February 2021 - Page 50 of 62

How to Deploy a Rust Web Application on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy a Rust Web Application on Oracle Linux 8

Introduction How to Deploy a Rust Web Application 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 […]

Read more
Common Problems 112919

Windows Server 2016 – Failover cluster heartbeat network drops trigger node eviction – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 May 2026 Affected versions: Windows Server 2016 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
Automating Test Environments With CircleCI — step-by-step Devops tutorial on Progressive Robot

Automating Test Environments With CircleCI

Build faster, more resilient pipelines — automate your development process with continuous integration using CircleCI and the cloud provider to reduce cost and increase velocity without compromising quality.

Read more
JSF Authentication Login Logout Database Example — step-by-step Programming tutorial on Progressive Robot

JSF Authentication Login Logout Database Example

URL: https://www.progressiverobot.com/jsf-authentication-login-logout-database-example/ Authentication mechanism allows users to have secure access to the application by validating the username and password. We will be using JSF view for login, DAO object ,HttpSession for session management, JSF managed bean and mysql database. Lets now look in detail as how to create a JSF login logout authentication mechanism in […]

Read more
SLES 15 — squashfs — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — squashfs — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4424-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-40153 CVE-2021-41072 CVE-2015-4645 CVE-2015-4646 CVE-2012-4025 CVE-2012-4024 Upstream summary: squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used […]

Read more
How To Setup a DavMail Exchange Gateway on a Debian 7 VPS — step-by-step Linux tutorial on Progressive Robot

How To Setup a DavMail Exchange Gateway on a Debian 7 VPS

If your workplace or school uses Microsoft Exchange for E-mail, you may wish to access your Exchange E-mail account from E-mail clients that do not support the Exchange protocol. DavMail provides a solution, translating Microsoft Exchange to open protocols like POP, IMAP, SMTP, Caldav, Carddav, and LDAP.

Read more
How to Install and Use Podman Pods on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Use Podman Pods on RHEL 9

Podman pods mirror the Kubernetes pod concept — a group of containers that share the same network namespace, IPC namespace, and optionally storage volumes. This makes it straightforward to move workloads between a local RHEL 9 machine and a Kubernetes cluster with minimal changes. In this tutorial you will create a pod containing an Nginx […]

Read more
SLES 12 — python-Pygments — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-Pygments — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:3814-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-27291 Upstream summary: In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular […]

Read more
CHAT