March 2021 - Page 6 of 69

How to Use Podman Compose on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Use Podman Compose on Oracle Linux 8

Introduction How to Use Podman Compose on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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JDBC Tutorial — step-by-step Programming tutorial on Progressive Robot

JDBC Tutorial

URL: https://www.progressiverobot.com/jdbc-tutorial/ Welcome to JDBC tutorial. Java DataBase Connectivity (JDBC) is one of the most widely used API in enterprise applications. This is because most of the applications use some sort of database connectivity. I have recently posted a lot of JDBC tutorials related to basic JDBC, DataSource and it's integration with Spring Framework. JDBC […]

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Ubuntu 14.04 — musl — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — musl — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5990-1 Related CVEs: CVE-2019-14697 CVE-2020-28928 CVE-2014-3484 CVE-2015-1817 CVE-2016-8859 CVE-2017-15650 CVE-2018-1000001 Upstream summary: It was discovered that musl did not handle certain i386 math functions properly. An attacker could use this […]

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How To Update Database Records in Laravel Eloquent — step-by-step Programming tutorial on Progressive Robot

How To Update Database Records in Laravel Eloquent

In a previous section of this series, you updated an existing Artisan command in order to support the new lists feature. Although there are commands to insert and delete links, the demo application currently doesn’t have a command to edit existing links. This can be useful to move links between lists, for instance, or update a link description. In this guide, you’ll create a new Artisan command to update existing links in the database.

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How To Set Up R on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up R on Ubuntu 14.04

R is a popular open source programming language that specializes in statistical computing and graphics. It is widely used by statisticians for developing statistical software and performing data analysis. One of R’s strengths is that it is highly and easily extensible by allowing users to author and submit their own packages. In this guide, we will learn how to set up R on a cloud servers running Ubuntu 14.04.

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How to Install Apache Kafka on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Apache Kafka on FreeBSD 12

Introduction Deploying install apache kafka on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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Ubuntu 20.04 — linux-aws-5.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-aws-5.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5050-1 Related CVEs: CVE-2020-26558 CVE-2021-0129 CVE-2021-28691 CVE-2021-3564 CVE-2021-3573 CVE-2021-38208 CVE-2021-23134 CVE-2021-32399  +12 more Upstream summary: It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform […]

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