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Local display using Xming-Putty

The simiplest way to use X11 remotely with Xming, is to install Xming server on your desktop. Then connect to the remote server with your ssh client (that supports X11 forwarding), once connected, ...
Luke Attard's user avatar
1 vote

X11 forwarding from a remote Linux server to a WSL2 desktop

You dont need to use WSL2. Download Xming X Server by default it will set a X screen :0 for all your local ips. Once you are connected to the server with ssh. Set the DISPLAY Variable to your IP (...
Luke Attard's user avatar
0 votes
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SSH not recognizing that my public RSA key is already in the authorized_keys folder?

i want to know why SSH can't recognise that my public key is already in the authorized_keys file On the one hand, the error message you get is talking about the host key – not the one you're using, ...
u1686_grawity's user avatar
0 votes

Command to copy client public key to Windows OpenSSH SFTP/SSH server authorized keys file

The answer might vary based on whether the user is an administrator, and the language of the system. Generate an ssh key Use ssh-keygen to generate the public key id_rsa.pub and private key id_rsa. ...
Olivier Lasne's user avatar
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Still getting “ssh failure: Offending RSA key in /var/lib/sss/pubconf/known_hosts” despite removing the specified key from “known_hosts”

1st delete the host keys from the file showing the error. In my case it is /var/lib/sss/pubconf/known_hosts. Then regenerate from the source and push to ~/.ssh/known_hosts Delete keys from the file: ...
srikant mohapatro's user avatar
0 votes

Unable to Connect to SFTP with Public Key

I just spent hours with this issue. In my case it was the authorized_keys file was not UTF-8 encoded. I generated it by doing an echo "<pubkey>" > authorized_keys in PowerShell and ...
Alan Samet's user avatar
3 votes
Accepted

How many environment variables can be passed through openssh SendEnv/AcceptEnv

OpenSSH is the most widely used SSH software. The OpenSSH sshd program, which handles the server part of ssh connections, has a hardcoded limit of 128 environment variables for sessions opened by the ...
Kenster's user avatar
  • 7,658
1 vote

I'm unable to connect ssh using putty on my pc, but on other pc I can

"Connection timed out" usually indicates some firewall is blocking the connection. Assuming your VPN provides an unrestricted network path between the PCs, it might be located: on your ...
telcoM's user avatar
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19 votes
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sudo password not working over ssh

After your comments, it sounds like a tilde (~) character was giving you problems. When you're in an SSH session, the escape sequence ^M~ (that's Return then ~, or Ctrl+M then ~) has a special meaning ...
Attie's user avatar
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0 votes
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Google Chrome to use SOCKS proxy when performing DNS queries: "proxy-bypass-list" vs. "host-resolver-rules"

Brave browser shows error message in flags page when using --host-resolver-rules="MAP * ~NOTFOUND , EXCLUDE 127.0.0.1". Hence the correct flag is --proxy-bypass-list="<-loopback>&...
altoviento's user avatar
2 votes

Ssh load key error: invalid format

I was struggling too - the solution is simple! Add an extra line in your key at the end of the file. Yes, that's simple! I don't know why the VSCode Remote SSH extension (@ext:ms-vscode-remote.remote-...
artickl's user avatar
  • 31
1 vote

SSH tunnel for VNC not functioning

I ran into this exact issue, now some 12 years ago. Turns out there's a setting in TightVNC under "Access Control" where you have to enable loopback connections, and by default it was ...
Modin's user avatar
  • 11
0 votes

How do i prevent websites from appearing in autocomplete in terminal?

I found the answer: I was using a software called self-control as a content blocker, this software would write to my /private/etc/hosts file and write the websites that are being blocked by self-...
Wex300's user avatar
  • 1
0 votes

Establish OpenVPN connection to server behind carrier grade NAT

install ubuntu server on it (if using raspberry pi 4), otherwise debian 10/11 on x86-64. install openvpnas with the following commands sudo su apt update && apt -y install ca-...
Edmon Uyan's user avatar
0 votes

CConn: unable connect to socket: Connection refused (111)

This was happening to me while the VNC server was not started. I had an error in the config file; luckily I found out where the log is to find that out. The running TigerVNC server from ArchLinux ...
danuker's user avatar
  • 213
2 votes

Permission denied when trying to SSH into CISCO virtual router

There are different ways to connect your GNS3 topology to the real world. TAP You can create TAP interfaces that you can access directly from the system that GNS3 runs on, and you can add those TAP ...
Ljm Dullaart's user avatar
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0 votes
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Permission denied when trying to SSH into CISCO virtual router

Turns out 192.168.12.1 was actually the IP for my home's router, that's why I could ping it and SSH always failed. I created a TAP interface and added it to my Cloud in GNS3, linking the router ...
Gabriel's user avatar
  • 57
0 votes

SSH mysteriously blocked

While I have no direct experience with this issue, a search online finds that this issue is connected to QoS (Quality of Service). Look at this answer on Server Fault. As well as this issue report on ...
Giacomo1968's user avatar
  • 53.6k
5 votes
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Router outputs "Bad IP address or host name" when trying to SSH from Linux terminal

You cannot connect to localhost:5001 with SSH because there is no SSH server running on localhost:5001. As GNS3 is telling you, there is a Telnet server running there, not SSH. So, you need to connect ...
Jörg W Mittag's user avatar
1 vote

How to expose a home PC behind CG-NAT using a VPS?

