Sometimes you need to “hide” your server by denying responses to ping requests. This way your server will look like it is offline. ping <server_ip> will return connection timeout. There is a short linux command that will allow to do this using iptables. Here it is:
iptables -t filter -A INPUT -p icmp -j REJECT
This [...]

Seoquake is a browser extension that allows you to monitor multiple parameters that are important for search engine optimization. It doesn’t do anything extraordinary, but the information is presented pretty well. Google, Yahoo and Live.com indexation, number of pages in each search engine, Alexa Rank and other parameters. It is fully customizable: you may tune [...]

Today I found a nice script for those who need to manage file shares on most known filesharing services, like rapidshare.com and depositfiles.com. Here is the description from the developer site:
PHP RapidGet Pro — this is the rich set of PHP scripts to work with fileshares. Allows you to manage your downloads and uploads [...]

Often after initial Directadmin setup, made by your server provider, you keep getting the following message: Subject: This is e-mail notification to warn you that your hostname is setup improperly on your system. You keep getting this e-mail daily until you do something with your hostname. It’s quite a strange thing that hostname isn’t set [...]

When you decide to rent a dedicated server, you almost in all cases get more than one IP address. This is used for DNS management and other stuff that is related to unique IPs. For example, you want to assign a dedicated IP to one of your site.
Let’s take we don’t have any panel installed [...]

We often send and receive e-mails. Thanks to spammers, we do more receive mail than send it, but it is not the glue. We usually use e-mail clients that are negotiating with POP3 (IMAP) and SMTP servers. Though IMAP is more secure, POP3 is much simpler and you can find it anywhere. But… let’s imagine [...]

If you are a system administrator, you should often need to copy files between servers. I think that the most useful tools for this is Midnight Commander (mc). I will show you how to establish a SSH connection to another server in this post.
First of all let’s start midnight commander from command line by typing [...]

Some days ago on a news site has appeared a press release about e-gold bankruptcy. This article spreaded very fast over the Web and was translated into many languages. Online currency exchange providers have dropped e-gold rate to the minimum level I’ve seen for recent years. But…
No official message comes from the site itself. [...]

Midnight commander is a very useful tool in Linux. As I found from my previous experience, it is the only way to delete a plenty of files without overloading the server. If you are a Linux newbie, you might not know how to select all the files listed by Midnight Commander (Like Ctrl+A in Windows). [...]

Finding files is a very common practice for all operating systems. I don’t think this is a trick. but it’ll be very helpful for newbies to know the exact command to find big files, especially when you don’t have enough space on your machine and want to know which files take most of your space.
find [...]