ubuntu

How To Install Webmin with SSL on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Webmin with SSL on Ubuntu 14.04

Webmin is a web-based system administration tool for Unix-like systems. It provides an easy alternative to command line system administration and can be used to manage various aspects of a system, such as users and services, through the use of the provided Webmin modules. If you want to manage your own server but you are uncomfortable with the command line, Webmin is a good tool to help you get started.

Read more
How To Deploy an Advanced PHP Application Using Ansible on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Deploy an Advanced PHP Application Using Ansible on Ubuntu 14.04

In this tutorial, we will cover setting up SSH keys to support code deployment/publishing tools, configuring the system firewall, provisioning and configuring the database (including the password), and setting up task schedulers (crons) and queue daemons. The goal at the end of this tutorial is for you to have a fully working PHP application server with the aforementioned advanced configuration.

Read more
Common Problems 119066

Ubuntu 14.04 LTS – Apache returns 502 due to PHP-FPM backend issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 October 2019 Affected versions: Ubuntu 14.04 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 […]

Read more
Common Problems 118457

Ubuntu 16.04 LTS apt reports Hash Sum mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 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 117890

Ubuntu 18.04 LTS apt update fails with NO_PUBKEY errors

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 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
Ubuntu 16.04 — libapreq2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libapreq2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5041-1 Related CVEs: CVE-2019-12412 Upstream summary: It was discovered that libapreq2 did not properly sanitize the Content-Type field in certain crafted HTTP requests. An attacker could possibly use the vulnerability […]

Read more
How To Migrate a WordPress Installation from Apache to Nginx on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Migrate a WordPress Installation from Apache to Nginx on an Ubuntu VPS

Many users initially set up WordPress installations using the Apache web server. While Apache does an excellent job serving content in most instances, Nginx, an alternative web server, can often do the same using fewer resources. The implication of this is that your WordPress site can handle more users if it is being served by Nginx. In this guide, we will discuss how to migrate your WordPress installation from Apache to Nginx.

Read more
Common Problems 118096

Ubuntu 18.04 LTS – MySQL service fails to start after crash with InnoDB log mismatch – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 7 October 2019 Affected versions: Ubuntu 18.04 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 […]

Read more
CHAT