课程第19次
本帖最后由 secoug 于 2019-8-22 22:03 编辑逻辑卷快照和虚拟化：
# lvcreate -s -L200M /dev/rhel/winserver
Logical volume "lvol0" created.
当使用这个快照，超过200M的变化量时，块照会被自动回收（摧毁）。
Aug 20 20:39:25 station157 kernel: device-mapper: snapshots: Invalidating snapshot: Unable to allocate exception.
Aug 20 20:39:25 station157 lvm: WARNING: Snapshot rhel-lvol0 changed state to: Invalid and should be removed.
Aug 20 20:39:25 station157 dmeventd: No longer monitoring snapshot rhel-lvol0.
file-print-server-environment
graphical-server-environment
infrastructure-server-environment
virtualization-host-environment
web-server-environment
找group:
grep -A 1 'group'd08a56b3b4cba8aaeba3c84aa776e58bd6ffb78281d5c8296d2c382f0bf54913-comps-Server.x86_64.xml
3-comps-Server.x86_64.xml
<group>
<id>additional-devel</id>
--
</group>
<group>
<id>anaconda-tools</id>
--
</group>
<group>
<id>backup-client</id>
--
</group>
<group>
<id>backup-server</id>
--
</group>
<group>
<id>base</id>
--
<packagereq type="optional">libcgroup</packagereq>
<packagereq type="optional">libcgroup-tools</packagereq>
<packagereq type="optional">libitm</packagereq>
--
</group>
<group>
<id>compat-libraries</id>
--
</group>
<group>
<id>conflicts-server</id>
--
<description>This group includes packages conflicting with @everything installation on the Server variant.</description>
<description xml:lang="as">এই দলে চাৰ্ভাৰ অপৰত থকা @everything ইনস্টলৰ লগত দন্দ কৰা পেকেইজসমূহ অন্তৰ্ভুক্ত কৰে।</description>
--
<description xml:lang="fr">Ce groupe comprend des paquetages en conflit avec l'installation @everything sur la variante Serveur.</description>
<description xml:lang="gu">આ જૂથ સર્વર વિવિધતા પર @બધા જ સ્થાપન સાથે અથડામણ થતા પેકેજોને સમાવે છે.</description>
--
</group>
<group>
<id>console-internet</id>
--
</group>
<group>
<id>core</id>
--
</group>
<group>
<id>debugging</id>
--
</group>
<group>
<id>desktop-debugging</id>
--
</group>
<group>
<id>development</id>
--
</group>
<group>
<id>dial-up</id>
--
</group>
<group>
<id>directory-client</id>
--
</group>
<group>
<id>directory-server</id>
--
</group>
<group>
<id>dns-server</id>
--
<description>This package group allows you to run a DNS name server (BIND) on the system.</description>
<description xml:lang="af">Hierdie pakket stel jou in staat om 'n DNS-naambediener (BIND) op die rekenaar te laat loop.</description>
--
<description xml:lang="en_GB">This package group allows you to run a DNS name server (BIND) on the system.</description>
<description xml:lang="es">Este paquete le permite ejecutar un servidor de nombres DNS (BIND) en el sistema.</description>
--
<description xml:lang="fr">Ce groupe de paquetages vous permet d'exécuter un serveur de noms DNS (BIND) sur le système.</description>
<description xml:lang="gu">આ પેકેજનું જૂથ તમને સિસ્ટમ પર DNS નામ સેવા (BIND) ચલાવવાની પરવાનગી આપે છે.</description>
--
</group>
<group>
<id>emacs</id>
--
</group>
<group>
<id>file-server</id>
--
</group>
<group>
<id>fonts</id>
--
</group>
<group>
<id>ftp-server</id>
--
</group>
<group>
<id>gnome-apps</id>
--
</group>
<group>
<id>gnome-desktop</id>
--
</group>
<group>
<id>graphical-admin-tools</id>
--
</group>
<group>
<id>graphics</id>
--
</group>
<group>
<id>guest-agents</id>
--
</group>
<group>
<id>guest-desktop-agents</id>
--
</group>
