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:: httpd could not be started ::

:: error

[ myhostname: ~ ]# apachectl restart 
/usr/local/sbin/apachectl restart: httpd could not be started

the error log:
[alert] mod_unique_id: unable to hostbyname("myhostname") 




:: how to fix
[ myhostname: ~ ]# vi /etc/hosts
add line like this :
192.168.0.100  myhostname.tld myhostname
o 192.168.0.100 - your servers ip address
o myhostname.tld - your servers domain name
o myhostname - your servers host name

:: restarting httpd
[ myhostname: ~ ]# apachectl start

:: checking the httpd port
[ myhostname: ~ ]# netstat -tlupn | grep 80 
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      30391/httpd

:: links
+ googlelinux
+ rasyid

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