Linux Today - Security

This brief tutorial explains how to reset Root user password from emergency mode or single user mode.

ZDnet: In its latest study, the Linux Foundation's Core Infrastructure Initiative discovered just how prevalent open-source components are in all software and their shared problems and vulnerabilities.

Security audits are no laughing matter.

 ostechnix: This brief tutorial explains how to limit the number of SSH logins per user or group or system on Linux using /etc/security/limits.conf file.

Firewalls are great but they're ineffective if something goes wrong with them

devconnected: Chown is a command on Linux that is used in order to change the owner of a set of files or directories.

HowToForge: LibModSecurity is a free and open-source web application firewall (WAF) that can be used to protect an Nginx server from different kinds of cyberattacks

ZDnet: Google Project Zero scolds Samsung and other vendors for adding features that undermine Android security.

9to5Linux: New features in the Tails 4.3 release include a command-line utility that lets users manage their Trezor cryptocurrencies.

OpenSMTPD recently had a critical remote code execution vulnerability.

Have you ever wondered how to quickly encrypt a file from the command line?

Learn how to change the default time limit for the sudo session.

Linux Access Control Lists, or ACLs, can take some getting used to

itsFOSS: What is WireGuard and what makes it so special?

The LDAP protocol is very useful to centralize authentication.

ZDnet: VPN's are about to be ...disrupted.

The vulnerability affects Sudo versions prior to version 1.8.26, from 1.7.1 to 1.8.25p1

Written in Rust, OpenSK supports both FIDO2 and FIDO U2F standards

This tutorial shows you how to enable a visual response (Asterix) when entering a sudo password in Debian 10 on the shell.

 Wireguard is a next generation VPN technology and it's finally coming to the mainline Linux kernel

eSecurityPlanet: When considering cloud security products, it's important to recognize and understand the different categories of solutions that are available to help organizations reduce risk and improve security.

The Kali Linux 2020.1 release is now available for download

VeraCrypt is an open-source tool for encrypting files, folders and entire partitions

MakeTechEasier: Have you wondered how Linux efficiently manages a multi-user environment?

The iptables command is a powerful interface for your local Linux firewall.

Learn to use chown with some practical examples.

Linux can get viruses, but you don't need an antivirus?!