There are numerous articles dedicated to configuring a firewall using iptables in Linux, and given the topic's popularity, many more are likely to be written. While basic configurations are relatively straightforward, things get complicated with complex networks…
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Setting Up the ELK Stack: Configuring Elasticsearch, Logstash, and Kibana…
Service and application logs are often the only way to identify the source of issues, but they are usually neglected after installation and debugging. Modern approaches to development, deployment, and maintenance of applications demand a completely different…
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Avian influenza. Review of *nix vulnerabilities in 2015
According to cvedetails.com, more than 1,305 vulnerabilities have been found in the Linux core since 1999. Sixty-eight of these were in 2015. Most of them don't cause many problems (they are marked as Local and Low), and…
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Using synctool for server configuration management
The problem of managing a large number of systems is not new, but it has become particularly acute following the spread of clusters and cloud services. A variety of tools has been designed in order to solve…
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