfg /var/www/html/ksdir
Prepare to start the related files in the /var/lib/tftpboot directory
initre.img, vmlinuz from the CDmenu.c32, pxelinux.0 from syslinux-nonlinux package
- ldlinux.c32, libcom32.c32, libutil.c32 from centos8 CD
- pxelinux.cfg Directory created by yourself
-
/var/lib/tftpboot/pxelinux.cfg/default file contentdefault menu.c32 timeout 600 menu title PXE Auto Install Centos label mini 6 menu label ^Install CentOS Mini ^6 kernel Centos6/vmlinuz append initrd=Centos6/initrd.img ks=http://192.168.43.8/ksdir/ks6.cfg label mini 7 menu label ^Install CentOS Mini ^7 kernel Centos7/vmlinuz append initrd=Centos7/initrd.img ks=http://192.168.43.8/ksdir/ks7.cfg label mini 8 menu label ^Install CentOS Mini ^8 kernel Centos8/vmlinuz append initrd=Centos8/initrd.img ks=http://192.168.43.8/ksdir/ks8.cfg label manual menu label ^Manual Install Centos Linux 8 kernel Centos8/vmlinuz append initrd=Centos8/initrd.img inst.repo=http://192.168.43.8/Centos/8/os/x86_64 label rescue menu label ^Rescue a CentOS Linux system 8 kernel Centos8/vmlinuz append initrd=Centos8/initrd.img ks=http://192.168.43.8/ksdir/ks8.cfg rescue quiet label rescue menu label ^Rescue a CentOS Linux system 7 kernel Centos7/vmlinuz append initrd=Centos7/initrd.img ks=http://192.168.43.8/ksdir/ks7.cfg rescue quiet label rescue menu label ^Rescue a CentOS Linux system 6 kernel Centos6/vmlinuz append initrd=Centos6/initrd.img ks=http://192.168.43.8/ksdir/ks6.cfg rescue quiet label local menu default menu label Boot from ^local drive localboot 0xffff
pxe client configuration
Open a new one The virtual machine starts from the network card
The system automatically installs the software package Enters the system
The above is the detailed content of How to automatically install the operating system on Centos8 based on PXE. For more information, please follow other related articles on the PHP Chinese website!

查版本号的命令:1、“cat /etc/issue”或“cat /etc/redhat-release”,可输出centos版本号;2、“cat /proc/version”、“uname -a”或“uname -r”,可输出内核版本号。

centos重启网卡的方法:1、对于centos6的网卡重启命令是“service network restart”;2、对于centos7的网卡重启命令是“systemctl restart network”。

centos php安装opcache的方法:1、执行“yum list php73* | grep opcache”命令;2、通过“yum install php73-php-opcache.x86_64”安装opcache;3、使用“find / -name opcache.so”查找“opcache.so”的位置并将其移动到php的扩展目录即可。

centos离线安装mysql的方法:1、将lib中的所有依赖上传到linux中,并用yum命令进行安装;2、解压MySQL并把文件复制到想要安装的目录;3、修改my.cnf配置文件;4、复制启动脚本到资源目录并修改启动脚本;5、将mysqld服务加入到系统服务里面;6、将mysql客户端配置到环境变量中,并使配置生效即可。

centos7安装不出现界面的解决办法:1、选择“Install CentOS 7”,按“e”进入启动引导界面;2、 将“inst.stage2=hd:LABEL=CentOS\x207\x20x86_64”改为“linux dd”;3、重新进入“Install CentOS 7”,按“e”将“hd:”后的字符替换成“/dev/sdd4”,然后按“Ctrl+x”执行即可。

centos删除php的方法:1、通过“#rpm -qa|grep php”命令查看全部php软件包;2、通过“rpm -e”命令卸载相应的依赖项;3、重新使用“php -v”命令查看版本信息即可。

方法:1、利用“vim ~/.bashrc”编辑用户目录(~)下的“.bashrc”文件;2、在文件内添加“alias ls="ls --color"”;3、利用“:wq!”命令保存文件内的更改;4、“exit”命令退出终端后重新连接即可。

我们的PC中有一个磁盘驱动器专门用于所有与Windows操作系统相关的安装。该驱动器通常是C驱动器。如果您还在PC的C盘上安装了最新的Windows11操作系统,那么所有系统更新(很可能是您安装的所有软件)都会将其所有文件存储在C盘中。因此,保持此驱动器没有垃圾文件并在C驱动器中拥有足够的存储空间变得非常重要,因为该驱动器拥有的空间越多,您的Windows11操作系统运行起来就越顺畅。但是您可以在磁盘驱动器上增加多少空间以及可以删除多少文件是有限制的。在这种情况下,


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