Tech geek. Life geek.
I have a CentOS installation on a VPS. When I try to update it through Webmin, it always give me some error looks like below: Multilib version problems found, balabala.. This error kept coming. There are always four updates can...
The error when I try to start MySQL server in the VPS. Another MySQL daemon already running with the same unix socket I googled it and found the solution.
I just update the system through yum update command. After that, I reboot the VPS, then, lost the connection to this VPS and web site. Can not access the web site on it from browser. Can not access the VPS...
What are ETags? ETag is a standard used for determining whether the client (web browser) already has the latest version. If it has, it’s simply loaded from local cache. If not, the new version is requested. An ETag is a...
Zend Opcache is an open source component of Zend Server and Zend Server Community Edition. Zend Opcache speeds up PHP execution by opcode caching and optimization. It stores precompiled script bytecode in shared memory. This eliminates the stages of reading...
I installed a Zend Server on one developing server. It is v6. Zend Server Version: 6.0.1 Build: branch_zend_server_release_6.0.1:69400 The original license information is trial for one week, full features. After one week, I need a Free License to use it....
It is a very popular service on web application and mobile apps. I like its server service. The servers New Relic supported includes Linux, Windows.: Centos / Red Hat Ubuntu / Debian Other Linux Windows 2003, 2008 I followed the...
To fine tuning mysql server, run Mysql tuning primer script on server. But I got error which said bc is not found. So just enter following yum install bc to install it.
I use the new PHP with Opcache v7.0.3. I want to see how it works, just like xcache. Xcache has its official administrator page. OPcache does not have one. So I googled some and installed three control panels. 1. OCP...
Since I installed PHP 5.5.3 and Zend OPcache v7.0.3, it is good for WordPress opcode already. For other cache optimization, I need a cache system. I choose Memcached server. Part 1. Install Memcached Server I install Memcached with following command: Then...
It is the test based on the LEMP, or Linux, Nginx, MySQL and PHP, on Centos 6.4 64bit at Burst.net 1GB VPS. Details about the testing bed: Intel(R) Xeon(R) CPU E5620 @ 2.40GHz, 1 cores, 1GB RAM CentOS Linux 6.4...
It is a guide to install LEMP on a Centos 6.4 64bit VPS at Burst.net. It is also working on other VPS. LEMP stands for Linux, NginX, MySQL, PHP. First of all, rebuild the OS on VPS with Centos-6.2-x86_64. Other...
This is an example from Wicked Cool PHP, an very handy book for daily PHP coding. I am reading this book now. It has 12 chapters, total 76 tips.
There are certain PHP configuration tat affect security features. The following recommended security configuration options is for production servers. register_globals set to off safe_mode set to off error_reporting set to off disable these functions: system(), exec(), passthru(), shell_exec(), proc_open(), and...
It is a general test on a Centos 6.4 system. The benchmark script is made by http://www.php-benchmark-script.com/. The first time I run it on the updated default Centos6.4. The php version is 5.3.3. I think it has Xcache installed. The...