July 2021 - Page 64 of 69

Ubuntu 18.04 — libphp-adodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libphp-adodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6825-1 Related CVEs: CVE-2016-4855 CVE-2016-7405 CVE-2021-3850 Upstream summary: It was discovered that the PDO driver in ADOdb was incorrectly handling string quotes. A remote attacker could possibly use this issue […]

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How To View and Configure Linux Logs on Ubuntu, Debian, and CentOS — step-by-step Linux tutorial on Progressive Robot

How To View and Configure Linux Logs on Ubuntu, Debian, and CentOS

Linux and the applications that run on it can generate all different types of messages, which are recorded in various log files. Linux uses a set of configuration files, directories, programs, commands and daemons to create, store and recycle these log messages. Knowing where the system keeps its log files and how to make use of related commands can therefore help save valuable time during troubleshooting.

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Ubuntu 20.04 — nvidia-graphics-drivers-418-server — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-418-server — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5019-1 Related CVEs: CVE-2021-1093 CVE-2021-1094 CVE-2021-1095 CVE-2021-1076 CVE-2021-1077 CVE-2021-1052 CVE-2021-1053 Upstream summary: It was discovered that an assert() could be triggered in the NVIDIA graphics drivers. A local attacker could […]

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Oracle Linux 8 — libmaxminddb — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libmaxminddb — vulnerability — patch and remediation guide (ELSA-2024-0768)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0768 Related CVEs: CVE-2020-28241 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How To Harden OpenSSH on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Harden OpenSSH on Ubuntu 20.04

Linux servers are often administered remotely using SSH by connecting to an OpenSSH server, which is the default SSH server software used within Ubuntu, Debian, CentOS, FreeBSD, and most other Linux/BSD-based systems. In this tutorial, you will harden your Ubuntu 20.04 OpenSSH server by using different configuration options to help ensure that remote access to your server is as secure as possible.

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FreeBSD 13 — tshark-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — tshark-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — multiple security issues Related CVEs: CVE-2010-3445 CVE-2012-0041 CVE-2012-0066 CVE-2012-0067 CVE-2012-0068 CVE-2012-3548 CVE-2012-4048 CVE-2012-4049  +12 more Upstream summary: wireshark developers reports: wnpa-sec-2018-05. IEEE 802.11 dissector crash. (CVE-2018-7335) wnpa-sec-2018-06. Large […]

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Изменение прозрачности фонового изображения CSS — step-by-step DevOps tutorial on Progressive Robot

Изменение прозрачности фонового изображения CSS

С CSS и CSS3 можно сделать много интересных вещей, но установка непрозрачного фона CSS не входит в их число. Однако существует очень много творческих подходов, которые могут помочь добиться эффекта изменения прозрачности фонового изображения CSS. Оба приведенных ниже метода имеют…

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AlmaLinux 8 — tracer — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — tracer — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1946 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — abattis-cantarell-fonts — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — abattis-cantarell-fonts — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1894 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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