Bumped into this problem and although late to the party thought this would help someone. A simple way to accomplish this is reverse tunneling as follows: On Client(Machine with no public ip): ssh -R ...
sardar iftikhar's user avatar
0 votes

VNC Connection to a remote host with reverse ssh tunnel

The use of DNAT-to-localhost is somewhat redundant given that you could just as well have the SSH tunnel listen on 0.0.0.0:5555 directly. (To allow this, enable GatewayPorts on the listening side of ...
u1686_grawity's user avatar
0 votes

Accessing samba shared files over internet

Samba is not safe by default to share over internet. I suggest you to use sftp or sshfs if both of your systems are linux.
DisplayName's user avatar
0 votes

SSH - PasswordAuthentication no has no effect

Depending on linux distributions, If you are using Ubuntu 22, try this: sshd -T | grep passwordauthentication if you see output passwordauthentication yes, some configurations are set prior to ...
Victor23d's user avatar
1 vote

How to convert PEM public key with -----BEGIN PUBLIC KEY----- into openssl key starting with ssh-rsa

From the looks of it, what you want is an OpenSSH key, not an OpenSSL key, so you have to use SSH tools. Try ssh-keygen -ef id_rsa >out.tmp It will give you another base64 code between dashed lines,...
Bachsau's user avatar
  • 115
1 vote

SSH config for remote servers using kerberos

As Tomek explained, the 2nd SSH client is run in a different environment. With the 'command' approach, this happens: You connect to server 1 using "password" authentication. Server 1 uses ...
u1686_grawity's user avatar
0 votes

How to force GPG to use console-mode pinentry to prompt for passwords?

For me, export GPG_TTY=$(tty) did nothing - I had to install pinentry-tty and uninstall pinentry-curses. This fixed it using GPG in mutt, in screen, using SSH on a remote VPS.
Nathan Paul Simons's user avatar
4 votes
Accepted

Trying to better understand SSH -n -N -f flags

The -f or -n options are backgrounding the ssh client to which they are given, ie. on your local laptop. (Option -f implies -n, so you actually only need one of the two.) Backgrounding is done so you ...
Tilman Schmidt's user avatar
1 vote

SSH config for remote servers using kerberos

That's because the command line version works differently to the ProxyJump version and yes, this may enable Kerberos for the commandline but not for ProxyJump. I a case of: ssh -At [email protected] ssh ...
Tomek's user avatar
  • 1,198
0 votes

SSH gateway server

I know it's an old thread, but my 2 cents: "Teleport SSH Gateway" is a good open source option https://goteleport.com/blog/ssh-jump-server/
Aldo Bassanini's user avatar
0 votes

How can I setup 2 VPS can connect without using VPN which those VPS has already setup the ListenAddress to the VPN

You cannot use the original IP address, because you told sshd to not accept connections on it. That's what ListenAddress achieves – using it doesn't add addresses (the default is to listen on ...
u1686_grawity's user avatar
1 vote

Vagrant cant provision vm with debian/bookworm64 ssh authentification failed

Okay I finally solved it! I think the reason was ruby-net-ssh So we upgraded our server from Ubuntu 20.04 to 22.04 and vagrant up was finally running passed the ssh authentifation step to provision ...
starryn1ght's user avatar
0 votes

Alternative to ssh-copy-id on windows

(given id_rsa.pub exists as when previously generated with "ssh-keygen -t rsa") This single line answer is barely the same as that given by barlop without cygwin, mentioning that with ...
jambalaio's user avatar
0 votes

Why doesn’t SCP work while SSH does?

One reason scp can fail, even when ssh works, is that the port number needs to be specified before the host. I don't know why. But this is wrong: scp pi@localhost:/home/pi/paula-bean -P 3022 /mnt/home/...
Omar and Lorraine's user avatar
0 votes

How to set PATH on MacOs for non-login shell?

some explanations: I can't find any common place to set PATH for all non-login shells in macOS. maybe there is not any? :( for example, this article explain some solution to set path for process ...
Saeed's user avatar
  • 1
2 votes
Accepted

How do I copy text from vim on a remote host in Terminal, to local MacOS clipboard?

SSH doesn't provide access to the macOS-specific IPC system that 'pbcopy' uses; it only provides the "text terminal" interface, and clipboard access is not typically part of that. Some ...
u1686_grawity's user avatar
1 vote

Using "restart-computer" Cmdlet for remote computers using SSH

The simplest answer is that powershell can just invoke the built-in ssh.exe like other shells would: # restart remote server over SSH: ssh.exe user@hostname shutdown -r -t 0 A longer answer is that ...
Cpt.Whale's user avatar
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