Association of Information Technology Professional

JANUARY 24, 2022

Learn how to install Linux natively on M1 hardware, eliminating the need for macOS entirely.

Linux 252

Linux Hardware How To 252

Tech Republic Security

FEBRUARY 20, 2020

Learn how to prevent Linux users from executing certain commands and confining them to their home directory by employing rbash.

Linux 216

Linux How To System 216

Tech Republic Security

MARCH 28, 2023

Learn how to protect your Linux server from the fork bomb denial-of-service attack with this video tutorial by Jack Wallen. The post How to prevent fork bombs on your Linux development servers appeared first on TechRepublic.

Linux 181

Linux Development How To Video 181

Tech Republic Security

MAY 7, 2020

Protecting your Linux servers against SYN attacks and IP spoofing isn't nearly as hard you think. Jack Wallen shows you how.

Linux 202

Linux How To Security 202

Tech Republic Security

SEPTEMBER 3, 2021

Fail2ban should be on every one of your Linux servers. If you've yet to install it on either Rocky Linux or AlmaLinux, Jack Wallen is here to help you out with that.

Linux 203

Linux How To 203

Tech Republic Security

FEBRUARY 25, 2020

For security reasons, you might need to create a Linux user without the ability to log in. Jack Wallen shows you how.

Linux 215

Linux How To Security 215

Association of Information Technology Professional

JULY 1, 2022

Let’s take a look at 16 articles highlighting the top Linux skills and how to use them in your IT career.

Linux 248

Linux How To 248

Tech Republic Security

AUGUST 13, 2021

With Webmin, you can better secure and manage your instances of Rocky Linux. Jack Wallen walks you through the process of getting this web-based tool up and running.

Linux 195

Linux How To Tools Security 195

Tech Republic Security

JANUARY 21, 2021

Jack Wallen walks you through some of the steps you can take to check for and mitigate distributed denial of service attacks on a Linux server.

Linux 207

Linux How To 207

Network World

AUGUST 20, 2024

There are quite a few ways to extract words and substrings from lines of text on a Linux system, replace them with other strings, select delimiters, and even get rid of white space at the beginning and end of lines. set -- 01234567890abcdef $ echo $1 01234567890abcdef Wrap-up Linux provides many commands to help you manipulate text.

Linux 177

Linux How To Examples Data 177

Network World

OCTOBER 19, 2020

Deploying password-quality checking on your Debian-based Linux servers can help ensure that your users assign reasonably secure passwords to their accounts, but the settings themselves can be a bit misleading.

Linux 192

Linux How To Examples Network 192

Tech Republic Security

JANUARY 7, 2021

Jack Wallen shows you an easy way to determine if your Linux server is under a DDoS attack and how to quickly stop it.

Linux 213

Linux How To 213

Tech Republic Data Center

MARCH 3, 2020

Find out how to install Rust on Linux in a few quick steps. Rust is an incredibly important programming language for creating both system and backend software.

Linux 158

Linux How To Programming Software 158

Tech Republic Data Center

SEPTEMBER 29, 2020

If you're looking for a solid web-based Linux admin GUI, look no further than the tried and true Webmin. Jack Wallen shows you how to install it on both Ubuntu Server and CentOS 8.

Linux 177

Linux How To 177

Tech Republic Security

FEBRUARY 19, 2021

Jack Wallen shows you how to gain a bit more security on your Linux servers by blocking users from adding cron jobs.

Linux 187

Linux How To Security 187

CTOvision

MARCH 23, 2021

Read Simon Quain explain how to visualize complex data with Timelion, a plugin for Elasticsearch on Tech Radar : You’ve probably heard of Elasticsearch – the search engine that enables […].

How To 237

How To Linux Data Engineering 237

Tech Republic Security

AUGUST 13, 2020

Want to hide files and folders from your Linux desktop file manager? Jack Wallen shows you one handy method.

Linux 203

Linux How To 203

Tech Republic Cloud

DECEMBER 13, 2021

If you'd like to employ a Chromebook as a developer machine, you might be interested in a new multi-Linux container feature in Chrome OS 98. Jack Wallen shows you how to enable and use it.

Linux 183

Linux How To Development 183

Tech Republic Security

SEPTEMBER 18, 2020

Looking for an easy to use encryption tool to protect data on your Linux servers? Jack Wallen shows you how to install and use gocryptfs to serve that very purpose.

Linux 170

Linux How To Tools Data 170

Tech Republic Data Center

NOVEMBER 10, 2020

Jack Wallen shows you how easy it is to repair the GRUB2 boot loader in Linux.

