Category Archives: Uncategorized

Debian – Qualcom 6174 Wifi not working

On my new Acer Nitro laptop, after installing Debian 9.4, found that Wifi was not working. Looking at dmesg output looked like the Qualcom Athreos 10K was not found. Installed firmware-linux package, but still did not work. So visited the … Continue reading

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Open Day Light – Toaster Tutorial App

Few of my contacts were finding it difficult to get going on with the Open Day Light tutorial app. Reported that they were not able to cross the first step of creating a simple ‘Example’ project using Maven and an … Continue reading

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Setting up KVM on my dev system

Have a AMD Desktop with 1950X processor (16 core / 32 threads) with 64 GB RAM, with 9 1G interfaces and 2 x 1 TB HDD for storage apart from 250GB SSD for OS and host installation.  Wanted to have … Continue reading

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Build Linux Kernel

Had a need to build Linux Kernel. There were multiple sites which detailed the how-to. Finally to me it boiled down to the following After installing debian in the system, install required packages for building the kernel. [ Note : … Continue reading

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Quick start – First Spring Boot App in Eclipse

In eclipse start a new maven project – Sample entries I had provided Edit the pom.xml file and add the following dependency – Want to test a simple rest endpoint app <dependencies> <dependency>    <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-rest</artifactId> </dependency> </dependencies> Add the … Continue reading

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Tomcat 8.5.x – Eclipse plugin

In the lib folder of tomcat,  catalina.jar  includes org/apache/catalina/util/ServerInfo.properties update the contents of the line in that file server.info=Apache Tomcat/8.5.x to server.info=Apache Tomcat/8.0.0    

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Firefox – Java – Plugin – Ubuntu 16.04

After installing Oracle java mkdir ~/.mozilla/plugins ln -s /usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so ~/.mozilla/plugins  

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Lync / Skype for business on Ubuntu 16.04

Based on information at : https://community.skype.com/t5/Linux/Skype-for-Business/td-p/4072041 Access https://tel.red/linux.php Scroll down and click on the relevant link matching your OS version and install. Using it for some time now – No issues found till now  

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Installing Node JS on Ubuntu 16.04 LTS

Add NodeJS PPA sudo apt-get install python-software-properties curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash – 2. Install nodejs sudo apt-get install nodejs Verify version name@host:~$node -v v6.8.0 name@host:~$npm -v 3.10.8 Optional – To test installation Create a file server.js with … Continue reading

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Tomcat Deploy Web App takes long time

Observed that deployment of WAR files was taking a long time. On searching for info came to know it could be because of the bug http://bugs.java.com/bugdatabase/view_bug.do?bug_id=4705093 The solution was to add the following line in $CATALINA_HOME/bin/setenv.sh file (create one if … Continue reading

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