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UFW - allow requests only from a certain region/locale
$ sudo ufw statusStatus: activeTo Action From-- ------ ----Nginx Full ALLOW Anywhere 22/tcp ALLOW Anywhere Nginx Full (v6) ALLOW Anywhere (v6) 22/tcp (v6) ALLOW Anywhere (v6) How can I allow SSH...
View ArticleKey is invalid. You must supply a key in OpenSSH public key format
when i tried generating SSH key by following the steps given in the github documentation page after the first command it has asked to run$ ssh-keygen -t ed25519 -C "your_email@example.com"this gives me...
View Articlegit keep asking me my ssh key passphrase since upgrade from 22.4 to 24.4
All is in the title.I can't find why everytime I git pull or git push using ssh, my key passphrase is mandatory since it wasn't in my previous ubuntu versions.I didn't change anything, just let ubuntu...
View Articlessh does not ask for my key's passphrase, instead I get...
SituationOn my notebook I have a passphrase protected ssh key ~/.ssh/id_rsa_pass. I want to use it to access a shared server. I also want to forward the key to the server, so it can be reused there to...
View ArticleUpgrade OpenSSH from v8.9 to v9.3 on 22.04.2 LTS?
I'm working on shoring up some vulnerabilities in our environment, and one of them is that we're on OpenSSH 8.9. Our security team has advised us to upgrade to 9.3, but I'm not seeing anything...
View ArticleSSH authentication error after sudo apt upgrade on Ubuntu 24.04:...
After running sudo apt upgrade on my Ubuntu 24.04 system, I started encountering an issue when trying to use Git via SSH. Every time I try to fetch from my Bitbucket repository, I receive the following...
View ArticleEnable ssh login with password for a user
I am the admin of a Ubuntu 20.04 server and I want to enable ssh login for a user through password, rather than using key pairs.The /etc/ssh/ssh_config file on the host looks like this...
View ArticleUnable to deny SSH from other ips
Currently I am unable to deny ssh from other IPs, I am using hostinger Ubuntu VPS, have added restriction on the firewall. to allow IP from my IP and few others, but deny all others. This is not...
View Articlei want connect ssh as telnet (assign user after establishong ssh connection)
can anyone help me ..i want to login to my router using ssh , but it uses ssh as telnet (entering username after establishing the connection).ssh host-IPi did it before but i forgot what was the ssh...
View ArticleUbutu Core on Rasberry Pi 4 8Gb: trying to SSH into it, and I am being...
The SSH key was created using PuTTY Key Gen is 4028 RSA.It is saved on my SSO on login.ubuntu.com.When I set up the Ubuntu Core it says that my device is registered to my email and that my...
View ArticleCan't Login After Changing Default Port 22 on Oracle Cloud VM Ubuntu Server
I recently set up a virtual server on Oracle Cloud using Ubuntu. I wanted to enhance security by changing the default SSH login port from 22 to 777 (or any random port). So, I went into...
View ArticleGetting this error "puttygen: error loading `name.ppk': PuTTY key format too...
I have a file name.ppk. I'm want to login ssh with .ppk file on Ubuntu Terminal.I have try this post Login SSH with .ppk file on Ubuntu Terminal but getting this error "puttygen: error loading...
View ArticleCan't log in after changing default port 22 on Oracle Cloud VM Ubuntu Server
I recently set up a virtual server on Oracle Cloud using Ubuntu. I wanted to enhance security by changing the default SSH login port from 22 to 777 (or any random port). So, I went into...
View ArticleSSH / SFTP Permission denied (publickey)
I've added the following to my sshd_configMatch Group sftponlyChrootDirectory /srv/sftpfolderForceCommand internal-sftp#AllowTcpForwarding noPermitTunnel noX11Forwarding noI created "user" byuseradd -g...
View Article"-bash: /etc/hostname: Permission denied" error when setting up an SSH server...
Attempting to set up an SSH-server running Ubuntu 12.04. Went to "HowToForge" to scout for potentially advanced or knowledgeable advice upon how to accomplish this, then I ended up running into a...
View Articlessh: connect to host stopped working and port 22: connection timed out
I can not access to remote computer using ssh username@host anymore, it worked before then it stopped and I always get:ssh: connect to host port 22: Connection timed outI checked firewall rules,...
View ArticleDNSSEC Configuration Issue
I've set up the DNS, for my servers recently. Encountered an issue with it now.When I try to access it everything seems fine. When attempting to access it externally I keep getting a message saying...
View ArticleAccess to a server by ssh
Good afternoon.I have a virtual machine with Ubuntu 23.10 which I can access to the console without problems (as root user). The problem is when I want to access it via winscp from Windows (sftp) or...
View ArticleAlternatives of connecting to VM
I want to host my small discord bot on a virtual machine so it can run 7/24. I got a Linux VM on Azure via GitHub's Student Developer Pack. The problem is, I live in university dorm and I use...
View Articleopenvpn3 not working after upgrading to ubuntu 23.04
here is the output of session-start command. openvpn3 session-start --config config.ovpn Using configuration profile from file: config.ovpn Session path:...
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