chris

FreeBSD 12 — mysql57-client — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mysql57-client — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2016-3492 CVE-2016-5616 CVE-2016-5617 CVE-2016-5624 CVE-2016-5625 CVE-2016-5626 CVE-2016-5629 CVE-2016-6662  +9 more Upstream summary: Oracle reports: This Critical Patch Update contains 34 new security patches for […]

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How to Configure Software Defined Networking (SDN) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Software Defined Networking (SDN) on Windows Server 2016

How to Configure Windows Server Software-Defined Networking (SDN) on Windows Server 2016 Software-Defined Networking (SDN) in Windows Server 2016 decouples the network control plane from the data plane, allowing administrators to programmatically configure and manage network infrastructure through a centralized controller. The Windows Server 2016 SDN stack is built on Hyper-V Network Virtualization and includes […]

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How To Install and Use Command Line Cheat Sheets on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Command Line Cheat Sheets on Ubuntu 14.04

Cheat is a command line based Python program that allows system administrators to view and store helpful cheat sheets. It retrieves plain-text examples of a chosen command in order to remind the user of options, arguments, or common uses. Cheat is ideal for “commands that you use frequently, but not frequently enough to remember.”

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FreeBSD 12 — exim-postgresql — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — exim-postgresql — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — local privilege escalation Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2011-0017 Upstream summary: exim.org reports: CVE-2011-0017 – check return value of setuid/setgid. This is a privilege escalation vulnerability whereby the […]

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How to Create a High Availability Setup with Pacemaker, Corosync and Reserved IPs on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How to Create a High Availability Setup with Pacemaker, Corosync and Reserved IPs on CentOS 7

Corosync is an open source cluster engine used to implement high availability within applications. This tutorial will demonstrate how to use Corosync and Pacemaker to create a high availability (HA) infrastructure on the cloud provider with CentOS 7 servers and Reserved IPs. To facilitate the process of setting up and managing the cluster nodes, we are going to use PCS, a command line interface that interacts with both Corosync and Pacemaker.

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How to Configure Windows Firewall on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Windows Firewall on Windows Server 2016

How to Set Up Windows Server 2016 Windows Firewall Windows Firewall with Advanced Security is a host-based firewall built into Windows Server 2016. It provides bi-directional traffic filtering, connection security rules, and integration with IPsec. Properly configuring the firewall is essential for securing your server against unauthorized access while allowing legitimate traffic to pass. This […]

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Common Problems 115509

RHEL 7 XFS remounted read-only after detected filesystem errors

🟠 High   ⏱ 5–30 min  Last verified: 31 December 2019 Affected versions: RHEL 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 & Hardening Related Errors & […]

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CHAT