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Advisories This Week: 159

LinuxSecurity HOWTOs

Learn from the Experts in LinuxSecurity, find the HOWTO or step-by-step guide that you need right here. 

How to Learn Tips and Tricks

How to Clone/Backup Linux Systems Using – Mondo Rescue Disaster Recovery Tool

Learn how to clone/backup your Linux system using Mondo Rescue, an open-source disaster recovery and backup utility that allows you to easily create complete system clone/backup ISO images to prevent data loss. ...
Jul 05, 2021
  35

How to Learn Tips and Tricks

How to scan your RHEL-based Linux servers for outdated libraries with CloudLinux UChecker

Outdated Linux server libraries may be leaving your ser...
Jun 30, 2021
  55
How to scan your RHEL-based Linux servers for outdated libraries with CloudLinux UChecker

How to Secure My Network

20 Netstat Commands for Linux Network Management

Learn 20 useful netstat commands for network monitoring...
Jun 30, 2021
  41
20 Netstat Commands for Linux Network Management

Discover More LinuxSecurity HOWTOs

  • How To Harden My Filesystem
  • How To Learn Tips And Tricks
  • How To Secure My E-Mail
  • How To Secure My Firewall
  • How To Secure My Network
  • How To Strengthen My Privacy
  • How To Secure My Webserver

How to Harden My Filesystem

File encryption and decryption made easy with GPG

GPG is a popular and powerful Linux file encryption too...
Jun 22, 2021
File encryption and decryption made easy with GPG

7 Tools to Encrypt/Decrypt and Password Protect Files in Linux

Learn about seven great tools you can use to encrypt/de...
May 27, 2021
7 Tools to Encrypt/Decrypt and Password Protect Files in Linux

Bolt-On Security the Linux Way

Learn how to easily and securely encrypt files on Linux...
May 13, 2021
Bolt-On Security the Linux Way

Understanding Linux File Permissions

Learn about Linux file permissions and how they can be ...
May 05, 2021
Understanding Linux File Permissions

Get No-Fuss File-Level Crypto With Fscrypt

Learn how to use fscrypt to create an encrypted filesys...
Dec 17, 2020
Get No-Fuss File-Level Crypto With Fscrypt

How to encrypt files on your Linux servers with gocryptfs

Looking for a user-friendly encryption tool to secure d...
Sep 21, 2020
How to encrypt files on your Linux servers with gocryptfs

Cryptmount – A Utility to Create Encrypted Filesystems in Linux

Looking for a way to create encrypted filesystems on Li...
Jun 12, 2020
Cryptmount – A Utility to Create Encrypted Filesystems in Linux

How to password protect files in Vim editor

Looking to secure your confidential files against unaut...
May 25, 2020
How to password protect files in Vim editor

Getting started with GPG (GnuPG)

Want to learn how to encrypt or sign files using GNU Pr...
May 22, 2020
Getting started with GPG (GnuPG)

How to encrypt compressed files the easy way from Windows, macOS, or Linux

Learn to easily secure multiple documents by encrypting...
May 20, 2020
How to encrypt compressed files the easy way from Windows, macOS, or Linux

How to Learn Tips and Tricks

How to Clone/Backup Linux Systems Using – Mondo Rescue Disaster Recovery Tool

Learn how to clone/backup your Linux system using ...
Jul 05, 2021
How to Clone/Backup Linux Systems Using – Mondo Rescue Disaster Recovery Tool

How to scan your RHEL-based Linux servers for outdated libraries with CloudLinux UChecker

Outdated Linux server libraries may be leaving your ser...
Jun 30, 2021
How to scan your RHEL-based Linux servers for outdated libraries with CloudLinux UChecker

Call for Contributors with Ubuntu/Debian Experience!

Greetings fellow Linux security enthusiasts, Intereste...
Jun 14, 2021
Call for Contributors with Ubuntu/Debian Experience!

How to Do Security Auditing of Linux System Using Lynis Tool

Learn how to install and use Lynis 3.0.4 to automa...
Jun 03, 2021
How to Do Security Auditing of Linux System Using Lynis Tool

How to reset AlmaLinux / Rocky Linux 8 root password

Learn how to reset or recover a forgotten root user pas...
Jun 01, 2021
How to reset AlmaLinux / Rocky Linux 8 root password

Install, Configure & Use Fail2ban on Ubuntu 20.04 LTS Server

Learn how to install and configure Fail2ban server, cli...
May 24, 2021
Install, Configure & Use Fail2ban on Ubuntu 20.04 LTS Server

5 Ways to Safely Download Software on Linux

Using Linux isn't an automatic safeguard against viruse...
May 24, 2021
5 Ways to Safely Download Software on Linux

SSH Passwordless Login Using SSH Keygen in 5 Easy Steps

Learn how to increase the trust between two L...
May 21, 2021
SSH Passwordless Login Using SSH Keygen in 5 Easy Steps

Systemd Service Hardening

Learn how to reduce the attack surface of your Linux sy...
May 18, 2021
Systemd Service Hardening

