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5 scripts for getting started with the Nmap Scripting Engine

The NSE boosts Nmap's power by adding scripting capabilities (custom or community-created) to the network scanning tool.

3 tools for troubleshooting packet filtering

Use Nmap, Wireshark, and tcpdump to sniff out router problems on your network.

How to troubleshoot DHCP communication problems on your network

Use Nmap, tcpdump, and Wireshark to discover why your enterprise switch and clients aren't communicating IP configurations correctly.

How to use Podman to get information about your containers

Use the podman ps command to get size, resource consumption, and other information about your containers.

Create fast, easy, and repeatable containers with Podman and shell scripts

Get started with containers in a fast, repeatable way through the familiar shell scripting interface.

Top 10 container guides for sysadmins

Learn what's happening in the world of containers and how to better manage this technology.

How to use the Linux BIND command to install and configure DNS

The Domain Name System helps you get where you want to be on the internet. Make sure you know what it is and how to set up, configure, and test it.

Edit sshd_config using a Bash script

Using Bash scripts can ensure consistent configuration of SSH and other services.

How OpenStack uses Ceph for storage

You may know that OpenStack can use Ceph as back-end storage, but do you know how it works?

How to install software packages with an Ansible playbook

Learn how to install new software packages on all your managed hosts with a single Ansible playbook.

By the numbers: Getting your team on board with IT automation

See how you can automate rote tasks and shift your focus to more attractive projects.

Forcing Linux system password changes with the chage command

Users are generally slow to change passwords. Here's how to nudge them into compliance.

Improve Linux performance, trigger Ansible with Git push, and more tips for sysadmins

Check out Enable Sysadmin’s 10 most-read articles from July 2021.

Learn the networking basics every sysadmin needs to know

Networking is one of a sysadmin’s most important duties, so make sure you have the essentials covered.

Tales from the field: A system administrator's guide to IT automation

Download this collection of short stories about the excitement, frustrations, and challenges associated with learning IT automation.

13 essential skills sysadmins need to make a career move into management

Want to make a move from system administration into management? Acquire these 13 skills.

The 5 things I wish I'd known before becoming a sysadmin

Being an IT professional, you know that information is important. Here are five bits of information I wish I'd known before signing on the dotted line as a sysadmin.

Linux GECOS information demystified

If you ever wanted to know what GECOS is and why it's important to you, here are the answers

Encrypting and decrypting archives with 7-Zip

You can compress and encrypt archives with 7-Zip with AES-256 encryption. Find out how.

How I saved time with automation

How an IT automation initiative streamlined business practices, reduced contested billing, and even helped to satisfy a law enforcement request.

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