🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.18-r0 📖 ~4 min read • Source: Alpine secdb entry — jbig2dec 0.18-r0 Related CVEs: CVE-2020-12268 Upstream summary: Alpine main repository for vedge ships jbig2dec 0.18-r0 which addresses CVE-2020-12268. Table of contents Symptom & Impact Environment […]
![[Video] How To Set Up Sudo and SSH Keys on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/video-how-to-set-up-sudo-and-ssh-keys-on-ubuntu-14-04-94276-featured.png "[Video] How To Set Up Sudo and SSH Keys on Ubuntu 14.04 2")
This tutorial screencast will show you how to set up a non-root superuser account (sudo) and SSH key authentication on an Ubuntu 14.04 server. Following these steps can improve the security of your server, and is recommended for all Linux servers.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202012-10 Related CVEs: CVE-2020-25219 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.4.15+33+g454a499-2. Fixed in: 0.4.16-1. Group: AVG-1226. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Databases grow over time, sometimes outgrowing the space on the file system. You can also run into I/O contention when they’re located on the same partition as the rest of the operating system. RAID, network block storage, and other devices can offer redundancy and other…
🟢 Low ⏱ 5–15 min Last verified: 8 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7035-1 Related CVEs: CVE-2016-1585 https://bugs.launchpad.net/apparmor/+bug/1597017 Upstream summary: It was discovered that the AppArmor policy compiler incorrectly generated looser restrictions than expected for rules allowing mount operations. A local attacker could […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202011-26 Related CVEs: CVE-2020-28991 Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 1.12.5-1. Fixed in: 1.12.6-1. Group: AVG-1299. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
IEEE 802.1Q VLAN tagging allows a single physical network interface to carry traffic for multiple logically isolated networks by inserting a 4-byte VLAN tag into Ethernet frames. This is essential in virtualization environments, network segmentation architectures, and anywhere a single uplink must serve multiple subnets. On RHEL 8, NetworkManager handles 802.1Q VLAN interfaces natively through […]
🟡 Medium ⏱ 10–30 min Last verified: 7 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-1951 Related CVEs: CVE-2018-18508 CVE-2019-11719 CVE-2019-11727 CVE-2019-11729 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2022:1828 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Python是一种灵活多样的编程语言。它的用途广泛，在脚本、自动化、数据分析、机器学习和后端开发方面都具有优势。Python于1991年首次发行，名字的灵感来源于英国喜剧团体“Monty Python”，因此Python开发团队希望让Python用起来很有趣。易于安装配置、代码风格相对简单直接、有即时的反馈和报错，这些特性让Python成为编程初学者的一个很好选择，也同样适合有经验的程序员。[Python…
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