February 2020 - Page 37 of 64

Java printf() - Print Formatted String to Console — step-by-step Programming tutorial on Progressive Robot

Java printf() – Print Formatted String to Console

URL: https://www.progressiverobot.com/java-printf-method/ We've already discussed [Java println()](/community/tutorials/system-class-java-properties-out-println) method in a previous tutorial. Today, we'll discuss the printf() method and its various implementations in detail. Ready. Get. Set. Go! Java printf() printf() method is not only there in C, but also in Java. This method belongs to the PrintStream class. It's used to print formatted strings […]

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FreeBSD 12 — py37-urllib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py37-urllib — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • February 13, 2020
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: urllib3 — multiple vulnerabilities Related CVEs: CVE-2018-20060 CVE-2019-11236 CVE-2019-11324 Upstream summary: NIST reports: (by search in the range 2018/01/01 – 2019/11/10): urllib3 before version 1.23 does not remove the Authorization […]

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How to Monitor Windows Server 2016 with Zabbix — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Monitor Windows Server 2016 with Zabbix

How to Set Up Windows Server 2016 with Zabbix Zabbix is a powerful open-source enterprise monitoring platform that supports monitoring of servers, virtual machines, applications, databases, cloud services, and network devices. It provides active and passive check modes, auto-discovery, distributed monitoring, sophisticated alerting with escalation policies, and rich visualization through dashboards and graphs. Integrating Windows […]

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FreeBSD 12 — phpAdsNew — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — phpAdsNew — vulnerability — patch and remediation guide

  • February 13, 2020
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pear-XML_RPC — remote PHP code injection vulnerability Related CVEs: CVE-2005-2498 Upstream summary: A Hardened-PHP Project Security Advisory reports: When the library parses XMLRPC requests/responses, it constructs a string of PHP […]

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Linuxでファイルを検索する：findとlocateの使い方 — step-by-step Linux tutorial on Progressive Robot

Linuxでファイルを検索する：findとlocateの使い方

  • February 13, 2020
  • Linux
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ファイルの検索は、オペレーティングシステムを問わずごく一般的なタスクです。Linuxの「find」と「locate」コマンドは、どちらもファイルシステムのファイルの検索に使用します。このガイドでは、これら2つのツールを使用して、個別にファイルのクエリを作成する方法を説明します。

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Debian 10 — libreswan — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libreswan — vulnerability — patch and remediation guide

  • February 13, 2020
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-1763 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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How to Profile Application Performance with perf on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Profile Application Performance with perf on RHEL 9

  • February 13, 2020
  • Linux
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The perf tool is the Linux kernel’s built-in performance analysis framework, capable of sampling CPU events, tracing system calls, counting hardware performance counters, and generating flame graphs — all without any changes to the application under test. On RHEL 9, perf integrates tightly with the kernel’s BPF and tracepoint subsystems, making it one of the […]

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Ubuntu 18.04 — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — brotli — vulnerability — patch and remediation guide

  • February 13, 2020
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4568-1 Related CVEs: CVE-2020-8927 Upstream summary: It was discovered that Brotli incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. Table of contents Symptom […]

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