Looking up localhost Making HTTP connection to localhost

admin

[root@centos6 conf]# /usr/local/apache/bin/apachectl status
Looking up localhost
3 Z! ^6 U1 K3 r. U- ~Making HTTP connection to localhost
* f( z% Y) e) g: c9 Y4 V; |Alert!: Unable to connect to remote host.
3 Q* ~+ ^% d) tlynx: Can't access startfile http://localhost/server-status

) n* g+ X9 P1 J3 X查看error.log日志
6 J) y  P2 l. {% m/ e[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"

解决方法：
添加host域名解析：
vim /etc/hosts
127.0.0.1  centos6
; u: {# x( w% D) P( b9 s/ K
$ |8 ]; x' z1 R9 @. I( s[root@centos6 conf]# /usr/local/apache/bin/apachectl start
- T# O. B/ _+ B3 a! J4 N' E[root@centos6 conf]# /usr/local/apache/bin/apachectl status
$ j% K. M* P8 M6 ?5 B9 Y  t1 f                                   Not Found
4 }. \& {0 U' @" Z' Q   The requested URL /server-status was not found on this server.

+ t5 U) z+ V* q5 \
6 P- p; F  D  r% W1 u# A2 W% o: g

admin

[root@centos6 conf]# ps -ef |grep httpd
5 }+ T& \* P. M7 mroot      2664     1  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
9 I* E& d$ R1 U5 o0 D0 gdaemon    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
! _. A* E  v+ {% |0 ~8 `1 V: mdaemon    2667  2664  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
6 R( e8 Y' ?2 a1 C. i8 Gdaemon    2669  2664  0 17:41 ?        00:00:00 /usr/local/apache/bin/httpd -k start
) z0 K1 z8 I* q* troot      2756  1210  0 17:44 pts/0    00:00:00 grep httpd
[root@centos6 conf]# lsof -i:80
( n# G  @  g/ Q9 vCOMMAND  PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
8 D" x  e, N; w$ dhttpd   2664   root    4u  IPv6  69457      0t0  TCP *:http (LISTEN)
httpd   2666 daemon    4u  IPv6  69457      0t0  TCP *:http (LISTEN)
$ C$ V9 G* b* Jhttpd   2667 daemon    4u  IPv6  69457      0t0  TCP *:http (LISTEN)
httpd   2669 daemon    4u  IPv6  69457      0t0  TCP *:http (LISTEN)