<group>
<id>hardware-monitoring</id>
--
</group>
<group>
<id>identity-management-server</id>
--
</group>
<group>
<id>infiniband</id>
--
</group>
<group>
<id>input-methods</id>
--
</group>
<group>
<id>internet-browser</id>
--
</group>
<group>
<id>java-platform</id>
--
</group>
<group>
<id>kde-desktop</id>
--
</group>
<group>
<id>large-systems</id>
--
</group>
<group>
<id>legacy-unix</id>
--
</group>
<group>
<id>legacy-x</id>
--
</group>
<group>
<id>load-balancer</id>
--
</group>
<group>
<id>mail-server</id>
--
</group>
<group>
<id>mainframe-access</id>
--
</group>
<group>
<id>mariadb</id>
--
</group>
<group>
<id>mariadb-client</id>
--
</group>
<group>
<id>multimedia</id>
--
</group>
<group>
<id>network-file-system-client</id>
--
</group>
<group>
<id>network-server</id>
--
</group>
<group>
<id>network-tools</id>
--
</group>
<group>
<id>networkmanager-submodules</id>
--
<description>This group contains NetworkManager submodules that are commonly used, but may not be wanted in some streamlined configurations.</description>
<description xml:lang="ja">このグループには、一般的に使用されており複雑な設定が可能な NetworkManager サブモジュールが含まれます。</description>
--
</group>
<group>
<id>performance</id>
--
</group>
<group>
<id>perl-runtime</id>
--
</group>
<group>
<id>perl-web</id>
--
</group>
<group>
<id>php</id>
--
</group>
<group>
<id>platform-devel</id>
--
</group>
<group>
<id>platform-kvm</id>
--
</group>
<group>
<id>platform-microsoft</id>
--
</group>
<group>
<id>platform-vmware</id>
--
</group>
<group>
<id>postgresql</id>
--
</group>
<group>
<id>postgresql-client</id>
--
</group>
<group>
<id>print-client</id>
--
</group>
<group>
<id>print-server</id>
--
</group>
<group>
<id>python-web</id>
--
</group>
<group>
<id>remote-desktop-clients</id>
--
</group>
<group>
<id>remote-system-management</id>
--
</group>
<group>
<id>ruby-runtime</id>
--
</group>
<group>
<id>scientific</id>
--
</group>
<group>
<id>security-tools</id>
--
</group>
<group>
<id>server-product</id>
--
</group>
<group>
<id>smart-card</id>
--
</group>
<group>
<id>system-admin-tools</id>
--
</group>
<group>
<id>system-management</id>
--
</group>
<group>
<id>technical-writing</id>
--
</group>
<group>
<id>virtualization-client</id>
--
</group>
<group>
<id>virtualization-hypervisor</id>
--
</group>
<group>
<id>virtualization-platform</id>
--
</group>
<group>
<id>virtualization-tools</id>
--
</group>
<group>
<id>web-server</id>
--
</group>
<group>
<id>web-servlet</id>
--
</group>
<group>
<id>x11</id>
--
</group>
<category>
--
<grouplist>
<groupid>backup-client</groupid>
<groupid>base</groupid>
<groupid>compat-libraries</groupid>
<groupid>console-internet</groupid>
<groupid>debugging</groupid>
<groupid>dial-up</groupid>
<groupid>directory-client</groupid>
<groupid>hardware-monitoring</groupid>
<groupid>infiniband</groupid>
<groupid>java-platform</groupid>
<groupid>large-systems</groupid>
<groupid>legacy-unix</groupid>
<groupid>mainframe-access</groupid>
<groupid>network-file-system-client</groupid>
<groupid>network-tools</groupid>
<groupid>performance</groupid>
<groupid>perl-runtime</groupid>
<groupid>print-client</groupid>
<groupid>ruby-runtime</groupid>
<groupid>scientific</groupid>
<groupid>security-tools</groupid>
<groupid>smart-card</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>backup-server</groupid>
