Linux

How to Configure Chrony as a Time Server on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 8

Chrony is the recommended NTP implementation on RHEL 8, replacing the older ntpd daemon. In most deployments, each server simply synchronizes time from an upstream source, but promoting one server to act as a local NTP authority reduces external traffic and ensures that isolated hosts without internet access can still keep accurate time. This guide […]

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How To Install and Configure VNC on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure VNC on Ubuntu 14.04

VNC is a connection system that allows you to manage your Ubuntu server with a graphical desktop environment. With VNC, you can use your keyboard and mouse to interact with a graphical display of your remote server, making it easier to work with the server.

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Commands for Process Management in Linux — step-by-step Linux tutorial on Progressive Robot

Commands for Process Management in Linux

URL: https://www.progressiverobot.com/process-management-in-linux/ In this article, we'll discuss process management in Linux. A process in Linux is nothing but a program in execution. It’s a running instance of a program. Any command that you execute starts a process. Types of Processes in Linux In Linux processes can be of two types: depend on the user for […]

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openSUSE Tumbleweed — mysql-workbench — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mysql-workbench — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-3469 Upstream summary: Vulnerability in the MySQL Workbench component of Oracle MySQL (subcomponent: Workbench: Security : Encryption). Supported versions that are affected are 6.3.8 and […]

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SLES 15 — libtag1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libtag1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 August 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-12678 CVE-2012-2396 Upstream summary: In TagLib 1.11.1, the rebuildAggregateFrames function in id3v2framefactory.cpp has a pointer to cast vulnerability, which allows remote attackers to cause a […]

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How To Secure Nginx with Let's Encrypt on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Secure Nginx with Let’s Encrypt on CentOS 7

In this tutorial, we will show you how to use Let’s Encrypt to obtain a free SSL certificate and use it with Nginx on CentOS 7. We will also show you how to automatically renew your SSL certificate. If you’re running a different web server, simply follow your web server’s documentation to learn how to use the certificate with your setup.

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openSUSE Tumbleweed — libsamplerate0 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libsamplerate0 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2008-5008 Upstream summary: Buffer overflow in src/src_sinc.c in Secret Rabbit Code (aka SRC or libsamplerate) before 0.1.4, when "extreme low conversion ratios" are used, allows […]

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SLES 15 — libunbound2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libunbound2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 August 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-8602 CVE-2017-15105 Upstream summary: iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of […]

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Common Problems 118476

Ubuntu 16.04 LTS – system drops to initramfs busybox shell

🔴 Critical   ⏱ 5–30 min  Last verified: 4 August 2019 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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