IT, Cloud & DevOps Blog

How to Set Up FTP Server with vsftpd on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up FTP Server with vsftpd on Debian 9

Introduction Deploying set up ftp server with vsftpd on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

Read more
SLES 15 — libtomcrypt0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libtomcrypt0 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 June 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:2808-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-17362 Upstream summary: In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to […]

Read more
Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2020-1514)

🟠 High   ⏱ 15–60 min  Last verified: 9 June 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1514 Related CVEs: CVE-2020-2767 CVE-2020-2800 CVE-2020-2756 CVE-2020-2755 CVE-2020-2781 CVE-2020-2754 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Oracle Linux 8 — expat — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — expat — vulnerability — patch and remediation guide (ELSA-2020-4484)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 June 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4484 Related CVEs: CVE-2018-20843 CVE-2019-15903 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
How to Install Amanda Network Backup on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Amanda Network Backup on Debian 10

Introduction Deploying install amanda network backup on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

Read more
5 Ways to Improve your Production Web Application Server Setup — step-by-step Devops tutorial on Progressive Robot

5 Ways to Improve your Production Web Application Server Setup

Once your application is up and running in a cloud server environment, you may be wondering how you can improve your server environment to make the leap from “it works” to a full-fledged production environment. This article will help you get started with planning and implementing a production environment by creating a loose definition of “production”, and by showing you some components that you can add to your existing architecture to make the transition.

Read more
Common Problems 121579

Debian 9 SSH Public Key Authentication Fails

🟠 High   ⏱ 5–30 min  Last verified: 8 June 2020 Affected versions: Debian 9 📖 ~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