1. mod_pagespeed 설치  

64비트일경우

# wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_amd64.deb 
# dpkg -i mod-pagespeed-stable_current_amd64.debwget https://dl-

32비트 

# wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_i386.deb 
# dpkg -i mod-pagespeed-stable_current_i386.deb

2. Apache 재시작

# service apache2 restart


3. memcached 설치

# apt-get install memcached

4. Memcached 정상적으로 구동중인지 확인

# netstat -tap | grep memcached

정상구동중이면

tcp 0 0 localhost:11211 *:* LISTEN 2688/memcached

5. Apache2 설정파일 수정

# nano /etc/apache2/mods-available/pagespeed.conf

해당부분을 찾아서 #를 지워줍니다.

ModPagespeedMemcachedServers localhost:11211

ModPagespeedCreateSharedMemoryMetadataCache "/var/cache/mod_pagespeed/" 51200

6. Apache2 재시작

# service apache2 restart