Archive for Linux Web Hosting

Does eUKhost offer Email Web Hosting services?

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Yes, we do. Our Email Web Hosting starts at £2.49 per month. With our Email Hosting packages, you can create unlimited e-mail accounts within your Email Hosting account’s disk space constraints. Email Hosting is perfect for businesses or professional individuals that want to have a dedicated E-mail Account without having to use services such as Hotmail, Yahoo! Maiul or AOL Mail and having an unprofessional business image by having an @hotmail.com or @aol.com e-mail address.

With all of our Email Hosting packages, you need to also purchase a domain name. Our domain names start at just £7.49 per year for .COM and .NET domain extensions and £5 per year for .CO.UK domain names*. Any e-mail account you create under your Email Hosting account will be tied to your unique domain name. So instead of business@hotmail.com – your domain name can be business@example.com – whatever your domain name happens to be.

Why should I opt for Email Hosting?
If you don’t want full-scale web hosting and don’t want to have to pay for web hosting in order to have your own unique e-mail address with your company branding, Email Hosting is the perfect solution for this. And all of our Email Hosting packages come with SpamAssassin which is a widely-recognised anti-spam solution that is installed on all of our servers. You can activate SpamAssassin and will automatically filter e-mails that are detected to be spam by SpamAssassin. You can set the filter level before SpamAssassin will automatically delete e-mails it has detected as being spam.

Why is it important to have an anti-spam solution with email?
While “spam” doesn’t sound so scary, it can be used as a collective term to refer to more malicious e-mails, such as:

  • “Phising” emails are e-mails sent by malicious users and organisations that are pretending to be a company or organisation that you may have an association or service with. A prominent example is PayPal spoof e-mails that are sent by malicious users that are claiming the customer’s account has been suspended and it needs to be verified. You’d be surprised by the amount of people that are unfortunately fooled by these kinds of e-mails.
  • Scam e-mails that are trying to get you to provide your personal information that may be used to steal your identity or to use your credit or debit card details for unauthorised transactions. For example, some spam e-mails may claim that someone needs help with transferring funds from a certain third-world country. Never trust these e-mails – they always have an underlying motive to either steal your identity or make use of your credit or debit card information.
  • Malicious emails can be sent that may have malware embedded in an attachment.
  • Spam emails in general which are advertising certain products and services such as viagra pills, SEO services and so forth. Never, ever trust these e-mails – some of these malicious users are not really selling you viagra pills and could be something much more dangerous than that.

I’d be able to tell the difference between a real e-mail and a fake e-mail?
Not necessarily. In fact, it is very easy to spoof an e-mail and pretend to be someone you’re not if certain records are not set on a domain name where the e-mail is coming from, it will otherwise look like a genuine e-mail from the person you’d naturally expect it to be from. How is this possible? Well, very simply, malicious users simply set the e-mail address that sent the e-mail address to the e-mail address they wish to spoof. And even more, they can set a different e-mail address for the “Reply-To” header, which means when someone replies to such an e-mail, they’d be sending it to a completely different e-mail address.

How do you prevent this? Like with all of our Linux cPanel Hosting Packages, within the Email Authentication section of the control panel. Within this section, you can set an “SPF record” which adds a TXT record on the domain name that specifies what IP addresses are authorised to send e-mails from for your specific domain name. This may be set by default. And if it isn’t, you can contact our support team to set the SPF record within cPanel for you if you have any difficulties doing this yourself.

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VPS Web Hosting with Unlimited Bandwidth

Some web hosting providers provide Web Hosting and VPS Hosting with unlimited bandwidth. First and foremost, every web hosting provider has a theoretical limit on how much data it can transfer at any one time within their network, and that includes those web hosting providers that provide unlimited bandwidth. We cannot offer unlimited bandwidth without having a usage policy that makes any kind of package nothing different than a package that has specific limits on disk space and monthly bandwidth transfer. Any web hosting provider you go with that offers unlimited disk space and/or bandwidth will also likely have a usage policy to protect their network from users that may overuse the service, at as to what is considered “overusage” and what is considered “acceptable use” is likely determined by the web hosting provider, as per their Acceptable Usage Policy.

All of our VPS Hosting packages include defined limits so we can provide a good service to all of our customers. By offering unlimited disk space and monthly bandwidth, it can increase the risk of network abuse by certain customers – and which can affect the service of every customer on a specific server node. We compete on service rather than by specifications. We cannot technically offer unlimited disk space and monthly bandwidth because there are technical limits on how much data can be transferred at any one point with equipment, which is why we do not offer it.

About our VPS Hosting packages.

