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I am trying to remotely access a virtual box remotely. Because this is a virtualbox hosted on a windows machine, it does not have it's own IP address to use for SSH login. I have tried changing the network settings to Bridge Adapter to get an IP, but nothing has worked. Are there some steps I am missing, or what else can I do to SSH into the box? Thanks.
If you were using the NAT mode before and you have no reason to change it other then the SSH, you can do it in that mode. Just expand the advanced settings in the network configuration and create a port forwarding rule for the port 22. Then you will be able to SSH to the VM by using the host's ip address.
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I am studying ssh and I haven't understood the following command with option D
ssh -D 9999 username#remotehost.net
can someone explain what this command does exactly with an example and when it is useful?
This will forward all packets to remotehost.net from localhost:9999 (in your example). In a nutshell this is socks proxy.
From ssh man page:
Specifies a local “dynamic” application-level port forwarding. This works by allocating a socket to listen to port on
the local
side, optionally bound to the specified bind_address. Whenever a connection is made to this port, the connection is
forwarded over
the secure channel, and the application protocol is then used to determine where to connect to from the remote machine. Currently
the SOCKS4 and SOCKS5 protocols are supported, and ssh will act as a SOCKS server. Only root can forward privileged ports.
Dynamic port forwardings can also be specified in the configuration file.
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VM
I have a web service that need to run on CentOS VM.
Mac OS X
On the other hand, I have a Laravel project running my Mac OS X in local machine through MAMP.
The project working great with MAMP. Now, I need to make a API call to the web service that're currently running in the VM.
I'm curious how is the VM and the local machine connect with each other.
How do I solve that ?
I'm not a linux/VM expert.
Any hints / suggestion on that will be much appreciated !
After a couple days of researching and experimenting, I be able to do it.
grabbing the IP
run ifconfig and look for inet addr:172.16.67.137 of eth0
Disabled firewall on the VM
Result
On a Mac just go to that URL
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It is difficult to remember the IP address of different machine. Is there any way to use machine name to ssh connect the machine?
Add the Ip and machine name into /etc/hosts file
Like :
machine_IP machine_name
53.10.0.131 Droplet_Name
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I'm working on a network with many Linux machines.
In one of them I have a file that I suspect was pushed by another machine.
The machines can access each other using ssh connections.
Is there anyway I can tell which machine pushed the file?
I tried looking for ssh logs but the /var/log/secure/ directory doesn't exist.
Depending on the distro and your logging settings, you may have some luck with /log/auth.
Try grep sshd /var/log/auth.log
Depends on your distro, you can check following files from your distro.
/var/log/secure
/var/log/auth.log
/var/log/syslog
/var/log/daemon.log
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I have connected to a remote server using ssh:
ssh -i <keypair> <user#server>
How do I determine the outgoing port that my ssh client is using to connect to the remote server ?
I want to know so that I can setup my VNC Client to use that port...
NOTE: I am not talking about the port on the remote server!
Look at the variable $SSH_CLIENT - the second number is the client port.
Should you want to know it from the client side, you can run this command
lsof -p pid | grep TCP
with pid being the process ID of the ssh command