How To Construct For Loops in Python 3
In computer programming, loops allow us to automate and repeat similar tasks multiple times. In this tutorial, we’ll be covering how for loops work in Python and how to construct them.
openSUSE Tumbleweed — hplip — multiple vulnerabilities (10 CVEs) — 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-2025:14655-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-6923 CVE-2007-5208 CVE-2010-4267 CVE-2011-2697 CVE-2013-4325 CVE-2013-6402 CVE-2013-6427 CVE-2015-0839 +2 more Upstream summary: The HP Linux Imaging and Printing (HPLIP) software may potentially be affected by […]
FreeBSD 12 — portaudit — security advisory — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: portaudit — auditfile remote code execution Upstream summary: Michael Gmelin and Jörg Scheinert has reported a remote command execution vulnerability in portaudit. An attacker who can get the user to […]
openSUSE Tumbleweed — php5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2012:0590-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-1823 CVE-2012-2688 CVE-2014-3622 CVE-2010-2225 CVE-2010-2950 CVE-2012-0830 CVE-2013-6420 CVE-2015-0235 +12 more Upstream summary: sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a […]
FreeBSD 12 — mono — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mono — DoS and code execution Related CVEs: CVE-2006-5072 CVE-2009-0217 CVE-2009-0689 Upstream summary: NCC Group reports: An attacker who can cause a carefully-chosen string to be converted to a floating-point […]
Designing for Humans With Design Thinking
How to use design thinking, a problem-solving process, to create innovative solutions for your users’ needs.
How to Set Up PostgreSQL Streaming Replication on RHEL 8
PostgreSQL streaming replication continuously ships Write-Ahead Log (WAL) records from a primary server to one or more standby replicas in near real time. The standby can serve as a warm failover target or, in hot-standby mode, accept read-only queries to offload reporting traffic from the primary. This tutorial configures a two-node streaming replication setup on […]
openSUSE Tumbleweed — nsd — multiple vulnerabilities (4 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 (see also SUSE bugzilla) Related CVEs: CVE-2012-2979 CVE-2016-6173 CVE-2019-13207 CVE-2020-28935 Upstream summary: FreeBSD NSD before 3.2.13 allows remote attackers to crash a NSD child server process (SIGSEGV) and cause a denial […]
Debian 10 – sshd Fails to Start After Config Change – Fast Validation Workflow
🔴 Critical ⏱ 5–30 min Last verified: 27 February 2020 Affected versions: Debian 10 📖 ~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 & […]
How to Configure Samba on FreeBSD 12
Introduction How to Configure Samba 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 […]
