Linux

In this tutorial we will see how can we troubleshoot if someone make wrong entry in sudoers file of AWS EC2 instance. One way to solve this problem is attaching root volume of problematic instance to another instance helper instance in same availability zone. But we will see here how can we solve this issue …

Sudo command not working in AWS EC2 instance Read More »

In this tutorial we will see how to setup SFTP server in Linux and how can we configure another SFTP user who can only download the file but can’t upload files to SFTP server. We have taken Amazon Linux 2 server for this tutorial. Prerequisites: We need root privileges for creating SFTP user and configuring …

Setup SFTP server in Linux Read More »