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在Ubuntu上安装了MongoDb，表示未安装(Installed MongoDb on Ubuntu, says its not installed)

 在Ubuntu上按照网站上的分步说明安装MongoDb http://docs.mongodb.org/manual/tutorial/install-mongodb-on-linux/当我尝试运行mongo时收到以下错误。 “程序'mongo'目前尚未安装。”  
 但它在目录中。  
test@MongoDb1:~$ mkdir -p mongodb
test@MongoDb1:~$ ls

mongodb      mongodb-linux-x86_64-2.5.4.tgz

test@MongoDb1:~$ cp -R -n mongodb-linux-x86_64-2.5.4/ mongodb
test@MongoDb1:~$ cd mongodb
test@MongoDb1:~/mongodb$ ls

mongodb-linux-x86_64-2.5.4

test@MongoDb1:~/mongodb$ cd mongodb-linux-x86_64-2.5.4/
test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4$ ls

bin  GNU-AGPL-3.0  README  THIRD-PARTY-NOTICES

test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4$ cd bin/
test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4/bin$ ls

bsondump  mongodump    mongoimport  mongorestore  mongotop
mongo     mongoexport  mongooplog   mongos
mongod    mongofiles   mongoperf    mongostat

test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4/bin$ mongo

The program 'mongo' is currently not installed. You can install it by typing:
sudo apt-get install mongodb-clients

test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4/bin$

Installed MongoDb on Ubuntu following the step by step instructions on the site http://docs.mongodb.org/manual/tutorial/install-mongodb-on-linux/ I receive the following error when I try and run mongo. "The program 'mongo' is currently not installed." 
Yet it is in the directory. 
test@MongoDb1:~$ mkdir -p mongodb
test@MongoDb1:~$ ls

mongodb      mongodb-linux-x86_64-2.5.4.tgz

test@MongoDb1:~$ cp -R -n mongodb-linux-x86_64-2.5.4/ mongodb
test@MongoDb1:~$ cd mongodb
test@MongoDb1:~/mongodb$ ls

mongodb-linux-x86_64-2.5.4

test@MongoDb1:~/mongodb$ cd mongodb-linux-x86_64-2.5.4/
test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4$ ls

bin  GNU-AGPL-3.0  README  THIRD-PARTY-NOTICES

test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4$ cd bin/
test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4/bin$ ls

bsondump  mongodump    mongoimport  mongorestore  mongotop
mongo     mongoexport  mongooplog   mongos
mongod    mongofiles   mongoperf    mongostat

test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4/bin$ mongo

The program 'mongo' is currently not installed. You can install it by typing:
sudo apt-get install mongodb-clients

test@MongoDb1:~/mongodb/mongodb-linux-x86_64-2.5.4/bin$

原文：https://stackoverflow.com/questions/20503366

更新时间：2022-10-19 13:10

最满意答案

 由于您无法单独推送产品，因此您需要构建包含所有产品的对象。  
 
  第一步是检索已经在dataLayer中的对象（即使是空的）  
  得到产品对象  
  把新物品推进去  
  将整个对象推送到dataLayer  
 
 如果您遇到任何此类问题，请告诉我。  
 尝试首先使用以下方法定义dataLayer varible：  
 var dataLayer = window.dataLayer || [];  
 它将采用现有的dataLayer变量并添加使用它，如果没有，它将为它创建数组。  
 另外，我可以看到你使用的是小写“datalayer”。 它应该是“dataLayer”。  
 我希望这将有所帮助。 

I turns out google tag manager rewired dataLayer.push() method to fire events and guard the dataLayer's size. A side effect is that it does not operate as expected. The way to overcome this issue was to push all the scraped product data into a javascript variable and once it was ready, to push that variable into the dataLayer as follows: 
function scrape2DL() {    
    dataLayer.push({'ecommerce.checkout.actionField': {step: 2}}); //action object

    var base = 0; 
    var products=[];
    while (base < $('div.field_cart').length/4) {
       products.push([{id: $('div.field_cart')[4 * base + 0].innerText, price: $('div.field_cart')[4 * base + 1].innerText.match(/[0-9]+/), quantity: $('div.field_cart')[4 * base + 2].innerText}]);
       base += 1;
    }//while 
    dataLayer.push({'ecommerce.checkout.products': products}); // add a product 
 }
 scrape2DL();
 dataLayer.push({event: 'checkout'});      // for GTM triggers
 
However it turns out that it is possible to fetch the products from the datalayer into a javascript variable using the datalayer get method and subsequently append more products into it. However I ultimately avoided this aproach as it skips the event and size guard check wired into dataLayer.push(). 
The folowing resources were of some help: 
 
 SO question titled Console returns value but Google Tag Manager variable does not 
 Google Tag Manager For Nerds by Simo Ahava.

在Ubuntu上安装了MongoDb，表示未安装(Installed MongoDb on Ubuntu, says its not installed)

最满意答案

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