Identifying Power Loss or Software Reset in Linux Devices

Identifying Power Loss or Software Reset in Linux Devices

Communication systems have very high stability requirements, with system availability reaching 99.999% (i.e., interruptions of no more than 5 minutes per year). A significant amount of effort is required to validate stability during testing. This article analyzes an abnormal reboot case on a Linux platform for communication systems, providing methods and operations for fault diagnosis. … Read more

Overview of Log Files in the /var/log Directory on Linux

Overview of Log Files in the /var/log Directory on Linux

Click the blue text Follow us Linux system log files are typically stored in the /var/log directory, with different log files recording different types of information. This article lists some common Linux log files and their functions. We apologize for any misunderstandings. 1. /var/log/syslog or /var/log/messages The system log files capture a wide range of … Read more

Emergency Response: Linux Intrusion Investigation Strategies

Emergency Response: Linux Intrusion Investigation Strategies

0x00 Introduction When a company experiences a hacker intrusion, system crash, or other security incidents that affect normal business operations, it is crucial to respond immediately to restore the company’s network information system to normal operation in the shortest time possible. Furthermore, it is necessary to investigate the source of the intrusion, reconstruct the incident … Read more