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#hostname blog.infernor.net
# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
192.168.1.61 blog.infernor.net blog
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rc.sysinitæ件éä¸å¼å§å°±è®¾ç½®äºhostname
if [ -f /etc/sysconfig/network ]; then
. /etc/sysconfig/network
fi
if [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" ]; then
HOSTNAME=localhost
fi
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ipaddr=
if [ "$HOSTNAME" = "localhost" -o "$HOSTNAME" = "localhost.localdomain" ]
; then
ipaddr=$(ip addr show to 0/0 scope global | awk '/[[:space:]]inet
/ { print gensub("/.*","","g",$2) }')
if [ -n "$ipaddr" ]; then
eval $(ipcalc -h $ipaddr 2>/dev/null)
hostname ${HOSTNAME}
fi
fi
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#hostname blog.infernor.net
# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
192.168.1.61 blog.infernor.net blog
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rc.sysinitæ件éä¸å¼å§å°±è®¾ç½®äºhostname
if [ -f /etc/sysconfig/network ]; then
. /etc/sysconfig/network
fi
if [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" ]; then
HOSTNAME=localhost
fi
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ipaddr=
if [ "$HOSTNAME" = "localhost" -o "$HOSTNAME" = "localhost.localdomain" ]
; then
ipaddr=$(ip addr show to 0/0 scope global | awk '/[[:space:]]inet
/ { print gensub("/.*","","g",$2) }')
if [ -n "$ipaddr" ]; then
eval $(ipcalc -h $ipaddr 2>/dev/null)
hostname ${HOSTNAME}
fi
fi
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