Nov 22, 2023 ... Creating an SSH key set provides you with a public and a private key. You can place the public key on a server, and then connect to it with a ...SSH Keygen là một cặp key gồm Public Key (khóa công khai) và Private Key (khóa cá nhân) được sử dụng để xác thực người dùng khi truy cập vào một máy chủ thông qua giao thức SSH.. Nếu như Public Key được chia sẻ và lưu trữ trên máy chủ, thì Private Key được bảo mật trên máy tính của người dùng để đảm bảo tính ... Installing the Public Key as an Authorized Key on a Server. With both Tectia SSH and OpenSSH servers, access to an account is configured by generating a public key, copying the public key to the server, and adding the public key to a ~/.ssh/authorized_keys file. To extract the public key, use: puttygen -L keyfile.ppk By default, SSH key management is decentralized and complex. With UKM, you manage and discover all authentication keys, key configurations, and SSH login files in a centralized, universal SSH key manager. You can also automate SSH key processes, like provisioning, rotation, remediation, etc. 3. Secure and track your encrypted M2M connections.If you’ve recently had an encounter with your Generation Z kids or grandkids and had absolutely no idea what was being said, then you’re not alone. Like kids of every generation, y...If your private SSH key doesn't have a passphrase just specify empty SSH_KEY_PASSPHRASE argument. This is how it works: 1). On the first stage only package.json, yarn.lock files and private SSH key are copied to the first intermediate image named sources. In order to avoid further SSH key passphrase prompts it is …In Linux, creating a public/private SSH key is easy. Open a terminal. Type: ssh-keygen -t rsa. Alternatively, you can also use the DSA (Digital Signing Algorithm) technology to create the public/private key. ssh-keygen -t dsa. Note: there has been much debate about the security of DSA and RSA. In my opinion, unless you are very particular …Press enter to accept the default key and path, /c/Users//.ssh/id_rsa. Enter and re-enter a passphrase when prompted. The command creates your default identity with its public and private keys. 2.Configuring tortoise-git. Load the ssh key generated previously(id_rsa). it will prompt you to select the file. (default path of the ssh keys C:\Users ...If the Gen 2 is the same as the original key, the SSH password is not any of the default passwords once it’s configured. It’s a random generated long value unless you set it during the initial install wizard or you changed it after the fact via the controller GUI. You can set it to use your ubnt account credentials but again, you have to do ...To use the Azure CLI 2.0 to create your VM with an existing public key, specify the value and optionally the location of this public key using the az vm create command with the --ssh-key-values option. In the following command, replace myVM, myResourceGroup, UbuntuLTS, azureuser, and mysshkey.pub with your own values: …Jul 20, 2022 ... Пользователи Linux могут сгенерировать ключ командой ssh-keygen . Даже если не указывать никаких параметров, всё сохранится так, как надо. В ...ssh-copy-id -- use locally available keys to authorise logins on a remote machine. Use ssh-copy-id on Server 1, assuming you have the key pair (generated with ssh-keygen ): ssh-copy-id -i ~/.ssh/id_rsa user@server2_hostname. Now you should be able to ssh into Server 2 with ssh using the private key.Propagating the public key to a remote system. If password authentication is currently enabled, then the easiest way to transfer the public key to the remote host is with the ssh-copy-id command. If you used the default name for the key all you need to specify is the remote user and host: $ ssh-copy-id [email protected] 10, 2021 · Using SSH Key for authentication. The SSH public key authentication has four steps: 1. Generate a private and public key, known as the key pair. The private key stays on the local machine. 2. Add the corresponding public key to the server. 3. The server stores and marks the public key as approved. 