Operations

How to Install InfluxDB and Telegraf on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install InfluxDB and Telegraf on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install influxdb and telegraf on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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

Debian 11 — nd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0014 Upstream summary: Multiple buffer overflows in the nd WebDAV interface 0.8.2 and earlier allows remote web servers to execute arbitrary code via certain long strings. Table of […]

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

Debian 11 — igraph — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-20349 Upstream summary: The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) […]

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Debian 11 — cimg — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cimg — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7587 CVE-2018-7588 CVE-2018-7589 CVE-2018-7637 CVE-2018-7638 CVE-2018-7639 CVE-2018-7640 CVE-2018-7641  +7 more Upstream summary: An issue was discovered in CImg v.220. DoS occurs when loading a crafted bmp image that […]

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openSUSE Tumbleweed — go1.14 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — go1.14 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:2047-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-28362 CVE-2020-28366 CVE-2020-28367 CVE-2021-3115 CVE-2020-24553 CVE-2021-3114 Upstream summary: Go before 1.14.12 and 1.15.x before 1.15.4 allows Denial of Service. Table of contents Symptom & Impact […]

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Debian 11 — exactimage — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — exactimage — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1438 CVE-2013-1441 CVE-2015-3885 CVE-2015-8366 Upstream summary: Unspecified vulnerability in dcraw 0.8.x through 0.8.9, as used in libraw, ufraw, shotwell, and other products, allows context-dependent attackers to cause a […]

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How to Write Advanced PowerShell Scripts for Windows Server 2016 Administration — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Write Advanced PowerShell Scripts for Windows Server 2016 Administration

Introduction Advanced PowerShell scripting transforms Windows Server 2016 administration from a manual, time-intensive process into a streamlined, automated workflow. This guide covers advanced scripting patterns, error handling, modules, and real-world automation scenarios every Windows Server 2016 administrator should master. PowerShell Execution Policy and Script Signing Before deploying advanced scripts, configure an appropriate execution policy and […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 14 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1932 CVE-2011-4675 Upstream summary: Directory traversal vulnerability in io/filesystem/filesystem.cc in Widelands before 15.1 might allow remote attackers to overwrite arbitrary files via . (dot) characters in a pathname […]

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How to Secure Apache with Let's Encrypt and Certbot on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt and Certbot on RHEL 7

How to Secure Apache with Let’s Encrypt and Certbot on RHEL 7 Running your Apache web server over plain HTTP exposes your users to traffic interception and degrades trust in modern browsers. Let’s Encrypt provides free, trusted TLS certificates that can be automated entirely on the command line. Certbot is the official Let’s Encrypt client […]

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