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Article Directory sed: awk sed: Common options: -n: Use silent mode.In general sed usage, all data from STDIN is typically listed on the screen.However, if the -n parameter is added, only the line (or action) that has been specifically treated by sed will be listed. -e: edit sed actions directly ...

Sources of problems Sometimes we need to cooperate with colleagues or share resources with each other (more for the convenience of cooperation under the LAN, mutual need to know each other's IP addresses) in the working network environment, and prevent the intermittent network problems caused by IP a ...

The main contents of this section How to Get Help Documents Introduction to Linux File System Directory operation 1. How to get help documents In the actual working process, we often forget how to use commands, such as what parameters can be followed by ls command. At this time, we can use man command to see how to use commands, ...

background Recently, I have been learning Java and dealing with all kinds of objects every day. When it's enough, it suddenly reminds me that I haven't written python for a long time. After all, python is my favorite. In addition, we are building a caffe+tensorflow+digits environment in ubuntu recentl ...

I. Installation of Jenkins 1. Installing Storage Server Find a server to build an nfs server. See Ubuntu 16.04 Installation nfs > for details. System: Ubuntu 16.04 IP: 172.18.1.13 apt install nfs-common nfs-kernel-server -y #Configuration mount information cat /etc/exports /data/k8s *(rw,sync,no_root_squash) #Add permissions to directorie ...

Local environment: macOS 10.12.5 Working directory: ~/android-docker/ I. Preparing case-sensitive disk images Create a disk image First, use the following command to view disk information. diskutil info / If the File System Personality of disk information is Case-sensitive Journaled HFS+, then the current file system is case-sensitiv ...

A Contour Detection and Hierarchical Image Segmentation paper in Berkeley proposes a new image segmentation algorithm. This paper will briefly introduce the application of the corresponding code of the algorithm. This article Blog This paper is introduced. Berkeley Resources The page includes database and code download links. Downloa ...

                     Today, let's record the detailed process of installing oracle11 under ubuntu.The installation process was recorded when I installed it myself and is a viable solution. One: Environment Ubuntu:ubuntu 14.04 LTS amd64 bit oracle: oracle11 jdk: jdk1.7 Memory: 1G Hard Disk: 20G CPU:1 2: Installation 1. Downlo ...

One preparation First create the folder with the following structure: weim@weim:~/myopt$ ls ubuntu1 ubuntu2 ubuntu3 And extract the downloaded JDK (version: 8u172), Hadoop (version: hadoop-2.9.1) into three folders, as follows: weim@weim:~/myopt$ ls ubuntu1 hadoop jdk weim@weim:~/myopt$ ls ubuntu2 hadoop jdk weim@weim:~/myopt$ ls ubuntu ...

System mirroring The i386 in the Ubuntu image file is the i386 level CPU instruction set program of intel's x86 architecture.The corresponding is amd64, which is the 64-bit instruction set of x86 extended by amd. Also, ppc is very common. This is the instruction set for IBM's PowerCPU architecture.Intel has used 8086, 80286, 80386 and so on as ...