Tech geek. Life geek.
In my previous post, I promised I will post details of my NAS system. Therefore, I am going to give the full description of my U-NAS. Official website: http://www.u-nas.cn/ U-NAS Information U-NAS Version Serial Number: 000000000000 U-NAS Model: U-NAS...
It is a simple task and a very common task for a VPS user. You have a VPS, and want to know the disk usage of your data and system. You are also want to know which folder takes the...
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...
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...
Yesterday, when I sign in one of my VPS webmin control panel, it displayed an upgrade button. Look at the folowwing screen shot and just click the button underneath, Upgrade Webmin Now. It is a update with new features and...
htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses. If you used top command before, I would like to tell you that htop is a replacement of top,...
When using a SSD to hold the system with the fresh installation, 4K alignment is a key point to improve the performance. Ensure that your new partition layout is aligned with the 4KB sectors of such drives (older hard drives...
LILO (Linux Loader) and GRUB (GRand Unified Bootloader) are both configured as a primary boot loader (installed on the MBR) or secondary boot loader (installed onto a bootable partition). First question, what is a boot loader. The simple answer: a...
There are three types of files need to untar. One is normal tar file, second is gzip compressed, the last one is bzip2 compressed. Here is the commend to untar these files as below.
The task is to delete files from the folder and sub-folders, maybe sub-sub-folder. Say I want to delete .htaccess from every folder, but keep all others no-touch. It is hard to go into each folder and delete the file. It...
OpenSSH is very popular SSH server. Widely used on different Linux distribution. I used it for many years on my VPS server. It is easy to use, but security is the top issue for any server. Here is the top...
Some times you need to find out what version is your Linux OS. Just like when I need to download a module, I have to find out which one is right for my OS. Then I can download 32bit, or...
Canadian Web Hosting offers two different types of VPS hosting, Linux and Windows running under Citrix Xenserver. They can choose different operating systems such as Windows 2008, Redhat, Debian, CentOS, SUSE, and Fedora. As we know, many people use Windows...
To see how Linux CPU utilization, one command is enough.