Linux 183

Linux How To 183

Tech Republic Security

JUNE 30, 2021

Jack Wallen installed 1Password on Linux and found it to be a fantastic solution for password management. Follow his tutorial on how to get this proprietary solution installed on your open source OS.

Linux 146

Linux How To Open Source 146

Network World

OCTOBER 24, 2024

There are many types of files on Linux systems and numerous ways to look at them, from listing permissions to viewing content. Permissions and ownership Listing files on Linux with the ls -l command provides information on the file’s owner and associated group. You just need to pick the right command to get the information you need.

Linux 147

Linux How To Examples Groups 147

Tech Republic Cloud

NOVEMBER 5, 2020

Looking to install the latest version of the Nextcloud Desktop client on Linux? Jack Wallen shows you how.

Linux 185

Linux How To 185

Tech Republic Data Center

AUGUST 5, 2022

If you're having trouble figuring out how to connect Windows 10 or 11 to your data center Samba shares, Jack Wallen eases your concern with the simple steps to make this work. The post How to connect to Linux Samba shares from Windows appeared first on TechRepublic.

Linux 156

Linux Windows How To Data Center 156

Tech Republic Security

NOVEMBER 24, 2020

If you've had files deleted by a hacker or you've accidentally removed them, Jack Wallen shows you how to recover that missing data with a handy tool called testdisk.

Linux 217

Linux How To Tools Data 217

Tech Republic Data Center

DECEMBER 15, 2020

Linux kernel 5.9 Jack Wallen highlights the improvements and shows how to install the mainline kernel. has arrived with plenty of performance boosting to intrigue data center admins.

Linux 148

Linux How To Data Center Data 148

Tech Republic Security

FEBRUARY 10, 2023

A new Linux version of Royal ransomware is targeting VMware ESXi virtual machines. Learn more about this security threat and how to protect from it. The post Royal ransomware spreads to Linux and VMware ESXi appeared first on TechRepublic.

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Vmware Linux Virtualization Security 192

Tech Republic Security

APRIL 8, 2024

Read about a supply chain attack that involves XZ Utils, a data compressor widely used in Linux systems, and learn how to protect from this threat.

Linux 204

Linux System Data How To 204

Tech Republic Data Center

JULY 27, 2021

Jack Wallen has discovered a fantastic Linux performance monitor that is easy to use and gives you all the information you need at a glance. Here's how to install and use Netdata.

Linux 155

Linux How To 155

Tech Republic Security

NOVEMBER 6, 2020

If you're not sure how to view your SSH certificates, Jack Wallen walks you through the steps on Linux, macOS, and Windows.

Linux 160

Linux Windows How To 160

Association of Information Technology Professional

JUNE 11, 2021

Prepare for the new CompTIA Cloud+ with the exam objectives, CompTIA Labs, fundamental network skills and knowledge of Windows and Linux.

Study 265

Study Cloud How To Linux 265

Tech Republic Data Center

JULY 16, 2021

Microsoft Linux has arrived, but it's not what you imagined. Jack Wallen shares his take on this new arrival called CBL-Mariner and even shows you how to build it.

Linux 217

Linux Microsoft How To 217

Tech Republic Security

AUGUST 5, 2021

You'll also learn why disabling the Linux login banner helps make your Linux servers more secure.

Linux 157

Linux How To Security 157

Tech Republic Security

FEBRUARY 28, 2020

If your desktop of choice is Linux, you don't have to be without a 2FA tool, thanks to OTPClient.

Linux 185

Linux Open Source Tools How To 185

Network World

AUGUST 9, 2024

It’s not just knowing how to set up and maintain your servers and understanding how system commands work that makes you a good system administrator. I spent more than 30 years managing Linux servers. Rule 17: Never stop picking up new skills Managing Linux servers can be a very time-consuming and demanding task.

Linux 158

Linux Disaster Recovery Backup System 158

Tech Republic Data Center

JUNE 29, 2021

Your Linux server libraries might be out of date, leading to security issues. CloudLinux has a tool that can quickly list those out-of-date libraries on AlamaLinux or a similar distribution.

Linux 190

Linux How To Tools Security 190

Tech Republic Data Center

JUNE 4, 2021

Bash scripting is every Linux administrator's Swiss Army knife. Learn how using a for-loop in conjunction with Bash scripts can produce powerful results.

Systems Administration 184

Systems Administration Linux System How To 184