Alicloud CentOs7 installation Gitlab is available for pro test

Install GitLab Installation steps of official website: https://about.gitlab.com/install/#centos-7 Configuration before installation, firewall and so on Mail configuration Landing gitlab Install Gitlab Open http and ssh access of firewall sudo yum install -y curl policycoreutils-python openssh-server sudo systemctl enable sshd sudo systemctl ...

Posted by TPerez on Mon, 11 Nov 2019 13:52:19 -0800

Ali Cloud Deployment 6. Configure https

Get ready Domain name on file ssl certificate (free) Request Certificate Login to Ali Cloud Console Production - > Products and Services - > SSL Certificates Click Purchase Certificate, Certificate Type Select Free DV SSL, Complete Purchase After purchasing, Symantec Free SSL appears, button click under operation item. Perfect data and ...

Posted by jber on Sun, 10 Nov 2019 18:21:24 -0800

MPI distributed programming -- 1.OpenMPI installation and basic use

1. OpenMPI installation (auto compile configuration) The first method is to install sudo apt get install using a third-party source. $ sudo apt-get install openmpi-bin Query version information. $ mpirun --version mpirun (Open MPI) 1.10.2 $ mpiexec --version mpiexec (OpenRTE) 1.10.2 2. OpenMPI installation (manua ...

Posted by phpwannabe25 on Sun, 10 Nov 2019 06:26:50 -0800

Evaluating SLAM trajectory with evo tool

evo github address: https://github.com/MichaelGrupp/evo Track files of different formats and mutual conversion: https://github.com/MichaelGrupp/evo/wiki/Formats Summary of questions: https://github.com/MichaelGrupp/evo/issues?q=is%3Aissue+is%3Aclosed 1. Install evo sudo apt install python-pip pip install evo --upgrade --no-bina ...

Posted by Belleanme on Sat, 09 Nov 2019 07:53:57 -0800

Front end technology frontier 9

image.png image.png image.png Node.js uses Module module to divide different functions to simplify application development. var myModule = require('./myModule.js'); Some methods and variables are exposed outside the module, which can be implemented using the exports object. install Installation of Node.js under L ...

Posted by bigtimslim on Tue, 05 Nov 2019 10:00:34 -0800

How to manage the network with Linux command line efficiently?

Preface In our daily work, the Linux server operating system that we often use, whether it is to view the information of network devices, manage network interfaces, download files, debug network problems or view network statistics, can be completed by commands under the terminal. ifconfig / ip a The command ifconfig is similar to ip a, which is ...

Posted by jazz_snob on Sun, 03 Nov 2019 01:49:02 -0700

GPU server NVIDIA driver deployment document

I. installation system Install by default. Note the partition: /boot 500M SWAP 64G / Other space   II. Installation desktop Note: if you are installing the desktop version, you do not need to install the desktop again After the system is installed, you need to install the desktop environment. kde desktop is used by default ...

Posted by xydra on Sat, 02 Nov 2019 13:36:43 -0700

shell script - switch soft link file (nagios monitoring)

Task: you need to define services in nagios to detect the state of three DC S (1. Host state, 2. Consumer cluster state, 3.nomad cluster state). As long as one of the service states fails, trigger nagios eventhandler to change the link file of dns server, as shown in the figure above. Script: server address in script is different from actual ...

Posted by OsvaldoM on Sat, 02 Nov 2019 04:26:20 -0700

Simulate nginx hot deployment

Hot deployment is to upgrade the software while the application is running without restarting the application. First, simulate an online environment where Nginx needs to be upgraded. Assuming that the old version is nginx-1.0.15, it needs to be upgraded to nginx-1.16.0. Configure older versions # Download nginx-1.0.15 wget http://nginx.org/down ...

Posted by fatmikey on Fri, 01 Nov 2019 14:26:35 -0700

Just 5 minutes! Quick tutorial of deploying lightweight Kubernetes cluster with k3s

K3s, which is only 40MB in size, provides a good choice for enterprises that want to save cost for development and testing. In a very simple way, this article will teach you to deploy a lightweight Kubernetes cluster in 5 minutes using k3s. This article comes from: Rancher Labs Kubernetes has changed how to deploy and manage containerized wor ...

Posted by djp120 on Thu, 31 Oct 2019 23:41:20 -0700