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How to find the IPs connecting to my server?

published by on Thu, 25/04/2013 - 15:05
The following command displays a list of the IPs that are connected to our server ignoring the STATE of the connection (CLOSE_WAIT, ESTABLISHED, etc)
netstat -tn 2>/dev/null
-t flag tells netstat to display only TCP connections and -n flag tells netstat command not to resolve IPs to hostnames While stderr (2) redirection (>) throws at "garbage" (/dev/null) means that we just don't want possible errors to break our cute output we are trying to make.

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How to delete a directory via SSH

published by on Sun, 06/01/2013 - 19:30

Many new Linux / Unix users may wonder how to delete an entire directory / folder and all its contents via SSH. Here is the answer:

rm -rf ./direcory_to_delete

You may use "wildcards" too, for example:

rm -rf ./direcory_that_starts_with*

What every command does:

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zpanel web hosting panel

published by on Tue, 06/11/2012 - 22:33
zpanel dashboard screenshot

ZPanel is a free and complete web hosting system for Linux (Ubuntu and Centos officially supported), Unix, MacOSX and Windows based servers. ZPanel is written in PHP and uses several open-source (or freely available) software packages to provide a secure, web hosting system.

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Simple SEO Slideshow - Wordpress

published by on Tue, 14/08/2012 - 06:17
Simple SEO Slideshow for wordpress

Το Simple SEO Categories Posts is a Wordpress widget developed by Hostdog, that will create a slideshow from a post/page media gallery.

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Simple SEO Categories Posts widget - Wordpress

published by on Mon, 30/07/2012 - 16:30
Simple SEO Categories Posts widget Screenshot

Simple SEO Categories Posts is a Wordpress widget developed by Hostdog, where you can choose the posts you want to display on your site from specified categories.

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Virtuemart 1.1.x - payment method by country

published by on Fri, 06/04/2012 - 02:48
Something that it is missing from Joomla - Virtuemart 1.1.x is the restriction of payment method (for example Cahs On Delivery) to specific countries or to make it simple, how to set a payment method to be available only for a specified country or countries. Above, by editing only three (3) files (via the file manager of your panel that you web hosting company provides or via ftp) of virtemart we will explain how to add this functionality.

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Logaholic - cPanel - HTTP 401 error

published by on Thu, 05/04/2012 - 18:56
In case you run into the error: "HTTP error 401 You do not have permission to access this page" when visiting the Logaholic statistics, after your cPanel is upgraded from 11.30.x, 11.31.x to 11.32.x, follow the next steps to solve it: 1. Login to your server via ssh 2. execute the commands

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Optimize Apache on cPanel - apache benchmark

published by on Wed, 28/03/2012 - 23:04

Requirements: If you don't have Prefork installed, then please install it via Easy Apache on your WHM. You will have to recompile Apache.

Run apache benchmark on terminal:
ab -n 500 -c 50 http://www.yourdomain.gr/el

It's best to select your heavier webpage.
You'll get something like the following screen:

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How to set date/timezone on a Linux server

published by on Tue, 27/03/2012 - 20:18

Using the console (terminal) execute the commands below:

ln -sf /usr/share/zoneinfo/Europe/Athens /etc/localtime
export TZ=Europe/Athens

Change the above to your timezone. Supported timezones:
http://php.net/manual/en/timezones.php  

Check the time with the following command:

date

Change the hardware clock:

hwclock --systohc

Check the hardware clock

hwclock --show

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