Archive for dedicated server hosting

Creating files in SSH results in “Internal Server Error (500)” accessing the file

This is because the file is owned by root and not by the user that the file is created under, for example an account you had set up through WHM. To change ownership of the file to the specific account, use:

chown username:usergrouup filename.extension

If you had set up the account via WHM, you’d change username:usergroup to the username of the account, such as:

chown wpress:wpress index.html

 

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How to change the port of SSH connections?

Ensure you change the port for SSH connections to one that is not currently used. For example, port 25 is commonly for SMTP.

First you need to add the new port to CSF. Login to WHM and find ConfigServer Security&Firewall. We’ll need to edit the firewall configuration file, so select the Firewall Configuration button. Add a port number of your choice to the end of the allowed incoming TCP port connections (TCP_IN). The default standard port number for SSH is 22.

Once that’s done, scroll to the bottom and save the changes. It will prompt you to restart several services for the changes to take effect, press the button to restart those services.

Afterwards, go into SSH and login as usual. We want to edit the SSH configuration file:

vim /etc/ssh/sshd_config

Remove the hash on “Port 22″ and change 22 to the port number you added to the CSF configuration file. If you are not familiar with vim, to edit a line press the i key on your keyboard. To save the changes, press the Esc key after changing the port number and type :wq which saves the changes (w) and quits vim (q).

Afterwards, restart sshd using:

service sshd reload

To connect to SSH afterwards, use -p x replacing x with the applicable port number.


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Offsite Backup Hosting Solution based on R1Soft’s CDP Technology

We have always guide you and even recommended you many times that, it is highly important to take backup of your server. It is very essential to backup every single bit of your information (data), and if you really wish to play a safe game, then make sure you create backups of your existing backups.

One of the best useful and secured way of doing backup is through the offsite backup solution which uses the R1Soft’s CDP solution. We have already explained how to use the R1Soft’s CPD Solution to backup your data. If you don’t know, visit the following Offsite Backup Hosting Tutorials.

1. Creating a Backup (Policy) in R1Soft CDP 3 Enterprise Edition
2. Restoring Backup in R1Soft CDP 3.0 Enterprise Edition
3. Restoring cPanel Shared and Reseller Hosting R1Soft Daily Backups via cPanel

There are various benefits of using the R1Soft CDP based offsite backup hosting solution.

Automated Backups – The R1Soft CDP 3.0 Enterprise Edition allows you to schedule a recurring backup and create one time backup task which is executed automatically by the R1Soft Agent. In order to backup the data on a different physical location, specific steps has to be performed which are shown in the “Creating a Backup (Policy) in R1Soft CDP 3 Enterprise Edition” tutorial. Once the backup process is completely, the agent will send an email to the owner.

Incremental Backup – The feature incremental backup work by performing a periodic full backup. Basically, this feature copies only the changes to files made since the last full or incremental backup run. The incremental backup helps in saving the network Input/Output and storage consumed over the complete backup.

Differential Backup – This feature works by performing a complete backup and then takes one or multiple differential backup, where each differential backup is nothing but the difference between the backup run and the original full backup. The main benefit of differencial backup is that to restore the state of files, the full backup and single differential backup is needed. The only disadvantage of differential backup is that compared to the incremental backup it consumes more storage space.

Multi-Point Replication – It is an in-built function in CDP 3.0 Enterprise Edition, used to create multiple backup replicas of your servers (ie. you can make multiple copies of the selected Disk Safes). The most important thing is that while creating multiple backup replicas, the R1Soft Backup Agent is not impacted at all.

Bare Metal Restore – It is just a process of reformation of a server from scratch after an extremely harmful failure. Usually, the process of reformation of a server consists of typical things such as reinstallation of OS, software applications, etc… and then restoring the data and server settings. But, with the R1Soft’s CDP Bare Metal Restore function, you can restore the servers directly from the Disk-based Backup stored on the offsite servers. There is no need to follow the typical methods of reforming the server.

End-to-End Strong Encryption – R1Soft based offsite backup plans ensures that your server data stays encrypted until the last moment when it is being decrypted before written to the hard drive you are restoring to.

Restore Specific Files/Folders – The R1Soft based Offsite Backup solution allows you to restore specific files and folders safely from the disk safe to the host you are restoring to with an end-to-end strong encryption until it is decrypted to the host hard drive.

The flexible and on-demand offsite backup solution ensures that your data is continuously protected and gives you a peace of mind knowing that your data is safe.

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When Do You Need to Setup a Dedicated Server Room?

Setting up a dedicated server room becomes mandatory, when your office is equipped with multiple servers and due to its heat and continuous droning become distracting. In fact, even without the irritations of a nearby server stack, it is better to provide the servers a dedicated space.

It is a fact that, noise pollution from even a retiring server installation can be very much diverting in a small office environment. By dedicating a specific space to those machines (servers), you are not only able to decrease the irritating noise but it also helps in creating a more productive staff.

By dedicating a space for servers out of your main office, you can also restrict the number of employees and staff members who will actually have access to the company’s sensitive data. And since the servers are placed in a locked room, the access to the servers and equipment can be controlled easily.

