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colben
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---
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title: "Kickstart 安装 CentOS7"
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date: 2019-10-29T21:00:25+08:00
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lastmod: 2019-10-29T21:00:25+08:00
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keywords: []
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tags: ["kickstart", "centos"]
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categories: ["os"]
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---
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## 环境
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- CentOS7.6
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- genisoimage 1.1.11
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- CentOS-7-x86_64-Minimal-1810.iso
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## 复制 iso 内容到本地磁盘
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```bash
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mount -o loop CentOS-7-x86_64-Minimal-1810.iso /mnt/
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mkdir -p /home/iso/centos7
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cd /mnt && cp -af * .* /home/iso/centos7/
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```
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## 创建 isolinux/ks.cfg
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- mbr 启动，/home/iso/centos7/isolinux/ks.cfg 内容如下
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```
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# Install OS instead of upgrade
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install
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# Reboot after installation
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reboot
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# System authorization information
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auth --enableshadow --passalgo=sha512
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# Use CDROM installation media
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cdrom
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# Use graphical install
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graphical
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# Run the Setup Agent on first boot
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firstboot --enable
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ignoredisk --only-use=sda
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# Keyboard layouts
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keyboard --vckeymap=cn --xlayouts='cn'
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# System language
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lang zh_CN.UTF-8
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# Firewall configuration
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firewall --disabled
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# SELinux configuration
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selinux --disabled
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# Network information
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#network --bootproto=dhcp --device=eth0 --onboot=off --ipv6=auto --no-activate
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#network --hostname=localhost.localdomain
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# Root password(111111)
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rootpw --iscrypted $6$kD.hMvv5nCY8a/SM$Gnmb4zspkuyL75BP2Gj.1SGUaWBugXkd/zMFhoDndp9CSi8VP7R5JP7rfWzL4y7fy8crH3ryDT4PFkKCc7/xM.
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# System services
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services --enabled="chronyd"
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# System timezone
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timezone Asia/Shanghai --isUtc
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# Clear the Master Boot Record
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zerombr
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# System bootloader configuration
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bootloader --location=mbr --boot-drive=sda
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# Partition clearing information
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clearpart --none --initlabel
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# Disk partitioning information
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part /boot --fstype="xfs" --ondisk=sda --size=512
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part / --fstype="xfs" --ondisk=sda --grow --size=1
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%packages
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@^minimal
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@core
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chrony
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%end
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%post
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lsblk > /root/lsblk
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%end
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%addon com_redhat_kdump --disable --reserve-mb='auto'
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%end
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%anaconda
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pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty
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pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok
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pwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty
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%end
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```
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- efi 启动，/home/iso/centos7/isolinux/ks.cfg 内容如下
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```
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# Install OS instead of upgrade
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install
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# Reboot after installation
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reboot
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# System authorization information
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auth --enableshadow --passalgo=sha512
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# Use CDROM installation media
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cdrom
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# Use graphical install
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graphical
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# Run the Setup Agent on first boot
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firstboot --enable
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ignoredisk --only-use=sda
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# Keyboard layouts
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keyboard --vckeymap=cn --xlayouts='cn'
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# System language
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lang zh_CN.UTF-8
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# Firewall configuration
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firewall --disabled
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# SELinux configuration
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selinux --disabled
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# Network information
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#network --bootproto=dhcp --device=eth0 --onboot=off --ipv6=auto --no-activate
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#network --hostname=localhost.localdomain
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# Root password(111111)
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rootpw --iscrypted $6$kD.hMvv5nCY8a/SM$Gnmb4zspkuyL75BP2Gj.1SGUaWBugXkd/zMFhoDndp9CSi8VP7R5JP7rfWzL4y7fy8crH3ryDT4PFkKCc7/xM.
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# System services
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services --enabled="chronyd"
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# System timezone
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timezone Asia/Shanghai --isUtc
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# Clear the Master Boot Record
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zerombr
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# System bootloader configuration
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bootloader --location=mbr --boot-drive=sda
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# Partition clearing information
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clearpart --none --initlabel
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# Disk partitioning information
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part /boot --fstype="xfs" --ondisk=sda --size=512
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part /boot/efi --fstype="xfs" --ondisk=sda --size=512
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part / --fstype="xfs" --ondisk=sda --grow --size=1
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%packages
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@^minimal
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@core
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chrony
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%end
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%post
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%end
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%addon com_redhat_kdump --disable --reserve-mb='auto'
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%end
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%anaconda
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pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty
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pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok
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pwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty
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%end
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```
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## 修改启动项文件
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- mbr 启动，只需修改 isolinux/isolinux.cfg
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- 删除 "label check" 下的 "menu default" 一行
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- 在 "label linux" 一行上方添加如下内容
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```
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label auto
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menu label ^Auto install CentOS 7
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menu default
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kernel vmlinuz
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append initrd=initrd.img inst.stage2=hd:LABEL=CentOS7 inst.ks=cdrom:/isolinux/ks.cfg quiet
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```
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- efi 启动，只需修改 EFI/BOOT/grub.cfg
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- 修改第一行
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```
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set default="0"
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```
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- 在 "### BEGIN /etc/grub.d/10_linux ###" 一行下添加如下内容
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```
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menuentry 'Auto Install CentOS 7' --class fedora --class gnu-linux --class gnu --class os {
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linuxefi /images/pxeboot/vmlinuz inst.ks=cdrom:/isolinux/ks.cfg inst.stage2=hd:LABEL=CentOS7 quiet
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initrdefi /images/pxeboot/initrd.img
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}
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```
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## 生成 ISO 镜像
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- mbr 启动，执行如下命令
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```bash
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genisoimage -v -R -J -T -V CentOS7 \
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-b isolinux/isolinux.bin \
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-c isolinux/boot.cat \
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-cache-inodes \
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-joliet-long \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table \
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-o /home/centos7.iso \
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/home/iso/centos7
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```
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- efi 启动，执行如下命令
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```bash
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genisoimage -v -R -J -T -V CentOS7 \
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-b images/efiboot.img \
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-c isolinux/boot.cat \
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-cache-inodes \
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-joliet-long \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table \
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-o /home/centos7-efi.iso \
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/home/iso/centos7
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```
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## 参考
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- [https://boke.wsfnk.com/archives/382.html](https://boke.wsfnk.com/archives/382.html)
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@ -93,6 +93,16 @@ categories: ["OS"]
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# Root password
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rootpw --iscrypted $y$j9T$VB3hYFCRRHaCTsOM/DwE2KUX$Ci6f4pASC887sewVuvjFqTXHN.g5nsVsPoca9RntMdD
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%addon com_redhat_kdump --disable --reserve-mb='auto'
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%end
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%anaconda
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pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty
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pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok
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pwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty
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%end
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# 安装完成后的操作，这里禁用了 selinux 和自带的防火墙
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%post
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/usr/bin/systemctl disable firewalld
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