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2) # blkid /dev/sda1
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1.hostname ÏÔʾÖ÷»úÃû
hostnameÃüÁîÏÔʾÓÉgethostname º¯Êý·µ»ØµÄϵͳÖ÷»úÃû
hostname -d ÏÔʾdomain name
hostname -f ÏÔʾFQDN
hostname -i ÏÔʾip
2.hostname host
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bind9.4
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ip£º192.168.1.168
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dns server:ns1.test.com
ip£º192.168.1.168
www.test.com 192.168.1.168
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