Another factor that creates issues for most of the small companies is the heat that comes from the servers. A dedicated server room lets you to have a better control over the air conditioning and place advanced fire prevention systems in the room. You can cool down the hot running systems simply by putting the air conditioning and fire prevention systems. Putting such advanced systems in the server room might seem to be expensive, however the expense is worth when it comes to security and safety of your sensitive data for business continuity.

In fact, the server overheating issues have risen a lot, as many vendors integrate faster processors in a smaller server which leads to the overheating issue. Particularly, it is the most common case in the blade servers, as (a) lot of things come in a compact package.

Most of the companies invest in more advanced equipment such as Air conditioning, ceiling and floor coolers with redundant power supplies. But, this is not the case with small and medium sized companies as generally they don’t have many servers. However, cooling is still a concern which should be taken seriously.

Before you decide to plan a dedicated server room, the most important thing that should be considered is the Size (Space). You need to plan it properly before setting up a dedicated server room. There should be adequate space in the room, so that it can hold the necessary equipment  such as tapes, fans, and disks for backups. On a serious note, never keep your data backup system (server) in the server room. The backup server should be placed at a separate location to provide full data protection in the event of data loss such as fire, flood or any other disaster.

Also, ensure that the dedicated server room has excess space so that the servers can grow easily in numbers and avoid the further expense of constructing a new server room for extra servers.

The server room should have redundant battery backups and electrical outlets so that it powers not only the servers but also the air conditioning and fans. It is always a good idea to have redundant systems so that the occasional spike couldn’t affect the performance of the servers.

Along with the power issues, it is highly important to keep the dedicated server room environment neat and tidy. It is a fact that the fans and air conditioners placed in the server room have the ability to blow-up the dust particles which may create damage to the sensitive equipment. To avoid such issues, many companies put air filters to decrease the flow of airborne dust. This investment is also worth to consider when setting up a dedicated server room.

Though server room setup seems to be expensive, however when it comes to data security and safety the investment is worth. Setting up a dedicated server room not only protects your company’s sensitive data but also increases company productivity by creating a more comfortable work environment for your employees.

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Dedicated Server Terms and Important Features

Following are some of the crucial terms and features in respect to the services that you should consider when planning to purchase a dedicated server hosting plan:

Setup Fee: It is an additional fee, charged only to the first month, that represents to the initial server configuration. However, most of the Uk web hosting providers do not charge the setup fee and is totally done free of cost.

Ready to go: A pre-configured web server, which is ready for immediate hiring, unlike most other plans, where there is a period of up to 48-72 hours for setting up the server before delivery. Usually, as I have already mentioned that these plans are not charged a setup fee.

Monthly Charge: It is a monthy fee (rental) for using the allocated server resources.

Additional Charge: It is an additional fee that is charged every month. It is generally applied to the additional items and upgrades done on the dedicated server, such as requesting a second hard drive.

Bandwidth: Generally, the term “bandwidth” is used to represent the connection speed, but in the case of a dedicated server it is used to represent the share of traffic. A server with “2000 GB of bandwidth” is not a server with a link to 2TB, but with a share of a 2TB of traffic per month, which equates to 6.17 megabits a link used 24 hours a day. Exceeding the allocated share of traffic can cost you affectionately, because the additional traffic is charged as per megabyte that is downloaded.

Port Speed: This is the speed of the “Switch Port” where the server is connected, ie, corresponds to the speed of the link used by him. Usually when buying a dedicated server plan you have the option to select the port speed such as 10, 100 or 1000 megabits. Some Uk Data Center may offer intermediate velocities like 20 and 50 megabits). It is highly crucial to notice that the port speed offered is not associated to the share of traffic. Using a 100 megabits port, for example, you guarantee that the server can use more bandwidth at peak times, but if the quota of monthly traffic is exceeded, you will need to pay for additional bandwidth (ie. traffic).

Unmetered Bandwidth: Represents to a plan offering unlimited data transfer (ie. bandwidth), where the only thing that is limited is the port speed on the switch. Basically, these unmetered plans are ideal for site providing downloads and web servers that offer large files.

Managed Hosting: Most of the web hosting companies offer unmanaged dedicated server plans, which simply means that all the server configuration depends on you. You are the one who is responsible to configure the server, except for the initial setup done before delivering the server. Whereas, the Dedicated Web Hosting UK plans are fully managed and includes additional technical support and customization services, and are much more cost-effective.

KVM over IP: One of the biggest issues in managing a dedicated server is that it is highly impossible to solve any issues when you disconnect the servr from the network. If an issue in the module that activates the network card which causes it to stop responding, or a minor fault in any board or switch board that disconnects the server, it will simply stops responding and you may need to open a support ticket for the Data Center team to check the exact issue and fix it asap.

KVM is a kind of device that lets you to link up with multiple machines using a single keyboard, mouse and monitor, so that you are able to switch between the machines. KVM over IP is great development of technology, which allows the KVM to connect to the network, so you can access the local interface of your dedicated server (including setup, boot options and graphical environment) remotely.

The dedicated server is straightly connected to the KVM via video cables, mouse and keyboard and not through the network interface. This permits you to access the server via KVM even if the network connectivity is disconnected. Along with the troubleshoot, KVM lets you to reinstall the server operating system remotely if required.

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