openSUSE Tumbleweed — libpcre1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

July 6, 2019
Linux
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🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-1283 CVE-2017-6004 CVE-2014-8964 CVE-2015-3217 CVE-2017-7186 CVE-2017-7245 CVE-2016-3191 Upstream summary: The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'){97)?J)?J)(?'R'(?'R'){99|(:(?|(?'R')(k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with […]

Ubuntu 14.04 LTS GRUB update fails and leaves system unbootable

July 5, 2019
Linux
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🔴 Critical ⏱ 5–30 min Last verified: 5 July 2019 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 18.04 Cannot Resolve Hostname in sudo

July 5, 2019
Linux
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🟡 Medium ⏱ 5–30 min Last verified: 5 July 2019 📖 ~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 […]

How to Configure Bacula Backup Server on Debian 9

July 5, 2019
Linux
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Introduction Deploying configure bacula backup server on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

How to Install and Use Podman Pods on RHEL 8

July 5, 2019
Linux
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Podman pods allow you to run multiple containers that share the same network namespace, mirroring the Kubernetes pod model without requiring a container orchestrator. On RHEL 8, Podman is available in the default AppStream repositories and provides native rootless pod support out of the box. This tutorial covers creating and managing pods, running multi-container workloads […]

How To Set Up Apache Virtual Hosts on Ubuntu 18.04 [Quickstart]

July 5, 2019
Linux
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This tutorial will guide you through setting up multiple domains and websites using Apache virtual hosts on an Ubuntu 18.04 server. During this process, you’ll learn how to serve different content to different visitors depending on which domains they are requesting. For a…

How to Benchmark the Performance of a Redis Server on Ubuntu 18.04

July 5, 2019
Linux
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Benchmarking is an important practice to analyse the overall performance of servers and identify bottlenecks as well as opportunities for improvement within those systems. In this guide, we’ll demonstrate how to benchmark the performance of a Redis server running on Ubuntu 18.04, using a few different tools and methods.

Начальная настройка сервера c Ubuntu 14.04

July 5, 2019
Linux
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После создания нового сервера необходимо предпринять несколько шагов по его базовой настройке. Это повысит безопасность и удобство использования Вашего сервера и заложит прочную основу для последующих действий. Для того, чтобы…

Ubuntu 18.04 boot hangs at splash screen

July 4, 2019
Linux
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🟡 Medium ⏱ 5–30 min Last verified: 4 July 2019 📖 ~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 […]

openSUSE Tumbleweed — apache2-mod_nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide

July 4, 2019
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2013:1926-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-4566 CVE-2015-5244 CVE-2016-3099 Upstream summary: mod_nss 1.0.8 and earlier, when NSSVerifyClient is set to none for the server/vhost context, does not enforce the NSSVerifyClient setting […]

openSUSE Tumbleweed — libpcre1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

Ubuntu 14.04 LTS GRUB update fails and leaves system unbootable

How to Install and Use Podman Pods on RHEL 8

How To Set Up Apache Virtual Hosts on Ubuntu 18.04 [Quickstart]

How to Benchmark the Performance of a Redis Server on Ubuntu 18.04

Начальная настройка сервера c Ubuntu 14.04

Ubuntu 18.04 boot hangs at splash screen

openSUSE Tumbleweed — apache2-mod_nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide

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openSUSE Tumbleweed — libpcre1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

Ubuntu 14.04 LTS GRUB update fails and leaves system unbootable

Ubuntu 18.04 Cannot Resolve Hostname in sudo

How to Configure Bacula Backup Server on Debian 9

How to Install and Use Podman Pods on RHEL 8

How To Set Up Apache Virtual Hosts on Ubuntu 18.04 [Quickstart]

How to Benchmark the Performance of a Redis Server on Ubuntu 18.04

Начальная настройка сервера c Ubuntu 14.04

Ubuntu 18.04 boot hangs at splash screen

openSUSE Tumbleweed — apache2-mod_nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide

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