- Connect to a remote server - First, you need to identify the IP address or hostname of the remote server you want to connect to. This could be a cloud-based virtual machine, or a physical server located in a different office or data center. Once you have the IP address or hostname, you can use a tool like
ping
ortraceroute
to verify connectivity.
Example: If you want to connect to a remote server with IP address 192.168.1.100
, you would use the following command to ping it from your local machine:
1 | ping 192.168.1.100 |
If the server responds and you see a response like 64 bytes from 192.168.1.100: icmp_seq=1 ttl=64 time=0.564 ms
, then you know that you can communicate with it.
- Install and configure an SSH client - SSH (Secure Shell) is a secure protocol for connecting to remote servers. Most Linux and macOS systems come with an SSH client pre-installed, but Windows users may need to install an SSH client like
PuTTY
orOpenSSH
. Once you have an SSH client installed, you need to configure it with the IP address or hostname of the remote server.
Example: If you’re using the ssh
command on a macOS or Linux system, you can connect to the remote server with the following command:
1 | ssh user@192.168.1.100 |
Replace user
with your username on the remote server. You will be prompted for your password before the connection is established.
- Use basic SSH commands - Once you’re connected to the remote server with SSH, you can use a variety of commands to navigate the file system, run commands, and manage files on the remote server.
Example: Here are a few basic SSH commands that you can use on the remote server:
ls
- List all files and directories in the current directorycd
- Navigate to a different directorymkdir
- Create a new directorytouch
- Create a new filerm
- Delete a file or directorymv
- Move a file or directory to a new location
- Transfer files with SCP - SCP (Secure Copy) is a command-line tool that allows you to transfer files securely between your local machine and the remote server.
Example: To transfer a file named example.txt
from your local machine to the remote server, use the following command:
1 | scp example.txt user@192.168.1.100:/path/to/destination |
Replace user
with your username on the remote server, and /path/to/destination
with the path on the remote server where you want to copy the file to.
- Secure your SSH connection - To minimize the risk of unauthorized access to your SSH connection, you should take steps to secure it. This includes using strong passwords, enforcing two-factor authentication, and limiting access to trusted IP addresses.
Example: To enforce two-factor authentication on your SSH connection, you can configure your SSH client to use a public key as well as a password. This requires anyone connecting to the remote server to present both their password and their public key in order to be authenticated.