Questions tagged [ssh]
Secure Shell; a network protocol that allows data transfer over a secure channel between two networked devices.
10,693
questions
0
votes
0
answers
19
views
Sending Environment Variables via SCP
I'm looking to send some kind of environment variable using "SCP -o" (or any other file transfer protocol for that matter PSFTP, PSCP, etc).
I currently use SCP to transfer files between ...
- 1
2
votes
1
answer
99
views
adding *any* directive above Include negates HostName inside that included file
Okay - worst subject ever? Sorry.
$ cat ~/.ssh/config
# Host wut
# LocalForward 1234 whatever:1234
Include ~/.ssh/test.include
$ cat ~/.ssh/test.include
Host op1
HostName 123.123.123.123
$ ssh -...
- 183
1
vote
1
answer
30
views
SSH from A through B to C, using private key on B
Schematic:
ssh ssh
A ------> B ------> C
^ ^
using A's using B's
ssh key ssh key
Preconditions:
A is running ssh-agent
A can access B
B can access C
A can't ...
- 11
0
votes
0
answers
13
views
How do i set up MacOS Screen Sharing only through SSH?
I am physically in another country, and I want to set up Screen Sharing on my MacBook Pro running 10.15. The problem is that I didn't even think of setting up Screen Sharing before I travelled, ...
- 1
1
vote
0
answers
18
views
Hotspot connection SSH / Ping
I have a singleboard computer (Rock 4 SE) with a wifi that is hotspot capable. It is running linux Debian. I want to SSH into it with my laptop using the linux machines own wifi as a hotspot for ...
0
votes
2
answers
42
views
Screen capture in Windows is all black
I'm trying get screen capture through a SSH connection. In this SSH connection, I'm using the normal user. (in my case its PC)
I found that after executing this command:
screenshot-cmd -o test.jpg
...
- 1
0
votes
0
answers
15
views
Getting Remote side sent SSH2_MSG_EXT_INFO after USERAUTH_SUCCESS on mobaxterm
I am getting Remote side sent SSH2_MSG_EXT_INFO after USERAUTH_SUCCESS on mobaxterm after some times,
I tried to google up but couldn't find solution.
This one say to adjust the PuTTY's Connection/SSH/...
1
vote
1
answer
21
views
How to find the ssh connection behind a reverse tunnel from the server side?
I use the the ssh -R command to create a ssh reverse tunnel in the client side:
ssh -fNR 3389:127.0.0.1:3389 user@remotehost
In the client side, I can use the ps and netstat commands to find the ssh ...
- 11
0
votes
1
answer
28
views
Is it possible to see MacOS's sshd process in the output of ps?
I am running the following version of MacOS:
$ sw_vers
ProductName: macOS
ProductVersion: 14.5
BuildVersion: 23F79
I observe that when I run ssh localhost, I am able to ...
- 2,047
0
votes
1
answer
13
views
Having JetBrains WebStorm open regularly kills screen session in PuTTY
I have a very odd and very frustrating issue.
Summary
I have my Linux environment set up to automatically reconnect to any existing screen session on log in, which when combined with the WebStorm IDE ...
1
vote
0
answers
46
views
ssh-connection from outside (and inside) fails -- Linux Mint
PROBLEM
no ssh connection to my local computer possible, even not ssh [myname]:127.0.0.1
ssh localhost, on the other hand, works
entering sshd: ALL and ssh: ALL in /etc/hosts.allow does not help
...
- 11
0
votes
0
answers
32
views
Windows YubiKey GPG works with putty but not terminal
I created three gpg subkeys stored on my YubiKey as described here. I added enable-ssh-support and enable-putty-support to my gpg-agent.conf file. Everything works when accessing a server with the ssh-...
Marvin34565
1
vote
0
answers
84
views
Incorrect permission of copied files from Ubuntu to Windows using rsync on ssh
After copying files from Ubuntu to Windows using rsync on ssh, the copied files and folder have permissions that only creator have full access and other users including SYSTEM and Administrators have ...
- 11
0
votes
1
answer
53
views
Will this OpenSSH config provide the best security
Setting up my OpenSSH server on a Windows 10 server to be exposed to the WAN. (Up until now it has just been used on the LAN).
What I am trying to achieve:
When connection is from the internet, only 1 ...
- 469
1
vote
1
answer
36
views
ssh -t host1 ssh host2 "cat < /tmp/test.txt" – file not found
I'm trying to run cat < /tmp/test.txt on remote host host2 through host1. The file /tmp/test.txt exists on host2. I try:
# locally
ssh -t host1 ssh host2 "cat < /tmp/test.txt"
The ...
- 1,037
0
votes
0
answers
22
views
tmux ctrl-b + [arrow key] for navigation not working
I am pressing Ctrl+B, releasing both keys, and then pressing arrow keys, but it is not navigating (instead it is going through past commands as if Ctrl+B was not pressed). I'm using tmux in a SSH ...
