Remember the experience of deleting / boot directory once and repairing it manually

2018 / 09 / 19 server room The story is as follows: one of the disgusting things that my colleagues found was that the original person in charge gave 500M space to the / boot partition of the server. I would think it's not small. However, after many kernel upgrades since 16 years, GG has not been uninstalled.As a result, a lot of compilation an ...

Posted by zoreli on Fri, 06 Dec 2019 13:53:22 -0800

Bosh install Concourse continuous deployment tool

How to use Bosh to deploy applications Updated: April 23, 2018 Install bosh environment Download Bosh binary installer click download Install virtulbox wget https://download.virtualbox.org/virtualbox/5.2.10/virtualbox-5.2_5.2.10-122088~Ubuntu~trusty_amd64.deb dpkg -i virtualbox-5.2_5.2.10-122088~Ubuntu~trusty_amd64.deb Install some dependen ...

Posted by Cal on Thu, 05 Dec 2019 10:23:50 -0800

MySQL 5.7.25 binary log configuration and introduction

The binlog log function of MySQL is used to record the updated contents (changes to the database) of MySQL database, such as the internal addition, deletion, modification and query of MySQL. The query select or show of the database will not be recorded by the binlog log log. It is mainly used for the master-slave copy and increment recovery of ...

Posted by delxy on Sun, 01 Dec 2019 22:51:48 -0800

Exploration of Kubernetes configuration parameters of kubelet

Kubelet is the core component of kubernetes, which needs to be installed in each node, and is also the first service started by kubernetes cluster. Kubelet's parameters are stored in multiple directories. If they are not complete during modification, various errors will be caused. Let's explore the location and configuration method of kubelet's ...

Posted by summerpewp on Sat, 30 Nov 2019 11:01:39 -0800

Ubuntu Server 18.04 configure rsync (xinetd)

[server configuration] System version # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic Official documents: https://rsync.samba.org/documentation.html install sudo apt install rsync xinetd Modify or add in / etc/default/rsync file RSYNC_ENABLE=inetd Create th ...

Posted by chodges on Sat, 30 Nov 2019 04:26:38 -0800

[Linux] install Java on Linux

Sketch The Linux system used in this article is Ubuntu 16.04 and JDK is 1.8.0_. JDK Download JDK 1.8.0? Download link: https://pan.baidu.com/s/1AgiZ5DHnJjCVxBKPzdCddw Extraction code: v1ud Linux installing Java Create a folder in / usr/local / directory and upload the downloaded JDK through Xftp tool (if there is no Xftp ...

Posted by bmpco on Fri, 29 Nov 2019 12:51:56 -0800

How to Cross-compile the GO Program with ARM Architecture on Ubuntu

We all know that when CGO is not involved, cross-compilation of Go s is very simple and requires only the corresponding GOOS and GOARCH to be set, but when CGO is involved, the problem becomes a bit complicated because you need to specify a specific GCC. For example, if you want to cross-compile a dynamic library with CGO on Ubuntu and the tar ...

Posted by Deadman2 on Wed, 27 Nov 2019 15:29:44 -0800

bitcoin full node deployment

Server configuration: Operating system: ubuntu 16.04 CPU: 4U Memory: 16G ා generally speaking, 4G is enough, but if you want to check the history, you need to load the complete transaction index table tindex, which results in 8G + memory Hard disk: 500G bitcoin has been running since 2008, with a large amount of data accumulated, and ...

Posted by Rianna on Fri, 22 Nov 2019 11:35:07 -0800

Common operations of python xml

In the target detection task, input the coordinates of a picture and target box. After the annotation tool is completed, the coordinates are usually saved in the xml file. When we need to modify the annotation data according to our own business needs, it is more appropriate to modify the xml file directly because of the high co ...

Posted by uatec on Tue, 12 Nov 2019 08:45:41 -0800

Quick Start Development for Abstract Resolution of Order Class Picture Recognition Results

Summary: This paper mainly introduces an abstract process and scheme for row and column resolution of order class picture recognition results to help improve development efficiency. 1. Background In the face of order data paper files or pictures, only eye recognition is inefficient. Machine learning is needed to identify and analyze pictures to ...

Posted by renojim on Mon, 11 Nov 2019 19:54:26 -0800