In the previous article, you learned how to connect your server using ssh with the PEM key. In this article, we will show you how you can use the same SSH key, PEM file to securely transfer files using SFTP.

SFTP(Secure File Transfer Protocol), also known as the SSH File Transfer Protocol. It is a secure way to transfer files between your local system and remote server. It is more secure than FTP protocol and supports all the features of FTP. Not only that, but it runs over the SSH protocol, Hence using the same SSH port 22 by default.

You need to set PEM file permission before you use SFTP in the command line.

Run the following command to check file permissions:

[root@rockylinux-8 ~]# ll demo.pem
-rw-r--r-- 1 root root 1700 Dec 12 13:45 demo.pem

We need to change PEM file permissions to 400, to do so run the following command in terminal:

[root@rockylinux-8 ~]# chmod 400 demo.pem
[root@rockylinux-8 ~]# ll demo.pem
-r-------- 1 root root 1700 Dec 12 13:45 demo.pem

sftp -i your_PrivateKey.pem <user>@<public ip>

The following command will show you how to connect via SFTP.

Note: replace your server IP and PEM key in the above command:

[root@rockylinux-8 ~]# sftp -i demo.pem ubuntu@34.238.250.210
Connected to ubuntu@34.238.250.210.

Next, We will show you basic commands to transfer files to the remote server using the SFTP command.

Type the following command to get help at the command prompt. This command will show you a list of all the available commands for SFTP.

sftp> help
Available commands:
bye                    Quit sftp
cd path                Change remote directory to 'path'
chgrp [-h] grp path    Change group of file 'path' to 'grp'
chmod [-h] mode path   Change permissions of file 'path' to 'mode'
chown [-h] own path    Change owner of file 'path' to 'own'
df [-hi] [path]        Display statistics for current directory or
                       filesystem containing 'path'

File-path is very useful for upload or downloading files/directories between the local system and remote system.

To know, Local present working directory, run 'lpwd' command and run 'pwd' command to know the Remote working directory.

sftp> lpwd
Local working directory: /root
sftp> pwd
Remote working directory: /home/ubuntu

lpwd - Print the current directory on your system

pwd - Print the current directory on the remote server

sftp> lls
demo.pem  localfile_example.txt  original-ks.cfg

Using the 'put' command, you can upload a file to the remote directory.

sftp> put localfile_example.txt
Uploading localfile_example.txt to /home/ubuntu/localfile_example.txt
localfile_example.txt                                                                                            
     100% 0  0.0KB/s   00:00

You can use a wildcard before the file name to upload multiple files at the same time.

sftp> put *.txt
Uploading localfile_example.txt to /home/ubuntu/localfile_example.txt
localfile_example.txt                                                                                            
     100% 0  0.0KB/s   00:00    
Uploading localfile_example1.txt to /home/ubuntu/localfile_example1.txt
localfile_example1.txt                                                                                           
     100% 0  0.0KB/s   00:00    
Uploading localfile_example2.txt to /home/ubuntu/localfile_example2.txt
localfile_example2.txt                                                                                           
     100% 0  0.0KB/s   00:00    
Uploading localfile_example3.txt to /home/ubuntu/localfile_example3.txt
localfile_example3.txt                                                                                           
     100% 0  0.0KB/s   00:00

You can resume file download also by using 'reput' command:

Transfer your files securely SFTP, using SSH key, PEM file | Detailed Manual

How To Securely Transfer Files Using SFTP

OpenVPN is an open-source protocol that creates a secure tunnel between your device and the VPN server. OpenVPN sends encrypted data over the internet. It is one of the most reliable and widely used protocols for VPN connection.

OpenVPN uses SSL/TLS for key exchange. OpenSSL library’s encryption, authentication, and SSL certificate make VPN connection more secure.

OpenVPN supports industry-standard 256-bit AES encryption.

Any new vulnerabilities are quickly fixed due to the sizeable

Let’s create our first OpenVPN server at Digital Ocean.

I assume that you already have an account.

Sign in and click the “Generate New Token” button, as shown below.

Next, enter the Token name and select the token expiry term you’d like to set from the drop-down menu. It’s very important to check the Write permission. This allows TryDirect to create a Droplet in your account.

