Linux

How To Install WordPress with Caddy on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install WordPress with Caddy on CentOS 7

WordPress is a CMS that can be used to set up blogs and websites quickly and easily. In this guide, we’ll set up WordPress with Caddy. Caddy is a new web server quickly gaining popularity for its wide array of unique features, like HTTP/2 support and automatic TLS encryption with Let’s Encrypt, a popular free certificate provider.

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SLES 15 — libzip5 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libzip5 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:009 (see also SUSE bugzilla) Related CVEs: CVE-2011-0421 CVE-2012-1162 CVE-2012-1163 CVE-2017-12858 CVE-2017-14107 Upstream summary: The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a […]

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Arch Linux — qtpass — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — qtpass — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201801-11 Related CVEs: CVE-2017-18021 Upstream summary: Type: private key recovery. Status: Fixed. Affected: 1.2.0-1. Fixed in: 1.2.1-1. Group: AVG-576. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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openSUSE Tumbleweed — ssh-audit — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ssh-audit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:3801-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-15473 Upstream summary: OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after […]

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How To Install and Configure Ghost on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Ghost on Ubuntu 16.04

Ghost is a light-weight open-source blogging platform. In this tutorial, you’ll set up a production-ready Ghost instance on Ubuntu 16.04 using the official `ghost-cli` installation wizard. This will install Ghost, configure Nginx to proxy requests to Ghost, secure it with a [Let’s Encrypt](https://letsencrypt.org/) certificate, and configure Ghost to run in the background as a system service.

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openSUSE Tumbleweed — kbd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kbd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:007 Related CVEs: CVE-2011-0460 Upstream summary: The init script in kbd, possibly 1.14.1 and earlier, allows local users to overwrite arbitrary files via a symlink attack on /dev/shm/defkeymap.map. Table of contents Symptom […]

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Amazon Linux 2 — python-crypto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-crypto — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2024-011 Related CVEs: CVE-2013-7459 CVE-2018-6594 Upstream summary: Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as […]

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Common Problems 118567

Ubuntu 16.04 LTS TLS handshake failures due to outdated CA trust

🟡 Medium   ⏱ 5–30 min  Last verified: 9 December 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 […]

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