Linux

The Lynis is a UNIX-system security audit and hardening tool that enables deep-seated security scans to detect potential time and advise on future system hardening. The software scans general system information, fragile packages, and potential

???/etc:linux System Configuration FileConfigure the following static address parameters for the virtual machine server– Host Name: server0.example.com? ? – IP Address: 172.25.0.11???? – Subnet Mask: 255.255.255.0– Default gateway:

One, the Linux operating system support function library BranchStatic libraries: LIBXXX.A, compiling libraries into executable programs at compile timeAdvantage: No external function library is required in the program's running environmentCons:

In Linux, often parsing a domain name, the first will find /etc/hosts file, if the /etc/hosts file does not correspond, will go to find DNS, then what is the way to let the host first look for DNS it?Of course, it's defined in the /etc/nsswitch.conf

To use Mininet and OvS, to get a lightweight Linux environment, install Docker on your Mac and experience the convenience of Docker.1. Installation Environment requirementsSystem Requirements:docker for Mac would launch only if all of these

1. Introduction1.1. Official website: https://www.rabbitmq.com/2. Installation and configuration:See: Https://docs.openstack.org/ha-guide/shared-messaging.html#rabbitmq-configure2.1. Install: Do it on each nodeInstalled directly with Yum, the

One, add and root permissions of the same user1.AddUser Adminpasswd Admin (change password)Then enter the password (the password is easy to pass)You are prompted to enter a confirmation password and then enter it again. OK to add success.2. Modify

Grasping Writer: Li Pengju No.: 20179203 ( original Works reproduced please specify the source ) (Study course: "Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000) First, the

After installing ZSH, the default startup execution script becomes ~/.ZSHRC.Workaround:Mac:Modify the ~/.ZSHRC file to add: Source ~/.bash_profile, source ~/.BASHRC; Note: Under Mac there will be a. zlogin file, which is the first to start, and then

https://www.ibm.com/developerworks/cn/linux/l-ipc/Introduction to several main means of interprocess communication under Linux: Pipe and well-known pipe (named pipe): Pipelines can be used for communication between affinity processes, and

transferred from: http://blog.csdn.net/shenshendeai/article/details/49794699 Export Command Feature Description: Sets or displays environment variables.syntax:export [-fnp][variable name]=[variable setting value]Additional Note: when executing a

In writing shell scripts, we often have to deal with some input parameters, it is more convenient to find getopts in the process, and can handle the parameters and parameter values of user input very well.Getopts is used to process user input

When debugging a project under Ubuntu, use the Tomcat container, and after setting up the appropriate Tomcat LOCAL path and related information, click Debug Project to appear:Unable to open debugger port:java.net.SocketException "Socket

Linux Programming Implementation PWD commandIn Linux, everything is file. Directory is actually a kind of file, but this file is very special, it is stored in a corresponding table, that is, the file name and I node of the corresponding relational

1. Delete a 0-byte file0 -exec rm-rf {} \;2. View the process#按内存从大到小排列-E "%c :%p:%z:%a"|sort-k5-nr3. By CPU utilization from large to small arrangementPs-e "%c :%p:%z:%a"|sort -nr4. Print out the URL in the cacheGrep-r-a jpg/data/cache/*

1 #Coding=utf82 Import Time3 ImportPsutil4 fromPprintImportPprint5 6 fromLogger_untilImportLoggeruntil7Logger = Loggeruntil (name="Monitor"). Getlog (logfilename='Monitor.log', loglevel=2, Add_streamhandler=1)8 9Need_monitor_procces_names = [Ten

Reference Blog: www.linuxidc.com/Linux/2017-02/141150.htm1 Installing NFS Servicessudo apt-get install nfs-kernel-server Nfs-common2 Setting Mount directory permissionssudo vim/etc/exportsAssuming that the NFS shared directory is/HOME/RYAN/NFS,

MySQL database master-slave separation configuration method, mysql database master-slave Separation1. Introduction Setting read/write splitting for the MySQL database enables write and read operations on the database to be executed on different

Sed commands use metacharacters with regular expressions, and sed commands use regular expressions 1. IntroductionSed is a non-interactive editor. It does not modify the file unless you use shell redirection to save the results. By default, all

Centos7.3 build wordpress by compiling and installing LAMP Based on source code Software environment: Apr-1.6.2.tar.gz Apr-util-1.6.0.tar.gz http://apr.apache.org/ Httpd-2.4.27.tar.bz2 http://httpd.apache.org/ Php-7.1.10.tar.xz