Now, click the “Generate Token” button to create an API token.

Copy and save the Token. You will need to provide this token later.

Next, log in to the TryDirect dashboard using https://try.direct/sign_in. If you don't have a TryDirect account, SIGN UP for a new account using https://try.direct/sign_up

After login, click the 'STACKS' option from the top menu, search for OpenVPN, and click it.

You will see the OpenVPN page with a description. Find the 'DEPLOY TO' button on this page, click it and select 'DIGITAL OCEAN' as shown in the below screenshot.

Next, you will be redirected to “OpenVPN—New Deployment.” Enter your domain name and your Digital Ocean API Token, which you had created earlier. Here the "BASE DOMAIN NAME" and "ADD PERSONAL ACCESS TOKEN" are mandatory. Fill in all the details required on this page.

Then select the data center region where you want to deploy the OpenVPN server.

Next, choose the server from a list and select features per your requirements.

Your OpenVPN server deployment started. It will take around 15 minutes.

At the same time, you will see a new droplet created on your Digital Ocean account.

Once the OpenVPN setup process is completed, a detailed information menu will pop up.

You will receive a notification email from TryDirect that contains a deployment-configs PDF file, the key PEM file of your server and OpenVPN configuration file with ovpn extension.

Download your “ovpn” file and save the file somewhere on your system. You will need this “ovpn” file later for the OpenVPN connection.

Now, you need to install the OpenVPN client for your OS

Go to https://openvpn.net/community-downloads/ and Download OpenVPN client.

Next, install the OpenVPN client on your system.

What is OpenVPN. How to deal with OpenVPN

What is OpenVPN

Adding a public key to your server is an important step for enhancing security and enabling secure, password-free logins using SSH (Secure Shell).

Generate a Key Pair: Use ssh-keygen to create a new SSH key pair if you don't already have one. This includes both a public and a private key.

Locate the Public Key: Use cat ~/.ssh/id_rsa.pub to display your public key. This key needs to be copied to your server.

Copy the Public Key to Your Server: Use the ssh-copy-id command or manually append the public key to the ~/.ssh/authorized_keys file on your server.

Test Your Connection: Attempt to SSH into your server using ssh your_username@your_server_ip to confirm that you can log in without a password prompt, verifying that the setup was successful.

Here’s a step by step guide on how to do it, explained in simple terms:

If you do not already have an SSH key pair (which consists of a public and a private key), you will need to create one. On your local computer, open a terminal or command prompt and run the following command:

-t rsa specifies the type of key to create, in this case RSA.

-b 2048 specifies the key length, with 2048 bits being a good balance of security and performance.

Follow the prompts to specify where to save the key (by default, this is in the .ssh directory under your user directory) and whether to secure the key with a passphrase.

Once the key pair is generated, you need to find your public key. It’s usually named id_rsa.pub or similar, located in the .ssh directory. You can display the key with the command:

This command prints the contents of your public key file. It will look something like this:

Step 3: Copy the Public Key to Your Server

To enable authentication with your public key, you need to add it to a special file in the user account you are using on the server. This file is located at ~/.ssh/authorized_keys.

You can copy the public key to your server by using the ssh-copy-id command. Replace your_username@your_server_ip with your actual username and server IP address:

If ssh-copy-id is not available, you can manually add the key by appending it to the authorized_keys file. You can do this by running:

This command connects to your server, creates the .ssh directory if it doesn’t exist, and appends the public key to the authorized_keys file.

Finally, test your SSH connection to ensure that the key has been added successfully and you can log in without a password (unless you set a passphrase, which you will need to enter):

If everything is set up correctly, you should be logged into your server without needing to enter your user password.

Permissions: Make sure that the .ssh directory and the authorized_keys file on the server have strict permissions set. This can be done using:

Security: Always keep your private key secure and never share it. Use a strong passphrase for an extra layer of security.

Security Enhancement: Adding your public key to the server's authorized_keys enables secure, password-less authentication, which is more secure against brute-force attacks than password-based login methods.

Permissions: Ensure that the .ssh directory and the authorized_keys file on the server have proper permissions set to prevent unauthorized access. This means setting the directory to 700 and the file to 600.

