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How to Install Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Nginx on RHEL 7

How to Install Nginx on RHEL 7 Nginx is a high-performance, open-source web server and reverse proxy known for its speed, stability, and low memory footprint. On Red Hat Enterprise Linux 7, Nginx is not available in the default repositories, so you must either enable the EPEL (Extra Packages for Enterprise Linux) repository or configure […]

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Common Problems 117085

Ubuntu 22.04 LTS – PHP-FPM pool crashes from low memory limits – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 June 2022 Affected versions: Ubuntu 22.04 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 […]

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

AlmaLinux 8 — gpgme — 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-2022:2117 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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IBM AIX 7.1 — CVE-2021-38954 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-38954 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 14 June 2022 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-38954, IBM Support Bulletin CVE: CVE-2021-38954 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could disclose sensitive version information that could aid in future attacks […]

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FreeBSD 13 — php55-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php5 — multiple vulnerabilities Related CVEs: CVE-2015-4643 CVE-2015-4644 Upstream summary: The PHP project reports: DOM and GD: Fixed bug #69719 (Incorrect handling of paths with NULs). FTP: Improved fix for […]

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FreeBSD 13 — exim — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — exim — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — SQL injection Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2010-4345 CVE-2011-0017 CVE-2011-1407 CVE-2011-1764 CVE-2012-5671  +6 more Upstream summary: [email protected] reports: Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization […]

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FreeBSD 13 — plib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — plib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: plib — stack-based buffer overflow Related CVEs: CVE-2011-4620 CVE-2012-4552 Upstream summary: CVE reports: Stack-based buffer overflow in the error function in ssg/ssgParser.cxx in PLIB 1.8.5 allows remote attackers to execute […]

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openSUSE Tumbleweed — dex-oidc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dex-oidc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2022-27665 CVE-2020-26290 Upstream summary: Reflected XSS (via AngularJS sandbox escape expressions) exists in Progress Ipswitch WS_FTP Server 8.6.0. This can lead to execution of malicious code and commands on […]

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Debian 11 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7182 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 CVE-2021-22212 Upstream summary: The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to cause a denial of service (out-of-bounds read) […]

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FreeBSD 13 — opensearch — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — opensearch — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSearch — Log4Shell Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2021-45105 Upstream summary: OpenSearch reports: CVE-2021-45105 for Log4j was issued after the release of OpenSearch 1.2.2. This CVE advises upgrading to Log4j 2.17.0. […]

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