SSH (Secure SHell) is a protocol for running commands on a remote computer.

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4
votes
8answers
789 views

Write a remote managing script

I need to be able to locally run a script that will connect to various servers and run commands on them. What is the best way to accomplish this?
4
votes
5answers
1k views

How does ssh -X function?

When using ssh -X is the executable copied and run locally or is it run on the host machine. Since it is called X11 forwarding it makes me think that the window is drawn on my machine but running on ...
17
votes
3answers
8k views

How can I determine if someone's SSH key contains an empty passphrase?

Some of my Linux & FreeBSD systems have dozens of users. Staff will use these "ssh gateway" nodes to SSH into other internal servers. We're concerned that some of these people use an unencrypted ...
94
votes
6answers
55k views

Keep SSH Sessions running after disconnection

I sometimes have long running processes that I want to kick off before going home, so I create a SSH session to the server to start the process, but then I want to close my laptop and go home and ...
7
votes
4answers
5k views

How can I set up smart card SSH authentication?

I would like to be able to SSH to my machine using a Gemalto .NET Smart Card as the authentication method. How could this be done on a Fedora 13 (or generic Red Hat style) machine? These are the ...
5
votes
5answers
560 views

Sftp interface to Scp

I have a linux based router that doesn't have the SFTP server installed. More specifically, when I sftp user@ipaddress I get a sh: /user/libexec/sftp-server: not found error. My interest isn't trying ...
37
votes
5answers
36k views

scp without replacing existing files in the destination

How do I copy an entire directory into a directory of the same name without replacing the content in the destination directory? (instead, I would like to add to the contents of the destination folder) ...
11
votes
3answers
12k views

SCP from one server to another without password prompt

What is the best way of doing SCP from one box to the other without prompting for password? There are two servers: Server A (10.152.2.10): /home/oracle/export/files.txt Server B (10.152.2.11): ...
13
votes
6answers
6k views

How do I copy all files and directories except certain ones over ssh?

Using the Linux command line, I use the scp command to copy up all the files and folders from a certain directory. However, I don't like to consume wasted bandwidth for copying up things I rarely ...