Using shell script one click deployment service under RHEL7(Centos7)

course Using shell script one click deployment service under RHEL7(Centos7)Using shell script to deploy service one click under RHEL7(Centos7) (2)Using shell script to deploy service one click under RHEL7(Centos7) (3) Update content: one click deployment of PXE+kickstart unattended installation servic ...

Posted by sandrob57 on Sun, 26 Jan 2020 07:11:04 -0800

The RNN practice of Python

RNN principle Cyclic neural network: processing sequence model, weight sharing. h[t] = fw(h[t-1], x[t]) #fw is some function with parameters W h[t] = tanh(W[h,h]*h[t-1] + W[x,h]*x[t]) #to be specific y[t] = W[h,y]*h[t] Sequence to Sequence model Schematic diagram of language model RNN ...

Posted by Panjabel on Sun, 26 Jan 2020 02:30:39 -0800

Squid Proxy Server - Traditional Proxy, Transparent Proxy (Practice!)

Overview of Cache Agents How web proxies work: Cache Web page objects to reduce duplicate requests Basic types of agents Traditional Proxy: For Internet use, specify the server explicitly Transparent proxy: Clients do not need to specify the proxy server's address and port. The firewall redirects ...

Posted by quimkaos on Wed, 22 Jan 2020 23:44:27 -0800

Configuration file description for RabbitMQ

In rabbitmq, the default configuration implementation is generally provided. Before rabbitmq 3.7.0, only rabbitmq.conf configuration instructions are provided. It uses the KeyValue method for configuration, and then it can be configured through erlang voice. However, we still like the KeyValue method ...

Posted by prozad on Tue, 21 Jan 2020 08:35:40 -0800

Processing of reject in project.all

Yesterday, I wrote a small crawler. When using axios.all to request multiple pages at the same time, it's easy for the reasons of the domestic network to time out and reject. It's not advisable for Buddhist resolve. Then I thought that I could realize a function of "resending failed requests". Promise.all(requestPromises).then(...).ca ...

Posted by jbalanski on Tue, 21 Jan 2020 08:04:37 -0800

One Python standard library per week

Technology blog: https://github.com/yongxinz/tech-blog At the same time, welcome to pay attention to my WeChat public number AlwaysBeta, more wonderful content waiting for you to come. In fact, in Python, multithreading is not recommended. Unless you explicitly do not support the scenario of using multi ...

Posted by Franko126 on Tue, 21 Jan 2020 03:20:23 -0800

Wallet development experience sharing: omniUSDT

omni USDT To understand the tokens of the omni protocol in depth, you must first understand the history of the omni protocol. Please refer to Understanding the omni protocol -- USDT . BTC itself is a cash system and does not support smart contracts. In order for BTC to support smart contracts, omni public chain is developed on top of BTC, so o ...

Posted by Vorotaev on Tue, 21 Jan 2020 01:48:18 -0800

Keepalived hot standby, Keepalived+LVS, HAProxy server

Any software you just need to remember what it does and how it works. You don't need to memorize commands, but you still need to know the basics Keepalived overview How to solve the single point failure of scheduler? Keepalived is implemented as a highly available cluster Keepalived was originally d ...

Posted by ben2005 on Tue, 21 Jan 2020 00:50:09 -0800

UDP broadcast search LAN device information

Article directory What is UDP? UDP core API Introduction of datagram socket construction method Common methods of datagram socket The construction method of datagram packet Common methods of datagram packet Unicast, broadcast, multicast Case introduction test What is UDP? It is a user datagram ...

Posted by teebo on Sun, 19 Jan 2020 23:26:42 -0800

New Vue project based on @vue/cli 3.0

Write before: The package name of the Vue command line tool has changed from vue-cli to @vue/cli, @vue/cli is version 3.x of vue, and the maximum version of vue-cli is currently only @2.9.6.If you have previously installed vue-cli globally on your computer, you need to uninstall it first by executing NPM uninstall vue-cli ...

Posted by ravnen on Sun, 19 Jan 2020 08:21:54 -0800