IT, Cloud & DevOps Blog

Ubuntu 22.04 — strongswan — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — strongswan — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • July 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8196-1 Related CVEs: CVE-2026-35329 CVE-2026-35331 CVE-2026-35330 CVE-2026-35332 CVE-2026-35328 CVE-2026-35333 CVE-2026-35334 CVE-2026-25075  +4 more Upstream summary: Haruto Kimura discovered that strongSwan incorrectly handled the supported_versions extension in TLS. A remote attacker […]

Read more
Ubuntu 20.04 — openjdk-21 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — openjdk-21 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8002-1 Related CVEs: CVE-2026-21945 CVE-2026-21933 CVE-2026-21932 CVE-2026-21925 CVE-2025-53057 CVE-2025-53066 CVE-2025-61748 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 21 would establish RMI TCP endpoint […]

Read more
How to Configure Kubernetes Ingress Controller on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Kubernetes Ingress Controller on FreeBSD 15

  • July 29, 2026
  • FreeBSD
  • Comment off

Introduction Deploying configure kubernetes ingress controller on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

Read more
Ubuntu 16.04 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8071-2 Related CVEs: CVE-2026-2781 CVE-2023-0767 CVE-2022-22747 CVE-2022-34480 CVE-2021-43527 CVE-2020-12403 CVE-2020-12400 CVE-2020-12401  +12 more Upstream summary: USN-8071-1 fixed a vulnerability in nss. This update provides the corresponding fix for Ubuntu 14.04 […]

Read more
Common Problems 116101

Ubuntu 26.04 LTS – CUPS printer remains offline – Fix & Prevention

  • July 29, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 2026 Affected versions: Ubuntu 26.04 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
SLES 15 — terraform-provider-tls — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — terraform-provider-tls — vulnerability — patch and remediation guide

  • July 29, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 29 July 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0757-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-25934 Upstream summary: go-git is a highly extensible git implementation library written in pure Go. Prior to 5.16.5, a vulnerability was discovered in go-git whereby […]

Read more
Common Problems 116041

Ubuntu 26.04 LTS – GNOME login loop after graphics update – Fix & Prevention

  • July 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 29 July 2026 Affected versions: Ubuntu 26.04 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
How to Upgrade FreeBSD 14 to FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Upgrade FreeBSD 14 to FreeBSD 15

  • July 29, 2026
  • FreeBSD
  • Comment off

Introduction How to Upgrade FreeBSD 14 to FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

Read more
openSUSE Tumbleweed — dnsdist — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dnsdist — multiple vulnerabilities (18 CVEs) — patch and remediation guide

  • July 29, 2026
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-33598 CVE-2026-33254 CVE-2026-33593 CVE-2026-33594 CVE-2026-33595 CVE-2026-33597 CVE-2026-33599 CVE-2026-33602  +10 more Upstream summary: A cached crafted response can cause an out-of-bounds read if custom Lua code […]

Read more
How to Configure the System Timezone on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure the System Timezone on FreeBSD 15

  • July 29, 2026
  • FreeBSD
  • Comment off

Introduction Deploying configure the system timezone on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

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