How to connect Ubuntu Linux Desktop 21.04 to an Active Directory domain

Canonical has made it easy for admins to join Ubuntu De...
May 14, 2021
How to connect Ubuntu Linux Desktop 21.04 to an Active Directory domain

How to Secure My E-mail

(Don't) Return to Sender: How to Protect Yourself From Email Tracking

Tracking is everywhere on the Internet. Over the past y...
Jan 18, 2019

Verify Your Email Security With tcpdump

I confess, I'm an outlaw at heart. I like using packe...
Sep 30, 2008

Configure Custom Postfix Bounce Messages

In the event that a message is wrong, a sender isn't re...
Mar 05, 2008

OS Tool of the Month: GnuPG Setup Guide

Do you use Windows? Do you want to use GnuPG? Are you n...
Jan 28, 2008

Make Spam Assassin Do your Bidding

Are you using SpamAssassin, but the rulesets you curren...
Nov 21, 2007

ASSP With Embedded ClamAV Integrated Into Postfix With Virtual Users And Domains

This HOWTO, from Howtoforge.com provides a great look i...
Nov 09, 2007

Full Mail Server Solution w/ Virtual Domains & Users

HOWTOForge is a great place to pick up some great guide...
Nov 07, 2007

Secure POP via SSH mini-HOWTO

This document explains how to set up secure POP connect...
Nov 29, -0001

Simple Email Encryption. No Software. No Restrictions. No headaches!

This paper highlights PostX's Messaging Application Pla...
Nov 29, -0001

Qmail-Scanner and ClamAV HowTo

This HOWTO describes how to integrate ClamAV, an anti-v...
Nov 29, -0001

How to Secure My Firewall

How to configure firewalld rules in Linux

Learn how to add, remove, enable, and disable firewalld...
May 11, 2021
How to configure firewalld rules in Linux

How to Configure the Firewall in Ubuntu With UFW

Want to take your system security to the next level? Le...
May 03, 2021
How to Configure the Firewall in Ubuntu With UFW

OPNsense set up and configure DNS Over TLS (DoT)

OPNsense is an open-source, FreeBSD-based firewall and ...
Mar 10, 2021
OPNsense set up and configure DNS Over TLS (DoT)

Linux firewall basics with ufw

This helpful tutorial examines ufw - the uncomplicated ...
Mar 26, 2020
Linux firewall basics with ufw

Deploying A Content Filtering Proxy Server To Distribute Controlled Internet Access With SafeSquid

A content filtering proxy server, helps distribute Inte...
Mar 07, 2008

A Linux firewall primer

This article looks at some of the decision consideratio...
Nov 29, -0001

Linux Firewalls: Packet Filtering

This article explains the general frame of reference fo...
Nov 29, -0001

Adaptive Linux Firewalls

The objective of this document is to demonstrate how to...
Nov 29, -0001

Firewall and Proxy Server HOWTO

This document is designed to describe the basics of fir...
Nov 29, -0001

The Perfect Linux Firewall Part I -- IPCop

This document describes how to install the GNU/Linux GP...
Nov 29, -0001

How to Secure My Network

20 Netstat Commands for Linux Network Management

Learn 20 useful netstat commands for network monitoring...
Jun 30, 2021
20 Netstat Commands for Linux Network Management

How to check if a port is open on remote Linux system

Learn three methods you can use to check if a network p...
Apr 20, 2021
How to check if a port is open on remote Linux system

6 advanced tcpdump formatting options

Learn six advanced tcpdump packet capturing trick optio...
Apr 19, 2021
6 advanced tcpdump formatting options

Tcpdump cheat sheet with examples

Get started using tcpdump for network troubleshoot...
Apr 07, 2021
Tcpdump cheat sheet with examples

How to Configure FirewallD in RHEL, CentOS and Fedora

Learn how to securely configure FirewallD to manag...
Apr 06, 2021
How to Configure FirewallD in RHEL, CentOS and Fedora

How to identify potentially vulnerable network daemons on your Linux systems

Learn how to use nmap to identify potentially vuln...
Mar 26, 2021
How to identify potentially vulnerable network daemons on your Linux systems

Enumerating a new network with Nmap

Learn about some basic Nmap flags that you can use to g...
Feb 09, 2021
Enumerating a new network with Nmap

How to Enable Timestamp in Linux Ping Command Output

Learn how to enable timestamp in the ping command ...
Jan 04, 2021
How to Enable Timestamp in Linux Ping Command Output

NETCAT: THE SWISS ARMY KNIFE YOU MUST HAVE

Learn how the user-friendly, feature-rich Netcat tool c...
Dec 29, 2020
NETCAT: THE SWISS ARMY KNIFE YOU MUST HAVE

How to Secure Network Services Using TCP Wrappers in Linux

Learn about TCP wrappers and how they can be used ...
Dec 02, 2020
How to Secure Network Services Using TCP Wrappers in Linux