Private Key Safety: The private key should remain confidential and never be shared. Securing it with a passphrase provides an additional layer of security.

Convenience and Efficiency: Using SSH keys speeds up the login process and can facilitate automated processes by allowing scripts and programs to securely access the server without manual password entry.

Learn how to securely add a public key to your server with our comprehensive guide. Enhance your server's security and simplify authentication processes effortlessly

Learn how to securely add a public key to your server with our comprehensive guide. Enhance your server's security and simplify authentication processes effortlessly.

How to add public key to your server

Many Linux users have used the 'ifconfig' command as a primary tool for obtaining network information. However, this command is now obsolete, and we now have the 'IP' command in its place. The 'IP' command has many features compared to the old 'ifconfig' command. Today, you will learn how to use it through practical examples

The IP command is part of the iproute2 package. This package is present in all modern Linux distributions and is easy to use.

The general syntax of the IP command is as follows:

In this syntax, we must know that `OBJECT` refers to what we want to configure with the IP command. Some of these are:

link (l): For the configuration of network interfaces.

address (a): edit and display IP addresses.

You can get help with each of these objects, for example:

So, let's start working with the IP command.

1. Show the IP address of the network interfaces

One of the most common uses of the IP command is to display the IP address of network interfaces. To achieve this, run the following command:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp1s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 54:e1:ad:6d:9f:49 brd ff:ff:ff:ff:ff:ff
3: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether cc:2f:71:e9:45:4e brd ff:ff:ff:ff:ff:ff
inet 192.168.51.232/24 brd 192.168.51.255 scope global dynamic noprefixroute wlp2s0
valid_lft 2359sec preferred_lft 2359sec
inet6 2401:4900:1954:ff53:57cd:d9d1:ed2a:282b/64 scope global dynamic noprefixroute
valid_lft 3507sec preferred_lft 3507sec
inet6 fe80::9efe:aa76:2250:d18b/64 scope link noprefixroute
valid_lft forever preferred_lft forever

There you will have information about each of the network interfaces. The output shows the IP address, broadcast, status, and many more things.

You can also choose the network interface to display.

You will get the same information as retrieved by the previous command but limited to the interface.

2. Assign an IP address to a network interface

Execute the following syntax to assign an IP address to a network interface of the computer:

3. Remove an IP address assigned to a network interface

To revert to the previous step, you have to run:

It is easy to revert the changes this way.

4. Enable and disable a network interface

Thanks to the IP command, you can easily enable a new network interface. To complete this, you have to run:

To display the routing table that exists on the system using the IP command, you have to run the following command:

ip route show

Output:
default via 192.168.1.1 dev enp0s3 proto dhcp metric 100
192.168.1.0/24 dev enp0s3 proto kernel scope link src 192.168.1.21 metric 100

Moreover, it is possible to show the route of a single IP address. Execute the following command to do this:

6. Add and remove a static route with the IP command

We can also add a static route manually, the same as with the IP address. To achieve this, you have to run the following command:

ip route add [route] via [ip-address] dev [interface]

ip route add 192.168.1.0/24 via 192.168.1.1

How to use IP command in Linux. Detailed guide & practical examples.

Many Linux users have used the ifconfig command as a primary tool for obtaining network information. However, this command is obsolete, and we now have the IP command in its place. The IP command has many features compared to the old ifconfig command. Today, you will learn how to use it by practical examples.

IP command In Linux With Usage Examples | Guide 2022

Over the past few years, we have been steadily migrating from local systems to the cloud for data storage and processing. IT leaders and their line-of-business counterparts choose cloud providers as their local platform to enable ubiquitous access to shared pools of storage, networks, servers, and applications.

Cloud solutions do not require traditional IT costs, hardware, and software. The cloud model outsources all non-core business tasks, saving capital investment and support. Public cloud users can get the IT resources they need, and even the entire virtual data center, at a small price and pay only for what they use.

The world's use of technologies, such as virtualization, edge computing, and containerization, is growing. This trend increases the cloud costs accordingly. Research from Gartner shows that cloud users spent around $ 332.3 billion on cloud providers' plans in 2021. This is 23.1% more than $ 270 billion the year before. However, as the transition to on-demand accelerates, IT accelerates & SME CEO faces confusing supplier options.

