This guide walks you through configuring rsyslog for centralized log collection, distinguishing syslog and klog processes, and setting up OpenSSH with host keys and password‑less RSA authentication, including practical command examples and essential rsyslog and SSH options.
This guide walks through checking system information, configuring rsyslog on a CentOS 8 client‑server pair, managing syslog/klogd processes, disabling firewalld, and establishing password‑less SSH access using RSA key pairs, while also summarizing useful scp options.
This article explains a compact method for recording system logs on embedded devices with limited storage, detailing flash memory partitioning, data structures, parameter handling, and a set of AT‑style commands for querying, writing, and managing logs in external flash.
This guide explains how to effectively manage application logs on Linux by defining log content and archiving rules, handling special scenarios like nohup, MySQL, and Nginx, and using tools such as crontab, logrotate, and copy‑truncate to prevent uncontrolled disk growth.
This guide explains why continuous Linux logging wears out SSDs, how Log2Ram redirects logs to RAM, and provides step‑by‑step commands to install, configure, and verify Log2Ram, helping you prolong disk lifespan while maintaining system diagnostics.
This article explains why detailed system operation logs are essential for security audits and troubleshooting, outlines practical filtering guidelines, and compares five Linux auditing methods—history, custom bash, snoopy, auditd, and eBPF—highlighting their strengths, limitations, and usage examples.
This tutorial explains how the Linux kernel uses a circular buffer for log messages and shows how to use the dmesg command to display, format, filter, paginate, follow, and clear those logs, including permission handling and useful command‑line options.
