Centos 下Apache(httpd) 安装过程

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参考技术A

其实,网上这块的部署文章非常多 。随便搜索,都有 。

这篇文章,老徐帮大家挑选几个比较重点的过程 & 命令 。

1. 有些 linux 版本中已经预置了有Apache,并且已经是服务了,所有首先检查系统中是否已经存在httpd的服务

1)先检查 服务器 上是否已经启动了此服务 。

命令如下

ps -ef|grep httpd

2)查看linux系统服务中有没有httpd

chkconfig --list | grep httpd

3)如果有服务存在,那么需要先关闭httpd服务自启动
命令 chkconfig httpd off

4)停止httpd服务
命令 service httpd stop

5)再次查看,是否有进程存在
命令 ps -ef|grep httpd

6)如果有进程存在,关闭进程
命令 kill -9 pid

1)先检查 安装包 的名字

命令 rpm -qa|grep httpd

<pre style="box-sizing: border-box; font-family: Monaco, Menlo, Consolas, "Courier New", monospace; font-size: 12px; white-space: pre-wrap; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 1.38462; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, 204); border-radius: 4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">[root@istester]~# rpm -qa|grep httpd
httpd-2.2.15-69.el6.centos.x86_64
httpd-tools-2.2.15-69.el6.centos.x86_64</pre>

2)根据安装包名字删除包

rpm -e httpd-tools-2.2.15-69.el6.centos.x86_64

rpm -e httpd-2.2.15-69.el6.centos.x86_64

3)删除httpd.conf文件

<pre class="prettyprint" style="box-sizing: border-box; font-family: Monaco, Menlo, Consolas, "Courier New", monospace; font-size: 12px; white-space: pre-wrap; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 1.38462; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, 204); border-radius: 4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">#先检查文件在哪
find / -name httpd.conf

rm /xxx/xxx/httpd.conf</pre>

3. 准备事项已完成,剩下的就是常规安装了 。

注:我们通过yum的方式,在线安装,非常简单 。

1)检查是否存在httpd包

<pre style="box-sizing: border-box; font-family: Monaco, Menlo, Consolas, "Courier New", monospace; font-size: 12px; white-space: pre-wrap; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 1.38462; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, 204); border-radius: 4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">[www@istester ~]$ yum list httpd
Loaded plugins: security
base | 3.7 kB 00:00
epel | 4.7 kB 00:00
epel/primary_db | 6.0 MB 00:00
extras | 3.4 kB 00:00
extras/primary_db | 28 kB 00:00
updates | 3.4 kB 00:00
updates/primary_db | 3.2 MB 00:00
Available Packages
httpd.x86_64 2.2.15-69.el6.centos base</pre>

2、安装Apache
yum install httpd

<pre style="box-sizing: border-box; font-family: Monaco, Menlo, Consolas, "Courier New", monospace; font-size: 12px; white-space: pre-wrap; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 1.38462; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, 204); border-radius: 4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Total 20 MB/s | 932 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : apr-util-ldap-1.3.9-3.el6_0.1.x86_64 1/4
Updating : httpd-tools-2.2.15-69.el6.centos.x86_64 2/4
Installing : httpd-2.2.15-69.el6.centos.x86_64 3/4
Cleanup : httpd-tools-2.2.15-53.el6.centos.x86_64 4/4
Verifying : httpd-tools-2.2.15-69.el6.centos.x86_64 1/4
Verifying : httpd-2.2.15-69.el6.centos.x86_64 2/4
Verifying : apr-util-ldap-1.3.9-3.el6_0.1.x86_64 3/4
Verifying : httpd-tools-2.2.15-53.el6.centos.x86_64 4/4

Installed:
httpd.x86_64 0:2.2.15-69.el6.centos

Dependency Installed:
apr-util-ldap.x86_64 0:1.3.9-3.el6_0.1

Dependency Updated:
httpd-tools.x86_64 0:2.2.15-69.el6.centos

Complete!</pre>

安装过程,不用理会,如果看到如上提示,说明安装成功了。

3、设置Apache服务的启动级别
chkconfig --levels 235 httpd on
Apache是一个服务,所以,可以通过设置服务的启动级别来让它启动。

4、启动服务

两种方式,

1)如下 /etc/init.d/httpd start

2)如下

service httpd start

5、查看服务是否正常启动

两种方式,

1)查看服务状态

<pre style="box-sizing: border-box; font-family: Monaco, Menlo, Consolas, "Courier New", monospace; font-size: 12px; white-space: pre-wrap; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 1.38462; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, 204); border-radius: 4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">[root@istester www]# service httpd status
httpd (pid 10339) is running...</pre>

2)查看进程

<pre style="box-sizing: border-box; font-family: Monaco, Menlo, Consolas, "Courier New", monospace; font-size: 12px; white-space: pre-wrap; display: block; padding: 9.5px; margin: 0px 0px 10px; line-height: 1.38462; color: rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, 204); border-radius: 4px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">[root@istester www]# ps -ef|grep httpd | grep -v grep
root 10339 1 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10341 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10342 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10343 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10344 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10345 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10346 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10347 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd
apache 10348 10339 0 23:15 ? 00:00:00 /usr/sbin/httpd</pre>

补充,

1)停止服务

service httpd stop

2)重启服务

service httpd restart

6、安装之后的说明:

1)验证是否安装成功
现在打开 http://ip 地址,看看有没有Apache的默认页面出来了?如果有就对了。

2)安装目录说明
Apache默认将网站的根目录指向 /var/www/html
默认的主配置文件是 /etc/httpd/conf/httpd.conf
配置存储在的/etc/httpd/conf.d/目录

End

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