Linux

First, download SECURECRTOfficial website: https://www.vandyke.com/download/securecrt/download.htmlor Baidu Search to download the Chinese version ofSecond, installation and registration codeHttps://jingyan.baidu.com/article/49ad8bce69ad285834d8fa9a.

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SSH is a shorthand for Secure Shell protocol, and is mainly used for remote logins!Previously logged on with Telnet (port 23) He is not encrypted, and SSH (22 port) is encryptedSSH has two important functions1, Remote connection Logon service2,sftp

Linux Beginner-swap partition ChapterSwap is a virtual memory that is partitioned in a hard disk, temporarily used as memory when the memory is full but urgently needed, and less efficient than memory. This article will make a brief introduction to

Linux Beginner-Network management chapterIn Linux learning, network management is a very important content, this article will introduce some of the IP, gateway, DNS configuration of some basic content.1. IP configuration1.1. IP QueryIn the Linux

1 partition TableThe analysis here takes the classic MBR as an example.Inside the MBR are partition table, each of which corresponds to a logical block device, and each entry in partion table is 16 bytes.First byte: Flag whether the partition is

Linux Beginner-network bridging chapterIn the network use, sometimes need to build network Bridge to realize network bridging. For example, in a host to make a virtual machine, the virtual machine is not a physical network card, the virtual machine

1.Create a Maven folderMkdir/usr/java/maven2. download maven software (official website http://maven.apache.org/download.cgi)wget http://mirror.bit.edu.cn/apache/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz3. unzip the

Run: free-m, can query physical memory size and swap space size, swap space should usually be twice times larger than physical memory.To increase the swap space step:1, DD If=/dev/zero of=/home/swap bs=1024 count=5120000This creates the/home/swap

I. Common commandsCat: Prints the contents of the entire file starting from the first line.TAC: Outputs the contents of the entire file starting from the last line.MORE: Displays one page of the file according to the window size.Less: Much the same

CENTOS6 Network ManagementTo view routes:# route-nkernel IP Routing tabledestination Gateway genmask Flags Metric Ref use Iface192.168.211. 0 0.0.0.0 255.255.255.0 U 0 0 0 eth0Destination: Destination, endGateway: 0.0.0.0, indicating that the local

Linux User management is a very important part of the future work, but also the security line of the Linux system.1. User understandingSo what exactly is a user? The user is the identity of the system users.How do users store their computers in the

How to view processes and ports in Linux and view process ports in linux How to view processes and ports in Linux First, run the ps command to view the process id: ps-ef | grep Name. The second field of each line (several lines will be occupied

Linux compiler and Editor In linux, besides the vim Editor, Emacs and TextMate Emacs is a text editor and macro compiler TestMate is an editor in mac. Differences between vim and Emacs VIM has its elders, including VI and Nvi, Vile, and Elvis.

Shell Command Introduction: remove the bom header from the utf8 file, This article describes how to use shell commands to batch remove bom headers in utf8 files. The bom header of utf8 is composed of \ xEF, \ xBB, \ xBF. When a file with bom is in

ROS multi-robot Communication in detail, ros robot explanation The soul of ROS design lies in its distributed computing. An excellent node does not need to be considered on which machine it runs. It allows real-time allocation of computing workload

Linux: sed character replacement command, linuxsedSed command Sed is a lightweight stream editor that covers almost all UNIX platforms (including Linux. Sed is mainly used to select, replace, delete, and add commands for data.Format: Sed [Option]

Use the VSLinux plug-in for detailed development and debugging.I. Preface When I was engaged in C ++ development on Windows platform, visual studio was used for development and debugging. It didn't feel much about VS's strength. After being engaged

Linux virtual machine maintenance plan and linux Virtual Machine Maintenance Azure regularly performs updates to improve the reliability, performance, and security of the VM's host infrastructure. Such updates include software components in the host

Vmwarevm uses GParted to adjust the Linux partition size. vmwaregparted The Virtual Machine allocated 50 GB of space. Recently, it was found that the space was not enough. So I expanded the partition size and checked several methods. Later, I used