Q. I want to be able to transfer files to and from my home computer remotely while accessing it from an SSH connection...How do I do this? Do I need to set up an FTP server on my home computer? It's running Debian Linux and I access it from my Android phone using ConnectBot.
A. If it's running an ssh server that will include scp and usually sftp.
You can connect with any scp/sftp client like winscp, rsync. If you set up SSH keys access you need not bother with passwords (though it's still a good idea to have some passphrase in case you lose the phone)
ftp is less secure, unless you use SSL
You can connect with any scp/sftp client like winscp, rsync. If you set up SSH keys access you need not bother with passwords (though it's still a good idea to have some passphrase in case you lose the phone)
ftp is less secure, unless you use SSL
I am accessing my home linux box remotely from work. How can I copy files from that linux comp to my local com
Q. I am accessing my home linux computer remotely from my MacBook via SSH. I am behind a NAT, so I don't have a static IP. I want to retrieve some files from that linux box to my MacBook. Is there a reverse SCP command that I can use so that I can SCP the file from my home linux box to my MacBook at work through the already established tunnel?
A. You use scp direct (not through the tunnel). It can copy either way. One option is to log in to your Linux box through ssh, then use scp to the Mac from there. you would need the address of the mac, and forwarding set up at its' router. Alternatively use the scp from the mac console to your Linux machine. You must have its' address if you can ssh to it.
Is there a way to easily shutdown a remote linux server with a shell script?
Q. I have 3 linux servers hooked to my UPS. I can only hook the UPS to one of them. The UPS software will allow me to run a shell script on that one server before it shuts down. And I want that shell script to shut down the other 2 servers. Is this possible?
@ Roland J: I AM FULLY AWARE OF HOW TO SHUTDOWN A LINUX MACHINE.
@ Roland J: Please donât answer a question unless you actually READ the question!!!!! It makes other people think the question is answered, when in reality, your just lazy to even read the full title of the question. (or you donât know what the word âremoteâ means)
I need to know how to shutdown a linux machine REMOTELY.
This means that I want to run a script on LinuxBox1 and have LinuxBox2 (another linux server on same LAN) shut down.
@ Roland J: I AM FULLY AWARE OF HOW TO SHUTDOWN A LINUX MACHINE.
@ Roland J: Please donât answer a question unless you actually READ the question!!!!! It makes other people think the question is answered, when in reality, your just lazy to even read the full title of the question. (or you donât know what the word âremoteâ means)
I need to know how to shutdown a linux machine REMOTELY.
This means that I want to run a script on LinuxBox1 and have LinuxBox2 (another linux server on same LAN) shut down.
A. Actually SSH would have to be set up first to allow passwordless, login between servers.
I found the solution else where, and just wanted to post it here, in case anyone else stubles on this question looking for an answer.
NOTE: IN THE RESOLUTION BELOW MANY OF THE COMMANDS ARE CUT OFF, OR INCORECTULY SHOW AS TWO LINES. FOLLOW THIS LINK FOR A PROPERLY FORMATED ANSWER.
http://www.justlinux.com/forum/showthread.php?p=863427#post863427
RESOLUTION:
Here's what I did...
First I ssh'd from each machine to each other one. (The first time u ssh to new machine it asked you to accept the machines "fingerprint" and saves it -- this is just so they know who each other are.
Then on the machine I wanted to be able to shutdown FROM I did
[CODE]
cd /root/.ssh/
ssh-keygen -t rsa
[/CODE]
and accepted the default location. (/root/.ssh/id_rsa)
I left the passphrase blank, so it would not be required.
Then basically you just need to copy that "id_rsa" file onto the DESTINATION machine, in the same directory, but named as "authorized_keys". Which can easily be done like this:
[CODE]
scp id_rsa.pub xxx.xxx.xxx.xxx:/root/.ssh/authorized_keys [/CODE]
Where xxx.xxx.xxx.xxx is the IP address or host name of remote machine.
[INDENT]NOTE: You may want to check if a file by that name already exists, on the remote machine, because the above command will overwrite it without warning. -- If you already have a file by that name on the remote machine, I would suggest using command above, but change the file name. Then on the remote machine, append the file you just copied to the existing one. This could easily be done like this: (there may be an even simpler way - but this is what I know)
[CODE]mv /root/.ssh/authorized_keys /root/.ssh/authorized_keys.backup
cat /root/.ssh/authorized_keys.backup /root/.ssh/yourfilename > /root/.ssh/authorized_keys
[/CODE]
[/INDENT]
Then make sure the /root/.ssh/authorized_keys file has 600 permissions.
[CODE]
chmod 600 /root/.ssh/authorized_ keys
[/CODE]
Then try to ssh to the remote machine.
[CODE]
ssh xxx.xxx.xxx.xxx
[/CODE]
And if it works like it did for me -- it will let you right in, with no username or password. If this works correctly, you should be able to remotely run commands through ssh within scripts.
I found the solution else where, and just wanted to post it here, in case anyone else stubles on this question looking for an answer.
NOTE: IN THE RESOLUTION BELOW MANY OF THE COMMANDS ARE CUT OFF, OR INCORECTULY SHOW AS TWO LINES. FOLLOW THIS LINK FOR A PROPERLY FORMATED ANSWER.
http://www.justlinux.com/forum/showthread.php?p=863427#post863427
RESOLUTION:
Here's what I did...
First I ssh'd from each machine to each other one. (The first time u ssh to new machine it asked you to accept the machines "fingerprint" and saves it -- this is just so they know who each other are.
Then on the machine I wanted to be able to shutdown FROM I did
[CODE]
cd /root/.ssh/
ssh-keygen -t rsa
[/CODE]
and accepted the default location. (/root/.ssh/id_rsa)
I left the passphrase blank, so it would not be required.
Then basically you just need to copy that "id_rsa" file onto the DESTINATION machine, in the same directory, but named as "authorized_keys". Which can easily be done like this:
[CODE]
scp id_rsa.pub xxx.xxx.xxx.xxx:/root/.ssh/authorized_keys [/CODE]
Where xxx.xxx.xxx.xxx is the IP address or host name of remote machine.
[INDENT]NOTE: You may want to check if a file by that name already exists, on the remote machine, because the above command will overwrite it without warning. -- If you already have a file by that name on the remote machine, I would suggest using command above, but change the file name. Then on the remote machine, append the file you just copied to the existing one. This could easily be done like this: (there may be an even simpler way - but this is what I know)
[CODE]mv /root/.ssh/authorized_keys /root/.ssh/authorized_keys.backup
cat /root/.ssh/authorized_keys.backup /root/.ssh/yourfilename > /root/.ssh/authorized_keys
[/CODE]
[/INDENT]
Then make sure the /root/.ssh/authorized_keys file has 600 permissions.
[CODE]
chmod 600 /root/.ssh/authorized_ keys
[/CODE]
Then try to ssh to the remote machine.
[CODE]
ssh xxx.xxx.xxx.xxx
[/CODE]
And if it works like it did for me -- it will let you right in, with no username or password. If this works correctly, you should be able to remotely run commands through ssh within scripts.
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