42. The ssh-keygen tool from openssh can do this for you. The following command will convert the .pub file into the pem format for you. ssh-keygen -f rsa.pub -e -m pem. The ssh-keygen also supports conversion into various other formats, for …PuTTY Key Generator Tool. Having downloaded and launched the PuTTY Key Generator tool we first have to select what type of key to generate along with a key size. SSH-2 RSA is strongly recommended as the key type. In terms of key size it is important to understand that a larger key provides ‘extra’ security at the cost of …To use the Azure CLI 2.0 to create your VM with an existing public key, specify the value and optionally the location of this public key using the az vm create command with the --ssh-key-values option. In the following command, replace myVM, myResourceGroup, UbuntuLTS, azureuser, and mysshkey.pub with your own values: …Generate SSH key with Ed25519 key type. You’ll be asked to enter a passphrase for this key, use the strong one. You can also use the same passphrase like any of your old SSH keys.Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.Boats move near a container ship as it rests against wreckage of the Francis Scott Key Bridge on Tuesday, March 26, 2024, as seen from Dundalk, Md. The ship … In the upper-right corner of any page, click your profile photo, then click Settings. In the "Access" section of the sidebar, click SSH and GPG keys. Click New SSH key or Add SSH key. In the "Title" field, add a descriptive label for the new key. For example, if you're using a personal laptop, you might call this key "Personal laptop". To generate an SSH key pair on Windows using PuTTYgen, perform the following steps: Launch PuTTYgen by double-clicking on its “.exe” file or by going to the Windows Start menu → PuTTY (64-bit) → PuTTYgen. In the “Type of key to generate” block leave the default RSA. In the “Number of bits in a generated key” field leave the ...Mar 4, 2022 ... Add SSH Key - New Dashboard · Log in to your Pantheon Dashboard. · Go to your Personal Settings, then go to the SSH Keys tab. · Click Add New&n...Gen Z is changing things when it comes to shopping habits. To help brands market to them, here are 5 things they will spend on in 2022. Trusted by business builders worldwide, the ...To generate an SSH key of type ed25519, we invoke the ssh-keygen command with a -t flag as follows: $ ssh-keygen -t ed25519 -C "unique name to identify this key". The default key size is 256 bits. To use higher bits, you can use the -b flag as the following: By default, SSH keys are placed in the ~/.ssh/ directory, but this is optional …How to Generate SSH Keys for Linux. Open a terminal and enter the following command to generate a pair of keys (assuming your local computer runs Linux): ssh-keygen -t rsa. Note: you might need to choose a filename and file save destination depending on your version of Linux. And here’s the default path for the saved keys:Generate a GitLab SSH key pair on your personal computer. Copy the value of the public SSH key. Log into GitLab and navigate to your account’s Preferences tab. Click the ‘Add new key’ button in the SSH Keys tab. Paste the public key in as the value and set an expiration date. Copy the SSH URL of the GitLab repo you wish to clone.There’s a good chance you’ve been using SSH (Secure Shell) to access your Linode from your computer. In this video, we’ll cover how to generate and use SSH K...6 days ago · Click Add SSH key. A pop-up will appear asking you to give a Name for where the SSH key is saved. In the SSH public key box, copy and paste the content of the id_ed25519.pub file there. Once done, click Add SSH key. If the SSH key authentication is successful, you’ll see the keys displayed like so: Important! Realme GT Neo 6 SE is expected to launch in April in China. Ahead of the launch, the rumor mill is working hard to leak key details about the device. Leaked …ssh-keygen is the utility used to generate, manage, and convert authentication keys for SSH. ssh-keygen comes installed with SSH in most of the operating systems. ssh-keygen is able to generate a key …Researchers are retiring labels like "Gen Z," "millennial," and "boomer," but marketers will likely hold fast to them Hi Quartz members! Generation Z is dead. Or, more accurately, ...Mục lục1 Kiểm tra SSH key2 Cách generate SSH key3 Cách thêm SSH key vào Github4 Kiểm tra kết nối SSH Bằng cách sử dụng SSH protocol bạn có thể kết nối đến các Github mà không cần phải cung cấp thông tin đăng nhập (username, password). Để thêm SSH key vào Github trước tiên các bạn cần phải đảm bảo rằng mình đã generate ...By default, SSH key management is decentralized and complex. With UKM, you manage and discover all authentication keys, key configurations, and SSH login files in a centralized, universal SSH key manager. You can also automate SSH key processes, like provisioning, rotation, remediation, etc. 3. Secure and track your encrypted M2M connections.If you're trying to perform an SSH-related operation and