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10 posts with tag "security"


Manage Your Passwords With KeePass in Linux And Android

How to manage your passwords on Linux (Ubuntu) workstations, Android devices using KeePass. How to sync to make them available anywhere.

Easily Compress and/or Encrypt Files in Linux Using 7z (p7zip) Archiver

7z is an excellent archiving software offering high compression ratio and strong AES-256 encryption.

Package Management and System Update in Ubuntu Desktop

Find out how to add and remove software and apply system updates in Ubuntu Desktop (GUI utilities and command line version).

How to Remove Old Kernels in Debian and Ubuntu

After installing a new Linux kernel, old kernels are not automatically deleted. They remain in your disk. You have to delete them manually. Why?

A Simple Guide to Obtain and Install an SSL Certificate

Criteria for selecting the right SSL Certificate. Detailed instructions on how to setup the certificate in a Debian server. Validate your certificate.

Securing web applications with modsecurity on Debian Wheezy

Simple steps to enable and configure mod-security Apache module on Debian Wheezy, using Core Rule Set (CRS)

How to setup OpenVPN on Debian server

Detailed guide to create OpenVPN server on Debian. Manage VPN users. Connect from any operating system.

Install and Config Psad in Debian 7 Wheezy

Psad is an intrusion prevention software, which makes use of iptables log messages to detect and (optionally) block port scans and other suspect traffic.

Install and Config Fail2Ban in Debian 7 Wheezy

Fail2Ban is an intrusion prevention software which analyzes log files and ban possible attacks (mainly Brute-force), using firewall (iptables and more).

Simple Steps to Update a Debian Server

Updating Debian Server: how to get notifications, how urgent is to upgrade, which are security updates, when reboot required, which services need restart.