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UbuntuMint – Everything About Ubuntu Linux
  • Ubuntu
    • Ubuntu Tutorials
    • Ubuntu Tools
  • Debian
    • Debian Tutorials
  • Linux Mint
  • Kali Linux
  • Guides
    • Linux Commands
      • Git Commands
      • Homebrew Commands
      • SSH Commands
      • MySQL Commands
      • Curl Commands
      • Pacman Commands
    • CLI Tips
    • Linux Tools
    • Linux File Series
  • About Us
    • Contact Us
    • Submit Articles
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Linux Security

Find Files with SELinux Context

How to Find Files by SELinux Security Context, Labels and Types

SELinux (“Security-Enhanced Linux”) is a robust security framework within some Linux distributions like Fedora, which utilizes security contexts to enforce fine-grained access controls and protect

Install SELinux to Harden Apache Webserver

How to Install SELinux to Harden Apache Webserver

Security Enhanced Linux or SELinux is responsible for the implementation of mandatory access control mechanisms on major Linux distributions like Fedora, RHEL, and Rocky Linux.

Install SELinux to Harden Nginx Webserver

How to Install SELinux to Harden Nginx Webserver

For Linux users that have exposed themselves to RHEL-based distributions like RHEL, Fedora, AlmaLinux, and Rocky Linux, SELinux is not a new concept to them

How to Use Netcat to Scan Open Ports in Linux

The Netcat (in short NC) is a feature-rich computer networking, debugging and investigation utility that supports an extensive range of commands to manage networks and

How to Generate Self-Signed SSL Certificates using OpenSSL

Ideally, SSL certificates are issued by publicly trusted certificate authorities (e.g. Let’s Encrypt, Comodo, Verisign) to provide authentication and encryption on the internet. However, you

How to Disable SSH Login to Specific User in Linux

As you might already know, SSH (Secure Shell) is a network protocol for securely accessing a computer remotely. The server and client software in Linux

How to Block a Port Using a Firewall in Linux

A firewall is either a software-based or, in some cases, a hardware-based security system for networks. It automatically monitors traffic inflow and outflow on the

How to Find and Close Open Ports in Linux

Network and Server administration is one of the key areas in which Linux is actually preferred to any other operating system. Hence most data center

How to Find What IP Addresses are Connected to Linux

A server is application software that listens to requests over a network and returns the requested files, data, etc. Linux machines have servers installed for

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