How To Work with Web Data Using Requests and Beautiful Soup with Python 3
This tutorial will go over how to work with the Requests and Beautiful Soup Python packages in order to make use of data from web pages.
How To Use the Net-SNMP Tool Suite To Manage and Monitor Servers
SNMP is a mature network management protocol that can be used to retrieve information and set values on remote systems. In previous guides, we discussed the basics of the protocol and how to get setup with an SNMP client and daemon. In this guide, we’ll cover some of the ways you can use the tools included to get information and manipulate fields on remote machines.
How To Use the Ambassador Pattern to Dynamically Configure Services on CoreOS
The Docker Links feature enables a method of dynamically configuring network connections between containers, known as the ambassador pattern. The ambassador pattern promotes service portability between provider and consumer containers. In CoreOS, etcd can be leveraged…
How To Install and Configure Postfix as a Send-Only SMTP Server on Debian 9
Postfix is a *mail transfer agent* (MTA), an application used to send and receive email.
How To Create a Custom 404 Page in Apache
A custom 404 page lets you provide a user-friendly website to your visitors even in the midst of an error. This article describes how to upload and display a custom 404 page.
Oracle Linux 8 — mod_auth_openidc:2.3 — security and stability fixes — required update (ELSA-2023-6940)
🟡 Medium ⏱ 10–30 min Last verified: 22 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-6940 Related CVEs: CVE-2022-23527 CVE-2023-28625 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Ubuntu 14.04 LTS DNS lookups time out intermittently
🟠 High ⏱ 5–30 min Last verified: 22 October 2020 Affected versions: 14.04 📖 ~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 & Cross-Refs […]
Ubuntu 14.04 LTS – DNS resolution intermittently fails on servers – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 22 October 2020 Affected versions: Ubuntu 14.04 LTS 📖 ~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 […]
SLES 15 — groovy-lib — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 22 October 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2020:3917-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-17521 Upstream summary: Apache Groovy provides extension methods to aid with creating temporary directories. Prior to this fix, Groovy's implementation of those extension methods was […]
MySQL Service Won’t Start Due to InnoDB Error
🟡 Medium ⏱ 5–30 min Last verified: 22 October 2020 📖 ~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 & Cross-Refs References & Further […]
