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today's howtos

  • How To Launch Fish Shell In Private Mode In Linux - OSTechNix

    Fish shell ships with many cool features by default. One such feature is Private Mode. In this brief guide, we will see how to launch Fish shell in private mode in Linux to avoid storing commands in history file. In other words, we will see how to enable incognito mode in Fish shell. As you know already, nothing gets logged in incognito mode.

  • Linux inodes Explained - YouTube

    What are inodes in Linux? How do they work? What really happens when you type 'ls -l' into the Linux command line?

  • How To Install Firefox on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install Firefox on Ubuntu 20.04 LTS. For those of you who didn’t know, Firefox is the default web browser in a number of Linux distributions and Ubuntu is one of them. Firefox comes preinstalled in Ubuntu unless you are using Ubuntu minimal version. Some of the outstanding features in this release are the new Firefox Privacy Protection Report and a secure password generation with Lockwise. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step by step installation of Mozilla Firefox on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian based distribution like Linux Mint.

  • How to Enable Third-Party Repositories in Fedora Linux

    After you install Fedora, you may discover that some of the software that you want to install and use is not available in the software store. These packages may not be in the Fedora repos for several reasons. Don’t worry, I’ll tell you how to make them available by adding third party repos for Fedora.

  • Finding rogue devices in your network using Nmap | Enable Sysadmin

    What is Nmap, and why do I want to use it? Finding rogue devices on your network is a good start.

  • Oracle Linux 8: Remote Management made easy with short training videos

    This week’s blog presents a set of short videos on how to establish secure connections to remote Oracle Linux 8 systems. With secure connections, all traffic transmitted over the wire is encrypted and protected from password sniffing attacks and other outside monitoring.

  • Oracle Linux 8: Networking made easy with free videos

    This week’s blog presents a set of free, short videos on performing network configuration functions on Oracle Linux 8. Being able to configure networks is an essential skill to access programs, storage and data on remote systems. This video series also covers firewall configuration required to keep your networks safe and secure from intruders.

  • Oracle Linux 8: Administration made easy with free videos

    Now that you’ve had a chance to learn about Oracle Linux 8 installation – you did check out the prior blog – right? You’ll want to continue learning Oracle Linux 8 by delving into the next set of free, short videos on some common administration tasks that you can perform on Oracle Linux 8. These videos are applicable for deployment via on-premises systems or Oracle Cloud Infrastructure instances.

FreeBSD Merges WireGuard Support

The momentum of WireGuard continues with FreeBSD now having mainlined their port of this open-source secure VPN tunnel. For FreeBSD 13 there is now the import of the WireGuard kernel module. This follows OpenBSD adding WireGuard earlier in the year, various Linux kernel back-ports have been adding WireGuard too now like the Oracle Unbreakable Enterprise Kernel, and Android 12 looks to support WireGuard. The WireGuard port for Windows was also recently updated. Read more

Linux Foundation Pushing its Products (Not Linux)

Programming/Development Leftovers

  • The future of COBOL is now | InfoWorld

    Early in the 2020 coronavirus pandemic, the New Jersey state government had a very specific IT staffing need—and it got a lot more publicity than hiring moves usually get. The recently passed CARES Act had added $600 to weekly unemployment payments nationwide, but New Jersey’s archaic unemployment software, written in COBOL, couldn’t incorporate the extra money without reprogramming, and there was nobody on staff capable of doing the job. The incident was a very public glimpse at a dirty little secret within IT: There are billions of lines of code written in COBOL still running mission critical applications, but the great wave of COBOL-trained programmers who wrote all that code are aging out of the workforce. That story isn’t new—we wrote about it eight years ago, and eleven years before that.

  • Choosing Elixir version manager

    Exenv, Kiex or ASDF? What’s the difference?

  • PHP 7.2 is dead - Remi's RPM repository - Blog

    After PHP 7.1, and as announced, PHP version 7.2.34 was the last official release of PHP 7.2 To keep a secure installation, the upgrade to a maintained version is strongly recommended: PHP 7.4 is in active support mode, and will be maintained until November 2021 (2022 for security). PHP 8.0 is in active support mode, and will be maintained until November 2022 (2023 for security).

  • inline 0.3.17: Refactored and New Tests

    A new release of the inline package arrived on CRAN this evening and has already been shipped to Debian as well. inline facilitates writing code in-line in simple string expressions or short files. The package was used quite extensively by Rcpp in the days before Rcpp Attributes arrived on the scene proving an even better alternative for its use cases. inline is still use by rstan and a number of other packages.

  • Committed to the integrity of your root filesystem « Colin Walters

    Quite a while ago I came across the SQLite testing page and was impressed (and since then it’s gotten even better). They’ve clearly invested a lot in it, and I think SQLite’s ubiquity is well deserved. When I started the ostree project I had this in mind but…testing is hard. We have decent "unit test style" coverage since the start but that’s not very "real world". We’ve gone through a few test frameworks over the years. But to the point of this blog post: I finally had a chance to write some new testing code and I’m happy with how it turned out!

  • Developer Strangelove or How I Learned to Stop Worrying and Love the Waterfall Model - SUSE Communities

    Everyone loves to hate the Waterfall Model (WM) and extoll the virtues of modern development methodologies. But while people are rolling their eyes at the mere mention of the WM, they forget that it was one of the first attempts at a systematic approach to complex system development. Few first attempts turn out to be the best, but all first attempts teach us something. As such, the WM contains pearls of wisdom that should not be ignored.

  • What are default and bundled gems in Ruby anyway?

    9 years ago started gemification of the Ruby standard library. What exactly are default and bundled gems in Ruby releases?

  • Mohammad S Anwar's Monthly Report - November

    With so much going on in my personal life, it is hard to focus on anything. One thing that I really miss these days are personal time. I am constantly working on it with the help of experts in the field. I try to look at the positive side of the life but I can't ignore the fact I am not giving 100% to my pet project The Weekly Challenge. Having said that I must thank the entire team for the support and encouragement in this difficult time. As of today, we entered into the 89th week. I can't wait to see when we get to the 100th week. Ever since I shared about my treatment, I have had many encouraging and supporting messages from friends. I read them again and again. I feel blessed to have such caring friends around me. I have let myself down by not taking part in Hacktoberfest 2020 in the same spirit as before. Atleast I completed the challenge by submitting the required number of Pull Requests. Let me share some happy news as well, I have now become co-editor of Perl Weekly Newsletter with the most editions, going past greats like Yanick Champoux and Neil Bowers.