1 00:00:01,180 --> 00:00:02,490 Welcome back. 2 00:00:02,490 --> 00:00:07,300 In this lecture, we will install MongoDB on macOS. 3 00:00:07,300 --> 00:00:09,370 Now, if you're a Windows user, 4 00:00:09,370 --> 00:00:12,200 then please mark this video as completed, 5 00:00:12,200 --> 00:00:14,170 and move on right to the next one 6 00:00:14,170 --> 00:00:15,880 because the installation process 7 00:00:15,880 --> 00:00:18,380 is actually quite different on Windows 8 00:00:18,380 --> 00:00:19,523 than it is on Mac. 9 00:00:20,520 --> 00:00:22,350 So fire up your browser, 10 00:00:22,350 --> 00:00:25,070 and open MongoDB.com. 11 00:00:25,070 --> 00:00:25,903 Okay? 12 00:00:25,903 --> 00:00:27,600 Then, move to products. 13 00:00:27,600 --> 00:00:30,760 And then over here, the MongoDB server. 14 00:00:30,760 --> 00:00:32,640 So, open that one up. 15 00:00:32,640 --> 00:00:36,290 And so that takes us to the MongoDB download center. 16 00:00:36,290 --> 00:00:39,900 So the one that we want is the MongoDB community server, 17 00:00:39,900 --> 00:00:42,260 and then of course, the current release. 18 00:00:42,260 --> 00:00:46,040 So not the more experimental four point one. 19 00:00:46,040 --> 00:00:47,840 Then, your OS should automatically 20 00:00:47,840 --> 00:00:49,550 be selected as macOS. 21 00:00:49,550 --> 00:00:51,033 And then the package. 22 00:00:52,290 --> 00:00:53,960 This is the only option anyway. 23 00:00:53,960 --> 00:00:55,750 And so, hit download. 24 00:00:55,750 --> 00:00:58,440 And then wait for it to complete. 25 00:00:58,440 --> 00:01:00,090 Now while this is downloading, 26 00:01:00,090 --> 00:01:04,230 notice how the website here talks about MongoDB Atlas 27 00:01:04,230 --> 00:01:07,530 which is Mongo's database as a service. 28 00:01:07,530 --> 00:01:11,820 So basically, it's running MongoDB in the Cloud on Atlas 29 00:01:11,820 --> 00:01:13,580 instead of running it locally. 30 00:01:13,580 --> 00:01:15,130 And actually, later in this section, 31 00:01:15,130 --> 00:01:17,390 that is exactly what we're gonna do. 32 00:01:17,390 --> 00:01:20,140 So we will create an Atlas account, 33 00:01:20,140 --> 00:01:22,810 and run our database in the Cloud. 34 00:01:22,810 --> 00:01:23,690 Okay? 35 00:01:23,690 --> 00:01:26,530 So in this video, we're downloading and installing 36 00:01:26,530 --> 00:01:29,070 the local version of MongoDB, 37 00:01:29,070 --> 00:01:33,310 which we will use to get familiar with the database system. 38 00:01:33,310 --> 00:01:34,780 But then, by the end of the section, 39 00:01:34,780 --> 00:01:38,000 we will actually transition to the hosted version, 40 00:01:38,000 --> 00:01:40,190 and that's the one we will then use 41 00:01:40,190 --> 00:01:43,870 in our real application until the end of the course. 42 00:01:43,870 --> 00:01:44,703 All right. 43 00:01:44,703 --> 00:01:46,400 And with the file now downloaded, 44 00:01:46,400 --> 00:01:48,800 let's go ahead and extract it, 45 00:01:48,800 --> 00:01:51,220 and take a look at the content. 46 00:01:51,220 --> 00:01:52,990 And what we need here is basically 47 00:01:52,990 --> 00:01:55,180 these executable files here. 48 00:01:55,180 --> 00:01:56,730 And what we need to do with them 49 00:01:56,730 --> 00:02:00,170 is to copy them into a special binary folder 50 00:02:00,170 --> 00:02:02,260 that we have on our system. 