I created a VM in Microsoft Azure with Ubuntu 20 in which I run a Tomcat Server exposed to Port 443 and 80 (redirecting to 443), Neo4j on Port 7474, and Jenkins on Port 8081.
I can't access neither of those ports, although I set all the Inbound Port Rules like this:
When I try to reach IP:PORT, I always get this:
I am kinda new to Azure. It is possible to log in to the servier via SSH in the Terminal. Can anyone help me? How can I access my Server?
Have you tried to access to the VMs by using SSH and looking whats going on with the logs ?!
Yes, you can connect to a terminal by SSH:
ssh -i <private key path> username#ipaddress
If you don't config your SSH key, you can use create you password on the Azure portal.
In your VM, on the left, you have many options, and one name reset password.
Related
I want to connect to an Azure machine on which is installed an Ubuntu distribution.
I can connect or through ssh or, by installing some other software, by using X2Go.
However, I don't need the UI and if it's possible I would like to use Visual Studio Code.
On this last I've installed the ssh component and I've already used it to connect to other machines.
Unfortunately I'm not able to connect to the Azure machine by using VS Code.
The ssh connection works, I tested it by connecting through the terminal.
The connection string is in the following for:
(user_name)#(machine_name).westeurope.cloudapp.azure.com
I'm not the system administrator and I don't know the public IP.
I think the problem is the ssh port, I read that the standard port for ssh is 22 while I have 53044.
On VS Code I tried the following solution:
connection string: (user_name)#(machine_name).westeurope.cloudapp.azure.com:53044
I added the connection info into the config file with this format:
Host Linux_Azure
HostName (machine_name).westeurope.cloudapp.azure.com
User (user_name)
Port 53044
None of them work.
With the first solution VS Code tries to connect forever, failing with no error messages.
With the second solution VS Code gives back this error message: Could not establish connection to "Linux_Azure": The connection timed out.
I don't understand why it doesn't work, and I don't know how to solve it.
Do you have any idea to solve it?
I deployed one Ubuntu VM and tried connecting to it via SSH in VS code and got connected successfully with Port 22 like below:-
ssh siliconuser#siliconlinuxvm123.centralindia.cloudapp.azure.com -p 22
Output:-
When I tried connecting with port 53044, Even I got the same error code as yours like below:-
By default Azure Linux VM uses Port 22 to SSH, You cannot change the default destination port as it is fixed for a particular protocol. Example For RDP - Port 3389 is used, For HTTP- Port 80 and for SSH- Port 22 is used.
When I try to allow SSH in the inbound rule on VM's Networking Page > Port 22 is selected by default and greyed out thus we cannot add other port as a destination range refer below:-
I can connect my docker postgresql in my local server windows via ip or localhost. When I try to connect it remotely from my personal windows I have timeout error. Thinking about 5432 port is blocked or not listening.
I have changed pg_hba.conf & postgresql.conf files for remote connection and also checked for firewall but it was disabled.
Answer is I should have checked my server's firewall conf also, just dockerVM is not enough :)
I have a Ubuntu VM on Azure (Resource Group, not the Classic VM) and it all worked out of the box. I recently tried to SSH into the VM using Putty and I could not.
I get the error: Network Error: Connection Timed out.
I have made sure that the port 22 is opened for SSH on the VM Inbound rules.
I had this VM setup about 2 months ago for a side project and at that time I was able to SSH easily without any troubles. Now I can't. Am I missing something?
PS: The HTTP works fine. I have the website running on it and it shows up in the browser. Also, I tried using a browser-based SSH client and it was able to SSH into the VM.
Looks to be an issue with the local firewall. Try resetting the SSH configuration in the portal.
Go to Azure Portal
Select VM in question
Select Reset
Password
Select Reset Configuration Only
Select Update
I am adding this because it might help someone, the chosen answer did not work for me
for some reason the firewall on the ubuntu server
Go to Serial Console type in your ssh username and you will be logged into the server
Check the firewall status to see if port 22 is allowed
sudo ufw status verbose
If the rule is not there then add it
sudo ufw allow ssh
I encountered the same issue. The following is how I solve this issue:
Don't add any port While creating your VM, do it only after only the VM is created
Add the port 22 in the networking tab until the VM status is Running.
