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Tecmint

Syndicate content Tecmint: Linux Howtos, Tutorials & Guides
Tecmint - Linux Howtos, Tutorials, Guides, News, Tips and Tricks.
Updated: 3 hours 53 min ago

Useful PuTTY Configuration Tips and Tricks

Wednesday 12th of August 2020 05:25:13 AM
Putty is an opensource terminal emulator that supports several network protocols like Telnet, SSH, Rlogin, SCP, and Raw Socket. The initial version of putty is dated back to January 8, 1999, and designed for Windows

5 Best CLI Tools to Search Plain-Text Data Using Regular Expressions

Tuesday 11th of August 2020 05:25:18 AM
This guide takes a tour of some of the best command-line tools that are used for searching matching strings or patterns in text files. These tools are usually used alongside regular expressions – shortened

How to Run Any Linux Distribution Directly from Hard Disk in Ubuntu Using Grub Menu

Monday 10th of August 2020 06:40:16 AM
Most of Linux distributions provide ISO files that are designed and built to run in Live Mode directly from a bootable media such as CD /DVD, Flash/USB cards or even directly from a Hard

Bashtop – A Resource Monitoring Tool for Linux

Friday 7th of August 2020 05:22:26 AM
Bashtop is a terminal-based resource monitoring utility in Linux. It’s a nifty command-line tool that intuitively displays statistics for your CPU, memory, running processes, and bandwidth to mention just a few. It ships with

The Best Linux Distributions for Old Machines

Thursday 6th of August 2020 06:50:08 AM
Do you have an old laptop that has gathered layers of dust over time and you don’t exactly what to do with it? A good place to start would be to install a Linux

How to Automatically Build and Configure Custom Docker Images with Dockerfile – Part 3

Wednesday 5th of August 2020 08:29:30 AM
This tutorial will concentrate on how to build a custom Docker image based on Ubuntu with Apache service installed. The whole process will be automated using a Dockerfile. Docker images can be automatically built

How to Install, Run and Delete Applications Inside Docker Containers – Part 2

Wednesday 5th of August 2020 08:19:04 AM
Following the previous Docker article, this tutorial will discuss how to save a Docker container into a new image, remove a container, and run an Nginx web server inside a container. Requirements How to

Install Docker and Learn Basic Container Manipulation in CentOS and RHEL 8/7 – Part 1

Wednesday 5th of August 2020 06:53:59 AM
In this 4-article series, we will discuss Docker, which is an open-source lightweight virtualization tool that runs at top of Operating System level, allowing users to create, run and deploy applications, encapsulated into small

Marcel – A More Modern Shell for Linux

Wednesday 5th of August 2020 05:55:39 AM
Marcel is a new shell. It is similar to traditional shells in many ways, but it does a few things differently: Piping: All shells use pipes to send a text from the output of

How to Install Security Updates in Ubuntu

Tuesday 4th of August 2020 08:07:24 AM
One of the easiest ways to protect your Ubuntu systems is by keeping up to date software on them. Therefore applying updates frequently is an important part of maintaining secure systems. In this article,

Protect Apache Against Brute Force or DDoS Attacks Using Mod_Security and Mod_evasive Modules

Tuesday 4th of August 2020 06:41:15 AM
For those of you in the hosting business, or if you’re hosting your own servers and exposing them to the Internet, securing your systems against attackers must be a high priority. mod_security (open-source intrusion

How to Install and Use Linux Malware Detect (LMD) with ClamAV as Antivirus Engine

Tuesday 4th of August 2020 04:45:25 AM
Malware, or malicious software, is the designation given to any program that aims at disrupting the normal operation of a computing system. Although the most well-known forms of malware are viruses, spyware, and adware,

How to Install PostgreSQL and pgAdmin4 in Ubuntu 20.04

Monday 3rd of August 2020 05:28:45 AM
This guide will walk you through the instructions to install PostgreSQL 12 relational and object-oriented database management systems and pgAdmin4, a commonly-used web-based PostgreSQL database server administration tool. We will show how to install

Setting Up Zimbra Collaboration Suite (ZCS) on RHEL/CentOS 7/8

Saturday 1st of August 2020 06:31:03 AM
Zimbra Collaboration Suite (ZCS) is an Open Source, collaborative platform for email servers, developed in two editions, Open Source edition (Free) and Network Edition (Paid), which provides services such as LDAP, SMTP, POP and

7 Best Open Source “Disk Cloning/Backup” Tools for Linux Servers

Friday 31st of July 2020 07:31:31 AM
Disk cloning is the process of copying data from a hard disk to another one, in fact, you can do this process by copy & paste but you won’t be able to copy the

23 CentOS Server Hardening Security Tips – Part 2

Friday 31st of July 2020 06:31:51 AM
Continuing the previous tutorial on How to Secure and Harden CentOS server, in this article, we’ll discuss other security tips that will be presented on the below checklist. Requirements 20 CentOS Server Hardening Security

20 CentOS Server Hardening Security Tips – Part 1

Friday 31st of July 2020 05:55:58 AM
This tutorial only covers general security tips for CentOS 8/7 which can be used to harden the system. The checklist tips are intended to be used mostly on various types of bare-metal servers or

July 31, 2020: Celebrate “System Administrator Appreciation Day” Today

Friday 31st of July 2020 04:31:31 AM
Friday July 31st, 2020 is witnessing 21st System Administrator Appreciation Day. System Administrator Appreciation Day also known as Sysadmin Day, SysAdminDay, SAD or SAAD is celebrated on the last Friday of July every Year.

