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How to Install containerd on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install containerd on FreeBSD 12

Introduction How to Install containerd on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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FreeBSD 13 — poweradmin — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — poweradmin — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: poweradmin — multiple XSS vulnerabilities Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities Multiple scripts are vulnerable to XSS attacks. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

openSUSE Tumbleweed — parsec — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-36781 Upstream summary: A Incorrect Default Permissions vulnerability in the parsec package of openSUSE Factory allows local attackers to imitate the service leading to DoS […]

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Common Problems 113543

Windows Server 2012 R2 — Persistent static route disappears after reboot — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 November 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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FreeBSD 13 — mplayer-gtk2-esound — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mplayer-gtk2-esound — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mplayer — vulnerability in STR files processor Related CVEs: CVE-2004-0433 CVE-2004-1187 CVE-2004-1188 CVE-2005-1195 CVE-2006-1502 CVE-2006-6172 CVE-2007-1246 CVE-2007-2948  +7 more Upstream summary: Secunia reports: The vulnerability is caused due to a […]

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Amazon Linux 2 — kernel-livepatch-5.10.59-52.142 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.59-52.142 — vulnerability — 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 ALAS2LIVEPATCH-2021-067 Related CVEs: CVE-2021-41073 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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How to Configure PgBouncer Connection Pooling on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure PgBouncer Connection Pooling 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 configure pgbouncer connection pooling 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 — rust-arc-swap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-arc-swap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35711 Upstream summary: An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper […]

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Pandas to_csv() - Convert DataFrame to CSV — step-by-step Python tutorial on Progressive Robot

Pandas to_csv() – Convert DataFrame to CSV

URL: https://www.progressiverobot.com/pandas-to-csv-convert-dataframe-to-csv/ Pandas DataFrame to_csv() function converts DataFrame into CSV data. We can pass a file object to write the CSV data into a file. Otherwise, the CSV data is returned in the string format. Pandas DataFrame to_csv() Syntax The syntax of DataFrame to_csv() function is: def to_csv( self, path_or_buf=None, sep=",", na_rep="", float_format=None, columns=None, header=True, […]

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