<groupid>directory-server</groupid>
<groupid>file-server</groupid>
<groupid>ftp-server</groupid>
<groupid>identity-management-server</groupid>
<groupid>mail-server</groupid>
<groupid>network-server</groupid>
<groupid>print-server</groupid>
<groupid>system-admin-tools</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>load-balancer</groupid>
<groupid>php</groupid>
<groupid>web-server</groupid>
<groupid>web-servlet</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>mariadb</groupid>
<groupid>mariadb-client</groupid>
<groupid>postgresql</groupid>
<groupid>postgresql-client</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>graphical-admin-tools</groupid>
<groupid>remote-system-management</groupid>
<groupid>system-management</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>virtualization-client</groupid>
<groupid>virtualization-hypervisor</groupid>
<groupid>virtualization-platform</groupid>
<groupid>virtualization-tools</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>desktop-debugging</groupid>
<groupid>fonts</groupid>
<groupid>gnome-desktop</groupid>
<groupid>input-methods</groupid>
<groupid>kde-desktop</groupid>
<groupid>legacy-x</groupid>
<groupid>remote-desktop-clients</groupid>
<groupid>x11</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>emacs</groupid>
<groupid>gnome-apps</groupid>
<groupid>graphics</groupid>
<groupid>internet-browser</groupid>
<groupid>technical-writing</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>additional-devel</groupid>
<groupid>development</groupid>
<groupid>platform-devel</groupid>
</grouplist>
</category>
--
<grouplist>
<groupid>base</groupid>
<groupid>core</groupid>
<groupid>file-server</groupid>
<groupid>print-server</groupid>
</grouplist>
<optionlist>
<groupid>backup-client</groupid>
<groupid>backup-server</groupid>
<groupid>debugging</groupid>
<groupid>directory-client</groupid>
<groupid>guest-agents</groupid>
<groupid>ha</groupid>
<groupid>hardware-monitoring</groupid>
<groupid>java-platform</groupid>
<groupid>large-systems</groupid>
<groupid>network-file-system-client</groupid>
<groupid>performance</groupid>
<groupid>remote-system-management</groupid>
<groupid>resilient-storage</groupid>
</optionlist>
--
<grouplist>
<groupid>base</groupid>
<groupid>core</groupid>
<groupid>desktop-debugging</groupid>
<groupid>dial-up</groupid>
<groupid>fonts</groupid>
<groupid>gnome-desktop</groupid>
<groupid>guest-agents</groupid>
<groupid>guest-desktop-agents</groupid>
<groupid>hardware-monitoring</groupid>
<groupid>input-methods</groupid>
<groupid>internet-browser</groupid>
<groupid>multimedia</groupid>
<groupid>print-client</groupid>
<groupid>x11</groupid>
</grouplist>
<optionlist>
<groupid>backup-server</groupid>
<groupid>directory-server</groupid>
<groupid>dns-server</groupid>
<groupid>file-server</groupid>
<groupid>ftp-server</groupid>
<groupid>ha</groupid>
<groupid>hardware-monitoring</groupid>
<groupid>identity-management-server</groupid>
<groupid>infiniband</groupid>
<groupid>java-platform</groupid>
<groupid>kde-desktop</groupid>
<groupid>large-systems</groupid>
<groupid>load-balancer</groupid>
<groupid>mail-server</groupid>
<groupid>mainframe-access</groupid>
<groupid>mariadb</groupid>
