How To Create Nagios Plugins With PHP On CentOS 6
After completing this tutorial, you’ll have created Nagios Plugins with PHP on a CentOS 6 virtual server.
Debian 9: Apache returns 503 because PHP-FPM socket is missing
🟠 High ⏱ 5–30 min Last verified: 1 March 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 & […]
openSUSE Tumbleweed — fastjar — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2021:1107-1 (see also SUSE bugzilla) Related CVEs: CVE-2010-2322 Upstream summary: Absolute path traversal vulnerability in the extract_jar function in jartool.c in FastJar 0.98 allows remote attackers to create or overwrite arbitrary files […]
Debian 10 – ext4 filesystem remounts read-only after I/O errors
🔴 Critical ⏱ 5–30 min Last verified: 1 March 2020 Affected versions: Debian 10 📖 ~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 & […]
How to Install and Configure k3s Lightweight Kubernetes on Debian 10
Introduction Deploying install and configure k3s lightweight kubernetes 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 […]
openSUSE Tumbleweed — NetworkManager-applet — 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-2017-6590 Upstream summary: An issue was discovered in network-manager-applet (aka network-manager-gnome) in Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10. A local attacker could […]
Amazon Linux 2 — libssh2 — multiple vulnerabilities (11 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2257 Related CVEs: CVE-2020-22218 CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3863 CVE-2019-3859 CVE-2019-3860 CVE-2019-17498 +3 more Upstream summary: An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out […]
How to Use Terraform to Provision Infrastructure on RHEL 7
How to Use Terraform to Provision Infrastructure on RHEL 7 Once Terraform is installed, the real power comes from writing complete, production-grade infrastructure configurations. A single Terraform project can define an entire cloud environment — VPC networking, subnets, security groups, EC2 instances, load balancers, and databases — all in version-controlled code that can be reviewed, […]
SLES 15 — libspeex1 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 1 March 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:3858-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-23903 Upstream summary: A Divide by Zero vulnerability in the function static int read_samples of Speex v1.2 allows attackers to cause a denial of service […]
openSUSE Tumbleweed — file — multiple vulnerabilities (11 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:0677-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18218 CVE-2007-1536 CVE-2007-2799 CVE-2012-1571 CVE-2014-3710 CVE-2014-8116 CVE-2014-8117 CVE-2017-1000249 +3 more Upstream summary: cdf_read_property_info in cdf.c in file through 5.37 does not restrict the number of […]
