mongodb 3 4 centos 7

IOS development-Stage 3-Weibo (7) (Program 4) and ios Stage 3 Encapsulate the information displayed on the Cell into two model classes: The difference between the plus sign and the minus sign is very simple. In short, the difference is:The plus sign can directly call this method through the class name, while the

Tags: redis centos BSP Memory limits Mon commit SOF configuration fileMongoDB (Warning:soft rlimits too low) To modify the configuration file/etc/security/limits.conf, add the configuration information: [Email protected] ~]# vi/etc/security/limits.conf Mongod soft nofile 64000 mongod hard nofile 64000 mongod soft nproc 32000 mongod hard Nproc 32000 MongoDB Redis Disable Large memory pages Vi/etc

27017Uninstalling MongoDBThe process will completely remove MongoDB, its configuration, and all databases.1. Stop the Servicesudo service Mongod stop2. Remove the Packagesudo yum erase $ (rpm-qa | grep mongodb-org)3. Removing data and log filessudo rm-r/var/log/mongodb sudo rm-r/var/lib/mongoReference:https://docs.mon

First, the source installation1. Download the source code (see the latest version of the website link)wget http://nodejs.org/dist/v0.10.30/node-v0.10.30.tar.gz2. Extracting source codeTar xzvf node-v* CD node-v*3. Install the necessary compilation softwaresudo yum install gcc gcc-c++4. Compiling./configuremake5. Compile Installsudo make install6. View version (test installation succeeded)Node--versionSeco

Configserver, the MONGOs service rejects the connection. 2, respectively login Configserver write related configuration: [root@localhost ~] #mongo 192.168.1.122:21000 mongo>use admin mongo>cfg = { _id: ' CS ', Configsvr:true, members:[ {_id:0,host: ' 10.45.32.118:21000 '} ] }; Mongo>rs.initiate (CFG); ============= I am split line ===================// [root@localhost ~] #mongo 192.168.1.122:21001 mongo>use Admin mongo>cfg = { _id: ' CS ', configsvr:true, members:[ {_id:0,

do with the open port in firewall iptables.(iii) using Ubuntu to connect to the FTP service on CentOS 7:Connection Successful!4. Uploading and downloading files using FTP(i) Enter the LS command on the connected FTP command line:Displays the pub folder under the current directory, which indicates that the directory where the current anonymous user is logged on b

Init is one of the most indispensable programs in Linux system operation. Init process, which is a user-level process initiated by the kernel. The kernel will find it in several places in the past that used Init, and its correct location (for Linux systems) is/sbin/init. If the kernel cannot find Init, it will try to run/bin/sh, and if it fails, the boot of the system will fail.Linux 7 RunLevel (0: shutdown, shutdown mode,1: single-user mode,2: Multi-

Install Java JDK 8 in CentOS 7/6. 5/6. 4 This tutorial describes how to install and configure the latest Oracle JavaJDK on servers CentOS7, 6.5, and 6.4. Although these steps should also apply to other RPM-based releases, such as RHEL7, 6.x, Scientific Linux6.x, and Fedora. First, run the update on your server. yum update Then, search for any installed JDK compo

:4Directoryforindexes:trueCollectionconfig:Blockcompressor:noneIndexconfig:Prefixcompression:trueProcessmanagement:Fork:truePidfilepath:/usr/local/mongodb/data/mongodb/mongod.pidNetport:27017bindip:192.168.1.2133, clear large pages in/etc/rc.d/rc.local add the following:If Test-f/sys/kernel/mm/transparent_hugepage/enabled; Thenecho Never >/sys/kernel/mm/transparent_hugepage/enabledFiIf Test-f/sys/kernel/mm/

There are many formulas for calculating pi pai in history, in which Gregory and Leibniz found the following formula: Pai = 4* (1-1/3+1/5-1/7 ...) The formula is simple and graceful, but in a bad way, it converges too slowly. If we rounded to keep its two decimal digits, then: Cumulative 1 items and are: 4.00 Cumulative 2 items and are: 2.67 Cumulative

30 things to be done after minimal RHEL/CentOS 7 installation (4) 30 things to be done after minimal RHEL/CentOS 7 installation (4)17. Install Webmin Webmin is a Web-based Linux Configuration tool. Like a central system, it is use

CentOS 7 has a built-in Python version of 2.x, and many programs rely on the 2.x version, which will invalidate some of the Python scripts.For example: Yum, Firewall-cmd, Firewall-config, and so on.If you encounter a similar reference error, this is basically the cause: [Email protected] bin]# Firewall-configTraceback (most recent):File "/usr/bin/firewall-config", line, in Import GIModulenotfounderror

When the Linux host being configured needs to be used as a router, the computer on the subnet can access the extranet after the following steps are configured:1. Edit the/etc/sysctl.conf file and add the Net.ipv4_ip_forward = 1 statement, which allows the server to use the Linux kernel forwarding function, configure the DHCP service, and use the firewall's address to disguise the NAT function; Net.ipv6.conf.all.disable_ipv6=1 and net.ipv6.conf.default.disable_ipv6=1 Two statements disable the se

30 things to be done after minimal RHEL/CentOS 7 installation (3)30 things to be done after minimal RHEL/CentOS 7 installation (3) 12. install Apache Tomcat Tomcat is a servlet container designed by Apache to run Java HTTP web ser

? 2. Find ways for winners and find excuses for losers 3. Select your favorite from row 3. Everyone can start a business, but not everyone can start a business successfully. 4. Find your own gold treasure (2) eternal truth: the mentality determines fate. The mentality before the age of 35 determines the fate of your life. 1. People who are not satisf

There are 3 ^ 8 possibilities. Answer: Success: 12 + 34 + 56 + 7-8 + 9 = 110 Success: 12 + 3 + 45 + 67-8-9 = 110 Success: 12-3 + 4-5 + 6 + 7 + 89 = 110 Success: 1 + 2 + 34 + 5 + 67-8 + 9 = 110 Success: 1-2 +

excuses 3. Choose your favorite from the 360 lines. Everyone can start a business, but not everyone can start a successful business 4, find their own golden treasure (ii) Eternal truth: Mentality determines destiny, 35 years old mentality determines your life destiny 1, dissatisfied with the status of the people can become rich 2, dare to dream, the courage to dream, the world will always belong to the pu