In this tutorial, you will set up MySQL group replication using a set of three Ubuntu 20.04 servers. As you work through this tutorial, you will have the option to set the group up as either a single-primary or multi-primary replication group.
WordPress est une technologie open-source extrêmement populaire pour la création de sites web et de blogs sur l’internet aujourd’hui. Utilisés par 63 % des sites web qui utilisent un système de gestion de contenu (CMS), les sites WordPress représentent 36 % de tous les sites…
A hit counter is an application that records and indicates the number of visits your web page has received. The counter starts from 1 and is incremented once every time a web page is visited. To keep track of the visits, the hit counter application requires a form of a database. To track your site visits, you require a Redis hash map. In this guide, you’ll set up a website hit counter with Redis and PHP on your Ubuntu 20.04 server.
🟠 High ⏱ 15–60 min Last verified: 27 October 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7231-1 Related CVEs: CVE-2023-27783 CVE-2023-27784 CVE-2023-27785 CVE-2023-27786 CVE-2023-27787 CVE-2023-27788 CVE-2023-27789 CVE-2023-4256 +12 more Upstream summary: It was discovered that Tcpreplay incorrectly handled memory when using the tcprewrite utility. A remote […]
🟡 Medium ⏱ 5–30 min Last verified: 24 October 2023 Affected versions: Ubuntu 20.04 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 […]
🟢 Low ⏱ 5–15 min Last verified: 22 October 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6826-1 Related CVEs: CVE-2023-41081 Upstream summary: Karl von Randow discovered that mod_jk was vulnerable to an authentication bypass. If the configuration did not provide explicit mounts for all possible proxied […]
![So installieren Sie Linux, Nginx, MySQL und PHP (LEMP-Stack) unter Ubuntu 20.04 [Schnellstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-20-04-quickstart-de-81472-featured.png "So installieren Sie Linux, Nginx, MySQL und PHP (LEMP-Stack) unter Ubuntu 20.04 [Schnellstart] 7")
In diesem Schnellstartleitfaden installieren wir einen LEMP-Stack auf einem Ubuntu 20.04-Server. Eine detailliertere Version dieses Tutorials mit weiteren Erklärungen zu einzelnen Schritten finden Sie unter [Installieren des Linux-, Nginx-, MySQL-, PHP- (LEMP-)Stacks unter…
🟡 Medium ⏱ 10–30 min Last verified: 18 October 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6398-1 Related CVEs: CVE-2022-26505 CVE-2023-33476 CVE-2020-12695 CVE-2020-28926 Upstream summary: It was discovered that ReadyMedia was vulnerable to DNS rebinding attacks. A remote attacker could possibly use this issue to trick […]
🟠 High ⏱ 5–30 min Last verified: 18 October 2023 Affected versions: 20.04 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 & […]
🟠 High ⏱ 15–60 min Last verified: 17 October 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6311-1 Related CVEs: CVE-2022-4269 CVE-2022-48502 CVE-2023-0597 CVE-2023-1611 CVE-2023-1855 CVE-2023-1990 CVE-2023-2002 CVE-2023-2124 +12 more Upstream summary: William Zhao discovered that the Traffic Control (TC) subsystem in the Linux kernel did not […]
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