Our team has compiled a list of some of the most popular cloud providers currently available to help you make the right decision. Check this detailed analysis of all the pros and cons and choose the best mobility source for you and your business.

Alibaba Cloud offers a wide range of cloud-based products and technologies for businesses, accompanied by high-quality services. However, its web hosting plans are somewhat limited compared to its competitors.

Alibaba Cloud offers live chat, a ticketing system, and toll-free assistance, as well as various types of self-service. In addition to a decent knowledge base created recently, a document center, blog, helpful FAQ sections, forums, and highly detailed step-by-step tutorials are all provided with photos.

Alibaba Cloud is developing a range of high-performance cloud products with large-scale computing, storage resources, and big data processing skills for users. These give a full suite of security compliance solutions in China, that could stimulate your company’s success.

Alibaba Cloud provides cloud auditing and monitoring tools for continuous and automated security inspections aimed to decrease compliance risks.

Their focus is the regulatory demands of the financial services sector to support highly regulated customers in Southeast Asian countries.

Alibaba Cloud offers its customers a free trial of plans worth up to $ 1300, but this seems to be sufficient only if the registration period is less than a year. In addition, you can choose from over 20 products that are permanently free.

Amazon Web Services (AWS) Cloud is a broader cloud computing platform, a portfolio of cloud computing solutions used individually or collectively. The AWS cloud is designed for IT managers and development teams. It provides containers, load balancing, VPC, and hybrid storage solutions in addition to Basic cloud computing services.

AWS offers mobile, developer and management tools, IoT, security, and enterprise apps. You can get the highest control level using multiple administrative controls accessible through a secure web client. Tools available at AWS cloud include identification management, auditing, encryption/control/storage, monitoring, and logging.

The performance of AWS was almost the same as that of other cloud services during our tests. The tests used Geekbench 4 from Prime Labs, a cross-platform benchmarking app designed to treat all platforms equally regardless of the operating system. They ran the test on a VCPU running Microsoft Windows Server 2016 and 2 gigabytes (GB) of RAM. This benchmark has run many numbers, floating points, and memory tests. At this reference point, the higher the score, the better the result.

In general, it’s a complex task to create a clear and convenient cloud services pricing. Usually there is a huge number of options, each of them at its own price, so first you have to decide what exactly you are looking for. Amazon has price calculators to help you, but they are also complicated.

Contabo (former Giga-International) is a hosting provider from Germany. Advanced VPS (Virtual Private Server), VDS (Virtual Dedicated Server), and Dedicated Server Hosting are its main activity directions. This review will focus on its VPS services and analyze pricing, performance, security, and more.

You can only reach the Contabo support team via phone and email from 8 am to 11 pm. Fortunately, Contabo has a comprehensive knowledge base with extensive articles on almost any topic related to cloud hosting.

It's fair to say that the provider has good reliability and speed performance, considering its affordable price. Sure, it's not the industry-leading performance, but it's still good overall.

Joint, VDS, and dedicated plans are not too expensive. However, VPS is still cheaper. VPS hosting packages start at $ 6.99 / mo. Other options include shared hosting (3.99 / month), VDS ($ 49.99 / month), and dedicated servers ($ 139.99 / month).

Using this cloud provider isn't rocket science. You can easily manage your infrastructure due to the intuitive UX. The pricing is predictable and simple, offering you monthly and flat pricing options. There is also free 24-hour technical support at your disposal.

Digital Ocean provides scalable solutions for builds and releases acceleration. You can pay for the flexible server configurations using pricing to performance or predictable pricing across regions and usage.

You can choose from multiple types of storage according to your needs. There are options available for any amount of data in the cloud.

Digital Ocean provides several means of your app's traffic control and protection, like:

You no longer need to build and run your database server. The combination of core VM platforms, MongoDB, MySQL, PostgreSQL, and Redis databases will take the operational demands on for you.

Programmatically manage resources and integrate them throughout the developer ecosystem.

Digital Ocean’s pricing is very affordable compared to other clouds. For example, you get 1GB RAM, 1 CPU, 25 GB SSD Disk, and 1000 GB Transfer for just 5$ per month ($0.007 per hour). The basic plan has a shared CPU. You can calculate the price according to the services you need using the pricing calculator.