Our VPS Hosting packages are run on our vLite Hardware Virtualisation platform. Our vLite platform comes with our eNlight Cloud Hypervisor which optimises the software on your VPS to prevent slow performance of your VPS. Additionally, your RAM and CPU resources are physically separated from other customers which prevents any kind of security issue if another customer faces any kind of security breach.

Our VPS Hosting packages start at £22 per month, and if you choose a CentOS-based VPS with us, you can optionally purchase our Burstable RAM and CPU add-on which allows your VPS to burst up to 4096MB RAM and 6 CPUs depending on the package you choose – useful during busy traffic periods with your VPS performing as fast as during non-peak periods.

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Ubuntu support on vLite VPS Hosting

With our vLite Managed VPS Hosting we support the very latest LTS (Long-Term Release) of Ubuntu – Ubuntu 12.04, as well as prior releases that are actively supported by Canonical with our vLite VPS Hosting. However, the only difference between using CentOS and Ubuntu is that the burstable RAM and CPU options are not compatible with Ubuntu nor is the cPanel and WHM control panels.

What is Burstable RAM and CPU in your vLite VPS Hosting?
If you require burstable RAM and CPU options with your vLite Virtual Private Server, you’ll need to opt for CentOS as Ubuntu-based vLite virtual servers do not support this. Burstable RAM and CPU is a system in which your VPS can extend its resources beyond its original capacity to up to 4096MB RAM and up to 6 CPUs (dependent on the vLite package you choose from) which is useful during traffic spikes and during peak periods.

What versions of Ubuntu do you support?
eUKhost recommends you only use stable and supported releases of Ubuntu. From 12.04 and onwards, Canonical is supporting both desktop and server releases for five years. As of writing, Ubuntu Server 8.04, Ubuntu Server 10.04, and Ubuntu Server 12.04 are actively supported. Support for Ubuntu Server 8.04 ends in April 2013, so we recommend you choose either Ubuntu Server 10.04 or Ubuntu 12.04.

Are your vLite VPS Hosting managed?
Yes. All of our server-based and cloud-based hosting services are fully managed whichever operating environment you wish to use – whether Ubuntu or CentOS. Our qualified system administrators are available 24 hours a day to assist you with any aspect of server management and software installation including server security hardening.

What is vLite?
vLite, being a hardware virtualisation platform, your vLite VPS is an independent virtualised server environment on our server nodes with our eNlight Cloud Hyperviser sitting between the hardware and the vLite Virtual Servers to optimise the software installed on your vLite Virtual Private Server.

What is Ubuntu?
Ubuntu is one of the most popular Linux distributions on the desktop and is increasingly being deployed in large-scale deployments with corporations and government organisations. Ubuntu is commercially sponsored by Canonical by providing commercial support options to companies, organisations and individuals and has recently introduced new consumer-oriented services including Ubuntu One and the Ubuntu One Music Store that is integrated into Rhythmbox.

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Can a Dedicated IP be purchased with Shared Hosting?

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Yes, you can order a Dedicated IP if you have eUK Shared Hosting or Reseller Hosting with us if absolutely necessary. While we provide 2 IPs with VPS Hosting and Dedicated Server Hosting; with shared hosting, you share the server IP. In most scenarios, this is sufficient; but if you are installing and using an SSL certificate for use on your website, you’ll need to buy an Dedicated IP alongside an SSL certificate.

What is a Dedicated IP?
When you buy shared web hosting, your account shares the Dedicated IP of the server in which your account is hosted on. However, if you require a Dedicated IP for a specific reason – whether for SEO purposes or because you need to use an SSL certificate; for example in the case you run an e-commerce store – you’ll need to buy a Dedicated IP in order to buy and use an SSL certificate.

How much do Dedicated IPs cost?
A Dedicated IP costs £20.00 per year. The reason you have to pay for Dedicated IPs on an annual basis is to ensure those that have Dedicated IPs allocated actually need them. You will need to justify each Dedicated IP you require.

How long does it take for my order to be processed as soon as I purchase a Dedicated IP?
Our sales team work 24 hours a day, 7 days a week so you should expect your order to be processed by our sales team usually within a few hours after ordering.

How to redirect domain to subdirectory without redirecting url

If you want to redirect your domain name to sub-directory but the url shows only domain name

For example :

http://yourdomain.com redirect to http://yourdomain.com/blog but the URL shows only http://yourdomain.com

Then add the following rules in your .htaccess file.

<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP_HOST} ^yourdomain.com
RewriteRule ^(.*)$ http://www.yourdomain.com/$1 [R=301,L]
RewriteRule    ^$   blog/    [L]
RewriteRule    (.*)  blog/$1 [L]
</IfModule>

It is easy but to perform this task you need to consider one of the eUKhost web hosting plans and then edit or upload a .htaccess file from your file manager or SSH access on your cPanel hosting plan or a Linux Dedicated Server or the linux VPS hosting plan.

