COPY別人的LVM回來用時，可能會碰到的問題及需要注意的地方

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  • NIC eth0 is gone

Solution: 刪除/etc/udev/rules.d/70-persistent-net.rules後重新開機
# cd /etc/udev/rules.d
# cp 70-persistent-net.rules /root/
# rm 70-persistent-net.rules
# reboot

  • Configure NIC onboot

Update your /etc/sysconfig/networking-scripts/ifcfg-eth0 with eth1 HWaddr (MAC address), enter:
# cat /etc/sysconfig/networking-scripts/ifcfg-eth0

 Sample outputs:
# DEVICE="eth0"
# BOOTPROTO="dhcp"
# NM_CONTROLLED="yes"
# ONBOOT="yes"
# HWADDR="00:0C:29:69:0C:4A"

Save and close the file. Restart the network service, enter:
# service network restart

You can verify new settings with the following commands:
# ifconfig -a
# route -n

  • Change keyboard layout

Change keyboard layout to English keyboard
# loadkeys us
Change default keyboard layout to English keyboard
# vi /etc/sysconfig/keyboard
// need root permission
// vi text editor
# KEYTABLE="us"
# KEYBOARDTYPE="pc"
// type "ESC" key
// wq
# reboot

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BASH script: resize pictures in rar archive

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[Solved] If you forgot your f**king security question in Apple ID login portal

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