DigitalOcean employs high-performance SSDs to offer an outstanding hosting atmosphere. Their basic plan of 1vCPU, 1GB memory did well with managing the traffic without slowing down. The consumer can extend the hosting capacities by adding RAM, CPU, or even storage. This way, companies can instantly scale without bothering about slowing down or malfunctions.

DigitalOcean gives customer support through its ticketing policy. That can be considered an advantage as tickets usually take time to acknowledge. If you want immediate customer support via mobile or chat, then DigitalOcean is not suitable for you.

However, they give sufficient documentation to find answers to most of your queries.

In 2018, Hetzner Cloud was the highest value VPS provider out there. We think this is still relevant today. Currently, several providers are close in price, but Hetzner still looks like the best choice for us.

Though Hetzner has block storage, it does not provide object storage. Block storage can be mounted as a volume, while object storage is similar to Amazon S3.

Hetzner Cloud offers full-featured and customizable solutions for any budget, so choosing one of them won't take too long. You can select the appropriate package according to your requirements.

There’s not much information about speed on Hetzner's website, but the Data Center section promises "fast load times and best performance.”

You can reach the support team of Hetzner's Cloud via ticket/contact forms and phone. Provider's customers can also benefit from live chat. General inquiries are processed via email.

The minimum contract period at Hetzner Cloud is replaced with an hour-based fee for those who use the provider's server for less than a month. The user can choose from multiple dedicated servers, custom solutions, VPS packages, shared hosting, collocations, and other services.

Linode aims to boost cloud innovation making virtual computing more available, straightforward and cost-efficient. Linode's solutions enable users to easily build, deploy, and scale applications in the cloud. Cloud provider's infrastructure platform with next-generation networks and advanced APIs works across 11 global markets from data centers worldwide. Customers can access a vast library of educational resources when the need arises.

Linode's diverse solutions (e.g., intuitive cloud managers, full-featured APIs, flat pricing, etc.) enable everyone to scale their app in the cloud.

Thanks to its wide network across 11 Global markets and strong inter-machine communication, Linode Data Center reduces delays and scale friction.

The Linode support team is known for its velocity, responsiveness, and technical accuracy. You can seek their help via any communication channel you prefer: tickets, emails, phone calls, or social media.

Linode took the path of servers, hosting, and computing services optimization. Thus the cloud provider grants outstanding performance at an affordable price.

Meaningful cloud for customers is the core of the mission Scaleway chose for itself. With flexible, reliable, and cost-effective storage, computing power can operate on an achievable energy level. Scaleway's customers can benefit from:

an advanced ecosystem with S3 compatibility

up-to-date support for Kubernetes, Terraform, and presentations

What are the Top Cloud Providers. Popular cloud solutions' strong points.

Cloud solutions do not require traditional IT costs, hardware, and software. The cloud model outsources all non-core business tasks, saving capital investment and support. Public cloud users can get the IT resources they need, and even the entire virtual data center, at a small price and pay only for what they use. 

Best Cloud Providers in 2022

🚀 Exciting News Update from TryDirect!


We're excited to share the news that FastAPI is now accessible for deployment on the TryDirect platform.

Simplifying the journey, TryDirect orchestrates a comprehensive VPS server setup, complete with all essential software. 

This empowers developers to seamlessly initiate their FastAPI projects in their favored cloud environment.

FastAPI, a globally acclaimed Python web framework, has ushered in a transformative paradigm shift for Python software development. Its exceptional speed and user-friendly design have revolutionized the process of API creation. Witness the remarkable transformation first-hand today! 🌐

Additionally, we recommend incorporating Portainer CE and Nginx Proxy Manager into your FastAPI deployment strategy. This integration empowers developers to proficiently manage Docker containers while effortlessly configuring domain and SSL settings. By embracing these tools, you'll optimize your management workflow and elevate your deployment experience. 🛠️🌐🔒

Deploy FastAPI on your own VPS in few clicks, test, play

FastAPI is now accessible for deployment on the TryDirect platform.

FastAPI has arrived!

