How To Configure Nginx with SSL as a Reverse Proxy for Jenkins
Serve Jenkins more securely with Nginx as a front-end proxy server. This configuration forces SSL.
Ubuntu 18.04 printer not detected on USB or network
🟡 Medium ⏱ 5–30 min Last verified: 5 December 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 […]
Ubuntu 18.04 LTS – network interface is down after reboot
🟠 High ⏱ 5–30 min Last verified: 5 December 2022 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]
Ubuntu 16.04 — libgoogle-gson-java — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 5 December 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6692-1 Related CVEs: CVE-2022-25647 Upstream summary: It was discovered that Gson incorrectly handled deserialization of untrusted input data. If a user or an automated system were tricked into opening a […]
How To Add Swap Space on Ubuntu 22.04
One way to guard against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to an Ubuntu 22.04 server.
Ubuntu 22.04 LTS – apt update fails with NO_PUBKEY repository signature errors – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 4 December 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 […]
Ubuntu 22.04 — fis-gtm — multiple vulnerabilities (8 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 4 December 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7422-1 Related CVEs: CVE-2021-44492 CVE-2021-44498 CVE-2021-44500 CVE-2021-44502 CVE-2021-44506 CVE-2021-44508 CVE-2021-44509 CVE-2021-44510 Upstream summary: It was discovered that FIS-GT.M could incorrectly dereference memory in certain instances. An attacker could possibly use […]
How To Use DVTM and Dtach as a Terminal Window Manager on an Ubuntu VPS
As you begin to work remotely with servers, you will probably come across situations where you’ll need multiple terminal sessions at once. Using a terminal multiplexer, you can accomplish that easily. We’ll show you how to use “dvtm”, a terminal window manager, together with “dtach” a session detachment tool, to work in a light-weight multiplexing environment.
Ubuntu 20.04 — linux-gcp-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 4 December 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5485-1 Related CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-1158 CVE-2022-1966 CVE-2022-1972 CVE-2022-21499 CVE-2022-24958 +12 more Upstream summary: It was discovered that some Intel processors did not completely perform cleanup actions on multi-core […]
How To Install Mailpile on Ubuntu 14.04
A webmail client like Mailpile is a great way to ensure you can access your email from anywhere without the hassle of configuring a standard email client. Mailpile is just a mail client, meaning it only manages existing mail accounts.