51 00:02:02,260 --> 00:02:03,093 Okay? 52 00:02:03,093 --> 00:02:07,040 So let's move into our terminal and do a copy command, 53 00:02:07,040 --> 00:02:08,930 and we're gonna need some permissions forwarded, 54 00:02:08,930 --> 00:02:11,050 so I'm starting with sudo here. 55 00:02:11,050 --> 00:02:12,890 Then cp for copy. 56 00:02:12,890 --> 00:02:15,310 And now, I'm gonna go add and drag 57 00:02:15,310 --> 00:02:17,960 all of these files in here so that 58 00:02:17,960 --> 00:02:20,803 I don't have to write the path to them out. 59 00:02:22,160 --> 00:02:23,060 Okay. 60 00:02:23,060 --> 00:02:25,990 So that's all of the files that we're gonna copy. 61 00:02:25,990 --> 00:02:28,420 And we will copy them into a folder 62 00:02:28,420 --> 00:02:33,420 called slash usr local slash bin. 63 00:02:34,790 --> 00:02:36,860 Hit return on that, and just to make sure 64 00:02:36,860 --> 00:02:40,060 they're actually there, let's actually go there. 65 00:02:40,060 --> 00:02:43,203 Usr local slash bin. 66 00:02:44,750 --> 00:02:46,410 Take a look at the files there. 67 00:02:46,410 --> 00:02:49,190 And indeed, here they are. 68 00:02:49,190 --> 00:02:52,830 So basically these red files are the ones 69 00:02:52,830 --> 00:02:54,040 that we just copied there. 70 00:02:54,040 --> 00:02:56,060 So these aren't executable. 71 00:02:56,060 --> 00:02:57,260 Now since we're in this folder, 72 00:02:57,260 --> 00:03:00,120 you might actually see some other interesting stuff here. 73 00:03:00,120 --> 00:03:02,950 For example, there's nodemon command here. 74 00:03:02,950 --> 00:03:04,990 That is the global nodemon package 75 00:03:04,990 --> 00:03:07,340 that we actually installed before. 76 00:03:07,340 --> 00:03:09,860 I mean, it's not really the package itself, 77 00:03:09,860 --> 00:03:12,890 but it is this what allows us to run 78 00:03:12,890 --> 00:03:14,793 the nodemon command globally. 79 00:03:15,670 --> 00:03:17,600 Next up, we're gonna create a folder 80 00:03:17,600 --> 00:03:20,610 where the database can then actually store the data. 81 00:03:20,610 --> 00:03:23,060 And again, we're gonna need permissions for that. 82 00:03:23,910 --> 00:03:27,610 So mkdir to make the new directory, 83 00:03:27,610 --> 00:03:32,470 and then slash data slash db. 84 00:03:32,470 --> 00:03:33,440 Hit return. 85 00:03:33,440 --> 00:03:36,940 And in my case, this folder actually already exists. 86 00:03:36,940 --> 00:03:39,240 And so, I'm not able to create a new one. 87 00:03:39,240 --> 00:03:43,480 But in your case, I'm sure this worked just fine. 88 00:03:43,480 --> 00:03:45,520 Next up, we need to give some permissions 89 00:03:45,520 --> 00:03:47,660 in order for the database to be able 90 00:03:47,660 --> 00:03:49,820 to write in this folder. 91 00:03:49,820 --> 00:03:52,343 And so for that, again, we use sudo. 92 00:03:54,340 --> 00:03:58,463 Then this weird command here, chown, or whatever. 93 00:03:59,360 --> 00:04:01,600 And R for recursive. 94 00:04:01,600 --> 00:04:06,600 Then id minus un and slash data slash db. 95 00:04:09,881 --> 00:04:10,870 All right. 96 00:04:10,870 --> 00:04:13,460 So this looks a bit like black magic here, 97 00:04:13,460 --> 00:04:15,500 but again, just follow this recipe 98 00:04:15,500 --> 00:04:17,900 in order to just make this work. 99 00:04:17,900 --> 00:04:20,660 Anyway, we should now be good to go. 100 00:04:20,660 --> 00:04:23,480 And call mongod. 101 00:04:23,480 --> 00:04:24,763 So let's try that out. 102 00:04:26,410 --> 00:04:29,060 So let's make this window a bit bigger. 