August 2021 - Page 33 of 69

Debian 11 — k4dirstat — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — k4dirstat — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2528 Upstream summary: kcleanup.cpp in KDirStat 2.7.3 does not properly quote strings when deleting a directory, which allows remote attackers to execute arbitrary commands via a ' (single […]

Read more
Ubuntu 20.04 — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4482-1 Related CVEs: CVE-2020-24654 CVE-2020-16116 Upstream summary: Fabian Vogt discovered that Ark incorrectly handled symbolic links in tar archive files. An attacker could use this to construct a malicious tar […]

Read more
How to Set Up Windows Server 2019 Group Policy Modelling — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Group Policy Modelling

How to Set Up Windows Server 2019 Group Policy Modelling Group Policy Modelling (also known as Resultant Set of Policy — Planning Mode) is a powerful analysis tool built into the Group Policy Management Console that predicts what Group Policy settings would apply to a user or computer given a specific set of conditions. Rather […]

Read more
Python os module — step-by-step Python tutorial on Progressive Robot

Python os module

URL: https://www.progressiverobot.com/python-os-module/ Python OS module provides easy functions that allow us to interact and get Operating System information and even control processes up to a limit. Python OS Module The functions OS module provides allows us to operate on underlying Operating System tasks, irrespective of it being a Windows Platform, Macintosh or Linux. In this […]

Read more
Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2021-4537)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4537 Related CVEs: CVE-2021-20325 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Debian 10 — ruby2.5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby2.5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15845 CVE-2020-10663 CVE-2021-28965 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

Read more
Pandas concat() Examples — step-by-step Python tutorial on Progressive Robot

Pandas concat() Examples

URL: https://www.progressiverobot.com/pandas-concat-examples/ Pandas concat() method is used to concatenate pandas objects such as DataFrames and Series. We can pass various parameters to change the behavior of the concatenation operation. 1. Pandas concat() Syntax The concat() method syntax is: concat(objs, axis=0, join='outer', join_axes=None, ignore_index=False, keys=None, levels=None, names=None, verify_integrity=False, sort=None, copy=True) objs: a sequence of pandas objects […]

Read more
Debian 11 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6321 CVE-2008-5619 CVE-2008-5620 CVE-2009-0413 CVE-2009-4076 CVE-2009-4077 CVE-2010-0464 CVE-2011-1491  +12 more Upstream summary: Cross-site scripting (XSS) vulnerability in RoundCube webmail 0.1rc2, 2007-12-09, and earlier versions, when using Internet Explorer, […]

Read more
How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 8

PostgreSQL provides two complementary tools for database backups: pg_dump and pg_basebackup. pg_dump takes logical backups of individual databases or selected objects and can restore to a different PostgreSQL version or host. pg_basebackup takes a physical, byte-for-byte copy of the entire data directory, which is the foundation of streaming replication and point-in-time recovery. This tutorial covers […]

Read more
CHAT