Best SSH Tools for Ubuntu Servers to Buy in December 2025
1/8" MIPS Coin Key Radiator Air Vent Bleeder and Valve Key Plumbing Fitting
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Tool Box Foam Organizer 16x20x2 Inch Cuttable Polyurethane Craft Shadow Foam Pads Tool Box Insert Drawer Thick Liner Kit (3 Pack)
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USB to RJ45 Console Cable 2pack, Essential Tool for Cisco, NETGEAR, Ubiquiti, LINKSYS, TP-Link Routers/Switches Connection, Compatible with Windows, Mac, Linux Laptops
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KOTTO Helping Hands Soldering, Third Hand Soldering Tools PCB Holder Four Arms Helping Hands Crafts Jewelry Hobby Workshop Helping Station Non-slip Steel Weighted Base
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Festool 577530 SSH-STF Delta StickFix Sanding Pad for DTS 400 Sander
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Draper SSH Scaffold Spanner Holder
- PREMIUM HEAVY-DUTY LEATHER FOR UNMATCHED DURABILITY AND STYLE.
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Tool Box Foam Organizer 16x20x2 Inch Cuttable Polyurethane Craft Shadow Foam Pads Tool Box Insert Drawer Thick Liner Kit (2 Pack)
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SUPERIOR ORGANIZATION: CUSTOMIZABLE FOAM SHEETS KEEP TOOLS NEATLY STORED.
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CUSHIONING PROTECTION: QUALITY MATERIALS SAFEGUARD ITEMS FROM DAMAGE.
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VERSATILE USE: IDEAL FOR CRAFTS, PACKAGING, AND DIY PROJECTS!
Silver Solder Paste 0.25 ozt (Hard) - SFC Tools - SOL-725-SSH
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To enable SSH on an Ubuntu server, follow these steps:
- Open the terminal on the server machine.
- Install the OpenSSH server if it is not already installed by running the following command:
sudo apt-get install openssh-server
- Once the installation is complete, the SSH service will start running automatically.
- You can verify the status of the SSH service by running the following command:
sudo service ssh status
- By default, SSH listens on port 22. If you want to change the default port, you can modify the SSH configuration file by running the following command:
sudo nano /etc/ssh/sshd_config
In the file, locate the line that specifies the port and change it to your preferred port number. Save the changes and exit the editor.
- To apply the changes, restart the SSH service by running:
sudo service ssh restart
- SSH should now be enabled on your Ubuntu server. You can connect to the server remotely using an SSH client.
Note: It is recommended to keep the SSH service up to date with the latest security patches and follow best practices to secure your server.
What is SSH?
SSH stands for Secure Shell. It is a cryptographic network protocol used to establish a secure connection between a client and a server, allowing for secure remote access and data communication. SSH encrypts the data being transmitted through the network, making it resistant to unauthorized interception or eavesdropping.
SSH is commonly used for remote administration of systems and secure file transfers. It provides authentication and encryption mechanisms to ensure the confidentiality, integrity, and authenticity of the data being transmitted.
Can SSH be used for file transfer?
Yes, SSH (Secure Shell) can be used for file transfer. The most commonly used tool for file transfer over SSH is SCP (Secure Copy Protocol), which allows secure copying of files between a local host and a remote server or between two remote servers. SCP uses SSH for authentication and encryption to ensure secure file transfers.
How do you check if SSH is already enabled on your Ubuntu server?
To check if SSH is already enabled on your Ubuntu server, you can use the following steps:
- Open a terminal on your Ubuntu server.
- Type the following command and press Enter: systemctl status sshd This command will display the current status of the SSH service. If SSH is enabled, you will see the status as "active" or "running." If SSH is not enabled, you will see the status as "inactive" or "not running."
Additionally, you can also check the status of the SSH service by running the following command:
sudo service ssh status
This will provide you with the same information as above.
If SSH is not enabled, you can enable it by running the following command:
sudo systemctl enable ssh
After executing this command, SSH will be enabled on your Ubuntu server.
Can the SSH server banner be customized?
Yes, the SSH server banner can be customized. The banner message is displayed to the connecting clients when they establish a connection to the SSH server. The process to customize the SSH server banner usually involves editing the SSH server's configuration file.
The exact steps to customize the banner may vary depending on the SSH server software you are using. However, in most cases, you can locate the SSH server configuration file (commonly named sshd_config) and add or modify the Banner directive. The Banner directive specifies the path to the file containing the banner message.
For example, you can create a text file with the desired banner message and then specify its path in the configuration file:
Banner /etc/ssh/banner.txt
After making the changes, you need to restart the SSH server for the modifications to take effect.
It is essential to note that there may be legal or organizational restrictions on what can be included in the SSH server banner. Always ensure that the customized banner complies with applicable policies and regulations.
Can SSH access be restricted based on time of day?
Yes, SSH access can be restricted based on the time of day using tools like firewall rules or using the "AllowUsers" or "AllowGroups" directives in the SSH server configuration file. These options allow administrators to define specific time ranges during which SSH access is permitted or denied for specific users or groups. By configuring these rules, administrators can strengthen security by limiting SSH access only to certain time periods, reducing the attack surface and potential risks.
Why would you want to enable SSH on an Ubuntu server?
Enabling SSH (Secure Shell) on an Ubuntu server provides several benefits:
- Remote administration: SSH allows you to connect to your Ubuntu server remotely using a secure encrypted connection. This way, you can administer your server from any location without physically being present.
- Secure data transfer: SSH provides a secure channel for transferring files between local and remote systems. You can securely copy files to and from your server using tools like SCP (Secure Copy Protocol) or SFTP (SSH File Transfer Protocol).
- Command-line access: SSH allows you to access the command-line interface of your server remotely. This can be helpful for troubleshooting, running scripts or programs, and performing various administrative tasks.
- Encrypted communication: SSH uses strong encryption algorithms to protect the data transmitted between the client and server. This ensures that no sensitive information, such as login credentials or data transferred over the network, can be easily intercepted or compromised.
- Firewall-friendly: SSH typically uses TCP/IP port 22, which is commonly allowed through firewalls and routers. Enabling SSH allows you to bypass potential network restrictions and access your server securely.
Overall, enabling SSH on an Ubuntu server enhances security, convenience, and flexibility in managing and accessing the server remotely.
What is the default SSH port number?
The default SSH port number is 22.