Linux hostname hostname is always changed to broad principle analysis and recovery

After the IP address is bound, The hostname of Linux I changed back to Localhost.localdomain, after the restart is to become 237.99.135.219.broad.fs.gd.dynamic.163data.com.cn this string of ghosts, 650) this.width=650; "Src=" http://s4.51cto.com/wyfs02/M02/85/FE/wKiom1exqtTSzXcmAAA_2hBghpo337.png-wh_500x0-wm_3-wmp _4-s_977616473.png "title=" 12.png "alt=" Wkiom1exqttszxcmaaa_2hbghpo337.png-wh_50 "/>

After a lot of data found that when the hostname of localhost Localhost.localdomain, Linux will have a DNS reverse parsing process, and the resolution of the domain name to be assigned to hostname

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I do test, will hostname in/etc/sysconfig/network change to other, see if will be changed to that Broad hostname,650) this.width=650; "src="/HTTP// S2.51cto.com/wyfs02/m00/85/fe/wkiom1exry2bnhfhaaamvtqwjmm304.png-wh_500x0-wm_3-wmp_4-s_3484113842.png "Title=" 15.png "alt=" Wkiom1exry2bnhfhaaamvtqwjmm304.png-wh_50 "/>

OK, yes, no problem;

So I'm going to change the hostname= variable in the/etc/rc.sysinit to something else or delete it and try it out.

-_-! Do not dare to kill Delete, just comment out, (has changed the/etc/sysconfig/network hostname to hostname)

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-_-! frightened father, in the start interface card 10 minutes, somehow still go in, hurriedly change back

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But after the change, it still became the Read-only file system;

Only emergency will mount-o REMOUNT,RW/after immediately change back, finish, normal

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Modify/etc/hosts bind IP address domain name to solve this problem

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Linux hostname hostname is always changed to broad principle analysis and recovery