Robo 3T Download and usePreviously called Robomongo, the back was acquired, renamed Robo 3T.Download Link: https://robomongo.org/download (requires FQ)Installation steps omitted, next step ...Graphical interface, connect by default, take a name on the line.Successful connection, can be used happily, not always knock command, concise and convenient, a variety of d
The traditional MBR partition table can only support 2T of addressing space, so if you use MBR as partition table, then 3T hard disk can only use 2T of space[Email protected] ~]# df-hFile system capacity has been used with available% mount points/dev/mapper/centos-root 50G 5.1G 45G 11%/Devtmpfs 16G 0 16G 0%/devTmpfs 16G 0 16G 0%/dev/shmTmpfs 16G 9.1M 16G 1%/runTmpfs 16G 0 16G 0%/sys/fs/cgroup/DEV/SDC1 2.0T 33M 2.0T 1%/mnt/data2 ******/DEV/SDB1 2.0T 33
rpmdy2c1d0arxhkj30oyefa65mbpwljzcckobxrfaxmxbkyuphlhtzvau5fv42psq0y=====================================================Go onAfter installing the system, the 3T hard disk display is not complete,650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6E/47/wKioL1V4HDDiGoupAACWzXKbV-k965.jpg "title=" 3.jpg " alt= "Wkiol1v4hddigoupaacwzxkbv-k965.jpg"/>Using "partition,partition-tool,partitionmagic10.1 and 64-bit versions is not a solution,650) this.
Logpath=c:\program Files\mongodb\server\3.6\log\mongo.log Once added, you will need to set up the corresponding files in these two corresponding locations. Then save, start executing inside CMD: Mongo.exe--config C:\Program Files\mongodb\server\3.6\bin\mongo.config In general, there will be no exception to the implementation, MongoDB even if the installation is successful 4, good, before the installation of MongoDB in the time why not choose its own visual tools, it is because too slow, Next we
temporarily, if you do not need to replace the home partition, this step can be omitted sudo mkdir/new_home Mount the hard drive under this folder. 8. Synchronize the/home folder to this hard disk, and if you do not need to replace it, this step can omit If you have more files, it can take a long time. Plus the--exclude option prevents prompting for GVFS permissions issues. Note: The real command is sudo rsync–axs–-exclude= '/*/.gvfs '/home/. /new_home/. After syncing, you can see that the
Tag: The MongoDB button will be installed simple Bubuko operation study CPUBecause the company's project has mongodbcpu 100% problem, so recently in the beginning of the investigation, but also began to contact MongoDB this cache-type database more deeply.Simply do not say, the first few are installed and simple to use, because the need to start to add the index, so began to study the Robo, the software,found that, as with some visual MySQL software,
:
The former is EXE and the latter is zip.
The former is generally for fixed computer use, the latter is generally hoped to be able to constantly change the computer is also easy to install.
The former file volume is generally smaller than the latter, because the latter is a lot more DLL files. And in the download can be found that the latter compressed files are larger than the former.
The former after installation, you can find that the latter is the same (well, exactly t
that's why Robomongo can't connect.>db.auth ("admin", "admin")Error:authentication failed.0The workaround is to manually add the admin account, after the creation succeeds, again Db.auth ("admin", "admin"), return 1>db.createuser ({User:"Admin", pwd:"Admin", roles: [{role:"Useradminanydatabase"Db:"Admin"}]}) successfully added User: { "user": "admin", "Roles" : [ { "Role": "Useradminanydatabase", "db": "Admin" } ] } >db.auth ("admin","admin")1Observe the status in the command lin
Tags: font cert download col mongod app Func manager OrmNoSQL Manager for MongoDB GUI tool
Our MongoDB GUI tool unites friendly UI and Shell power.Intuitive interface and high performance of the desktop application in combination with support of all the MongoDB and Mon Godb Enterprise latest features allow to save time for beginners and professional database developers and administrators.
Key Features:
Full-support-MongoDB and MongoDB Enterprise versio
BeautifulSoup to parse data,
Soup = beautifulsoup (html, ' lxml ')For item in Soup.select ('. Info-panel '):
Load data
Houseurl = Item.find ("H2"). a["href"]title = Item.find ("H2"). a["title"]
。。。。
The data is then captured and stored in the database.