103 00:04:29,060 --> 00:04:32,900 And so indeed, we now have the Mongo process running here. 104 00:04:32,900 --> 00:04:33,740 Okay. 105 00:04:33,740 --> 00:04:35,430 So it starts up here. 106 00:04:35,430 --> 00:04:38,950 And then gives us all the stuff that we don't really need. 107 00:04:38,950 --> 00:04:41,720 And by the end, it tells us that it's waiting 108 00:04:41,720 --> 00:04:44,653 for connections on port 27017. 109 00:04:45,644 --> 00:04:46,477 Okay? 110 00:04:46,477 --> 00:04:50,030 So this here is basically like a Mongo server. 111 00:04:50,030 --> 00:04:50,863 Okay? 112 00:04:50,863 --> 00:04:54,630 So this means that MongoDB is now running in the background. 113 00:04:54,630 --> 00:04:57,420 But we need to now actually connect to it 114 00:04:57,420 --> 00:04:59,960 in order to create new databases, 115 00:04:59,960 --> 00:05:02,880 and create new collections and all that good stuff. 116 00:05:02,880 --> 00:05:03,713 Okay? 117 00:05:03,713 --> 00:05:05,120 So in this terminal window, 118 00:05:05,120 --> 00:05:07,730 we will leave this process running. 119 00:05:07,730 --> 00:05:10,240 So basically this MongoDB server. 120 00:05:10,240 --> 00:05:11,980 And we then open another tab, 121 00:05:11,980 --> 00:05:14,060 or you could open another window. 122 00:05:14,060 --> 00:05:17,710 But I just use command t to open another tab. 123 00:05:17,710 --> 00:05:20,340 And now, we run the Mongo shell 124 00:05:20,340 --> 00:05:22,630 simply by writing Mongo. 125 00:05:22,630 --> 00:05:23,463 All right. 126 00:05:23,463 --> 00:05:26,400 And we are now connected to our MongoDB server 127 00:05:26,400 --> 00:05:30,000 that is running on local host on the default port 128 00:05:30,000 --> 00:05:31,650 that I just mentioned before. 129 00:05:31,650 --> 00:05:33,240 So this one. 130 00:05:33,240 --> 00:05:34,073 Okay. 131 00:05:34,073 --> 00:05:35,380 So we are now connected to that, 132 00:05:35,380 --> 00:05:38,130 and so let's now write db here, 133 00:05:38,130 --> 00:05:40,670 which should return the task database. 134 00:05:40,670 --> 00:05:42,250 And it did. 135 00:05:42,250 --> 00:05:43,083 So. 136 00:05:43,083 --> 00:05:45,730 We have a test database already on our computer. 137 00:05:45,730 --> 00:05:48,300 And so this means that it works. 138 00:05:48,300 --> 00:05:49,830 So, great. 139 00:05:49,830 --> 00:05:52,310 Now we could have used this Mongo shell here 140 00:05:52,310 --> 00:05:55,220 to also connect to a remote database. 141 00:05:55,220 --> 00:05:56,880 So, remember how in the beginning, 142 00:05:56,880 --> 00:05:59,840 I talked about the MongoDB Atlas 143 00:05:59,840 --> 00:06:02,600 which is basically a database running in the Cloud. 144 00:06:02,600 --> 00:06:04,430 So a remote database. 145 00:06:04,430 --> 00:06:07,630 And so here, we could use this MongoDB shell 146 00:06:07,630 --> 00:06:09,540 to also connect to that one. 147 00:06:09,540 --> 00:06:12,750 But if we simply run the mongo command like we did here, 148 00:06:12,750 --> 00:06:14,490 it will just automatically connect 149 00:06:14,490 --> 00:06:16,820 to the local MongoDB database 150 00:06:16,820 --> 00:06:18,970 that is running on local host. 151 00:06:18,970 --> 00:06:19,803 Okay. 152 00:06:19,803 --> 00:06:21,280 So that's it for this video. 153 00:06:21,280 --> 00:06:23,740 In the next one, we will then create 154 00:06:23,740 --> 00:06:26,130 our first new database, and start 155 00:06:26,130 --> 00:06:28,983 to interact a little bit more with this Mongo shell.