get the following error: $ git fetch. no such identity: <ssh key path>: No such file or directory. You can remove the missing SSH key from your SSH agent with the following: $ eval `ssh-agent -s` # start ssh agent. $ ssh-add -D <ssh key path> # delete ssh key.PuTTYgen is an key generator tool for creating SSH keys for PuTTY.It is analogous to the ssh-keygen tool used in some other SSH implementations.. The basic function is to create public and private key pairs. PuTTY stores keys in its own format in .ppk files. However, the tool can also convert keys to and from other formats.An alternative to using the base64 command (which may not be available) is to use something like sha256sum (or md5sum, sha1sum, etc) to generate a passphrase that is hex. Something like the following would work: dd if=/dev/urandom bs=32 count=1 2>/dev/null | sha256sum -b | sed 's/ .*//'. This generates a passphrase with 256 bits of entropy. 为了向 Git 服务器提供 SSH 公钥，如果某系统用户尚未拥有密钥，必须事先为其生成一份。. 这个过程在所有操作系统上都是相似的。. 首先，你需要确认自己是否已经拥有密钥。. 默认情况下，用户的 SSH 密钥存储在其 ~/.ssh 目录下。. 进入该目录并列出其中内容 ... Jul 16, 2021 · To generate an SSH key pair, open up the terminal and type in the following command: ssh-keygen -t rsa. Just press enter when it asks for the file, passphrase, or same passphrase. The command generates a pair of keys in the ~/.ssh directory by default. You now have two files: id_rsa (Private Key). Step 1 — Creating the Key Pair. The first step is to create a key pair on the client machine (usually your computer): ssh-keygen. By default recent versions of ssh-keygen will create a 3072-bit RSA key pair, which is secure enough for most use cases (you may optionally pass in the -b 4096 flag to create a larger 4096-bit key). O agente SSH gerencia suas chaves SSH e lembra sua frase secreta. Se você ainda não tem uma chave SSH, você deve gerar uma nova chave SSH para usar para a autenticação. Se você não tem certeza se já tem uma chave SSH, você pode verificar se há chaves existentes. Para obter mais informações, confira "Verificar se há chaves SSH". Cách thêm SSH Key vào trong VPS. Bây giờ hãy đăng nhập vào VPS với user mà bạn cần thêm key (thường thì là root, nhưng nếu VPS bạn có nhiều user thì sẽ cần thêm key cho tất cả user đó). Sau đó gõ các lệnh dưới đây để tạo thư mục .ssh/ và file authorized_keys trong thư mục đó ...Thêm SSH Key cho Gitlab. Thêm SSH Key cho github. Pull và Push GIT sử SSH Key không cần mật khẩu. Home; Press ESC to close. Kiến Thức Lập Trình. 55386 5. Cách tạo SSH Key và sử dụng nó với Gitlab và Github. Hôm nay mình sẽ hướng dẫn các bạn tạo SSH Key cho Gitlab và …On the first line, enter ssh-rsa. Make sure you add one space after ssh-rsa. When you copy/paste the key into the Key textbox it should preserve the \n characters (x0A). If you are using Notepad on Windows, you won't see these new lines until you copy the text to Github.You must start ssh-agent (if it is not running already) before using ssh-add as follows: eval `ssh-agent -s` # start the agent. ssh-add id_rsa_2 # Where id_rsa_2 is your new private key file. Note that the eval command starts the agent on Git Bash on Windows. Other environments may use a variant to start the SSH agent.13. -t and -b are the parameters that go with the ssh-keygen utility. -t (type) Specifies the algorithm to be used for generating the keys. Algorithms available are - rsa , dsa , ecdsa. -b (bits) Specifies the no. of bits for the key size. These were 1024, 2048 earlier. 2048 * 2 = 4096 is considered strong.SSH keys provide a secure way of logging into a virtual private server with SSH than using a password alone.DESCRIPTION. ssh-keygen generates, manages and converts authentication keys for ssh (1). ssh-keygen can. create keys for use by SSH protocol versions 1 and 2. Protocol 1 should not be used and is. only offered to support legacy devices. It suffers from a number of cryptographic.then you can just ssh via hostname. Generate a rsa key pair for vagrant authentication ssh-keygen -f ~/.ssh/vagrant. You might also want to add the vagrant identity files to your ~/.ssh/config. For some reason we can't just specify the key we want to insert so we take a few extra steps to generate a key ourselves.Generate SSH Keys on Linux. In order to generate SSH keys for your Git repository, use the “ssh-keygen” command and specify the encryption algorithm that you want to use. $ ssh-keygen -t rsa -b 4096 -C "[email protected]"Note that it is recommended to generate your SSH keys in the “.ssh” directory of your home directory. When using the ssh-keygen …The private SSH key file, which we later on register on our own PC. The public SSH key file, which we later on store on our server. On a Linux system, you can find SSH keys in the .ssh directory of your home folder. Before we generate the SSH key pair, we first make sure that this directory exists and set it as the current directory: mkdir ~/.sshthen you can just ssh via hostname. Generate a rsa key pair for vagrant authentication ssh-keygen -f ~/.ssh/vagrant. You might also want to add the vagrant identity files to your ~/.ssh/config. For some reason we can't just specify the key we want to insert so we take a few extra steps to generate a key ourselves.