- 101
0
votes
0
answers
24
views
How to fix cannot connect to host: dial tcp: lookup ubuntu@####: no such host
I use oracle cloud infrastructure. I was trying to connect thorough ssh and I got this error "cannot connect to host: dial tcp: lookup ubuntu@####: no such host". I have checked everything. ...
0
votes
0
answers
11
views
use proxmox services without logging, possible?
i want to know if it is possible to use proxmox services without logging, i mean without connect a keyboard and a display. I remark that when i reboot my hypervisor, many time i was forced to launch ...
- 1
0
votes
1
answer
54
views
How to transfer a file to a remote host using parallel + ssh?
I am writing scripts to poll a large number of remote hosts over ssh using gnu parallel. I copy the script to them, run it and get the results. Right now I'm using two bundles parallel + scp to ...
0
votes
1
answer
25
views
Using E2C to connect two Linux computers behind NAT
This has been asked before but I've had no success. I'm trying to connect two Linux devices via an E2C as a jump host:
[Box2 (Accessing REST API)] --> [EC2] --> [Box1 (Hosting REST API)]
What I'...
- 3
0
votes
0
answers
15
views
How can I make an internal server access the public web behind a jump host
Say that I have a server A:1.2.3.4:1234, which is an totally internal server cannot reach out any public services, such as apt, pip. And I cannot log in A directly. I have to use a jump host B:1.1.1.1:...
- 131
1
vote
0
answers
31
views
RPi 4 Keeps Hanging: Docker Services & SSH Fail Randomly
I have a Raspberry Pi 4 with an SSD running Raspberry OS Lite. I run Docker containers for Home Assistant, Pi-Hole, and NetDaemon. I've been experiencing random hangs where the system becomes ...
- 111
0
votes
0
answers
23
views
Unresponsive domain names freeze SSH connection when using SOCKS proxy
Is it possible to stop the SSH connection freezing when using dynamic port forwarding (SOCKS proxy) when it encounters an unresponsive DNS name?
I found the whole SSH connection freezes when going on ...
- 559
0
votes
1
answer
29
views
SSH timeout over WAN
I have an openssh server set up on my homelab that I want to be able to connect to remotely. I have forwarded the port and tried to connect to it on LAN using the public ip of my homelab. However I ...
-1
votes
2
answers
91
views
Is there a way to access a web server with only an Ethernet cable?
I need to access a web server to get some files. I have an Ethernet cable that I can connect my laptop to the server, but I cannot use SSH or remote desktop because I don't know the server's username, ...
0
votes
1
answer
63
views
SSH can't connect to my public IP
4928 2024-06-09 19:04:41.088 debug3: checking match for 'Group administrators' user hanul host [publicIP] addr [publicIP] laddr [publicIP] lport 22
4928 2024-06-09 19:04:41.088 debug3: get_passwd: ...
- 1
-1
votes
1
answer
58
views
How to git clone a public repository through firewall?
I am trying to install a scientific software package on a HPC cluster. Let's call it clusterhpc. During the configuration process software package tries to clone a bunch of public git repos. However, ...
0
votes
0
answers
77
views
SSH Connection timed-out connecting to a VM via port-forwarding on Windows11
I am on an issue since a while, getting urgent, and not super confident in the Windows sphere. I have a desktop at work that functions as my test desktop. To try software, etc, I installed Hyper-V and ...
- 1
1
vote
1
answer
15
views
Why can I not use SSH from powershell open in Sublime Text?
I am very much new to this, so if I am missing something obvious, tell me.
I use Sublime text as a text editor and IDE. I recently installed the Terminus extension because I thought it would be useful ...
nmark
0
votes
0
answers
49
views
Jenkins publish over SSH fails to connect after upgrading Jenkins
I recently upgraded Jenkins from 2.46.2 to 2.426.3.
My config of Publish over SSH stopped working.
It uses password authentication.
I provided:
Name [DEV]
Hostname
Username
Password
Remote directory
...
- 183
0
votes
1
answer
40
views
Is it possible to set up a remote login session where a specific user only has access to certain folders, and can only run one executable?
I have a server where I'd like to grant a user the ability to log in remotely, but restrict the session in two specific ways:
They can only access a certain set of folders on the computer, and for ...
- 856
0
votes
0
answers
23
views
How can I automate the connection to an On Prem Windows VM that uses Azure AAD for authentication?
My requirement is to automate the transfer of files, and running commands on the Windows VM, which is currently a manual process where I log in to the VM via RDP (and it prompts me for my username/...
- 125
1
vote
1
answer
37
views
Equiv of `ssh a -tt ssh b` or how to use remote ControlMaster
I have two servers, A and B. Login to B requires 2FA every time, so I use a ControlMaster to persist the authentication status.
