All Questions
21
questions
0
votes
0
answers
1k
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ssh: connect to host xx.xxx.xxx.xx port 22: Connection timed out
I am using ubuntu in my old pc and laptop.
Whenever I connect to my note book from pc by using ssh and sftp it works.
pc to notebook >> no problem
Now I am trying to make my pc like a remote ...
1
vote
2
answers
1k
views
How can I allow access to SSH only at a specific time?
Based on Ubuntu 18.04,
I want to allow users to access only from 9 a.m. to 5 p.m.(working time) on the SSH server. (used OpenSSH-server package)
I've looked up all the materials I think will help you ...
2
votes
1
answer
5k
views
Unable to update to Openssh 8.4
We received OpenSSH Information Disclosure Vulnerability CVE-2020-14145
CVE-2020-15778 on some ubuntu 18.04 Servers and the fix recommended is to upgrade to OpenSSH 8.4/8.4P1
But the current version ...
0
votes
0
answers
713
views
Building OpenSSH 8.2p1 on Ubuntu 18.04.4 LTS, what flags should I configure it with?
I need a newer version of OpenSSH on my home machine for remote work.
What flags should I pass to ./configure to maintain the same level of configuration as my current OpenSSH (7.6p1), the one ...
1
vote
3
answers
5k
views
Ubuntu Server 18.04 and OpenSSH 8.2 - when?
I need support for Yubikey's for a project. Sysops need to log on to an Ubuntu Server from remote positions using them. I see that openssh 8.2 has native support for it.
Will openssh 8.2 be available ...
14
votes
4
answers
48k
views
Is possible to upgrade openssh-server OpenSSH_7.6p1, to OpenSSH_8.0p1?
Tried to install OpenSSH_8.0p1 but installed OpenSSh Client only.
sudo apt install openssl-server Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable ...
1
vote
0
answers
294
views
SSH connection get stucked at login after a few days of server uptime
when i try to connect to server via XShell it hangs with following message:
Connecting to 192.168.1.10:22...
Connection established.
Other ssh clients just hang forever.
A reboot solves the ...
1
vote
0
answers
963
views
GSSAPI Authentication Error: "An invalid name was supplied" (FQDN, FREEIPA)
When trying to connect to a FreeIPA client via SSH using GSSAPI it produces the error: An invalid name was supplied. The name/key used is: "Host/mail@" which shows something has gone wrong server-side,...
0
votes
0
answers
579
views
I uninstalled openssh-client and all my snap application have been erased
I uninstalled openssh-client and i didn't see that another apps were uninstalled too. Now all my snap app like Reemina, atom, etc (all snap app that i've installed with ubuntu software gui) were ...
19
votes
1
answer
125k
views
SSH Server cannot be found - Even though installed
I have a machine running Ubuntu 18.04 LTS where I cannot seem to get SSH Server working.
I installed SSHServer using:
sudo apt install openssh-server
but I am getting the following when I try to ...
0
votes
0
answers
1k
views
SSH server only allows one client session connect via it's public IP address
Alright, here's a weird one that's stumped me for the past couple hours:
My server is running Ubuntu 18.04, ufw is disabled, and I just reinstalled openssh-server. Maybe it's worth noting that it's ...
0
votes
1
answer
1k
views
Passwordless SSH [duplicate]
Can we set up Passwordless SSH in Ubuntu (18.04) without root privileges? Is there any way to access files in /etc directory without root permissions? (I need to be able to set up Passwordless SSH ...
0
votes
4
answers
8k
views
Issues installing smbclient and openssh-server on 18.04.2
Complete Linux newb trying to get Ubuntu going so that I can learn. I'm getting the following errors when I try to install the SMB client and Open SSh server on a fresh install of 18.04.2. Can ...
0
votes
0
answers
1k
views
ssh freezes when trying to connect to my server?
I'm trying to connect to my remote server.
First I generated the ssh keys public and private from the cpanel, then I downloaded the private key to the /home/anass/.ssh folder.
and then from the ...
1
vote
1
answer
6k
views
Ubuntu-budgie 18.04 agent refused operation when trying to ssh with public key
When I try to ssh using rsa key pair, I get the following error:
debug1: Next authentication method: publickey
debug1: Offering public key: RSA SHA256:2zjgjRVRDdbdfmjqip0o7M5vGXRmdH1vIvT88rrF3yE /home/...
4
votes
1
answer
3k
views
OpenSSH server: Other version running than installed
I have an Ubuntu 18.04 server. I installed openssh-server and openssh-client. According to apt, the installed version of both packages is 7.6p1-4ubuntu0.1, but the running version of the ssh-server (...
1
vote
2
answers
9k
views
Problems accessing a Cisco Router from Ubuntu 18.04 via SSH
I have an Ubuntu virtual machine (server) connected to a Cisco router where I'm trying to establish a SSH session to this device. They are connected back-to-back so there are no additional network ...
0
votes
1
answer
1k
views
How to recover deleted .ssh/known_host entry?
I created a droplet (basically a server) to host a website on DigitalOcean. I connected to it using openssh on my computer, and it was working fine. Then I decided to delete the 3rd out of 3 entries ...
2
votes
2
answers
7k
views
ssh-add -l Error connecting to agent: Connection refused
I'm using Ubuntu 18 on Windows Bash
When i launch Ubuntu I can ssh-add without any problem.
Then I connect to a remote server ssh user@address
The ForwardAgent doesn't work (git pull, for example ...
1
vote
1
answer
2k
views
SSH without password only works one time
I want to configure SSH to use it without the need of writing the password. I am using Ubuntu 18.04 LTS on Windows 10. I need it to run Hadoop 3.1.1 (https://hadoop.apache.org/docs/r3.1.1/hadoop-...
1
vote
1
answer
3k
views
Where does sshd default configuration come from?
After a fresh install every option of the default configuration file in /etc/ssh/sshd_config commented out. But when I run /usr/sbin/sshd -tT, there are many option actually to see.
Where are those ...