Functions can be performed using Tripp Lite Management Software, SNMP Network Management Software, a Web browser or Telnet/SSH. This User's Guide focuses on configuration and management offered through the web interface and Telnet/SSH. The web interface for LX Platform devices is known as the PowerAlert® Device Manager, or PADM, for short. Quality Web Hosting since 2001. Free Site Migrations, 99.9% uptime, 24/7 tech support, 15-minute response guarantee. Three datacenter locations. Up to 90% discount for resellers. In order to use SSH keys to connect to a remote computer, one must first create an SSH key pair on one's computer, then copy the public SSH key to the remote computer. You will create an SSH key pair on each computer that you want to SSH from. You can use the same public SSH key from one computer to connect to many others.
“You could take me out of Linux, but you can’t take the Linux out of me.”
—Jeffpro57
As half of the IT department for the firm, knowing how to SSH from Mac to Linux is a crucial skill. In fact, it’s the first step in administrating most Linux servers. If you don’t know how to do it already, the good news is that it’s an easy skill to pick up.
What is SSH?
SSH stands for “secure shell.” It’s a way for two computers to communicate with each other over a network with encryption. The ability to communicate like this allows access to computers that don’t have a keyboard, mouse, or monitor of their own — or even to computers in a completely different location.
In most cases, you will be trying to contact a Linux server. Since Mac and Linux are both Unix based operating systems, they communicate well together through SSH.
How to SSH from Mac to Linux
Step 1: Open a Terminal Window on your Mac
Hit command + space or click on the magnifying glass in the top right corner of your screen and search for “Terminal.”
Alternatively, you can look through your Applications in the Utilities folder to find the app. If you don’t already have the terminal in your dock, using spotlight is almost always the fastest option.
When you open the application, you’ll get a window that looks like this:
Step 2: Contact the Server
After you have your terminal window open, it’s time to contact the Linux server you’re trying to reach. The syntax for your command looks like this:
ssh [username]@[server domain name or IP address]
The [username] here is the username for a user registered on the server, not your Mac username.
If your server has a fully qualified domain name (FQDN) — that would be something like server.example.com — you can use that after the “@” symbol. Otherwise you’ll need to use the IP address. If the server is at a different location, you will need to know the external IP address unless you are connected to the same local area network (LAN) through a virtual private network (VPN).
If you are connected to the same LAN, either physically or virtually, you would enter the hostname as defined by the network or the internal IP address. For instance, if your network is set up under a 192.168.10.* schema, then your command might look like:
Ssh Mac Manual Software
ssh [email protected]
In this example 192.168.10.205 would be the internal IP address of the server as assigned by your network router.
Step 3: Password Authentication
If you reach the server, it will ask you for the password associated with the username you entered in step 2.
Enter the password and press enter.
Step 4: Administrate your Server
Once you’ve authenticated yourself, you can run the Linux server as if you were working with it directly.
If you need help with any other (Ubuntu) Linux or Mac commands, look around here on IT From Scratch or check out the man pages for commands you need to use.
man ssh
Once you’re done, you can simply type
exit
and press enter to log out of the server.
Now that you know how to SSH from Mac to Linux, you will be able to learn and practice a ton of other commands.
Are there any other commands you need help with?
Leave a comment below.
What is SSH? What is SFTP?
SSH (Secure Shell Protocol) is a secure replacement for telnet. Like telnet, SSH can be used to connect to a remote host computer using an account name and password. The advantages of SSH over telnet are:
- All information transmitted between your computer and the host is encrypted. This protects your password during login as well as information transmitted after logging in.
- If available, you can use a publicly published 'fingerprint' for a host's 'key' to verify the host's identity.
Make a Connection to a Remote Host
Ssh Mac Manual Pdf
- Open Terminal in the Applications > Utilities folder.
- Type ssh account_name@host_name in the terminal window, where account_name is your account name on the host and host_name is the host's full Internet name. Press the Return key. If you are connecting to apollo.sfsu.edu or libra.sfsu.edu then replace account_name with your SFSU email account name and replace host_name with either apollo.sfsu.edu or libra.sfsu.edu. For example, Jane Doe, with SFSU email account janedoe, would connect to host libra.sfsu.edu by typing:ssh janedoe@libra.sfsu.edu then pressing the Return key.
- The first time you connect to a host you will see a message similar to:
The authenticity of host 'libra.sfsu.edu (130.212.10.238)' can't be established.
RSA key fingerprint is 57:fe:4b:78:94:1e:8c:3d:28:ce:67:40:85:fe:24:85.
Are you sure you want to continue connecting (yes/no)?- Verify the host matches one of the following:
- online.sfsu.edu - updated 11/25/08
- 06:4e:57:ee:f5:c8:e7:c7:99:9a:e9:5f:95:88:53:a1
xunil-novip-mafuh-moduc-tunuk-dulyb-symen-hebim-tacec-kypiz-nyxax
- 06:4e:57:ee:f5:c8:e7:c7:99:9a:e9:5f:95:88:53:a1
- www.sfsu.edu - updated 11/25/08
- 73:c2:09:ec:f5:8a:a2:cf:d8:4e:34:bd:24:1f:b3:66
xepop-cigab-vokyd-tipyh-vadaf-sidez-cunat-sylol-befug-sikyf-rixex - a4:bd:6f:3c:61:5b:15:7b:da:ef:7f:1c:27:2a:8a:b2
xonob-likem-tunyg-semon-nogeb-bukag-hucos-zyzyg-mecih-zuvoh-lexix
- 73:c2:09:ec:f5:8a:a2:cf:d8:4e:34:bd:24:1f:b3:66
- online.sfsu.edu - updated 11/25/08
- If the fingerprints do NOT match, click the Cancel button to cancel your connection. Submit a Service Request. Mismatched fingerprints might mean that your connection has been compromised.
- If the fingerprints DO match, type yes then press the Return key. You will see a message similar to:
Warning: Permanently added 'libra.sfsu.edu,130.212.10.238' (RSA) to the list of known hosts.
- Verify the host matches one of the following:
- Type your password when prompted then press the Return key.
- Use the resulting SSH session the same way you would use a telnet session.
- When you are finished exit your SSH session, close your terminal window, then close Terminal.
What if the Fingerprints Matched Originally but They Don't Now?
Using the SSH client built in to Mac OS X you will you get a message similar to the following:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is 57:fe:4b:78:94:1e:8c:3d:28:ce:67:40:85:fe:24:85.
Please contact your system administrator.
Add correct host key in /Users/janedoe/.ssh/known_hosts to get rid of this message.
Offending key in /Users/janedoe/.ssh/known_hosts:1
RSA host key for libra.sfsu.edu has changed and you have requested strict checking.
Host key verification failed.
This either means that the host has a new key and the fingerprint has changed or that you are the victim of a man-in-the-middle exploit. In order to protect you, the Mac OS X SSH client will not let you complete the connection to this host until the old key is removed from your computer. If you determine that the host's key has been changed (see connection instructions for current keys), follow these steps to remove the old key:
Ssh Mac Manual User
- Open Terminal in the Applications > Utilities folder.
- Type open .ssh in the terminal window then press the Return key. This opens the .ssh folder which contains the file known_hosts.
- Drag known_hosts into the trash then close the .ssh folder.
- Close Terminal.
Ssh Settings Mac
Deleting known_hosts removes all host keys from your computer so all hosts you connect to will be treated as though you are connecting to them for the first time.