在提示符下，键入安全密码。 有关详细信息，请参阅“使用 SSH 密钥密码”。 > Enter passphrase (empty for no passphrase): [Type a passphrase] > Enter same passphrase again: [Type passphrase again] 将 SSH 密钥添加到 ssh-agent. 在向 ssh 代理添加新的 SSH 密钥以管理您的密钥之前，您应该检查现有 SSH 密钥并生成新的 SSH 密钥。Private Keys in SSH. In SSH, a private key is used for authenticating computers and users.A host key authenticates servers, and an identity key serves as an authentication credential for a user. Together they are called SSH keys.. SSH keys grant access to servers, similar to user names and passwords. Therefore, they should be part of identity and access management in enterprises.New keys are generated in the SSH Tectia Configuration tool. Select the Keys and Certificates page under User authentication and click New Key ... On the Key Generation - Generation page the computer will generate your key files. This can take several minutes, depending on the chosen key length and the processor speed of the computer. [email protected]'s password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh '[email protected]'". and check to make sure that only the key(s) you wanted were added ...New researh shows that more than half of Generation Z and Millennials have made a purchase based on the recommendation of a CGI influencer. Some 42% of Generation Z and Millennials...1 Answer. Sorted by: 1. Do not specify the custom name under the -t tag. Simply run ssh-keygen -t ed25519 Then, you will be prompted to enter the file path. The default, of course, is ~/.ssh/id_ed25519. Instead, enter the path with your custom file name, for example ~/.ssh/my_custom_id_ed25519. Now, you will have another key created …How SSH keypairs work. SSH keys are used as login credentials, often in place of simple clear text passwords. They work in pairs: we always have a public and a private key. The private key must remain on the local computer which acts as the client: it is used to decrypt information and it must never be shared. The public key, on the other …Key Takeaways. Gen Z is the generation that was born from 1997 to 2013. 57% of Gen Z would abandon a 9-to-5 to be a social media influencer. Online side …While Gen Z students expect they'll have loan debt after they graduate from college, they underestimate how long it'll take to pay them off. By clicking "TRY IT", I agree to receiv...Generating an SSH keypair is a very simple operation: all we have to do is to use the ssh-keygen utility. The easiest way to perform the operation is just to invoke the …Jan 2, 2024 · The key files are stored in the ~/.ssh directory unless specified otherwise with the --ssh-dest-key-path option. If an ssh key pair already exists and the --generate-ssh-keys option is used, a new key pair won't be generated but instead the existing key pair will be used. In the following command, replace VMname, RGname and UbuntuLTS with your ... Verify which remotes are using SSH. Run git remote -v in your shell or use a GUI client instead. Visit your repository on the web and select Clone. Select SSH and copy the new SSH URL. In your shell run git remote set-url <remote name> <new SSH URL> for each remote of a repository you wish to update.In the IAM console, in the navigation pane, choose Users, and from the list of users, choose your IAM user.. On the user details page, choose the Security Credentials tab, and then choose Upload SSH public key.. Paste the contents of your SSH public key into the field, and then choose Upload SSH public key. Copy or save the information in SSH Key ID …In addition to being able to use the GnuPG Keys tool to generate a gpg key, you can also use SSH. Generating a new Gnupg (gpg) key. Log into your account via ssh. Type the Command: gpg --gen-key. It will walk you through a few steps (all are fairly self-explanatory): Select Encryption Type. Enter Key Size (1024 is standard) Enter Expiration …As someone who knows little about cryptography, I wonder about