Questions tagged [ssh]
Secure Shell; a network protocol that allows data transfer over a secure channel between two networked devices.
10,857 questions
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How to tell git which private key to use?
ssh has the -i option to tell which private key file to use when authenticating:
-i identity_fileSelects a file from which
the identity (private key) for RSA or DSA authentication is read.
The ...
- 13.2k
776
votes
16
answers
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Why does macOS keep asking for my SSH passphrase ever since I updated to macOS Sierra (10.12)?
It used to remember the passphrase, but now it's asking it to me each time.
I've read that I need to regenerate the public key with this command, which I did:
ssh-keygen -y -f id_rsa > id_rsa.pub
...
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527
votes
16
answers
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How to fix warning about ECDSA host key
I'm trying to setup password-less SSH on an Ubuntu server with ssh-copy-id myuser@myserver, but I'm getting the error:
Warning: the ECDSA host key for 'myserver' differs from the key for the IP ...
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495
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18
answers
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Windows SSH: Permissions for 'private-key' are too open
I've OpenSSH 7.6 installed in Windows 7 for testing purposes. SSH client & server work just fine till I tried to access one of my AWS EC2 box from this windows.
It seems like I need to change the ...
- 5,773
494
votes
4
answers
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What is randomart produced by ssh-keygen?
When you generate a key, you get "randomart" from newer versions of OpenSSH. I am unable to find an explanation of why, and what I'm supposed to use it for.
Generating public/private rsa key pair.
...
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485
votes
18
answers
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An SSH tunnel via multiple hops
Tunneling data over SSH is pretty straight-forward:
ssh -D9999 [email protected]
sets up port 9999 on your localhost as a tunnel to example.com, but I have a more specific need:
I am working ...
- 7,504
465
votes
7
answers
1.4m
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How do I exit an SSH connection?
I’m connecting to a server via SSH to send a message to a socket server using a command like:
ssh 181.169.1.2 -p 5566
After the connection is established and I write the message and send it I can’t ...
- 4,761
370
votes
19
answers
350k
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How to reliably keep an SSH tunnel open?
I use an SSH tunnel from work to go around various idiotic firewalls (it's ok with my boss :)). The problem is, after a while the SSH connection usually hangs, and the tunnel is broken.
If I could at ...
- 6,534
336
votes
9
answers
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What is a SSH key fingerprint and how is it generated?
I always find that I get this message when I ssh into a new machine:
12:f8:7e:78:61:b4:bf:e2:de:24:15:96:4e:d4:72:53
What does it stand for? Will every machine have the same fingerprint every time?
...
- 5,657
328
votes
11
answers
1.1m
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Remove key from known_hosts
I built several virtual machines during the last few weeks. The problem is, the .ssh/known_hosts gives me the Man in the middle warning. This happens because another fingerprint is associated with the ...
- 8,830
308
votes
15
answers
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Too many authentication failures for *username*
I have a hostgator account with ssh access enabled. When trying to upload the generated .pub key file with this command:
rsync -av -e "ssh -p2222" /home/user/.ssh/key.pub [email protected]:.ssh/...
- 3,715
267
votes
12
answers
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Is there a way for one SSH config file to include another one?
In case it matters:
OS: Ubuntu 10.04
SSH: OpenSSH_5.3p1 Debian-3ubuntu5
I'd like one SSH config file to include another one. The use case would be to define whatever I want in my default .ssh/config ...
- 5,863
262
votes
10
answers
327k
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How can I avoid SSH's host verification for known hosts?
I get the following prompt everytime I try to connect a server using SSH. I type "yes", but is there a way to aovid this?
The authenticity of host '111.222.333.444 (111.222.333.444)' can't be ...
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260
votes
5
answers
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How to convert .ppk key to OpenSSH key under Linux?
I know that is possible to convert .ppk under puttygen in Windows, but how to do that on Linux? Is this possible ?
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8
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Way to avoid ssh connection timeout & freezing of GNOME Terminal
When I connect via ssh to certain servers, it timeouts and "freezes" the terminal (doesn't accept input, doesn't disconnect, can't Ctrl-C to kill the ssh process or anything).
This is in Ubuntu's ...
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