Logrotate is a system utility that manages the automatic rotation and compression of log files. If log files were not rotated, compressed, and periodically pruned, they would eventually consume all available disk space on a system. In this article, we will explore the default Logrotate configuration, then configure log rotation for a fictional custom application.
🟡 Medium ⏱ 5–30 min Last verified: 17 November 2022 📖 ~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 & Cross-Refs References & Further […]
🟡 Medium ⏱ 10–30 min Last verified: 17 November 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6243-1 Related CVEs: CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: It was discovered that Graphite-Web incorrectly handled certain inputs. If a user or an automated system were tricked into opening a […]
🟡 Medium ⏱ 5–30 min Last verified: 16 November 2022 📖 ~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 & Cross-Refs References & Further […]
Poetry is a dependency manager for Python that is also capable of building and packaging your Python projects for distribution. [PyPI](https://pypi.org/) is a popular repository for uploading and downloading Python packages, and will be used in this tutorial. It is the official third party source for Python packages, and is operated by Python Software Foundation. Publishing your packages on PyPI makes it publicly available for installation by yourself, or anyone else.
🟢 Low ⏱ 5–15 min Last verified: 14 November 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6914-1 Related CVEs: CVE-2022-39369 Upstream summary: Filip Hejsek discovered that the phpCAS library included in OCS Inventory was using HTTP headers to determine the service URL used to validate tickets. […]
A virtual private network, or VPN, allows you to securely encrypt traffic as it travels through untrusted networks, such as those at the coffee shop, a conference, or an airport.
🟡 Medium ⏱ 5–30 min Last verified: 13 November 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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 […]
Redis is a key-value data store, which is a type of NoSQL database where keys serve as unique identifiers for their associated values. Any given Redis instance includes a number of databases, each of which can hold many different keys of a variety of data types. In this tutorial, we will go over how to select a database, move keys between databases, and manage and delete keys.
🟠 High ⏱ 5–30 min Last verified: 12 November 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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 […]
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