When a new VM is created on Azure, by-default the Protocol TCP on Port 22 is Disabled. Need to allow this.
Follow:
https://medium.com/techinpieces/practical-azure-how-to-enable-ssh-on-azure-vm-84d8fba8103e
Create below directory : mkdir -p /run/sshd
Then restart service : systemctl restart ssh
This will definitely solve your issue.
I am trying to access my Linux machine from anywhere in the world. I have tried originally port forwarding and then ssh'ing in; however, I believe my school's WiFi won't allow port forwarding (every time I ran it, it would tell me connection refused). I have setup an account with ngrok and I can remotely SSH in, but now I am wondering if it is possible to RDP. I tried connecting via the Microsoft Remote Desktop app on Mac, but it instantly crashes. I have also looked at trying to connect with localhost, but it's not working. So far, I have tried (with xxxx being the port):
ssh -L xxxx:localhost:xxxx 0.tcp.ngrok.io
and
ssh -L xxxx:localhost:xxxx <user>#0.tcp.ngrok.io
but my computer won't allow it and after about 2 or 3 times, it warns me of a possible DNS Spoofing. Is there anyway that I can run a remote desktop of my linux machine that I have ssh tunneled to (from my mac) on ngrok? Thank you!
First you'll need to sign up with ngrok if you haven't already and you'll be given an authtoken. You'll need to install this by running
./ngrok authtoken <insert your token here>
This will save your token to a file located ../username/.ngrok/ngrok.yml
Then you'll need to ask ngrok to create a TCP tunnel from their servers to your local machine's Remote Desktop port which should be 3389 by default
ngrok tcp 3389
Give it 30 seconds or so then jump to http://localhost:4040/status to see what the tcp address ngrok has allocated you. It should look something like tcp://1.tcp.ngrok.io:158764
Now you should be able to remote into your machine using address 1.tcp.ngrok.io:158764
i've got another question for you.
I have Amazon EC2 instance with mondodb installed.
It works great except one thing - i can't access (connect to) it from outside (my PC).
I think the problem with Security Groups. It's some sort of default firewall.
Does anyone know how to configure EC2 instance to have access to mongodb?
Thanks in advance.
Think carefully before doing this. If you open the ports, make sure you restrict the IP numbers that can access it, otherwise anyone will be able to access your database. You can enable authentication in MongoDB, but it's not particularly safe, just a username and password. You should not have your database open to the internet, it is not a good idea.
A better way than opening up ports in the EC2 firewall is to open an SSH tunnel an forward the port, this makes sure that only you can access the database, and only while the SSH tunnel is active.
Open up a new terminal and run this command (replacing user and host with the user you use when SSH'ing to your server and the name of the server):
ssh user#host -N -L 27017:127.0.0.1:27017
The command will forward the port 27017 on your computer to the same port on the server. To connect to the MongoDB instance simply run mongo in a terminal (if that doesn't work, try mongo --host 127.0.0.1 or even mongo --host 127.0.0.1 --port 27017).
If you run MongoDB on your local machine you will have to change the first port, since the local server is already using it. In that case run this command instead:
ssh user#host -N -L 27018:127.0.0.1:27017
and then connect with
mongo --port 27018
(possibly adding --host 127.0.0.1 if it doesn't work).
When you're done working with the database, exit mongo and press ctrl-C in the terminal with the SSH command.
You need to add a security group exception for the port 27017 if you are using default config for you to access it from outside. For security group configuration, please check the amazon EC2 documentation. And if you are using a different port on Mongo, change the security group port accordingly.
--Sai
Is your EC2 instance a Windows server by any chance? If so, in addition to EC2's Security Groups you also need to configure Windows Firewall to allow the incoming connection.
Go To Administrative Tools, Windows Firewall with Advanced Security, and configure a new Rule that allows incoming connections on port 27017 (the default mongo port) or whatever port you've chosen.