<groupid>network-file-system-client</groupid>
<groupid>performance</groupid>
<groupid>postgresql</groupid>
<groupid>print-server</groupid>
<groupid>remote-desktop-clients</groupid>
<groupid>remote-system-management</groupid>
<groupid>resilient-storage</groupid>
<groupid>virtualization-client</groupid>
<groupid>virtualization-hypervisor</groupid>
<groupid>virtualization-tools</groupid>
</optionlist>
--
<grouplist>
<groupid>base</groupid>
<groupid>core</groupid>
</grouplist>
<optionlist>
<groupid>backup-server</groupid>
<groupid>debugging</groupid>
<groupid>directory-client</groupid>
<groupid>directory-server</groupid>
<groupid>dns-server</groupid>
<groupid>file-server</groupid>
<groupid>ftp-server</groupid>
<groupid>guest-agents</groupid>
<groupid>ha</groupid>
<groupid>hardware-monitoring</groupid>
<groupid>identity-management-server</groupid>
<groupid>infiniband</groupid>
<groupid>java-platform</groupid>
<groupid>large-systems</groupid>
<groupid>load-balancer</groupid>
<groupid>mail-server</groupid>
<groupid>mariadb</groupid>
<groupid>network-file-system-client</groupid>
<groupid>performance</groupid>
<groupid>postgresql</groupid>
<groupid>print-server</groupid>
<groupid>remote-system-management</groupid>
<groupid>resilient-storage</groupid>
<groupid>virtualization-hypervisor</groupid>
</optionlist>
--
<grouplist>
<groupid>core</groupid>
</grouplist>
<optionlist>
<groupid>debugging</groupid>
</optionlist>
--
<grouplist>
<groupid>base</groupid>
<groupid>core</groupid>
<groupid>virtualization-hypervisor</groupid>
<groupid>virtualization-tools</groupid>
</grouplist>
<optionlist>
<groupid>debugging</groupid>
<groupid>network-file-system-client</groupid>
<groupid>remote-system-management</groupid>
<groupid>virtualization-platform</groupid>
</optionlist>
--
<grouplist>
<groupid>base</groupid>
<groupid>core</groupid>
<groupid>web-server</groupid>
</grouplist>
<optionlist>
<groupid>backup-client</groupid>
<groupid>debugging</groupid>
<groupid>directory-client</groupid>
<groupid>guest-agents</groupid>
<groupid>hardware-monitoring</groupid>
<groupid>java-platform</groupid>
<groupid>large-systems</groupid>
<groupid>load-balancer</groupid>
<groupid>mariadb-client</groupid>
<groupid>network-file-system-client</groupid>
<groupid>performance</groupid>
<groupid>perl-web</groupid>
<groupid>php</groupid>
<groupid>postgresql-client</groupid>
<groupid>python-web</groupid>
<groupid>remote-system-management</groupid>
<groupid>web-servlet</groupid>
</optionlist>
%post
KS_IPADDR=$(ifconfig | head -n 2 | tail -n 1 | cut -c 14- | cut -d ' ' -f 1)
KS_IPADDR_SHORT=$(ifconfig | head -n 2 | tail -n 1 | cut -c 14- | cut -d ' ' -f 1 | cut -d '.' -f 4)
KS_DEVICE=$( ls /etc/sysconfig/network-scripts/ifcf* | grep -v ifcfg-lo | cut -d '/' -f 5)
KS_DEVICE_SHORT=$( ls /etc/sysconfig/network-scripts/ifcf* | grep -v ifcfg-lo | cut -d '/' -f 5 | cut -d '-' -f 2)
cat > /etc/sysconfig/network-scripts/$KS_DEVICE <<EOF
DEVICE=$KS_DEVICE_SHORT
IPADDR=$KS_IPADDR
NETMASK=255.255.255.0
GATEWAY=192.168.0.254
EOF
echo "station$KS_IPADDR_SHORT.example.com" >/etc/hostname
echo "$KS_IPADDRstation$KS_IPADDR_SHORT.example.comstation$KS_IPADDR_SHORT" >> /etc/hosts
%end
如果推的时候遇到：
是因为分配给虚拟机的内存小于等于1G
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