April 2021 - Page 63 of 66

Common Problems 112957

Windows Server 2016 — SFC scannow reports corrupt files it cannot repair on production server — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 04 June 2027 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 […]

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How to Set Up Podman on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up Podman on SLES 12

Introduction This tutorial covers How to Set Up Podman on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Podman zypper install -y podman Step 2 — […]

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How to Use Z Shell (zsh) on a Cloud Server — step-by-step DevOps tutorial on Progressive Robot

How to Use Z Shell (zsh) on a Cloud Server

In this article, we will discuss some of the basic usage Z Shell in a Linux environment. Z Shell, or zsh, is a bash replacement that can provide a powerful command line and scripting environment to interact with your Linux sever.

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Ubuntu 14.04 — underscore — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — underscore — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4913-1 Related CVEs: CVE-2021-23358 Upstream summary: It was discovered that Underscore incorrectly handled certain inputs. An attacker could possibly use this issue to inject arbitrary code. Table of contents Symptom […]

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How to Use Node.js and Github Webhooks to Keep Remote Projects in Sync — step-by-step Linux tutorial on Progressive Robot

How to Use Node.js and Github Webhooks to Keep Remote Projects in Sync

In this guide you will develop a Node.js server that listens for a GitHub webhook notification whenever you or someone else pushes code to GitHub. This script will automatically update a repository on a remote server with the most recent version of the code, eliminating the need to log in to a server to pull new commits.

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How To Manage Replicas and Clients in Redis — step-by-step Linux tutorial on Progressive Robot

How To Manage Replicas and Clients in Redis

One Redis’s most sought-after features is its support for replication: any Redis server can replicate its data to any number of replicas, allowing for high read scalability and strong data redundancy. Additionally, Redis was designed to allow many clients (up to 10000, by default) to connect and interact with data, making it a good choice for cases where many users need access to the same dataset. This tutorial goes over the commands used to manage Redis clients and replicas.

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Oracle Linux 8 — vim — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — vim — vulnerability — patch and remediation guide (ELSA-2021-4517)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4517 Related CVEs: CVE-2021-3778 CVE-2021-3796 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Set Up Btrfs Snapshots with Snapper on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Btrfs Snapshots with Snapper on SLES 15

Introduction This tutorial covers How to Set Up Btrfs Snapshots with Snapper on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Check Btrfs Filesystem btrfs filesystem show […]

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