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Install and Configure Graylog Monitoring Server Ubuntu 20.04
(Sep 23, 2020, 06:00) (0 talkbacks)

Graylog is a free and open-source log management software tool that can be used to monitor log of the network systems from the central server.

Firefox 81 Is Now Available for Download, Here's What's New
(Sep 22, 2020, 06:00) (0 talkbacks)

Firefox 81 continues the monthly release cycle and brings a bunch of new features and improvements

Introduction to Linux firewalld zones and rules
(Sep 18, 2020, 08:00) (0 talkbacks)

In this article, we look at three slightly more advanced features of firewalld and how to configure each.

Linux troubleshooting: Setting up a TCP listener with ncat
(Sep 09, 2020, 11:00) (0 talkbacks)

Is it the firewall or something more sinister that's blocking your access to a service?

Auto Logout Inactive Users After A Period Of Time In Linux
(Sep 09, 2020, 08:00) (0 talkbacks)

This brief tutorial describes how to auto logout inactive users after a particular period of time in Linux and Unix-like operating systems.

Canonical Releases New Ubuntu Kernel Update to Fix a Vulnerability, Patch Now
(Sep 08, 2020, 18:00) (0 talkbacks)

This new Linux kernel security update comes only five days after Canonical released the major kernel updates for all supported Ubuntu releases.

RedCommander: Open source tool for red teaming exercises
(Sep 07, 2020, 06:00) (0 talkbacks)

The RedCommander tool solves a major challenge for red teams around the installation and operation of infrastructure by combining automation scripts and other tools into a deployable package.

How to Open a Port for a Specific IP Address in Firewalld
(Sep 04, 2020, 13:00) (0 talkbacks)

How to allow traffic from a specific IP address through firewalld to a specific port or service on a Red Hat Enterprise Linux (RHEL) or CentOS server.

How to make the most of OpenSSH
(Sep 04, 2020, 11:00) (0 talkbacks)

OpenSSH is a network connectivity and remote login tool that securely encrypts all traffic.

SSH password automation in Linux with sshpass
(Sep 01, 2020, 08:00) (0 talkbacks)

The sshpass utility helps administrators more easily manage SSH connections in scripts.

IPFire Linux Firewall Now Ships with the IPFire Location Database
(Aug 31, 2020, 15:00) (0 talkbacks)

With IPFire Location you'll be able to better secure your firewall by analyzing the origin of attacks and blocking attackers from certain countries.

How and Why to Change the Default SSH Port on Linux
(Aug 26, 2020, 10:00) (0 talkbacks)

How to change the SSH default port in Linux, and go over why changing this default port is a good idea.

Fuzzing the Linux kernel (x86) entry code, Part 1 of 3
(Aug 25, 2020, 15:00) (0 talkbacks)

If you've been following Linux kernel development or system call fuzzing at all, then you probably know about trinity and syzkaller.

Enough with the Linux security FUD
(Aug 25, 2020, 14:00) (0 talkbacks)

Every few weeks, another security story appears saying how insecure Linux is. There's only one problem with most of them: They're fake news. The real problem is incompetent system administrators.

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