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Linux Application From Scratch

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The new wordpress platform is based on Linux Application From Scratch.

The mysql server, php, nginx (openresty), and all dependency, including gcc and C library, any code in User Space, are build from source code, and installed into /opt/local as root directory.

The benefit of LAFS (LFS for wordpress application):

Could be running on any linux platform, as long as same mode (x86-64),  and support the selected basic instruction set (Sandy Bridge). The software is binary compatible,to run it on a new linux machine,  just the copy the image to the /opt/local.

Thanks to the linux kernel API backword compability,  the kernel version have no side impacts for most of application.

 

With the help of LAFS implementation, we can build blog platform, modification blog contents locally, and push to the remote public vps with easy:

      Just the file level sync (rsync):

 

Dev Machine   ==>   Local Production Env   ==>  Remote Public Production Env

  ( Intel E3 )                  ( Vmware ESXi )                         (VPS)      

 

 

 

 

 

Encrypt WordPress Server with Let’s Encrypt SSL certificate

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# Install acme.sh tool
git clone https://github.com/Neilpang/acme.sh.git

cd acme.sh

./acme.sh --install

#install cert
cd ~/.acme.sh

# issue a RSA cert
sudo ./acme.sh --issue --d blog.zhenglei.net -w /var/www/html/wordpress

# issue a ECC cert
./acme.sh --issue -d blog.zhenglei.net -w /var/www/html/wordpress --keylength ec-256

# Copy the cert into target directory
sudo mkdir -p /etc/nginx/ssl

sudo ./acme.sh --installcert -d blog.zhenglei.net --key-file /etc/nginx/ssl/blog.zhenglei.net.ecc.key --fullchain-file /etc/nginx/ssl/blog.zhenglei.net.ecc.bundle --ecc
sudo ./acme.sh --installcert -d blog.zhenglei.net --key-file /etc/nginx/ssl/blog.zhenglei.net.key --fullchain-file /etc/nginx/ssl/blog.zhenglei.net.bundle
# Update nginx config
server {
 #listen 80;

 listen 443;
 ssl on;
 ssl_certificate ssl/blog.zhenglei.net.bundle;
 ssl_certificate_key ssl/blog.zhenglei.net.key;

 ssl_session_timeout 5m;

 ssl_protocols SSLv3 TLSv1;
 ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv3:+EXP;

 ssl_prefer_server_ciphers on;
 ...
}

server {
        listen 80 default_server;
        server_name blog.zhenglei.net;

        # Let's Encrypt, http method
        location ~ \.well-known
        {
           root /var/www/html/wordpress/;
           allow all;
           access_log on;
           log_not_found on;
        }
 return 301 https://$server_name$request_uri;
}

Install post-view plus plugin in WordPress

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Two modification in  Themes of Twentyeleven, which used by this blog:

List most top 10 articles of blog,  add following into the index.php

<?php if (function_exists(‘get_most_viewed’)): ?>
<ul>
<?php get_most_viewed(); ?>
</ul>
<?php endif; ?>

View count for each article,   add following code into content.php

<span>
<?php if(function_exists(‘the_views’)) { the_views(); } ?>
</span>
<span class=”sep”> | </span>