How to Remove extensions from URL

URL stands for Uniform Resource Locator which is the global address of documents and other resources on the World Wide Web. According to the syntax of URL the first part of the URL is called a protocol identifier and it indicates what protocol to use, and the second part is called a resource name and it specifies the IP address or the domain name where the resource is located. The protocol identifier and the resource name are separated by a colon and two forward slashes.

1) How to remove the.php extension from the URL?
Ans : Add the following code in .htaccess file
Options +FollowSymLinks
Options +Indexes
RewriteEngine on
RewriteCond %{SCRIPT_FILENAME} !-d
RewriteRule ^([^.]+)$ $1.php [NC,L]

2) How to remove the.html extension from the URL ?
Ans : Add the following code in .htaccess file
Options +FollowSymLinks
Options +Indexes
RewriteEngine on
RewriteCond %{SCRIPT_FILENAME} !-d
RewriteRule ^([^.]+)$ $1.html [NC,L]
To host any extension based site you need to have good quality web hosting services to run secure site.

How to Enable mssql support on Linux server

The answer to the above question is you need to first compile freetds and then compile PHP with freetds support.

But what is FreeTDS?
FreeTDS is a free implementation of the TDS (Tabular Data Stream) protocol that is used by Sybase and Microsoft for their database products. It implements different version os TDS which includes TDS 4.2, 5.0, 7.0 and 8.0, and can communicate with any Sybase or Microsoft SQL Server. FreeTDS generally comes with a low level library (the TDS layer) along with a number of APIs (Application Programming Interfaces). The APIs are DB-Lib, CT-Lib, and ODBC.
You can install freetds by using yum.

yum install freetds

After that you need to recompile the php with mssql support

check the php version on the server and then download the same php version file

for example php 5.3.2.
You can downlad php version by using this URL http://us3.php.net/downloads.php

cd /usr/local/src

wget http://us3.php.net/get/php-5.3.2.tar.bz2/from/in.php.net/mirror

tar -xzvf php-5.3.2.tar.bz2

cd php-5.3.2/ext/mssql

phpize

./configure –with-mssql

make
make install

Next look for the mssql.so file and make sure it is in the module directory specified in your php.ini. Copy it to the specified location if needed.

php -i | grep php.ini

vi /usr/local/lib/php.ini

Add this line to your php.ini:

extension=mssql.so

Save the php.ini and restart Apache:

/etc/init.d/httpd restart

To install Enable mssql support on Linux server you need a good tech support people from web host and eUKhost has number of customer reviews about quality support and services.

How to Update A records from the Command Line Interface in Linux?

Server admins are well aware of the criticalities and complications that are involved in their jobs. Amongst the varied tasks, DNS forms one of the key areas that requires an eye for perfection. Any changes to the DNS configuration should be done by experts or someone who has fair experience with it.

In the previous article, we learnt the steps for Changing A Records in Cpanel , in this tutorial, we would take a look at the steps to update the A record from the command line interface in Linux.

As we did in the last tutorial, here again we’d make certain assumptions,

  • We assume that you have BIND running on your Linux web hosting Server,
  • You have the essential knowledge of DNS and its entries, and
  • Most importantly, we assume that you are aware of the consequences of updating the zone file with incorrect details. Any incorrect entry to this configuration would cause your site to be inaccessible.

You may even prefer to lower the TTL- Time To Live value for the particular domains zone file, before proceeding with updating the DNS record.

Below is an example of what the zone file looks like from the command line.

; Zone file for yourdomain.co.uk
$TTL 14400
@ 86400 IN SOA ns1.yourdomain.co.uk. admin.yourdomain.co.uk. (
2010090802 ; serial, todays date+todays
86400 ; refresh, seconds
7200 ; retry, seconds
3600000 ; expire, seconds
86400 ) ; minimum, secondsCloud Servers yourdomain.co.uk. 86400 IN NS ns1.yourdomain.co.uk.
yourdomain.co.uk. 86400 IN NS ns2.yourdomain.co.uk.
yourdomain.co.uk. IN A 67.227.186.122
localhost.yourdomain.co.uk. IN A 127.0.0.1
yourdomain.co.uk. IN MX 0 yourdomain.co.uk.
mail IN CNAME yourdomain.co.uk.
www IN CNAME yourdomain.co.uk.
ftp IN A 67.227.186.122
cpanel IN A 67.227.186.122

NOTE : We would recommend you to make changes to the DNS configuration only when its the most needed.