However, I'm using a laptop, which sometimes sleeps and stops all TCP ...
- 111
0
votes
0
answers
19
views
curser desync when connecting to a fish shell on a raspberry pi over ssh
This is a rather specific issue, but I wouldn't be surprised if it occurs due to some more general shortcoming.
In short, the issue is that, when using the fish shell in my Raspberry Pi, over ssh, ...
- 101
-1
votes
1
answer
32
views
Execute windows exe files on wsl after metadata,umask=022, fmask=111
WSL can't run any exe files after I added options = "metadata,umask=022,fmask=111" to wsl config. The reason I did this is so I can share ssh keys from a parent windows machine. So I would ...
0
votes
0
answers
97
views
NetMod Error "An attempt was made to access a socket in a way forbidden by its access permissions"
I am using an application called NetMod, and I am using an SSH configuration. However, the problem is that when I press start, I cannot connect, and the log shows the message:
An attempt was made to ...
0
votes
0
answers
34
views
Is there a way to reserve bandwidth for ssh on linux / debian?
I ssh into my dev machine, and then start a download, for instance "ollama pull llama3"
This uses all of the available bandwidth for the network interface, which makes ssh unresponsive until ...
- 1
5
votes
1
answer
800
views
ssh-keygen fails to read key generated by itself
Using OpenSSH_8.9p1 Ubuntu-3ubuntu0.7 on WSL, ssh-keygen refuses a key it previously generated, outputting error:
do_convert_from_ssh2: parse key: invalid format
Reproduction
$ cd /tmp/...
- 155
0
votes
0
answers
22
views
Cygwin SFTP connection closed after PubKey authentication when Match User is set up in sshd_config
I have problem during configuration of Cygwin sftp server on Windows Server.
When I'm trying to change root directory of one user with Match User I got "Connection closed" after sftp to this ...
0
votes
0
answers
54
views
How to directly save video from camera (of linux machine A) to another machine B over ssh
I am using a camera on my Linux-based computer. I want to store the camera feed directly into my Synology Network attached storage (NAS) which I am accessing through SSH over an ethernet cable. I am ...
0
votes
1
answer
18
views
Using rsync with an oldie Netgear NAS (ReadyNAS Pro BE, RAIDiator 4.2.31)
I have an old NetgearNAS (ReadyNAS Pro Business Edition, RAIDiator 4.2.31 firmware) that I set up years ago to house (among other things) my music library - which is quite large. The other "...
- 173
0
votes
0
answers
84
views
How to use ssh x11 forwarding on Windows?
I am running XServer by VcXsrv on Windows. Here is my VcXsrv configuration, and I believe it should be listening on :0.0, which is port :6000.
<?xml version="1.0" encoding="UTF-8&...
- 91
0
votes
0
answers
27
views
Proxmox Root Passwords being changed randomly
I have a Proxmox Cluster set up with four nodes and One qDevice set up. I just got the qDevice working last night, but since this evening I'm seeing something I can't really understand. The passwords ...
- 21
0
votes
1
answer
70
views
Ubuntu SFTP Server Permissions
I'm trying to create a SFTP server using Ubuntu Server 24.04 LTS, and I'm having trouble copying to the folder I created:
The sshd_config sets ChRootDirectory to \sftpsrv, which is a mounted disk ...
- 9
0
votes
1
answer
15
views
Can a ssh reverse tunnel bind to something else than localhost?
Machine A has a service (say - web server) bound to localhost:80.
Machine B wants to access this service but has no direct connection to machine A.
I want to create a reverse ssh tunnel from Machine B ...
- 3,253
2
votes
1
answer
39
views
Is ssh-keygen -s supposed to work with ssh-agent?
We're converting our ssh host keys to certificate-signed keys. I wanted to write a script that would use ssh-keyscan to grab all the public keys, then sign them all, and then use ansible to push the ...
- 31
0
votes
0
answers
33
views
Postfix being restarted
I have a script that submits form data to my email that works on local host, but not on the server.
main.cf:
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
# Debian ...
0
votes
0
answers
40
views
Establishing a VPN connection between 2 PCs behind CGNAT through a cloud server
I have 3 devices in different countries. I want to establish an OpenVPN server on my machine and a client on the other 2 machines and route all their traffic through my network. The problem is that ...
- 101
0
votes
0
answers
34
views
Cant ping or ssh ubuntu server locally, server can ping websites
Installed ubuntu server and openssh on old laptop installation went well. Settings good, all firewalls down, ssh active BUT still no machine can ping server n server can ping machines. Tried pinging ...
0
votes
0
answers
25
views
The mouse keeps moving by itself when I'm using a macro program in RDP sessions
my case is the following:
I have 10 VPS RDP sessions open on my computer at the same time. On each VPS I am running a Macro Recorder program (an autoclicker) that performs automated activities.
This ...
