Tutorial

Many server owners don’t know how to install SSL to all daemons, especially to Exim4 and dovecot. Now there is a new way that is built-in Vesta Pre-required step: your server hostname must be full host address that is already pointing to IP of your server.Check /etc/hostname to see what is your hostname. If it’s […]

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Windows

How to Create Windows 7 Installer on USB Thumbdrive using Diskpart

June 16, 2013

We need Windows 7 installer on USB thumbrive for laptop which doesn’t have DVD Drive. Below are steps on how to create Windows 7 installer on USB Thumbdrive. 1. Prepare a USB Thumbdrive with minimum 8GB size and a Windows 7 DVD installer. 2. Plug the thumbdrive and insert Windows 7 DVD into tray. 3. […]

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How to Fix phpFox Error: “Unable to write to temporary folder: /tmp/”

phpFox is social network web-based application which can be used to build online community. I found this error message when installing phpFox: To fix this problem, edit install/include/installer.class.php Find this line: and modify to this: After that, create new folder: Change the folder permission to 777: After that redo phpFox installation http://domain.com/install/index.php And problem will […]

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How to Install Virtualbox 4.1 on Linux Mint

Virtualbox Open Source Edition can be installed using Software Manager in Linux Mint. But if you want to use USB feature in Virtualbox, you have to install the non-free version of Virtualbox. Below is step by step guide how to install Virtualbox 4.1 non-free version on Linux Mint: 1. Edit /etc/apt/sources.list 2. Add this repository […]

Debian

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How to Install Memcached on Debian / Ubuntu

Memcached is free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. First of all, install memcached dan php5-memcached packages: and then make sure memcached is running with this command: Restart apache web server: Check php5-memcached module using […]

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How to Fix “PHP Warning: PHP Startup: mcrypt: Unable to initialize module” on Centos 5

I found this error message after upgrading PHP 5.1.6 to 5.2.14 The problem happens when there is a mismatch version of php-mcrypt module with php installed in the server. You can check the version using this command line: To fix this error, we have to update php-mcrypt module:

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Windows

How to Convert .dmg to .iso Using Windows

.dmg is file extension of archive file in Macintosh. To use .dmg file in Windows environment, we have to convert it into .iso file using a program called dmg2iso. dmg2iso is an Apple’s compressed dmg to standard (hfsplus) image disk file convert tool. 1. Download dmg2iso converter program from http://vu1tur.eu.org/tools/download.pl?dmg2img-1.6.2-win32.zip 2. Extract the downloaded .zip […]

Debian

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How to Setup Timezone on Debian Squeeze

Run the following command as root or using sudo: And then select your timezone from the prompts. After that UTC time and local time will be shown as in the following example: Keywords:famous paintingsfamous paintings of the world

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Ubuntu

How to Setup Rsync with SSH without Password on Ubuntu / Debian

Rsync is awesome tool for synchronize local files or directories with files and directories on remote server. Rsync is commonly used for data backup. For rsync installation you can read this article. Below is command line how to use rsync with ssh. You will be asked for a ssh password before rsync can start synchronizing. […]

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How to Make Image which Can’t Be Cached by Browser

April 27, 2012

Images as static content on website are usually be cached by browser. Using PHP we can make the image can’t be cached and always loaded from server by putting random number behind the image file. The HTML output will be: The number 1331835943 is generated dynamically by PHP that forces the browser to always load […]