在Ubuntu上配置Apache2以提高网站速度,可以通过启用和配置缓存模块来实现。以下是一些常用的方法:
安装必要的模块:
sudo apt-get update
sudo apt-get install apache2-mod-cache apache2-mod-cache-disk
启用模块:
sudo a2enmod cache
sudo a2enmod cache_disk
配置缓存:
编辑Apache配置文件(通常是/etc/apache2/apache2.conf
或/etc/apache2/sites-available/your-site.conf
),添加以下内容:
<IfModule mod_cache.c>
<IfModule mod_cache_disk.c>
CacheEnable disk /your-cache
CacheRoot /var/cache/apache2/mod_cache_disk
CacheDirLevels 2
CacheDirLength 1
CacheDefaultExpire 3600
</IfModule>
</IfModule>
<Location />
CacheEnable disk /
CacheIgnoreHeaders Set-Cookie
CacheIgnoreNoLastMod On
CacheMaxExpire 86400
CacheMinExpire 600
CacheLastModifiedFactor 0.5
CacheOnlyIfCached On
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css application/javascript
</Location>
请根据你的需求调整CacheRoot
、CacheEnable
和其他参数。
重启Apache:
sudo systemctl restart apache2
安装Varnish:
sudo apt-get update
sudo apt-get install varnish
配置Varnish:
编辑Varnish配置文件(通常是/etc/varnish/default.vcl
),添加以下内容:
vcl 4.0;
backend default {
.host = "127.0.0.1";
.port = "80";
}
sub vcl_recv {
if (req.http.Cookie) {
return (pass);
}
if (req.http.Authorization) {
return (pass);
}
if (req.http.Cache-Control ~ "no-cache") {
return (pass);
}
if (req.http.Pragma ~ "no-cache") {
return (pass);
}
if (req.http.Expires == "") {
return (pass);
}
return (hash);
}
sub vcl_backend_response {
if (bereq.http.Cache-Control ~ "no-cache") {
set beresp.ttl = 0s;
return (deliver);
}
if (bereq.http.Pragma ~ "no-cache") {
set beresp.ttl = 0s;
return (deliver);
}
if (bereq.http.Expires != "") {
set beresp.ttl = 60s;
} else {
set beresp.ttl = 300s;
}
}
sub vcl_deliver {
if (obj.hits > 0) {
set resp.http.X-Cache = "HIT";
} else {
set resp.http.X-Cache = "MISS";
}
}
启动Varnish:
sudo systemctl start varnish
sudo systemctl enable varnish
配置Apache监听不同的端口(例如8080):
编辑Apache配置文件(通常是/etc/apache2/ports.conf
),添加以下内容:
Listen 8080
重启Apache:
sudo systemctl restart apache2
配置Varnish监听80端口并转发到Apache的8080端口:
编辑Varnish配置文件(通常是/etc/default/varnish
),修改DAEMON_OPTS
:
DAEMON_OPTS="-a :80 \
-T localhost:6082 \
-f /etc/varnish/default.vcl \
-S /etc/varnish/secret \
-s malloc,256m"
重启Varnish:
sudo systemctl restart varnish
通过以上步骤,你可以显著提高Ubuntu上Apache2服务器的网站速度。根据你的具体需求和服务器资源,选择合适的缓存方法进行配置。