UNIX

What's an easy way to read random line from a file in Unix command line?

What's an easy way to read random line from a file in Unix command line?<p>linux unix command-line<p>Andreas Bonini<p>25.5k24106141<p>Newbie Prog

Linux

Set your alarms for 2.40am UTC – so you can watch Unix time hit 1,500,000,000

At 0240 GMT* precisely on Friday, July 14, an epoch-defining moment will happen. And only real nerds – along with <i>Reg</i> readers – will know what that …

Stack Clash Vulnerability Grants Root Access on Linux and Other UNIX OSes

A vulnerability nicknamed "Stack Clash" allows an attacker to gain root privileges on a UNIX system and take over vulnerable machines. [...]

Information Security

The Commute Deck: a homebrew Unix terminal for tight places

Kerry Scharfglass designed his "Commute Deck" as a laptop alternative for his morning commute: it combines a mechanical keyboard (running the TMK …

Raspberry Pi

Choosing Between Unix Or Windows Web Hosting Service

Have you designed your website? That means you are ready to launch your website. Have you selected the web hosting company whose server you are going …

Web Design

How to count total number of word occurrences using grep on Linux or Unix

I want to find out how many times a word (say foo or an IP address) occurs in a text file using the grep command on Linux or Unix-like system?

Linux

Samba vulnerability brings WannaCry fears to Linux/Unix

Researchers warn that many Linux and Unix systems contain a Samba vulnerability that could eventually lead to attacks similar to WannaCry or worse, …

Linux

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

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

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

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

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 …

Log

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

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

Trivial Transfers with TFTP, Part 3: Usage

In previous articles, we introduced TFTP and discussed why you might want to use it, and we looked at various configuration options. Now let’s try …

Linux

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 …

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

Fabulous Bash Navigation Shortcuts

We old coots are forever going on about our favorite keyboard shortcuts, because that is still the fastest way to get stuff done on a computer. Life …

Linux

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