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Is there a good PuTTY (free telnet / ssh client) equivalent for OS X?

I know that I can just use terminal and an ssh command, but I want some sort of application that will store connection info, passwords, logs, etc for me, much like PuTTY.

Does this exist?

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Technically, SSH does all that by means of ssh_config (~/.ssh/config), but I'll keep my neckbeard at bay and understand that editing a plain text file with a defined format is not for everyone. I give PuTTY a lot of credit for it's setup (and a lot of grief too, admittedly). –  Jason Salaz Oct 25 '12 at 20:34
    
I'm not able to locate this file. Could you expand on this as an answer? This could be a viable solution. –  Steve Robbins Oct 31 '12 at 19:09
    
It isn't free, but many formers co-workers of mine swore by JellyFiSSH for managing connection info. It's currently $4 in the Mac App Store. –  Jason Salaz Nov 2 '12 at 11:48
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6 Answers

up vote 10 down vote accepted

PuTTY is a great Windows frontend, not to mention the need for an SSH client in the first place. On Linux, OS X, and most other UNIX-y based environments, SSH is generally purely command line, but still amazingly powerful.

The SSH client allows you to store an amazing amount of properties based on a given hostname, even global defaults, in the "ssh_config" client file. This file doesn't exist by default (per the comments on the question), but should be written at ~/.ssh/config.

That path equates to:
~, your home directory, it expands on my system to /Users/jason.
.ssh, the leading dot makes it hidden. If you're in Terminal and in your home directory, you can simply run cd .ssh and enter it.
config is the file name, it is a plain text file with configuration parameters.

I use this file to control tunnels I always use, the private key needed for the connection, the username (if it differs from my local username), etc.

See the manpage, either via man ssh_config on your own machine which will contain the most appropriate version, or you can view it online from OpenBSD's Site.

Some example contents from my ssh config file are:

ControlMaster auto
ControlPath ~/.ssh/sockets/master-%r-%h-%p
VisualHostKey yes

Host serve
    Hostname 8.8.8.8
    User        jason
    IdentityFile ~/.ssh/id_rsa
    LocalForward 5901 localhost:5901

Whitespace is purely personal preference, it is not required at all.

The first three lines are global properties, they affect every SSH connection. The second section is a host-specific configuration.

The Host line specifies the host tag you will use when invoking ssh. Ex. ssh serve. When running that, it loads all the properties listed until the next Host line.

Since serve is not necessarily a DNS name, I specify the Hostname that it should actually connect to (no, not actually mine). User is self explanatory and there just to be explicit, and the IdentityFile is the path to the Private Key file it uses to connect.

Lastly, LocalForward sets up a port forwarding rule that I send through the SSH tunnel.

The various syntaxes are all documented on the man page.

There is no mechanism for defining a plain text password. Password entry is ALWAYS interactive when setting up the SSH connection. If you want to log in automatically, set up Private Key Authentication. Storing plain text passwords is stupid, always.

I use this to great effect. And the best part? All your SSH configurations are incredibly portable, it's just one file that you have to backup/retain, and move between system to system! Not so portable to Windows, but who really likes dealing with the registry anyway?

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I have no experiences with this App: ZOC - I only did a quick Google on "OS X telnet GUI" and got a link to this product as the first hit - but it seems to do the same as PuTTY.

There is a 30 days trial available.

ZOC is a professional SSH/telnet client and terminal emulator. With its impressive list of emulations it lets you easily connect to hosts and mainframes, using communication methods like secure shell, telnet, serial cable or modem/isdn.

Its sleek user interface has many ways of making your life easier. In its own way, ZOC is the Swiss Army Knife of terminal emulators: versatile, robust, proven.

Key Benefits:

  • Tabbed sessions with thumbnails
  • Customizable to meet your preferences and needs
  • Scripting language with over 200 commands
  • Compatible with Windows 7 and OS X Mountain Lion
  • Administrator friendly (deployment, configuration)
  • Now $79.99 with attractive bulk discounts

Key Features:

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You might want to consider:

Spackle (free, SourceForge link)

This is a Java-based version of PuTTY, available for Mac and Linux.

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Jason's answer is definitely the way to go, but I'd like to point out a feature of Terminal that may be useful.

Within Terminal, you can make a direct connection to a remote machine similar to the way PuTTY does, without first opening a terminal window on the local machine. Simply select Shell->New Remote Connection... (cmd-shift-K). In the window that pops up, you can add any SSH server to the right-hand column, including aliases defined in the ~/.ssh/config file.

Using Jason's example, you would select "Secure Shell" as the service on the left, and then add "serve" to the list of servers on the right.

In the future, you can open the dialog box (much like the main PuTTY window) and double-click the entry for the server you want to connect to. The only difference between this and PuTTY is that you put custom configuration settings in the ~/.ssh/config file, which I see as a huge advantage.

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Yes. There is new kid in town:

http://www.royaltsx.com/main/home.aspx

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Could you expand on this answer? Adding more information about what this program does and how it answers the question would be good. From a brief look at the site, it appears to be more of a remote desktop client. If it does SSH, that's great, but some more information would improve this answer. –  robmathers Oct 25 '12 at 20:47
    
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. –  patrix Oct 26 '12 at 4:39
    
-1 not even good information there (not even sure it's an ssh client). still beta, preorder. –  Grezgory Jun 12 '13 at 12:13
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We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

vSSH is a PuTTY-based OS X app.

  • Can almost everything that PuTTY can
  • Multi-tab multi-window interface
  • Macros support (you shell scripts as menu items for quick access)
  • iCloud synchronization (connections, macros and keys) with vSSH and SSH control apps for iOS

Available on the Mac AppStore.

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Welcome to Ask Different! Please read the help center regarding self-promotion and include a disclaimer if you are the author of the product in your answer. –  grgarside 10 hours ago
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