How to Install Nagios 4 in Ubuntu and Debian

Thursday 30th of July 2020 07:31:56 AM
In this topic we’ll learn how to install and configure the latest official version of Nagios Core from sources in Debian and Ubuntu servers. Nagios Core is a free Open Source network monitoring application

How to Set Up Nginx Server Blocks (Virtual Hosts) on CentOS 8

Thursday 30th of July 2020 05:28:18 AM
An Nginx server block is the equivalent of an Apache virtual host and makes it possible for you to host more than one domain or website on your server. Related Article: How to Set

More in Tux Machines

Ubuntu MATE 20.04.1 for Raspberry Pi Now Has a Second Beta Ready for Testing

Martin Wimpress published a new beta version of the upcoming Ubuntu MATE 20.04.1 images for Raspberry Pi devices, which you can download and test right now on the tiny computer. Ubuntu MATE 20.04.1 for Raspberry Pi promises major new features, such as support for the latest Raspberry Pi 4 SCBs, better graphics, experimental USB booting, basic rendering for the Firefox web browser by default, support for the rpi-eeprom utility for updating the Raspberry Pi 4 bootloader EEPROM, and a new configuration tool. Based on the recently released Ubuntu 20.04.1 LTS (Focal Fossa) operating system, the upcoming Ubuntu MATE 20.04.1 for Raspberry Pi release is now in its latest stages of development, with a second beta version ready for public testing. Since beta 1, the team fixed Wi-Fi issues that occurred on the first boot during the initial setup wizard and dropped the gpu_mem memory option that lets you specify how much memory the GPU can use from the config.txt file for better performance. The beta 2 is also powered by the same Linux 5.4 LTS kernel used in Ubuntu 20.04.1 LTS, and uses the latest MATE 1.24 desktop environment and most the core apps that are also available in the Ubuntu MATE 20.04.1 LTS release for PCs. Read more

Android Leftovers

Video/Audio: Feren OS 2020.07, Curl, Command Line Heroes and More Red Hat

  • Feren OS 2020.07 Run Through

    In this video, we are looking at Feren OS 2020.07. Enjoy!

  • Daniel Stenberg: Video: Landing code in curl

    A few hours ago I ended my webinar on how to get your code contribution merged into curl.

  • Command Line Heroes - Season 5, episode 3: What Kind of Coder Will You Become?

    The 10x Coder is often positioned as a mythical developer who can always save the day. Saron Yitbarek and Clive Thompson investigate how much of that myth is grounded in truth.

  • How Quarkus fits into the Red Hat Runtimes formula

    There are plenty of new features to talk about in the world of Red Hat Runtimes. When I recently had the chance to speak with James Falkner, technical product manager for Red Hat Runtimes, he zeroed in on the Quarkus framework, or more specifically, the Red Hat branded build of Quarkus.

  • What the Dev?

    This week, we spoke to Eric Schabell, the portfolio architect director at Red Hat, about Agile integration. A lot of enterprises are moving in the direction of Agile teams all with an eye on the digital transformation story where they're headed towards delivering things in a cloud native fashion. You'll hear some of the best ways in which to achieve that Agile integration.

Fedora: Kernel Testing, OpenShift OKD and Project Intern

  • Contribute at the Fedora Test Week for Kernel 5.8

    The kernel team is working on final integration for kernel 5.8. This version was just recently released and will arrive soon in Fedora. As a result, the Fedora kernel and QA teams have organized a test week from Monday, August 17, 2020 through Monday, August 24, 2020. Refer to the wiki page for links to the test images you’ll need to participate. Read below for details.

  • OpenShift OKD on Fedora CoreOS on DigitalOcean Part 1: Deployment

    This blog post is the second in a series that illustrates how to set up an OpenShift OKD cluster on DigitalOcean. The first post in the series covered some background information and pre-requisites needed for deploying a cluster. At this point you should have chosen the domain for your cluster, set up your registrar to point to DigitalOcean nameservers, installed all necessary software (doctl, openshift-install, oc, aws cli, etc..), and configured appropriate credentials in your environment (DIGITALOCEAN_ACCESS_TOKEN, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY).

  • Closing in on the end of the Summer

    Can you believe we’re two weeks through August already! And I’m so happy that my internship has been extended so last week isn’t my last week, even if it is the last full time week for awhile.