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sed -i.bak 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/selinux/configsetenforce 0

systemctl stop firewalldsystemctl disable firewalld

rm -f /etc/yum.repos.d/*cat > /etc/yum.repos.d/my.repo <<eof[base]name=centos7baseurl=https://mirrors.aliyun.com/centos/7/os/x86_64/gpgcheck=0enable=1[epel]name=epel7baseurl=https://mirrors.aliyun.com/epel/7Server/x86_64/enable=1gpgcheck=0eof

yum install cobbler cobbler-web dhcp tftp-server pykickstart httpd xinetd rsync debmirror fence-agents -ysystemctl enable --now httpdsystemctl enable --now xinetdsystemctl enable --now rsyncdsystemctl enable --now tftpsystemctl enable --now cobblerd

# cobbler checkThe following are potential configuration items that you may want to fix:1 : The 'server' field in /etc/cobbler/settings must be set to something other than localhost, or kickstarting features will not work. This should be a resolvable hostname or IP for the boot server as reachable by all machines that will use it.2 : For PXE to be functional, the 'next_server' field in /etc/cobbler/settings must be set to something other than 127.0.0.1, and should match the IP of the boot server on the PXE network.3 : change 'disable' to 'no' in /etc/xinetd.d/tftp4 : some network boot-loaders are missing from /var/lib/cobbler/loaders, you may run 'cobbler get-loaders' to download them, or, if you only want to handle x86/x86_64 netbooting, you may ensure that you have installed a *recent* version of the syslinux package installed and can ignore this message entirely. Files in this directory, should you want to support all architectures, should include pxelinux.0, menu.c32, elilo.efi, and yaboot. The 'cobbler get-loaders' command is the easiest way to resolve these requirements.5 : enable and start rsyncd.service with systemctl6 : debmirror package is not installed, it will be required to manage debian deployments and repositories7 : The default password used by the sample templates for newly installed machines (default_password_crypted in /etc/cobbler/settings) is still set to 'cobbler' and should be changed, try: "openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'" to generate new one8 : fencing tools were not found, and are required to use the (optional) power management features. install cman or fence-agents to use themRestart cobblerd and then run 'cobbler sync' to apply changes.

# openssl passwd -1 -salt 'root' 'xxxxxxxx'$1$root$dYm.Ftddv//.DbM.Kc87J0

sed -i 's%^server: 127.0.0.1%server: 192.168.253.186%g' /etc/cobbler/settingssed -i 's%^next_server: 127.0.0.1%next_server: 192.168.253.186%g' /etc/cobbler/settingssed -i 's%manage_dhcp: 0%manage_dhcp: 1%g' /etc/cobbler/settingssed -i 's%^default_password_crypted.*%default_password_crypted: "$1$root$dYm.Ftddv//.DbM.Kc47J0"%g' /etc/cobbler/settings

dhcp_conf=`grep -n "subnet 192" /etc/cobbler/dhcp.template|awk -F':' '{print $1}'`sed -i '/192.168/d' /etc/cobbler/dhcp.templatesed -i '/255.255.255.0/d' /etc/cobbler/dhcp.templatesed -i "21 i\subnet 192.168.253.0 netmask 255.255.255.0 { " /etc/cobbler/dhcp.templatesed -i "22 i\ option routers 192.168.253.254; " /etc/cobbler/dhcp.templatesed -i "23 i\ option domain-name-servers 114.114.114.114; " /etc/cobbler/dhcp.templatesed -i "24 i\ option subnet-mask 255.255.255.0; " /etc/cobbler/dhcp.templatesed -i "25 i\ range 192.168.253.130 192.168.253.140; " /etc/cobbler/dhcp.template

tftp_disable_conf=`grep -n disable /etc/xinetd.d/tftp|awk -F':' '{print $1}'`sed -i '/disable/d' /etc/xinetd.d/tftpsed -i "$tftp_disable_conf i\ disable = no" /etc/xinetd.d/tftpsystemctl enable --now rsyncd.service

cobbler get-loaders

yum -y install syslinuxcp /usr/share/syslinux/pxelinux.0 /var/lib/cobbler/loaders/cp /usr/share/syslinux/menu.c32 /var/lib/cobbler/loaders/systemctl restart cobblerdcobbler get-loaders #再次执行则成功*

# cobbler get-loaderstask started: 2021-06-13_201509_get_loaderstask started (id=Download Bootloader Content, time=Sun Jun 13 20:15:09 2021)path /var/lib/cobbler/loaders/README already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/COPYING.elilo already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/COPYING.yaboot already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/COPYING.syslinux already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/elilo-ia64.efi already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/yaboot already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/pxelinux.0 already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/menu.c32 already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/grub-x86.efi already exists, not overwriting existing content, use --force if you wish to updatepath /var/lib/cobbler/loaders/grub-x86_64.efi already exists, not overwriting existing content, use --force if you wish to update*** TASK COMPLETE ***

systemctl restart cobblerdcobbler check

cobbler sync

mount -o loop /soft/CentOS-7-x86_64-DVD-1908.iso /mnt/centos7

cobbler import --name=Centos7 --path=/mnt/centos7 --arch=x86_64

cobbler distro report

# vi /var/lib/cobbler/kickstarts/centos7.ksauth --useshadow --enablemd5bootloader --location=mbrclearpart --all --initlabeltextfirewall --disablefirstboot --disablekeyboard uslang en_US.UTF-8 --addsupport=zh_CN.UTF-8url --url=$tree$yum_repo_stanza$SNIPPET('network_config')reboot
rootpw --iscrypted $default_password_cryptedselinux --disabledskipxtimezone Asia/Shanghaiinstallzerombr#autopartclearpart --all --initlabelreqpart --add-bootpart biosboot --fstype=biosboot --size=1part /boot/efi --fstype="efi" --ondisk=sda --size=200part swap --asprimary --fstype="swap" --size=2048 --ondisk=sdapart /boot --fstype xfs --size 500 --ondisk=sdapart pv.01 --size=1 --growvolgroup myvg pv.01logvol / --fstype xfs --name=lv01 --vgname=myvg --size=1 --grow
%pre$SNIPPET('log_ks_pre')$SNIPPET('kickstart_start')$SNIPPET('pre_install_network_config')# Enable installation monitoring$SNIPPET('pre_anamon')%end
%packages#$SNIPPET('func_install_if_enabled')@base@corekexec-toolschronyvim-enhancedtcpdumpautofslrzsztreetelnetbash-completionnet-toolspostfixwgetbzip2lsofscreen%end
%post --nochroot$SNIPPET('log_ks_post_nochroot')%end
%post$SNIPPET('log_ks_post')$yum_config_stanza$SNIPPET('post_install_kernel_options')$SNIPPET('post_install_network_config')$SNIPPET('func_register_if_enabled')$SNIPPET('download_config_files')$SNIPPET('koan_environment')$SNIPPET('redhat_register')$SNIPPET('cobbler_register')$SNIPPET('post_anamon')$SNIPPET('kickstart_done')%end

cobbler profile edit --name=Centos7-x86_64 --kickstart=/var/lib/cobbler/kickstarts/centos7.ks

cobbler profile edit --name=Centos7-x86_64 --kopts='net.ifnames=0 biosdevname=0 noipv6'

cobbler profile report

yum install koan -y

# koan --server=192.168.253.186 --list=profiles- looking for Cobbler at http://192.168.253.186:80/cobbler_apiCentos7-x86_64Centos8-x86_64

koan --server=192.168.253.186 --replace-self --profile=Centos7-x86_64

reboot