Once you are aware of the severity of the issue and have taken the necessary measures to avoid mistakes, making changes to the A records are pretty simple.

Below is the procedure to ammend the IP address to a sub-domain.

Step 1 : In the command line interface, enter the following command inorder to edit the zone file (You may use any of your preferred editors)

[root@host /var/named/]% vi /var/named/yourdomain.co.uk.db

Step 2 : Look for the line that states the IP address and ammend it with the new address.

ftp IN A 192.168.1.100

Step 3 : You must now update the Serial number of the Zone.

Step 4 : You must now inform BIND about the DNS updates and reload the DNS zone by using the below command

[root@host /var/named/]% rndc reload

Step 5 : You may then reload the named service using the following command

[root@host /var/named/]% /etc/init.d/named reload

Step 6 : Recheck whether the changes have been successfully implemented

[root@host /var/named/]% dig @localhost ftp.yourdomain.co.uk

Alternately, you may also make these changes via. WHM.

If you need any assistance, kindly contact our Support Department via. our 24×7 Live Chat available at our website or raise a ticket from the client area (helpdesk).

Changing the Default Text Editor in Linux

A default text editor comes with respective Linux distributions. Such as nano, vim, ed etc. Users can change it according to their preferences by changing the $EDITOR environment variable.

Changing default editor from nano to vimCloud Hosting UK

You must open the .bashrc file and append the line as shown below.

#FILE: .bashrc

export EDITOR=”vim”

Different command line applications alike the crontab, svn and visudo make use of the $EDITOR variable to choose the default text editor.

How to change default text editor in Ubuntu

In an operating system such as Ubuntu, you need to use a script inorder to change the default text editor known as the update-alternatives. Below is the description of how you can go about doing it.

Open a terminal and enter the below command :

$ sudo update-alternatives –config editor

You may also do this by logging in as root to avoid using sudo to run the command. You then be prompted for password, entering the correct password you would be presented with a list of console text editors found on your system. You may choose between them and change it to using as a default text editor.

[sudo] password for yourserver : *****

There are 3 alternatives which provide `editor’.

Selection Alternative

1 /usr/bin/vim.tiny

2 /bin/ed

*+ 3 /bin/nano

Press enter to keep the default[*], or type selection number: 1

Furthermore, you may change the default text editor and apply it all across the system (for all users) or choose to change it for a particular user. Following is the procedure for the two :

A. System Wide

Run the following command and choose the one of your choice

$ sudo update-alternatives –config editor

B. User Level

If you are a user with limited privileges or a server admin who only wishes to change the text editor for particular users, you can add an alias for editor to for example vim.

For that purpose, you must Open and edit ~/.bashrc with adding alias editor=vim

You may test it now. Once you open a bash prompt, you’d see the editor has changed according to your preference.

If you need any assistance with this, please contact our support department via. online chat available at our website OR raise a ticket stating your requirements with the preferred text editor.

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How to Reset Plesk Admin Password Using Shell

Passwords are very case sensitive and most of the times it happens that users forgets important passwords. Here in this tutorial we are going to show how to reset plesk root password using shell and command prompt.

Reset Plesk Root Password with Shell : Plesk Linux

This can be done using the “ch_admin_passwd” binary.

[root@plesklinux root]# cd /usr/local/psa/admin/bin/

[root@plesklinux bin]# ./ch_admin_passwd —help

./ch_admin_passwd: Utility to set Plesk adminstrator’s password

Gets password from the environment variable PSA_PASSWORD

Password should be from 5 to 16 symbols and must not contain login name, whitespace, quotes or national characters

[root@plesklinux bin]# export PSA_PASSWORD=’newpass’

[root@plesklinux bin]# echo $PSA_PASSWORD
newpass

[root@plesklinux bin]# ./ch_admin_passwd

[root@plesklinux bin]# export PSA_PASSWORD=

[root@plesklinux bin]# cat /etc/psa/.psa.shadow
newpass

[root@plesklinux bin]#

Reset Plesk Admin Password Using Command Prompt: Plesk Windows

Plesk Windows Root Password can also be retrieved and reset with the help of the plesksrvclient binary located in the %plesk_bin% directory.

Open your Windows Command Prompt and type the following command and hit the Enter button:

cd %plesk_bin%

It will enter in to the directory where the Plesk’s Bin folder is located.

In order to get the existing root password, enter:

plesksrvclient.exe -get

It will show the existing password on a popup window. To copy it on clipboard click the Ok button.

To set a new password, enter above command without “-get”:

plesksrvclient.exe <NEWPASS>

It will enable you to insert a new desired password for your Plesk Admin login.

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