2019 - Page 86 of 527

How to Configure syslog-ng for Centralised Syslog on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure syslog-ng for Centralised Syslog on RHEL 7

How to Configure syslog-ng for Centralised Syslog on RHEL 7 Every Linux system generates a continuous stream of log data from the kernel, system services, and applications. On a single host, rsyslog handles this adequately, but when you need to aggregate logs from dozens or hundreds of servers into a central repository, filter them intelligently, […]

Read more
Debian 9 — python-reportlab — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — python-reportlab — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17626 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
How To Install and Use Composer on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Composer on Ubuntu 14.04

Composer is a popular dependency management tool for PHP, created to facilitate installation and update of project dependencies. It will check which other packages a specific project depends on and install them for you, using the appropriate versions according to the project requirements.

Read more
Debian 9 — openconnect — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — openconnect — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16239 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Using the getch() function in C/C++ — step-by-step Programming tutorial on Progressive Robot

Using the getch() function in C/C++

In this article, we'll take a look at using the getch() function in C/C++. The getch() function is very useful if you want to read a character input from the keyboard. While this is not a part of the C standard, this is still a POSIX C function. So, we can still use this function […]

Read more
How to Set Up WireGuard VPN on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up WireGuard VPN on RHEL 8

WireGuard is a modern, high-performance VPN protocol built into the Linux kernel since version 5.6, offering significantly simpler configuration and better performance than older alternatives like OpenVPN or IPsec. On RHEL 8, WireGuard can be installed via the ELRepo kernel module or the wireguard-tools package from EPEL, with the kernel module provided by the elrepo-kernel […]

Read more
Arch Linux — libcurl-gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libcurl-gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201805-18 Related CVEs: CVE-2018-1000301 CVE-2018-1000300 CVE-2019-5436 CVE-2019-3823 CVE-2019-3822 CVE-2018-16890 CVE-2018-16840 CVE-2018-0500  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 7.59.0-1. Fixed in: 7.60.0-1. Group: AVG-699. Table of contents […]

Read more
Common Problems 115593

RHEL 7 – journald Disk Usage Grows Until /var Is Full

🟡 Medium   ⏱ 5–30 min  Last verified: 18 November 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
CHAT