Exciting tidings await as we unveil remarkable news! We're thrilled to announce the availability of OpenResty, the dynamic web platform integrating Nginx and LuaJIT, for seamless deployment on your preferred cloud infrastructure, courtesy of TryDirect.

Are you a developer or a pioneering startup in pursuit of a rapid, adaptable, and user-friendly platform that simplifies the creation of web applications and services? Look no further, for OpenResty is your unparalleled answer.

This is your golden opportunity to propel your projects to new heights. Venture to our website to discover the wealth of captivating details on harnessing the enchantment of OpenResty. Let's embark on a shared journey of crafting web development into a truly delightful and seamless experience! 🌐🌟

Deploy OpenResty to your own VPS in one click, play, test and learn it.

 We're thrilled to announce the availability of OpenResty, the dynamic web platform integrating Nginx and LuaJIT, for seamless deployment on your preferred cloud infrastructure, courtesy of TryDirect

OpenResty is ready for deployment

SSL Certificates have become a modern necessity. Organizations operating online need to add them to their website for secure transactions and user information. They are also good at keeping cyberattacks at bay.

However, not many people are familiar with the ways to get an SSL certificate. And those who are, don’t know how to check their SSL certificate’s validity. All these small problems lead to major inconveniences.

This article aims to tell you more about Let’s Encrypt and Certbot and the most efficient method of checking the SSL certificates’ installation and validity.

Let’s Encrypt is a free and automated authority that provides TLS/SSL certificates to a compatible client. You can use them for data and communication encryption for your website users.

Let’s Encrypt is developed by the Internet Security Research Group (ISRG). The main purpose of these digital certificates is to enable HTTPS for websites at no cost. 
On the other hand, the paid certificates’ market is quite vast.

Let’s Encrypt offers two types of certificates:

Both of them are issued for 90 days and renewed automatically after installation.

These certificates are domain-validated and do not require a dedicated IP address. Let’s Encrypt provides a more straightforward way of receiving certificates. It does not involve any charges, email verifications, etc., and is fully automated. All you have to do is start the enrollment process.

Certbot is a command-line client app that fetches a certificate from Let’s Encrypt—an open certificate authority launched by the EFF. It deploys the certificates to a web server after getting them It is an easy-to-use client that works in five simple steps:

Install the Certbot, which is packaged in most Linux distro repositories.

Post-configure your web server if needed.

Enable the Automatic Certificate Renewal.

Restart the web server after the renewal.

These SSL/TLS certificates are deployed to your web server automatically. You can also set this process to fetch only the latest version by using Certbot-auto.

Another well-known term related to Certobot is the Webroot Certbot. It works by assigning public availability to a folder. The name Webroot comes from the procedure behind this plugin: the client places the file and pings a server to fetch it. You have to specify the web-serving root during the process. 
All the issued certificates can be found in:

It provides a command-line interface, good with HTTP website with port 80 open.

You can choose from various servers, including virtual private server, dedicated server, and cloud-hosted server, accessible with SSH.

All of the Certbot certificates are auto-renewable after every 60 days.

The Best Ways to Check if an SSL Certificate is Installed and Valid

The first method includes a Linux command line.

You have to start with the verification status code. It shows whether the certificate is installed or not. The verification code “0” means the process was successful. 
However, if you see “20” as status, the certificate is not configured correctly. You will also get an error: ‘unable to get local issuer certificate.’ 
Next, check your certificate’s path using the command line below. It will help you find out whether it is valid or not.

$ openssl s_client -connect www.yourwebsite.tld:443

You will get the location as -CApath /etc/ssl/certs/

$ openssl s_client -connect www yourwebsite.tld:443 \

The path will be shown as: -CAfile /etc/ssl/certs/ca-certificates.crt

You will see the option to verify the hostname with the result. “0” status code means the verification was successful. If there’s an error, you will get a return code: 62, along with the error ‘Hostname Mismatch.’

Sometimes, you will also see the option to verify a certificate that has been issued to an IP address instead of a hostname. For this, you will need to use –verify_ip switch. It will check the IP address and show the successful results.

Here, you will see a list of certificates. These are the ones listed in the store. Navigate through the legitimate ones to find out which of them are installed. 
Though seeming simple, this method is very time-consuming.

Start with going to sigcheck and Press Download.

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