Como compilar e implantar um aplicativo Flask usando o Docker no Ubuntu 18.04
O autor selecionou a Tech Education Fund para receber uma doação como parte do programa Write for DOnations. O Docker é um aplicativo de código aberto que permite que os…
Ubuntu 18.04 — opensmtpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 11 December 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4294-1 Related CVEs: CVE-2020-8793 CVE-2020-8794 CVE-2020-7247 Upstream summary: It was discovered that OpenSMTPD mishandled certain input. A remote, unauthenticated attacker could use this vulnerability to execute arbitrary shell commands as […]
Hibernate Session merge, update, save, saveOrUpdate, persist example
Hibernate Session is the interface between java application and hibernate framework. Today we will look into Session important methods for saving and updating data in tables – save, saveOrUpdate, persist, update and merge. Hibernate Session  Hibernate Session save As the method name suggests, hibernate save() can be […]
How To Use ViewChild in Angular to Access a Child Component, Directive, or DOM Element
This article will introduce you to Angular’s ViewChild decorator.
How to Install and Use Podman Pods on RHEL 7
How to Install and Use Podman Pods on RHEL 7 Podman is a daemonless, rootless-capable container engine that ships with modern versions of RHEL and is available via EPEL on RHEL 7. One of Podman’s most powerful features is pods — a concept borrowed directly from Kubernetes. A pod is a group of one or […]
How To Add Loading Indicators to a Vue.js Application
Loading indicators improve UX (user experience) in any application web or mobile. It tells the user that an action is being carried and a result will return shortly. This article will show a few ways we can add loaders to our Vue.js applications.
Oracle Linux 8 — .NET 6.0 security and bugfix update (ELSA-2022-5046)
🟡 Medium ⏱ 10–30 min Last verified: 10 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-5046 Related CVEs: CVE-2022-30184 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Ubuntu 16.04 Docker Daemon Fails to Start
🟡 Medium ⏱ 5–30 min Last verified: 10 December 2020 📖 ~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 20.04 LTS Sudo Access Unexpectedly Revoked
🟡 Medium ⏱ 5–30 min Last verified: 10 December 2020 📖 ~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 […]
How to Use IBM Spectrum LSF on IBM AIX 7.1
Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibm spectrum lsf on ibm aix 7.1 on […]
