pfsense packages

The following describes how to use RPM software packages in a Linux operating system-Linux general technology-Linux technology and application. 1. How to install the rpm Software Package You can use the program rpm to install the rmp package. Run the following command rpm-I package_name.rpm (package_name.rpm is the file name of the rpm package you want to install, which is usually placed in the current directory). The following prompt may appear duri

# Netstat-lntp # view all listening ports # Netstat-antp # view all established connections # Netstat-s # view network statistics Process # Ps-ef # view all processes # Top # display Process status in real time User # W # view active users # Id # Last # view User Logon logs # Cut-d:-f1/etc/passwd # view all users in the system # Cut-d:-f1/etc/group # view all groups in the system # Crontab-l # view the scheduled tasks of the current user Service # Chkconfig -- list # list all system service

omit the prefix's package name when you call the package's function, which is the FMT you called earlier. Println ("Hello World") can be omitted as written Println ("Hello World")2. alias Operation alias operation as the name implies, the package can be named as another easy to remember names.The import (f "FMT") alias operation invokes the package function when the prefix becomes a renamed prefix, that is, F. Println ("Hello World")3. _ Operation This operation is often confusing to many peopl

A package is a mechanism that distinguishes a class namespace from the Java language, which is a kind of file organization and management method of a class, a set of classes or interfaces that are functionally similar or related. The Java package provides a management mechanism for access and naming, which is a very basic but very important concept in Java.The role of a package1 The functions of similar or related classes or interfaces organized in the same package, convenient for the search and

Java uses the package structure to organize and manage classes and interface files. This article introduces several common packages in the Java language Library, because these packages are often needed in software development and applications, and some of them are necessary. If you leave it, you really can't do anything.First Package: Java.lang package. The package provides the basic class for programming

　　This article transferred from: http://blog.csdn.net/mazhaojuan/article/details/21403717Third-party jar packages are often used when developing programs with Eclipse. The introduction of a jar package is not a small problem, and is a waste of time due to the unclear location of the jar package. The following diagram illustrates how 3 types of Eclipse introduce jar packages.1. The most common common operati

After RHEL (Red Hat Enterprise Linux) is upgraded to 5.0, yum (yellow dog update manager) is used to manage software packages, including software package updates and patch delivery. This is not a small change! So far: 1. If you have not purchased a RedHat subscription, you will not be able to get the Installation Number (note that it is not the serial number at the time of installation). Therefore, you will not be able to register the system, and you

Java uses the package structure to organize and manage classes and interface files. This article introduces several common packages in the Java language Library, because these packages are often needed in software development and applications, and some of them are necessary. If you leave it, you really can't do anything.First Package: Java.lang package. "The package provides the basic class for programming

---> third-party modulesUse Sys.path to view pathsImportSYSPrint(sys.path) execution result: D:\Python\Python36-32\python.exe e:/python/test/t.py['e:\\python\\test',' E:\\python ','D:\\python\\python36-32\\python36.zip','D:\\python\\python36-32\\dlls','D:\\python\\python36-32\\lib','d:\\python\\python36-32','c:\\users\\ldsly\\appdata\\roaming\\python\\python36\\site-packages','d:\\python\\python36-32\\lib\\site-pa