How to Strengthen My Privacy

How to Browse with Tor to Protect Your Privacy Online

If you're concerned about online privacy, then you shou...
Jun 21, 2021
How to Browse with Tor to Protect Your Privacy Online

How to enable SSH 2FA on AlmaLinux for more secure logins

If you've made the switch to AlmaLinux, you should enab...
May 28, 2021
How to enable SSH 2FA on AlmaLinux for more secure logins

How to Generate Strong and Random PSK Keys on Linux

Want to ensure your Linux PSKs are secure? Learn how to...
Apr 27, 2021
How to Generate Strong and Random PSK Keys on Linux

How to Add Fingerprint Login in Ubuntu and Other Linux Distributions

GNOME and KDE now support fingerprint login t...
Feb 11, 2021
How to Add Fingerprint Login in Ubuntu and Other Linux Distributions

How To Install Tor Browser On Ubuntu Linux?

"Sure Linux is the most secure OS out there, ...
Jan 05, 2021
How To Install Tor Browser On Ubuntu Linux?

How to install Tor Browser on Ubuntu 20.04 or 18.04 LTS

Looking to protect your privacy online and surf the web...
Dec 23, 2020
How to install Tor Browser on Ubuntu 20.04 or 18.04 LTS

How to set up Wireguard VPN on CentOS 8

Wireguard is an open-source cross-platform VPN implemen...
Nov 12, 2020
How to set up Wireguard VPN on CentOS 8

How to Set Up WireGuard VPN on Ubuntu 20.04

Learn how to set up WireGuard VPN - an innovative VPN (...
Nov 02, 2020
How to Set Up WireGuard VPN on Ubuntu 20.04

How to hide files from any file manager on the Linux desktop

Want to hide sensitive files and folders from your Linu...
Aug 14, 2020
How to hide files from any file manager on the Linux desktop

Setting up multi-factor authentication on Linux systems

Defense in depth is critical in securing your systems, ...
Aug 13, 2020
Setting up multi-factor authentication on Linux systems

How to Secure My Webserver

The Ultimate Guide to Secure, Harden and Improve Performance of Nginx Web Server

Learn how to secure, harden and improve the performance...
Mar 04, 2021
The Ultimate Guide to Secure, Harden and Improve Performance of Nginx Web Server

Use WPScan to scan WordPress for vulnerabilities on Kali

Learn how to use WPScan to scan WordPress for vuln...
Feb 18, 2021
Use WPScan to scan WordPress for vulnerabilities on Kali

Setting Up a Secure FTP Server using SSL/TLS on Ubuntu

This tutorial examines how to secure a FTP se...
Nov 16, 2020
Setting Up a Secure FTP Server using SSL/TLS on Ubuntu

Setup Passwordless SSH Login for Multiple Remote Servers Using Script

Learn how to setup passwordless SSH key-based authentic...
Oct 08, 2020
Setup Passwordless SSH Login for Multiple Remote Servers Using Script

Using ssh-keygen and sharing for key-based authentication in Linux

Using SSH key-based authentication is beneficial for bo...
Sep 30, 2020
Using ssh-keygen and sharing for key-based authentication in Linux

On secure-shell security

It is 2020, and we can say for sure, that ssh-serv...
Aug 28, 2020
On secure-shell security

Linux Server Security: 10 Linux Hardening & Security Best Practices

Linux is the most popular OS for web-facing computers, ...
Aug 10, 2020
Linux Server Security: 10 Linux Hardening & Security Best Practices

How to set up passwordless SSH authentication for Ubuntu Server

Learn how to enable passwordless SSH authentication on ...
Jul 31, 2020
How to set up passwordless SSH authentication for Ubuntu Server

How to Secure and Harden OpenSSH Server

Looking to secure and harden your OpenSSH server? Check...
Jul 09, 2020
How to Secure and Harden OpenSSH Server

How to assess user activity in Linux

If you’re managing a Linux server, you'll want to have ...
Jun 30, 2020
How to assess user activity in Linux

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LinuxSecurity Poll

How frequently do you patch/update your system?

Message!
No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum 0 answer(s) and maximum 3 answer(s).
/main-polls/52-how-frequently-do-you-patch-update-your-system?task=poll.vote&format=json
52
radio
78.52% votes
14.07% votes
7.41% votes
[{"id":"179","title":"As soon as patches\/updates are released - I track advisories for my distro(s) diligently","votes":"106","type":"x","order":"1","pct":78.52,"resources":[]},{"id":"180","title":"Every so often, when I think of it","votes":"19","type":"x","order":"2","pct":14.07,"resources":[]},{"id":"181","title":"Hardly ever","votes":"10","type":"x","order":"3","pct":7.41,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
bottom 200
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HOWTOs

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Features

How Developers Can Protect Linux From Vulnerabilities
Open Source Utilization in Email Security Demystified
Secure Linux Hosting for Businesses
What Is Threat Intelligence?
CloudLinux Simplifies & Enhances Linux Security with its TuxCare Unified Enterprise Support Services

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