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How to create a new SSH user in Ubuntu?
I want to do the following: Create a new user (let’s call them jim for the rest of this). I want them to have a /home/ directory. Give jim SSH access. Allow jim to su to root but not perform sudo operations. Turn off root SSH access. Move SSHd off to a non-standard port to help stop brute-attacks.
How to restrict SSH user access to certain directory?
1. Start by creating the chroot jail using the mkdir command below: # mkdir -p /home/test. 2. Next, identify required files, according to the sshd_config man page, the ChrootDirectory option specifies the pathname of the directory to chroot to after authentication.
How to add a root user in CentOS 7?
The new user already can become root (point 1), but to let this user become root though sudo, just add the user to the right group. On CentOS 7, the traditional group name of wheel was used to allow members of that group to become root via sudo: usermod -a -G wheel codemedic.
How to add new user accounts with SSH access?
If multiple users require access to the instance, it’s a security best practice to use separate accounts for each user. You can expedite these steps by using cloud-init and user data. For more information, see How do I add new user accounts with SSH access to my EC2 instance using cloud-init and user data?
How to use SCP to transfer files between Ubuntu and Windows10?
How to use scp to transfer files between ubuntu and windows10? I’m using the command scp -P$ {myport} $ {username}@$ {ip} to tranfer the files, but I don’t know how to write the filepath in windows. For example, if the filepath in windows is C:/Download, how to write the scp command?
Which is the privileged port for SSH in Ubuntu?
You can use any unused port from 1 to 65535. It’s recommended to choose a privileged port (port 1-1024) which can only be used by root. If your SSH daemon stops working for some reason, a rogue application can’t intercept the connection. PermitRootLogin disallows direct root login.
How to connect to Amazon EC2 remotely using SSH?
Visit here How to Connect to Amazon EC2 Remotely Using SSH or refer below. Download the .pem file. In Amazon Dashboard choose “Instances” from the left side bar, and then select the instance you would like to connect to. Move the downloaded .pem file to the .ssh directory we just created: