From the monthly archives: May 2012

Apache: Create/Mount Same Identical Directory in Different Path

By On 30 May 2012 · Leave a Comment

One of our web developer required to have 2 directories to be always identical, which means whatever files contain in directory ‘a’ will be appeared in directory ‘b’. From the server and operating system point-of-view, this can be achieved using several methods:

Use symbolic link Use mount bind Use bindfs

Each and every method has [...]

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CentOS: ClamAV Scanning on FTP Service

By On 22 May 2012 · 3 Comments

Scanning on FTP is really important in order to protect your server from the most popular file transferring method available to users. In my case, my boss wants to make sure every uploaded files via FTP is free from virus, trojan or malware.

In order to achieve this, I need to use PureFTPd as the [...]

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Linux: Install and Configure Varnish as Cache Server

By On 16 May 2012 · Leave a Comment

In same cases, one of my server is having problem delivering static content due to low I/O disk capabilities. So we need something to help our web service to deliver and cache the static content (mostly pictures and HTML) to help reduce the load of the main server.

You can refer to the diagram below [...]

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CentOS: Install TP-Link TL-WN821N Wireless USB Driver

By On 8 May 2012 · 5 Comments

I have a small server in my office which having network card problem because being stroked by lightning. So I decided to use TP-Link wireless USB adapter because this is the only available wireless adapter that we have in office.

This server has GNOME user interface. So I will let ‘Network Manager‘ to manage the wireless network. [...]

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MySQL: Live Backup using LVM Snapshots

By On 4 May 2012 · Leave a Comment

LVM snapshot is an exact copy of an LVM partition that has all the data from the LVM volume from the time the snapshot was created. The advantages of this is that we can get reliable backup in a small matter of time without suspending the MySQL service. Normal backup using mysqldump or mysqlhotcopy will [...]

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