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CommandDescriptionExample&Run the previous command in the backgroundls &&&Logical ANDif [ “$X” -ge “0” ] && [ “$X” -le “9”]||Logical ORif [ “$X” -lt “0” ] || [ “$X” -gt “9” ]^Start of linegrep “^X”$End of linegrep “X$”=String equality (cf. -eq)if Continue reading3. Shell comparison operator & reference→

Does it free? MongoDB Enterprise is free of charge for an unlimited period of time for evaluation and development. By downloading it, you agree to the Subscription Agreement. Comparison between MongoDB Community and Enterprise Edition FeaturesMongoDB CommunityMongoDB EnterpriseLDAP AuthenticationNot AvailableAvailableLDAP AuthorizationNot Continue readingMongoDB Enterprise Edition→

Often we saw that after making individual machine better (Scale up) or distributed the data into shards (Scale Out) or making all read queries route to secondary replica set, yet the queries are not performing well and getting the bottleneck. Continue readingMongoDB query optimization→

As we probably all know, shell script is badly required, when you thought to automate something in your operating system. We are here using Born shell(sh) and bash in linux ubuntu. cat /etc/shells #it will give us following shells /bin/sh Continue reading1. Shell script comment variable and wildcard→

I have faced many projects which are facing performance issue with MongoDB and I do call for tuning up the performance. What I do apparently in a quick succession, that I listed below the steps. Hardware Resource Firstly, quantify already Continue readingMongoDB performance tuning→