First generate a list of each item:
Yield {' _id ': ID,' Houseurl ': Houseurl,' Housedescription ': title,' Xiaoqu ': Xiaoqu,' huxing ': huxing,' Mianji ': Mianji,' Area ': area,' Sub_area ': Sub_area,' Traffic ': Subway,' Price ': Price,' Data '
Tags: 3.4 god source file Log file Tail pre Pat MONGO toolFirst, the preparatory work Source file Mongodb-win32-x86_64-2008plus-ssl-3.4.10-signed.msi installation directory D:\mongodb 1. Create several folders as follows: Database path (data directory), log path (logs directory), and log file (Mongo.log file) 2. Create the configuration file mongo.conf, the file contents are as follows: #数据库路径
dbpath=d:\mongodb\data
#日志输出文件路径
logpath=d:\mongodb\logs\mongo.log
#错误日志采用追加模式
Logappend=
successfully.UseInstall the above server side, if you are selected by default configuration will install the official MongoDB Connection client, but personally feel not very good, today to you all recommend a oneself feel very need to use the connection tool: Robo 3T (previously called Robomongo): Https://robomongo.org/downloadThe connection interface is as follows:Click Create to fill in the native ip:127
STEP9: Inserting data into the primary server
use test1for(i=0;i3. Backup
Grammar
5.Mongodb interacting with Python
Before we learned the crawler, we now store the crawled data in MongoDB.
Turn on MONGO, run code
With the Robo 3T visualizer we can see that 137 data has been fetched and stored in MongoDB6. Complete the Command line project: Student In
}) query data list, all age distribution Db.student.distinct ("ages", {})
Page out
# n data Query m data db.hero.find (). Pretty (). Limit (m). Skip (N)5.Mongodb interacting with PythonBefore we learned the crawler, we now store the crawled data in MongoDB.#Crawl Hero League hero info details and store#-*-coding:utf-8-*-ImportPymongoImportRequests fromBs4ImportBeautifulSoup#connections built on MongoclientClient = Pymongo. Mongoclient ('localhost', 27017)#Get the databaseHero = cli
Visible Service started successfully! Of course it is also possible to uninstall the service: Mongod.exe--remove--servicename "MongoDB" Starting parameters We can write more specific: The following shows a description of the startup parameters for MongoDB: Therefore, we can customize the start of the service: Mongod.exe--logpath "E:\Program files\mongodb\logs\mongo.log"--logappend--dbpath "E:\Program files\mongodb\data"-- Port 27017--servicename "MongoDB"--servicedisplayname "Mongo
interface is ambiguous in the business scenario, the data is growing. For example, the following scenarios, content management platform (such as BBS forum post scene), user social platform (such as posts in the bar and user comments), priority to use MANGDB.Because MongoDB is a non-structured document database, extending the fields is easy and does not affect the original data.At the end of the day, the database as a container for storing data should take a little more time to consider in the a
Linux configuration MongoDB "width=" "height=" "class=" Alignnone size-full wp-image-78239 "title=" on Linux configuration MongoDB on Configure MongoDB "style=" vertical-align:middle;height:auto;margin:10px Auto on Linux, "/>8. Whether the local test was successfulI use the visualizer Robo 3t, new link, address input server addresses, port filled in your mongo.conf configuration, the basic is 27027.650) th
target. Therefore, the condition for solving this question should be 2n ≤ 3 T. Given that the left side is an even number and the right side is an odd number, the condition is 2n ≤ 3t-1.
Is that simple? Oh, no. We have not considered that the above conclusion is not true. The following process is a bit complicated. Please be clear. For N = (3t-1)/2 balls, the number of left disks and right disks on the bal
Start MONGO mirroringDocker run--name mongo-container-d-p MONGOConnect to inside the containerDocker exec-it EB shInput: MONGOInput: Show DBSInput: Db.stats ()Download MONGO client: Https://robomongo.org/downloadPress CTRL + C and exit to exit the container, enter: Docker PSHere the auto-mapped port is 32768, open Robo 3T, enter the address, click TestYou can see the library on the left.Create a new Spring-
Summarize some of the software used in the daily Ubuntu, it turns out that using Linux really makes people's desires smaller there is a good thing to do, do not tune three pick fourDecompression ClassUnzip | Unzip-o CP936 FilesUnrarrarBrowserGoogleRequired Plugins:FirefoxProgramming ClassesJavaJDK + Eclipse | All official websitePlugins that need to be installed in eclipsePythonPycharm | official websitePython modules that need to be installed daily (enter >>> Help ("modules") in the interactive
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