the choice I make when creating ssh-keys. ssh-keygen -t type, where type is either of dsa,rsa and ecdsa.. Googling can give some information about differences between the types, but not anything conclusive. So my question is, are there any "easy" answers for developers/system …ssh-keygen = the program used to create the keys. -m PEM = format the key as PEM. -t rsa = type of key to create, in this case in the RSA format. -b 4096 = the number of bits in the key, in this case 4096. -C "azureuser@myserver" = a comment appended to the end of the public key file to easily identify it.An SSH key is an access credential, similar to a password, used in the SSH protocol. SSH keys grant, automate and enable remote access to the digital core of nearly every enterprise. They enable major financial institutions, global industrials, tech giants and governments to function securely. SSH founder, Tatu Ylönen, invented the SSH (Secure ... 为了向 Git 服务器提供 SSH 公钥，如果某系统用户尚未拥有密钥，必须事先为其生成一份。. 这个过程在所有操作系统上都是相似的。. 首先，你需要确认自己是否已经拥有密钥。. 默认情况下，用户的 SSH 密钥存储在其 ~/.ssh 目录下。. 进入该目录并列出其中内容 ... The command below generates the error. sh.exe": syntax error near unexpected token '(' I am using Windows XP. $ ssh-keygen -t rsa -C "[email protected]" …Years before she was cleaning up at the Emmys, Zendaya Coleman began her career as a backup dancer and model. If you’ve ever looked at photos from the Met Gala or any red-carpet ev...Linux. Use the ssh-keygen command to generate a public/private authentication key pair. Authentication keys allow a user to connect to a remote system without supplying a password. Keys must be generated for each user separately. If you generate key pairs as the root user, only the root can use the keys. What are SSH Keys ? SSH keys str key pairs based on public key infrastructure (PKI) technology, they are used for digital identity authentication and encryption, to provide a secure and scalable method of authentication. Which is the best Type for generating keys ? We recommend using the Type ed25519 for generating key. How to generate Github ... In today’s fast-paced digital world, retailers are constantly on the lookout for innovative ways to attract and retain customers. One such method that has gained immense popularity...Aug 22, 2023 · ssh-keygen command to Generate SSH Keys. The ssh-keygen command generates, manages and converts authentication keys for ssh client and server usage. Type the following command to generate ssh keys (open terminal and type the command): $ ssh-keygen Generate SSH keys looks as follows: Generating public/private rsa key pair. 2. SSH is enabled. UniFi Network devices and UniFi Consoles (Dream Machines, Cloud Keys, etc.) have independent SSH settings. UniFi Consoles: SSH is disabled by default. To enable it, navigate to UniFi OS > Console Settings > SSH. UniFi Network Devices: SSH is enabled by default. The credentials consist of a random string of characters. Step 1 — Creating the Key Pair. The first step is to create a key pair on the client machine (usually your computer): ssh-keygen. By default recent versions of ssh-keygen will create a 3072-bit RSA key pair, which is secure enough for most use cases (you may optionally pass in the -b 4096 flag to create a larger 4096-bit key).
[email protected]'s password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh '[email protected]'". and check to make sure that only the key(s) you wanted were added .... M j trimming
Here is the command. ssh-keygen -t rsa -b 4096 -C "[your github's email]" # Creates a new ssh key. # Generating public/private rsa key pair. This will generate a key for you. You have to copy that and insert into your Github's account (just one time). Steps how to do It. Share.The key used by ssh is just base64 encoded, i don't know M2Crypto very much, but after a quick overview it seems you could do what you want this way: import os. from base64 import b64encode. from M2Crypto import RSA. key = RSA.gen_key(1024, 65537) raw_key = key.pub()[1] b64key = b64encode(raw_key)Sep 24, 2020 · To generate an SSH key pair, use the following command: [user@host ~]$ ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/home/user/.ssh/id_rsa): Enter Created directory '/home/user/.ssh'. In the upper-right corner of any page, click your profile photo, then click Settings. In the "Access" section of the sidebar, click SSH and GPG keys. Click New SSH key or Add SSH key. In the "Title" field, add a descriptive label for the new key. For example, if you're using a personal laptop, you might call this key "Personal