Linux

Getting Started with Phalcon, a PHP Framework - Part 2 — step-by-step Linux tutorial on Progressive Robot

Getting Started with Phalcon, a PHP Framework – Part 2

In this tutorial we will continue where we left off the last time when we got Phalcon installed on our Ubuntu 12.04 VPS and managed to print our first string to the screen using a Phalcon controller. In this tutorial, we will touch upon using the other two core MVC components: the views and the models.

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How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 9

LUKS (Linux Unified Key Setup) is the standard disk encryption format on RHEL 9, providing robust full-disk and partition-level encryption using the dm-crypt kernel subsystem. The cryptsetup utility is the primary tool for creating, managing, and auditing LUKS containers. LUKS2, the default format since RHEL 8, offers improved metadata resilience, Argon2 key derivation, and per-sector […]

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AlmaLinux 9 — dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2502 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25220 Upstream summary: The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, […]

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AlmaLinux 8 — gcc-toolset-9-dyninst — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-9-dyninst — 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-2019:3449 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. This enhancement update adds the […]

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Debian 11 — node-nth-check — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-nth-check — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3803 Upstream summary: nth-check is vulnerable to Inefficient Regular Expression Complexity Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Debian 11 — migrationtools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — migrationtools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4683 CVE-2006-0512 Upstream summary: PADL MigrationTools 46, when a failure occurs, stores contents of /etc/shadow in a world-readable /tmp/nis.$$.ldif file, and possibly other sensitive information in other temporary […]

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Debian 11 — rdflib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rdflib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7653 Upstream summary: The Debian python-rdflib-tools 4.2.2-1 package for RDFLib 4.2.2 has CLI tools that can load Python modules from the current working directory, allowing code injection, because […]

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Debian 11 — evolution-data-server — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — evolution-data-server — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-3257 CVE-2009-0547 CVE-2009-0582 CVE-2009-0587 CVE-2016-10727 CVE-2018-12422 CVE-2020-14928 CVE-2020-16117  +1 more Upstream summary: Camel (camel-imap-folder.c) in the mailer component for Evolution Data Server 1.11 allows remote IMAP servers to […]

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AlmaLinux 8 — gcc-toolset-11-gdb — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-11-gdb — 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-2022:1905 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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Debian 11 — lv — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0188 Upstream summary: lv reads a .lv file from the current working directory, which allows local users to execute arbitrary commands as other lv users by placing malicious […]

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