Free NTFS write solution in Mac OS X

NTFS file system is designed to work with Windows but In Mac macOS writing to NTFS volumes are impossible without additional software. There are some software which require you to pay for it, but this method is easy and free.

1- You’ll need Apple’s command line developer tools. If you haven’t installed them yet, you can open a Terminal and run the following command:

xcode-select --install

Click “Install” when you’re prompted to install the tools.

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Create an automated letsencrypt certificate for the Apache web service on Ubuntu 16.04


apt update && apt upgrade -y

apt-get install software-properties-common

add-apt-repository ppa:certbot/certbot

apt update && apt upgrade -y

sudo apt-get install python-certbot-apache

Add domain or subdomain name to create the certificate.
sudo certbot --apache -d smsk.biz -d www.smsk.biz

just for test renew
sudo certbot renew --dry-run

Reload apache service
/etc/init.d/apache2 reload

Add command to crontab for everyday renew.
Because you will be allowed to be renewal the day before your certificate is expire.
crontab -e
0 1 * * * sudo certbot renew --quiet
[wpedon id=”539″ align=”right”]

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QR Code Bug in Apple iOS 11 Could Lead You to Malicious Sites

A new vulnerability has been disclosed in iOS Camera App that could be exploited to redirect users to a malicious website without their knowledge.

The vulnerability affects Apple’s latest iOS 11 mobile operating system for iPhone, iPad, and iPod touch devices and resides in the built-in QR code reader.

With iOS 11, Apple introduced a new feature that gives users ability to automatically read QR codes using their iPhone’s native camera app without requiring any third-party QR code reader app.

You need to open the Camera app on your iPhone or iPad and point the device at a QR code. If the code contains any URL, it will give you a notification with the link address, asking you to tap to visit it in Safari browser.

However, be careful — you may not be visiting the URL displayed to you, security researcher Roman Mueller discovered.
According to Mueller, the URL parser of built-in QR code reader for iOS camera app fails to detect the hostname in the URL, which allows attackers to manipulate the displayed URL in the notification, tricking users to visit malicious websites instead.

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Apple macOS Bug Reveals Passwords for APFS Encrypted Volumes in Plaintext

A severe programming bug has been found in APFS file system for macOS High Sierra operating system that exposes passwords of encrypted external drives in plain text.
Introduced two years ago, APFS (Apple File System) is an optimized file system for flash and SSD-based storage solutions running MacOS, iOS, tvOS or WatchOS, and promises strong encryption and better performance.

Discovered by forensic analyst Sarah Edwards, the bug leaves encryption password for a newly created APFS volume (e.g., encrypting USB drive using Disk Utility) in the unified logs in plaintext, as well as while encrypting previously created but unencrypted volumes.
“Why is this a big deal? Well, passwords stored in plaintext can be discovered by anyone with unauthorized access to your machine, and malware can collect log files as well and send them off to someone with malicious intent,” Edwards said.

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Linux Sunucularda herhangi bir log dosyasını syslog sunucuya aktarmak

Özel olarak faklı bir dosyaya yazılan loğları log sunucusuna göndermek için şu adımlar takip edilir.

Bu örnekte postgres pg_log dosyası içerisine kaydedilen loğları log sunucusuna gönderiyoruz.

Bu örnekler ilgili log dosyası kaynağı değiştirilerek ve etiketleme yapılarak çoğaltılabilir.

Önce konfigürasyon dosyamızı oluşturuyoruz.

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Local Ubuntu Repository Server

If you want to setup this configuration you need to minimum 350Gb free disk space.

############### Server Side ###############

sudo apt-get install apache2

sudo apt-get install apt-mirror

sudo mkdir -p /Mirror/apt-mirror

sudo vi /etc/apt/mirror.list

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OpenVas Installation on Ubuntu 16.04

Adding this PPA to your system

You can update your system with unsupported packages from this untrusted PPA by adding ppa:mrazavi/openvas to your system’s Software Sources.

sudo add-apt-repository ppa:mrazavi/openvas
sudo apt-get update

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How to Install and Configure MRTG on Ubuntu Server

This post will describe how to install and configure Tobi Oetiker’s MRTG (Multi Router Traffic Grapher) on your Ubuntu server. All steps assume that the Apache http server is installed and operating correctly. Once configured, you’ll be able to use MRTG to monitor the traffic in and out of your network using the SNMP capability in your network’s gateway\router. MRTG generates static HTML pages containing PNG images which provide a visual representation of this traffic. MRTG typically produces daily, weekly, monthly, and yearly graphs. MRTG is written in perl and works on Unix/Linux as well as Windows. MRTG is free software licensed under the GNU GPL.

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Chrome java update problem

Enabling NPAPI in Chrome Version 42 and later

As of Chrome Version 42, an additional configuration step is required to continue using NPAPI plugins.

  1. In your URL bar, enter:
    chrome://flags/#enable-npapi
  2. Click the Enable link for the Enable NPAPI configuration option.
  3. Click the Relaunch button that now appears at the bottom of the configuration page.

Developers and System administrators looking for alternative ways to support users of Chrome should see this blog, in particular “Running Web Start applications outside of a browser” and “Additional Deployment Options” section.

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