Linux

How To Configure Redis Replication on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure Redis Replication on Ubuntu 16.04

Redis is an open-source key-value data store, using an in-memory storage model with optional disk writes for persistence. It features transactions, a pub/sub messaging pattern, and automatic failover among other functionality. Redis has clients written in most languages with…

Read more
Common Problems 118430

Ubuntu 16.04 black screen after login

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 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
openSUSE Tumbleweed — findutils — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — findutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2007-2452 Upstream summary: Heap-based buffer overflow in the visit_old_format function in locate/locate.c in locate in GNU findutils before 4.2.31 might allow context-dependent attackers to execute […]

Read more
Common Problems 115122

RHEL 8 MariaDB service fails to start after data directory move

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 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
Alpine Linux edge — libmspack — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libmspack — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.8_alpha-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libmspack 0.8_alpha-r0 Related CVEs: CVE-2018-18584 CVE-2018-18585 CVE-2018-18586 CVE-2018-14679 CVE-2018-14680 CVE-2018-14681 CVE-2018-14682 CVE-2017-6419  +2 more Upstream summary: Alpine community repository for vedge ships libmspack 0.8_alpha-r0 which […]

Read more
How To Setup VNC For Ubuntu 12 — step-by-step Linux tutorial on Progressive Robot

How To Setup VNC For Ubuntu 12

VNC will allow you to connect to your server remotely, as well as be able to use your keyboard, mouse, and monitor to interface with that server. Get it setup on your Ubuntu 12 cloud server.

Read more
SLES 12 — aws-cli — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — aws-cli — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2018:4074-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-15869 Upstream summary: An Amazon Web Services (AWS) developer who does not specify the –owners flag when describing images via AWS CLI, and therefore not […]

Read more
SLES 12 — mgetty — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — mgetty — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:2850-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-16741 CVE-2008-4936 CVE-2018-16742 CVE-2018-16743 CVE-2018-16744 CVE-2018-16745 CVE-2019-1010190 Upstream summary: An issue was discovered in mgetty before 1.2.1. In fax/faxq-helper.c, the function do_activate() does not properly […]

Read more
CHAT