UNIX

Critical Samba code execution hole plugged, patch ASAP!

The developers of Samba have plugged a critical remote code execution flaw that could allow a malicious client to upload a shared library to a …

Information Security

Did a mysterious Lost & Found folder just appear on your Mac? It could mean trouble

Joseph Pierpoint discovered a folder in his Trash labeled “Lost & Found.” When he opened it, he found it contained over 50,000 files. Worse, “Any …

First Aid

How to configure Samba to use SMBv2 and disable SMBv1 on Linux or Unix

I am a new Linux user and for security reasons and to avoid ransomware, I would like to disable the SMB1 protocol in samba configuration on a CentOS …

Linux

Health tips for Unix systems

Periodic health checks can help ensure that your Unix systems are going to be available when they're needed most. In this post, we're going to look …

Business Technology

10 Unix commands every Mac and Linux user should know

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system …

Linux

10 Unix commands every Mac and Linux user should know

Graphical interfaces are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get acquainted with the Unix command line. Point-and-click is wonderful whenever you …

Linux

How to install GoAccess web log analyzer with Nginx on Linux or Unix

GoAccess is a real-time Apache/Nginx/Lighttpd web log analyzer and interactive viewer that runs in a terminal and provides fast and valuable HTTP …

Linux

Securing risky network ports

Data packets travel to and from numbered network ports associated with particular IP addresses and endpoints, using the TCP or UDP transport layer …

Information Security

Why read/write permissions go awry with macOS File Sharing

Jan Miller writes:I have six computers and use a Mac mini as a fileserver with sharing set up on it. About every week some of the files become …

OS X Server

Cugu's blog

Apr 22, 2017<p>APFS filesystem format<p>I started to reverse engineer APFS and want to share what I found out so far. You can send me feedback and ideas on …

DevOps

SSH Port

The SSH (Secure Shell) port is 22. It is not a co-incidence. This is a story I (Tatu Ylonen) haven't told before.<p>The Story of Getting SSH Port 22<p>I …

Programming

Finally switching to vim

This article is just a selection of things I found helpful when switching to vim. So when someone asks for help because he or she wants to switch to …

Programming

Tuning the Log Buffer Size

There are two classes of LGWR writes: background writes, and sync writes. The distinction is merely as to whether another process has to wait for the …

Distributed Systems

The Definitive Guide to Object Streams in Node.js

Node.js Streams come with a great power: You have an asynchronous way of dealing with input and output, and you can transform data in independent …

JavaScript

Threat Spotlight: LovxCrypt Ransomware

Introduction<p>A ransomware infection can affect both home users and business organizations. It can result in financial losses if you pay the attacker …

Slightly Advanced Techniques

So far, this guide has talked about sending data from one host to one other host. But it is possible, I insist, that you can, with the proper …

PHP

Organic Compost and Soil Store in Raleigh, NC

Soil3 Dealer - Raleigh, NC<p>Serving Raleigh, NC and The Triangle.<p>Soil3 Organic Humus Compost and Doc's Raised Garden Kits are available for pick-up or …

Soil

Z80 Fuzix Is Like Old Fashioned Unix

Classic Z80 computers tend to run CP/M. If you’re a purist you’ll be happy with that because that’s certainly what most serious Z80 computers ran …

Linux

New approaches to network fast paths

With the speed of network hardware now reaching 100 Gbps and distributed denial-of-service (DDoS) attacks going in the Tbps range, Linux kernel …

Linux

Loading Data into a DB Cluster from Text Files in an Amazon S3 Bucket - Amazon Relational Database Service

Loading Data into a DB Cluster from Text Files in an Amazon S3 Bucket<p>Note<p>Loading data into a table from text files in an Amazon S3 bucket is …

Databases

How to Write a Git Commit Message

31 Aug 2014 | revision history<p>Introduction: Why good commit messages matter<p>If you browse the log of any random Git repository, you will probably find …

Programming

10 Must know terminal commands and tips for productivity (Mac edition)

Before I start I have to mention this is heavily inclined towards Mac OS, since we’re going to be installing iTerm2, some commands apply for Linux as …

Linux

Building a NAS

Background<p>I’ve been fascinated by high-volume, fault-tolerant data storage systems for a long time. I started my data storage setup in earnest with a …

Linux

CVE-2017-3881 Cisco Catalyst RCE Proof-Of-Concept

Do you still have telnet enabled on your Catalyst switches? Think twice, here’s a proof-of-concept remote code execution exploit for Catalyst 2960 …

What is an IP address—and how do you find it?

You’ve seen it mentioned by your cable company, your browser, and your Xbox, but do you know what your IP address is? Not the IP itself, that …

Cyberspace

10 ways to use grep to search files in Linux

The grep command is a powerful tool for searching for files or information. Learn some strategies for using it effectively.<p>Windows search is not …

Linux

Managing Organization Policies

Policies in AWS Organizations enable you to apply additional types of management to the AWS accounts in your organization. Policies are enabled only …

Amazon Web Services

Top 10 Python IDE for Developers

Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to …

Software Development

Take Command of Your Linux System's Processes

Who's afraid of the Linux terminal? Not you, if you've gotten your feet wet and learned the basics of navigating your system. But how will these …

Linux

How to Get More of Your Search Console Data from the API (Plus, Learn How to Use Python)

What will you learn from this post?<p>How to get lots of Search Console data quickly and easily<br>• How to run a Python script<p>And who can do it? Hopefully, …

SEO