Linux

• Determine the Linux OS version
• Copy files between Linux machines
• Copy files between Windows and Linux computers
• Set up a user to connect to a Linux server with a private-public key pair
• Install missing commands on Linux distributions
• Attach an AWS EBS volume to a Linux server
• Extend a Linux partition
• Get the octal file permission number of a file or directory

Linux distributions

• Ubuntu

Troubleshooting

• warning: Insecure world writable dir … in PATH, mode 040777