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Wednesday, January 15, 2020

Analyzing why Oracle archive log takes a lot of space

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Problem Oracle archivelog grows extensively. Need to figure out what objects are being changed most frequently. Solution Run f...
Thursday, October 24, 2019

Convert tab delimited file into comma delimited on Mac

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Problem Need to convert tab delimited file to comma delimited on Mac. Solution Use sed utility, note that standard version doesn'...
Tuesday, October 22, 2019

Simple build script that works in Windows and Linux

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Problem Have two development environments: Laptop MacOS, Visual Studio Professional for Mac, .NET Core 3.0 Desktop Windows 10, Visu...
Wednesday, June 5, 2019

How to find out what processes were killed by OOM on Linux

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Problem Services with high memory utilization are dying sporadically. Solution Run the following command to get a list of processes k...

How to find out how long the process has been running on Linux

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Problem Need to find out how long process is running Solution In order to get time how long process is running, execute following com...
Thursday, May 30, 2019

Azure VM is not accessible /proc/net/route contains no routes

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Problem Oversudden Azure VMs running Ubuntu 18LTS became unreachable (WestUS region) /proc/net/route contains no routes Solution ...
Tuesday, May 14, 2019

Tibco Jaspersoft throws error java.lang.NoClassDefFoundError: Could not initialize class java.awt.Color

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Problem Tibco Jaspersoft Report server throws java.lang.NoClassDefFoundError: Could not initialize class java.awt.Color when attempting t...