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Archive for the 'Security' Category

6 Important Logfiles Stored in /var/log Directory

There are many log files in linux systems, but we will outline six that are most important. /var/log/cups/ – This directory stores the log files for the printing system CUPS. /var/log/news/ – This Directory stores messages for the news system. /var/log/boot.msg – When the system boots, all boot script messages are displayed on the first [...]

6 Ways to Monitor Login Activity from the Command Line

One of the crucial task one have as an administrator is to make sure that there is no suspicious activity on the system that might compromise security. Monitoring tasks include evaluating login activity for signs of a security breach, such as multiple failed logins. To monitor login activity, you can use the following six commands. [...]

10 Basic Linux Security Tips to Implement

The following is a list of rules and tips you might find useful in dealing with basic security concerns: Avoid doing your regular jobs when you are logged in as root. This reduces the risk of getting a cuckoo egg or a virus and protects you from your own mistakes. If possible, always try to [...]

darkstat — network packet analyzer

It is a packet sniffer which runs as a background process and serves its statistics to a web browser: – input and output IP traffic by machines, ports and protocols, – last minute, hourly, daily and monthly global input and output graphics. It is known to be smaller (in terms of memory footprint) and stabler [...]

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