IT, Cloud & DevOps Blog

How To Build a Discord Bot with Node.js — step-by-step Javascript tutorial on Progressive Robot

How To Build a Discord Bot with Node.js

Discord is a chat application that allows millions of users across the globe to message and voice chat online in communities called guilds or servers. In this tutorial, you will build a Discord bot from scratch, using Node.js and the Discord.js library, which allows users to directly interact with the Discord API. You’ll set up a profile for a Discord bot, get authentication tokens for the bot, and program the bot with the ability to process commands, with arguments, from users.

Read more
Debian 10 — libwebp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libwebp — vulnerability — patch and remediation guide

  • August 14, 2019
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25009 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
An Introduction to JSON — step-by-step Javascript tutorial on Progressive Robot

An Introduction to JSON

JSON — short for JavaScript Object Notation — is a format for sharing data. As its name suggests, JSON is derived from the JavaScript programming language, but it’s available for use by many languages. This informational guide will get you up to speed with the data you can use in JSON files, and the general structure and syntax of this format.

Read more
FreeBSD 12 — rubygem18-json — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem18-json — vulnerability — patch and remediation guide

  • August 13, 2019
  • BSD
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 13 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ruby — Denial of Service and Unsafe Object Creation Vulnerability in JSON Related CVEs: CVE-2013-0269 Upstream summary: Aaron Patterson reports: When parsing certain JSON documents, the JSON gem can be […]

Read more
Common Problems 118918

Ubuntu 14.04 LTS – apt update fails because dpkg lock is held

  • August 13, 2019
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 13 August 2019 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

Read more
Common Problems 118454

Ubuntu 16.04 LTS high load average caused by I/O wait saturation

  • August 13, 2019
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 13 August 2019 Affected versions: 16.04 📖 ~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 […]

Read more
Common Problems 118417

Ubuntu 16.04 LTS SSH permission denied (publickey)

  • August 13, 2019
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 2019 📖 ~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 […]

Read more
Common Problems 115561

Yum Update Fails Due to Insufficient /var Cache Space

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 2019 📖 ~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 […]

Read more
Common Problems 115541

LVM Root Volume Full Causing Service Startup Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 2019 📖 ~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 […]

Read more
Common Problems 115017

HTTP Service Starts but SELinux Blocks Outbound Connection

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 2019 📖 ~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 […]

Read more

Tags

AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server
CHAT