Latest from Jack Wallen
-
How to set up passwordless SSH authentication for Ubuntu Server
Learn how to enable passwordless SSH authentication on both Linux and macOS.
-
How and when to change your Google password
If you've ever been tempted to change your Google account password, but weren't sure how, don't let that confusion stop you. Jack Wallen walks you through the process.
-
How to quickly check to see if your Linux server is under a DoS attack from a single IP address
Jack Wallen shows you an easy way to determine if your Linux server is under a DDoS attack and how to quickly stop it.
-
Android 11 security features and improvements you need to know
Android 11 is finally released, and there are security and privacy fixes and features you should know about Google's mobile operating system. Jack Wallen provides the details.
-
How to enable biometric login with Bitwarden
If you'd rather not have to enter your password every time you open the Bitwarden password manager on your mobile device, Jack Wallen shows you how to enable biometric login.
-
How to enable SMS verification code autofill in Android
Starting with Android 9, you can make two-factor authentication even easier.
-
A quick and easy way to lock down SSH
Anxious to get your Linux server SSH access locked down? Jack Wallen shows you one more step you can take--one that will only take seconds.
-
How to use Restricted Shell to limit user access to a Linux system
Learn how to prevent Linux users from executing certain commands and confining them to their home directory by employing rbash.
-
Cybersecurity best practices: An open letter to end users
In an effort to make IT pros' jobs easier, Jack Wallen offers cybersecurity tips to end users--in particular, what not to do to keep company networks, equipment, and data secure.
-
How to use an SSH config file on macOS for easier connections to your data center servers
Jack Wallen shows you how to make SSH connections even easier from your macOS machine.