chris

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

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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openSUSE Tumbleweed — castor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — castor — multiple vulnerabilities (2 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-2014-3004 CVE-2013-3004 Upstream summary: The default configuration for the Xerces SAX Parser in Castor before 1.3.3 allows context-dependent attackers to conduct XML External Entity (XXE) […]

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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

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2020 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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Gentoo Linux — sys-devel/gdb — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-devel/gdb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-31 Related CVEs: CVE-2019-1010180 Upstream summary: It was discovered that gdb didn’t properly validate the ELF section sizes from input file. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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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

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2020 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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SLES 12 — python-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 February 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:197-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36242 CVE-2020-25659 Upstream summary: In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in […]

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How To Design a Document Schema in MongoDB — step-by-step Databases tutorial on Progressive Robot

How To Design a Document Schema in MongoDB

Document-oriented databases like MongoDB make it possible to break free from rigidity and limitations of the relational model. However, the flexibility and freedom from being able to store self-descriptive documents in the database can lead to other pitfalls and difficulties. This conceptual article outlines the common guidelines related to schema design in a document-oriented database and typical ways to model relationships between data.

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Common Problems 118496

Ubuntu 16.04 LTS – /var reaches 100 percent and services fail

🟠 High   ⏱ 5–30 min  Last verified: 12 February 2020 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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