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Refilling the Inkjet Cartridges – ALL YOU NEED TO KNOW

       Many of us use printer. It may be in home or office. We usually own inkjet printers if its for basic use. The main advantage of inkjet printers are its low cost. We used to refill the cartridge once the ink gets over which is an another added advantage. Cartridges are just… Read More »

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MYSQL on Linux(Ubuntu) keeps crashing – Solution is to create Swap Space

          There are many internet users who face this problem where the MYSQL on their server getting crashed frequently. I personally faced this problem in my WordPress blog in my VPS. This problem occurs due to lack of memory(RAM) space. i.e. when your RAM usage hits the maximum. This problem can… Read More »

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Elasticsearch – Use Script Filter/Conditon in Aggregation/Sub-Aggreagtion

Example 1 – REST: GET /INDEX/TYPE/_search { "size": 0, "aggs": { "FILTER_NAME": { "filter": { "script": { "script": "doc['field1'].value < doc['field2'].value" } } } } } Example 1 – Java API: SearchRequestBuilder searchRequestBuilder = esClient .prepareSearch("INDEX) .setTypes("TYPE") .setSize(0) .addAggregation( AggregationBuilders.filter("FILTER_NAME").filter(FilterBuilders.scriptFilter("doc['filed1'].value > doc['field2'].value"))); SearchResponse searchResponse = searchRequestBuilder.execute().actionGet(); Map<String, Aggregation> aggMap = searchResponse.getAggregations().asMap(); InternalFilter filter = (InternalFilter)… Read More »

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Elasticsearch and Logstash – General Guide Links

Web Application for Elasticsearch : ElasticTab – Elasticsearch to Excel Report (Web Application) Elasticsearch Plugin: Elasticsearch Plugin To Generate (Save and E-Mail) Excel Reports Elasticsearch: Execute Multiple Search Query in Elasticsearch Monitor Elasticsearch Servers with Shell Script – E-Mail Notification Execute Raw Elasticsearch Query using Transport Client – Java API Elasticsearch – Apply Nested Filter on… Read More »

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Remove X-Powered-By Headers (Servlet/2.5 JSP/2.1) in WebLogic (Oracle) Server

Go to Oracle WebLogic admin console Select Deployments in Domain Structure Select the required application in Deployments Select Configuration tab, then select Application tab Remove the text in Monitoring Attribute Name text box

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