1. What is md5sum
MD5 full name is message digest algorithm. This algorithm calculates information of any length bit by bit, and generates a "fingerprint" (or "message digest") with a binary length of 128 bits (hex length is 32 bits). The possibility of different files generating t ...
Posted by damo87 on Sat, 15 Feb 2020 21:09:27 -0800
A 7-node k8s cluster and a master node's disk are abnormal, which often causes the etcd of the node to write to the card, and then drags down the etcd cluster. Therefore, it is considered to migrate the etcd of the node.
As shown in the figure above, the disk of the tstr501384 node is ...
Posted by turkman on Wed, 05 Feb 2020 00:30:35 -0800
We often use Portainer to manage the docker environment, Jenkins to build and deploy the docker automatically, and the Docker API is used for remote management. Usually we just open a 2375 (usually) port without security protection, which is dangerous and can lead to remote hijacking attacks.Then we need to configure the TLS certified 2376 (usu ...
Posted by krotkruton on Wed, 22 Jan 2020 08:29:43 -0800
Operating system version
1, Brief ...
Posted by jungalist on Wed, 22 Jan 2020 07:36:22 -0800
Background: Recently, I suddenly came into contact with OpenSSL. I suddenly thought that I had not written anything related to the deployment of Django + uWSGI + Nginx + https project, so I sorted out a piece of data.
1, OpenSSL installation
2, Generate certificate
3, Nginx configuration
4, Ac ...
Posted by frymaster on Sun, 19 Jan 2020 06:20:10 -0800
Difference between Docker and Virtual Machine
Isolation and Sharing
By adding Hypervisor layer, virtual hardware such as network card, memory, CPU and so on, virtual machines can be built on top of it. Each virtual machine has its own system core
Docker containers isolate file systems, processes, devices, networks and other re ...
Posted by OMorchoe on Tue, 14 Jan 2020 11:21:14 -0800
1. Introduction to Nginx2. Set up Nginx server3. Upgrade version of Nginx service to 1.24. Modify Nginx Service Header Information5. Detailed explanation of location Option in nginx main configuration file6. Configure https to access Nginx7. Open Nginx Access Certification
1. Introduction to Nginx
Nginx is developed for perform ...
Posted by katarra on Fri, 10 Jan 2020 09:35:14 -0800
Nginx upgrade supports stream module
Nginx is used as the reverse proxy of tcp. Currently, in versions 1.7 to 1.9, the [nginx ﹐ tcp ﹐ proxy ﹐ module] module needs to be loaded. After 1.9, the [with stream] module can be used.
Because LNMP is used for installation( https://lnmp.org/ ), the method of upgrading nginx directly ...
Posted by anthonyv on Fri, 03 Jan 2020 20:48:14 -0800
1, Installation preparation
1. Go to the nginx source package on the official website http://nginx.org/en/download.html ]
2. Loading dependence
yum -y install pcre pcre-devel
yum -y install openssl openssl-devel
yum -y install gcc-c++ autoconf automake
yum install -y zlib-devel
yum -y install libxml2 libxml2-dev
yum -y install libxslt-devel
Posted by egturnkey on Thu, 02 Jan 2020 05:30:49 -0800
1. When learning ngnix, there is no need to install it. In fact, the installation is very simple. A shell script can do it. Please refer to the following
Use the root user to execute the nginx-install.sh script, which is as follows:
set -o nounset
basedir=$(cd "$(dirname "$0")"; pwd)
# Set user name and password
Posted by bk6662 on Mon, 30 Dec 2019 12:26:23 -0800