laptop". I get error: "Failed to connect. Please check the SSH log of the target device or try the Compatibility Mode of the sensor's SSH engine and consider updating the target system's operating system. Reason: ssh_connect failed". On remote computer ( CentOS release 6.7 (Final), OpenSSH_5.3p1, OpenSSL 1.0.1e-fips) i get this error:Feb 3, 2022 ... So what is the recommended SSH key generation algorithm? The two most popular options for key generation are either rsa or ed25519 . The ed25519 ...If the Gen 2 is the same as the original key, the SSH password is not any of the default passwords once it’s configured. It’s a random generated long value unless you set it during the initial install wizard or you changed it after the fact via the controller GUI. You can set it to use your ubnt account credentials but again, you have to do ...70. Trying to generate a key for a server. gpg --gen-key. We need to generate a lot of random bytes. It is a good idea to perform some other action (type on the keyboard, move the mouse, utilize the disks) during the prime generation; this gives the random number generator a better chance to gain enough entropy. and it just hangs there.Dec 15, 2021 · Step 1 — Creating the Key Pair. The first step is to create a key pair on the client machine. This will likely be your local computer. Type the following command into your local command line: ssh-keygen -t ed25519. Output. Generating public/private ed25519 key pair. Gen X and Millennials are on track to have far fewer assets in retirement than even spendthrift boomers. By clicking "TRY IT", I agree to receive newsletters and promotions from Mo...DotNet Core SSH KeyGen. After searching around for a solution to creating SSH keys using C# and dotnet core I came across the following stackoverflow posts which explain how to convert from RSACryptoServiceProvider to values suitable for use with ssh. Supported Platforms.NET 4.5 (Desktop / Server).NET Standard 2.0.NET Standard …Gen Z is leaning into personal finance in a very unique way. Is it sustainable? By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I a...Tectia SSH also supports certain other formats. To convert an existing PuTTY private key for Tectia or OpenSSH, use the command: puttygen keyfile.ppk -O private-openssh -o keyfile. Then copy keyfile to the .ssh directory on the host where Tectia or OpenSSH will be run. Command Line Options. The basic command line of PuTTYgen: To generate a certificate for a specified set of principals: $ ssh-keygen -s ca_key -I key_id -n user1,user2 user_key.pub $ ssh-keygen -s ca_key -I key_id -h -n host.domain host_key.pub Additional limitations on the validity and use of user certificates may be specified through certificate options. A certificate option may disable features of ... If you want to read up on SSH keys in general, here’s some information; here you can find information on how to generate a ssh key pair from the console (using ssh-keygen).If you’re on Windows and would prefer a GUI here’s a tutorial for using Putty and Puttygen, that @DavidFW1960 suggested.. All of the pages linked to above refer to …Here is the command. ssh-keygen -t rsa -b 4096 -C "[your github's email]" # Creates a new ssh key. # Generating public/private rsa key pair. This will generate a key for you. You have to copy that and insert into your Github's account (just one time). Steps how to do It. Share. Before adding a new SSH key to the ssh-agent to manage your keys, you should have checked for existing SSH keys and generated a new SSH key. Start the ssh-agent in the background. $ eval "$(ssh-agent -s)" > Agent pid 59566. Depending on your environment, you may need to use a different command. Sep 30, 2010 ... copy the contents and go to your github account go to settings under Account settings>SSH and GPG keys click on New SSH key , provide the name ...42. The ssh-keygen tool from openssh can do this for you. The following command will convert the .pub file into the pem format for you. ssh-keygen -f rsa.pub -e -m pem. The ssh-keygen also supports conversion into various other formats, for …Mar 16, 2023 · ssh-keygenとは. ssh-keygenは、SSH（Secure Shell）プロトコル用の鍵ペアを生成するコマンドラインツールです。 公開鍵認証方式を使用してリモートマシンへの接続をセキュアに行うために使用されます。 ssh-keygenを使って鍵を作成する方法 鍵ペアの生成 Ví dụ: ssh -i .ssh/quan [email protected] -p 2210 . Trong đó: ssh -i: cú pháp thực hiện.ssh/quan: đường dẫn đến fike private key, và ở đây private key của mình tên là quan; root: tên user; @103.110.84.109: IP máy chủ-p 2210: option và Port ssh, ở đây mình đổi port ssh mặc định là 22 thành 2210.