Looking up localhost Making HTTP connection to localhost

admin

[root@centos6 conf]# /usr/local/apache/bin/apachectl status
Looking up localhost
Making HTTP connection to localhost
Alert!: Unable to connect to remote host.
/ c9 J6 y* |, W( Y& _, M& }  `: z: elynx: Can't access startfile http://localhost/server-status
5 x; N1 x$ T  N# t( |
+ o& V0 L( i" Q7 ?2 D查看error.log日志
[Fri Jun 05 17:38:02 2020] [alert] (EAI 2)Name or service not known: mod_unique_id: unable to find IPv4 address of "centos6"

" J; M+ L- Q4 b6 U" T3 |2 ]& W) c解决方法：
添加host域名解析：
vim /etc/hosts
127.0.0.1  centos6

. K" D4 Y; D% ?8 J8 j[root@centos6 conf]# /usr/local/apache/bin/apachectl start
5 {4 s1 ~! ]+ h4 U[root@centos6 conf]# /usr/local/apache/bin/apachectl status
                                   Not Found
   The requested URL /server-status was not found on this server.
% U) U) R, `2 p  C* S

admin

[root@centos6 conf]# ps -ef |grep httpd
( i' {  Y8 y, @8 r5 nroot      2664     1  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
7 g7 q- b  x' U- @3 L/ M. a- x6 a$ @daemon    2665  2664  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
daemon    2666  2664  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
% s, k  v, n( K2 h6 _daemon    2667  2664  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
" S, A# G/ S" c3 l  _( V9 _8 mdaemon    2669  2664  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
% [" M6 I# T$ u9 s7 H7 T: Broot      2756  1210  0 17:44 pts/0    00:00:00 grep httpd
# l1 O3 J( ^: A[root@centos6 conf]# lsof -i:80
COMMAND  PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
) P/ w- Q) e) v! ~& Lhttpd   2664   root    4u  IPv6  69457      0t0  TCP *:http (LISTEN)
# S( o! t; w( T$ V  {9 {/ zhttpd   2666 daemon    4u  IPv6  69457      0t0  TCP *:http (LISTEN)
4 i9 R, G7 [) @0 a; Y% ]% K$ ihttpd   2667 daemon    4u  IPv6  69457      0t0  TCP *:http (LISTEN)
httpd   2669 daemon    4u  IPv6  69457      0t0  TCP *:http (LISTEN)