Articles
Traffic analysis with mitmproxy
The mitmproxy tool puts interactive traffic analysis in your hands.
Web applications with Julia
The technical programming language Julia is fast becoming a favorite with scientists and engineers of all stripes, but it is also well suited to form the backbone of interactive websites that explain these science and engineering concepts.
ASM tools and strategies for threat management
The tools used in attack surface management help identify attack surfaces more precisely and respond to changes in risk situations.
Purdue Model for industrial networking
The Purdue Model maps the challenges of networking industrial systems to five levels, helping to target and mitigate risk and address vulnerabilities. We look at the Purdue Model in detail, investigate an implementation tool, and explain the role of zero trust.
Optimizing domain controller security
Configure your domain controller security settings correctly with Policy Analyzer and current Microsoft baselines for a leak-tight Active Directory.
Automating deployments on Proxmox with OpenTofu and cloud-init
Use OpenTofu and cloud-init to deploy virtual machines in a Proxmox hypervisor and populate them automatically with services.
Centrally manage configuration files
The GNU Stow tool in combination with Ansible can help you manage configuration files.
Passwords, passphrases, and passkeys
Many rules for secure passwords pose major obstacles for unsuspecting users. We investigate how meaningful rigid guidelines are, restate how important passphrases and passkeys are becoming, and offer two recommendations for team-capable password management.
Designing a secure Active Directory
Many experienced administrators find that Active Directory is particularly problematic in terms of security. We reflect on the secure design, rigorous hardening, and security-conscious management of this service.
Remote access with Tactical RMM
The Tactical RMM open source tool offers a combination of remote monitoring and management, with agents to support Linux, macOS, and Windows.
Subscribe to our ADMIN Newsletters
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Most Popular
Support Our Work
ADMIN content is made possible with support from readers like you. Please consider contributing when you've found an article to be beneficial.
