Why Your System Log is an Essential Security Tool

When I get to the section on system logging when teaching Learning Tree’s System and Network Security Introduction many participants roll their eyes. There are few ways to make that material anywhere near exciting. At least there were until now. As I read about the recent attack on the US Office of Management and Budget, […]
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How to Log Events and Maintain Compliance with the Linux Journal — Part 2: How to Extract Journal Entries

Earlier this week I told you how to set up the journal daemon. Now that it has had time to gather data, let’s see how to easily extract meaningful reports from the Linux system log files. First, let’s see the complete journal data. Look at the first line to see how far back the journal […]
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How to Log Events and Maintain Compliance with journald, the New Linux System Event Log– Part 1: Configuring the Daemon

Cybersecurity laws and other regulations clearly exist for good reasons, and there are serious penalties involved if you fail to meet them. The new version of PCI DSS, the Payment Card Industry Data Security Standard, requires going beyond showing that data can be secure, you must show that it will be secure through established procedures […]
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How to Transition from init to systemd: Controlling Services

Last week I showed you how to determine your current run state and figure out what that really means. Let’s control some services to tune the state of our system! The systemctl command is the master tool for controlling and querying the systemd system and service manager. Both it and the related journalctl command truncate […]
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A Better Approach to Logging

Following on from my post last week about one-star reviews associated with the choice of artwork resolution for the retina iPad, there’s no surer way to get one-star reviews than have an application that crashes. At best it’s frustrating, at worst it results in data loss or corruption in applications that store data. For live […]
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