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Installation of MongoDB is not my goal, while installation mongodb on ubuntu we need to remember that, It should be easily upgraded to its latest version. In this article, 1. How do you easily install mongodb in your ubuntu and Continue readingMongoDB installation and upgradation in Ubuntu→

MongoDB has RBAC (Role Based Access Control) enabled that we all know. Different teams having integration with their separate collection, we might have to create collection specific access control by defining userDefine Role. How to create user define role and Continue readingMongoDB Collection-Level Access Control→

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→

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→