chris

Java String Array — step-by-step Programming tutorial on Progressive Robot

Java String Array

URL: https://www.progressiverobot.com/java-string-array/ Java String array is used to hold fixed number of Strings. [String](/community/tutorials/java-string) [array](/community/tutorials/java-array) is very common in [simple java programs](/community/tutorials/simple-java-programs), specially among beginners to java and to test some specific scenarios. Even [java main method](/community/tutorials/public-static-void-main-string-args-java-main-method) argument is string array – public static void main(String[] args). So today we will look into different aspects […]

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Oracle Linux 8 — sudo — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sudo — vulnerability — patch and remediation guide (ELSA-2020-0487)

🟠 High   ⏱ 15–60 min  Last verified: 6 January 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0487 Related CVEs: CVE-2019-18634 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Java Array of ArrayList, ArrayList of Array — step-by-step Programming tutorial on Progressive Robot

Java Array of ArrayList, ArrayList of Array

URL: https://www.progressiverobot.com/java-array-of-arraylist-of-array/ Today we will learn how to create a Java array of ArrayList. We will also learn how to create an ArrayList of array elements. Java Array of ArrayList ![java array of arraylist, array of lists in java](images/java-array-of-arraylist-of-array-section-1.png) Creating array of [list in java](/community/tutorials/java-list) is not complex. Below is a simple program showing [java […]

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

openSUSE Tumbleweed — supervisor — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-12105 Upstream summary: In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected […]

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How to Install and Configure Samba File Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Samba File Server on Debian 9

Introduction This guide explains how to Install and Configure Samba File Server on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]

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SLES 15 — system-user-root — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — system-user-root — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 6 January 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:697-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-5021 Upstream summary: Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to […]

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FreeBSD 12 — percona55-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — percona55-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836 CVE-2015-4858  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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How to Configure a DNS Server on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure a DNS Server on Windows Server 2016

How to Configure DNS Server on Windows Server 2016 The DNS Server role on Windows Server 2016 resolves hostnames to IP addresses, enabling network resources to be located by name rather than by number. DNS is a fundamental requirement for Active Directory to function, and it is also used for general network name resolution. This […]

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