Redis cache and its some important commands

September 5, 2015 Article

Redis is in-memory data structure store, used as database, cache replica cartier love bracelets and message broker. It stores data on disk and also hermes replica jewelry in memory. We can call it as permanent + memory storage. It supports data types like regular databases … string hash list set sorted sets It supports various queries Read More

Install and configure logstash-forwarder

August 16, 2015 Article

Install logstash-forwarder <pre class=”wp-code-highlight prettyprint replica cartier linenums:1″> yum install hermes bracelets https://download.elastic.co/logstash-forwarder/binaries/logstash-forwarder-0.4.0-1.x86_64.rpm Add config file in location – /etc/logstash-forwarder.conf { "network": { "servers": [ "localhost:5000" ], "timeout": 15, "ssl ca": "/etc/pki/tls/certs/logstash-forwarder.crt" }, "files": [ { "paths": [ "access_log" ], "fields": { "type": "access" } } ] } You can access above field “type” in Read More

Redirect request on php script through squid proxy

August 16, 2015 Article

We can redirect every request received in squid cartier jewelry replica to custom php script bracelet replica cartier and we can process those request before returning back to the client. This cartier love bracelet replica can be done using url_rewrite_program in squid config. Just add following line at the end of url squid.conf file. url_rewrite_program /etc/process.php Read More

Alerting for Elasticsearch : Log watcher in elasticsearch using ES Watcher

August 16, 2015 Article

Latest elasticsearch has new future of Alerting for elasticsearch using Watcher. This feature is very important and helpful to trigger alert on matching bracelet replica cartier search query. You need fake cartier bracelet to install plugin bin/plugin -i elasticsearch/license/latest bin/plugin -i elasticsearch/watcher/latest #Restart elasticsearch #Verify installation using curl -XGET 'http://localhost:9200/_watcher/stats?pretty' After installation we have to create Read More

Detect face from image using python script with OpenCV

August 16, 2015 Article

Using OpenCV and python script we could able detect face from image. Here is sample code for it, but some times there is false detection due to image not clear. Here are some factors can affects face detection … Face in the image not clear. High definition colored image. Very big sized. Image having design Read More

Change mysql root password on centos

April 30, 2015 Article

We can change mysql root password by using cartier love necklace following steps. Here cartier love bracelet is simple command for it. service mysqld cartier replica stop service mysqld startsos mysql -u root UPDATE mysql.user SET Password=PASSWORD(‘NEWPWD’) WHERE User=’root’; FLUSH PRIVILEGES; service mysqld restart

Search part of word in elasticsearch using nGram – auto-complete search

April 12, 2015 Article

If we have documents of city information, in elasticsearch we can implement auto-complete search cartier nail bracelet using nGram filter. Add index fake cartier bracelets mapping as following bracelets … curl -X PUT "http://localhost:9200/cities" -d '{ "mappings" : { "city" : { "properties" : { "name" : { "type" : "string", "search_analyzer" : "apps_search", "index_analyzer" Read More

Connect VPN on centos linux using command line

April 12, 2015 Article

We can setup script for connect cartier love bangle vpn from command line on centos linux. Following are couple of steps but before that, you need to install pptp and pptpsetup on linux. Run following command with your credentials … pptpsetup –create <vpn connection name> –server <vpn host> –username <login username> –password <login password> –encrypt Read More

Custom river plugin in elasticsearch

November 10, 2014 Article

Elasticsearch has capability to create custom plugins by inheriting its core classes and functionality. We can implement java code as per our requirement easily plug with elasticsearch. Following are the steps to do that … Create folder structure – Following is sample plugin file structure, its recommended by elasticsearch and its standard way of doing things. Read More

Backup elasticsearch with snapshot and restore api

November 4, 2014 Article

Even if elasticsearch is distributed, highly available but it has some limitation over multiple data center. So creating DR of elasticsearch is some what tricky. So in this case backup of whole elasticsearch cluster is very important. With latest version of elasticsearch, snapshot and restore api included. http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/modules-snapshots.html Here are following steps to backup your Read More

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