Tag: Linux

GNU Screen Utility for DBAs

Gleb Otochkin, Principal Consultant and Certified Oracle Expert at Pythian, explains how to use the GNU Screen utility for DBAs.

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The rlwrap utility for DBA.

I spend most of my time as a DBA in linux terminal and sqlplus. Everybody who works with oracle sqlplus knows about its power, but also about its limitations. For many years I have used the rlwrap utility developed by…

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vm.swappiness and OOM in RHEL6

The behavior of vm.swappiness was always a bit confusing for novice linux users, as setting vm.swappiness to 0 would not completely disable swapping in the system during a memory crunch. vm.swappiness would only affect the agressiveness of swapping. Following upstream…

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Encrypting sensitive data in puppet using hiera-eyaml

Minto Joseph, Site Reliability Consultant at Pythian, explains how to encrypting sensitive data in puppet using hiera-eyaml.

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How to recover space from already deleted files

Austin Arowsmith, Site Reliability Consultant – Assistant Team Manager at Pythian, explains how to recover space from already deleted files.

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No Arguments Here – Use xargs for File Management Performance

Jared Still, Pythian Principle Consultant and Oracle ACE, explains how using xargs with find can greatly speed up maintenance scripts and reduce system resource usage.

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The 5 Best Things That Will Happen to DBAs When SQL Server Moves to Linux

Fahd Mirza, Pythian Database Expert and Oracle ACE, contemplates how SQLServer on Linux will bring positive changes the DBA role.

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Centralized authentication with Red Hat Directory Server for Linux systems

Rohan Bhagat, Systems Administrator at Pythian, discusses centralized authentication with Red Hat Directory Server for Linux systems.

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Debugging Kibana using Chrome developer tools

Minto Joseph, Site Reliability Consultant at Pythian, details his experience debugging Kibana using Chrome developer tools.

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SQL Server on Linux – No April fools

Chris Presley, Solutions Architect at Pythian, discusses Microsoft’s announcement of SQL server on Linux.

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