Linux

Nginx install one. Installing the compilation tools and library filesYum-y install make zlib zlib-devel gcc-c++ libtool OpenSSL openssl-develView CodeTwo. Install PCRE (PCRE function is to let Nginx support rewrite function)1. Download the PCRE

Soft linksSoft Link: Windows-like shortcut,-> text file, but contains the address of the real fileIf the source file is deleted, the soft connection is also deletedSoft links can be placed on any file systemThe directory can create a soft connection-

Common Command Displaythe difference between/dev/null and/dev/zero1./dev/null: Represents a black hole, typically used to discard unwanted data output, or an empty file for the input stream1.1 writes the useless output stream to the black hole

Version: Zookeeper-3.5.4-beta.tar.gz + jdk-8u171-linux-x64.tar.gzCluster construction (3 nodes)Multiple nodes repeat the same operation:1. Upload the JDK and zookeeper installation packages to Linux2. DecompressionYou can delete the compressed

First, Jenkins installation(1) Tomcat download,: https://tomcat.apache.orgSelect the corresponding version, the following version of Tomcat 9.0 as an exampleDownload Zip Package(2) Jenkins download,: https://jenkins.io/download/, download down to a

2.14.4.1, what is modular design(1) Because the Linux kernel is very large, the code is very large, a lot of things, if the design is fully designed as a whole (each file, the various functions tightly coupled), the complexity is beyond the scope of

SYSTEMD is an init software under Linux, developed by Lennart Poettering, whose development goal is to provide a better framework to represent the dependencies between system services, and to implement parallel start-up of services when the system

About Samba　Samba is a free software that implements the SMB protocol on Linux and UNIX systems, consisting of servers and client programs. SMB (Server Messages block, information service blocks) is a kind of communication protocol for sharing files

? File Transfer Protocol: Files Transfer protocol is a set of standard protocols for file transfer over a network, using client/server mode. It belongs to the application layer of the Network transport protocol.Server side: VSFTPDClient:

One, create a folder on the Linux server to install filesSecond, on-line installation: GCC, pcre, zlib, OpenSSL components1, the need to install GCC environment. Yum Install gcc-c++2. PCRE yum install-y PCRE pcre-devel               PCRE (Perl

1. Create a new user accountUseradd-The user name of the new parameterParameter description:-C remarks > Add note text. Note text is saved in the remarks field of the passwd. -D login directory > Specify the start directory for user login. -eDate >

First, download TomcatGo to official website: http://tomcat.apache.org/find the tomcat to download　　I download is apache-tomcat-8.5.29.tar.gz, Baidu Cloud Resources link: Link: https://pan.baidu.com/s/1u7Cm4VVl8knZjvlOIUmEZw Password: n5raIi.

First download the Anaconda installation package on Linux:$ wget https://repo.anaconda.com/archive/Anaconda3-5.1.0-Linux-x86_64.shThen empower and execute the Setup program:$ chmod +x

Linux TelnetAlready understand the login process, learned to use SECURECRT to operateLinux File Basic PropertiesLinux to protect the system security, to different users, open different file access rights.In Linux, we can use the LL or LS-L command

1. List The files of the current directoryLS lists all files or foldersLs–l lists so files and their detailed detailsLS *file lists the files that begin with fileLs-l *.doc gives all files that end with. doc in the current directory2. Copy file CPCP

Terminal some common shortcut keys Key function Ctrl+d Keyboard input end or exit terminal Ctrl+s Pause the current program, pause and press any key to resume running

How to read the source code under Linux and extract and write demoHere, take PS as an exampleThe tools used are clion.See the PS Path FirstwhichView Source PackageDpkgUse Apt-get download (this may be reported xxxxxxxx cannot be authenticated.

2.15.1.1, source from where to(1) As mentioned before, we use the 2.6.35.7 version of the kernel. This version of the kernel has three kinds: the first is the official version on the kernel.org, the second is Samsung transplanted, the third is the

1. Umask: Set the permission mask syntax: umask [parameters]Command description: Umask can be used alone, you can set the default permissions of the directory and file, the default permission mask is 022, so the default directory permissions are 777-

Linux Find command (find)Command format:find [contents] [options] [Criteria for options]Options:-name: File name lookup-size: Size of file to find-perm: File permissions to find① based on the name of the file ( most used )② based on the size of the