linux office programs

: Ping www.baidu.com)4. If the ifconfig command is still not supported, you will need to install the Net-tools tool[Root@localhost ~]# cd/sbin [Root@localhost sbin]# ls Check to see if there isifconfigNo ifconfig , install it.net-tools package[Root@localhost sbin]# sudo yum install net-tools-y Refer to Centos7:ifconfig command not found to resolveAfter the installation is successful, you can use the Ifconfig command5. Installing RZ and SZ commands# yum-y Install LrzszRefer to the

Each process has a PID, and each PID has a corresponding directory under the/proc Directory, which is the implementation of the Linux (current kernel 2.6) system. Generally, backdoor programs cannot be found in ps and other process viewing tools, because these commonly used tools and even system libraries are basically passive after the system is infiltrated (a large number of rootkits are circulating on th

The problem of compiling C Programs in linux-Linux general technology-Linux technology and application information. The following is a detailed description. [I = s] This post was last edited by snowman in the oven # Include Main () { Int x, * p; X = 55; P = x; Printf ("% d, % d \ n", x, * p ); Pr

Go a lot of detours AH ~ ~ ~, recently developed and I said to be in a EC2 machine running a GUI-like program, then I wondered: EC2 machine should not have a desktop suite, then how to run the GUI program? Think of the solution when they received an e-mail, the general meaning that someone through the xming to achieve this function. Inspired by this, I went on to study the tool of the next xming.Xming This tool is generally used in the following ways:1. Install Xming on the local Windows client,

: transfers the commands in the background to the foreground to continue running. If there are multiple commands in the background, you can use fg % jobnumber to call up the selected command. % jobnumber is the serial number (not pid) of the command being executed in the background found through the jobs command)Bg: Pause a command in the background to continue execution. If there are multiple commands in the background, you can use bg % jobnumber to call up the selected command. % jobnumber is

Article Title: differences between writing socket programs in Windows and Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. [Windows ]] [Windows: Differences in header files]#

Run programs on Linux terminals in the background In Linux, if you want to run the process in the background, we usually add to the end of the command. In fact, the command is put into a Job Queue: $./Test. sh [1] 17208 $ Jobs-l [1] + 17208 Running./test. sh For commands that have been executed on the foreground, you can also run them in the background. First,

the new process after screen[[email protected] ~]# screen-r urumchi[[email protected] ~]# ping www.ibm.com [1] 9488[[email protected] ~]# Pstree -H 9488init─┬─xvnc├─acpid├─atd├─screen───bash───ping├─2*[sendmail]Instead of using screen, bash is the child process of screen, and screen is the child of Init (PID 1). Then when SSH disconnects, the HUP signal naturally does not affect the sub-processes under screen.Back to top of pageSummarizeNow that several methods have been introduced, we can choo

Write programs in Linux-general Linux technology-Linux technology and application information. For more information, see the following section. I looked at the tutorial (http://www.lupaworld.com/action_viewstutorial_itemid_4591.html) in Linux Write a serial port to receive d

Notes about some problems encountered by linux network programs-general Linux technology-Linux programming and kernel information. The following is a detailed description. I have been writing a network proxy program for linux recently, but the program is often dumped under m

Please refer to the following link for more information: Can programs written in the windows fortran environment run in linux-Linux Enterprise Application-Linux server application. I have never considered this issue during programming. I usually write it on my own machine, but now I want to run it on the server. I woul

This article mainly introduces Node in Linux. the method for configuring MySQL or Oracle databases in js programs. By default, the Node environment has been assembled and we can use the npm package management tool for configuration. For more information, see Mysql usageInstall the mysql module: Run the command in the cmd command line of the installation root directory. npm install mysql After the instal

Do you have to use Notepad to write PHP programs under Windows? Black words on the white bottom look good dizzying ah, there are like the editor on Linux a nature of software can be used? Solving... Reply to discussion (solution) Zend StudioPhpstorm...A lot of different colors Like the editor on Linux, with Vim, Vim has a window version, full-featured. I

[Linux Network Programming] Use GDB to debug programs and network programming gdb Linux has a powerful debugging tool, GDB (GNU Debugger), which can debug C and C ++ programs. The main functions of GDB are as follows: To use GDB, you must add the-g option (gcc-g xxx. c) to compile the program. When this option is set,

the environment table;#include Execution Result:================ARGV pram===================argc[0]=./main=============environment pram==============hostname=150Selinux_role_requested=Term=xtermShell=/bin/bashhistsize=1000ssh_client=192.168.0.88 12069 22(......)3. Typical storage space for C programsThe typical storage space for C programs is as follows:For Linux with X86 processors, the body segment start

Solutions for QT programs not being able to input Chinese in LinuxA netizen asked me how to enter Chinese in the QT application of Linux, I started to think that it was not a problem, but I tried it on the back. Not only QT-made applications, even QT creator are not supported. After reading some information, understand the QT application methods, here to share with you.Write a bash script, such as the follo

follows:/* Add.h */#ifndef _add_h_#define _add_h_int ADD (int a, int b), #endif/* _add_h_ *//* ADD.C */#include "add.h"//here each release version to manually update const char *lib_info = "Libadd version:0.0.3 (2015-01-30, 08:30)"; int add (int a, int b) {R Eturn (A + b);}compile and run results:/* Static Library *// * Dynamic library * /Description:Strings command: Used to display printable characters in a file.grep: Used to filter useless information because the custom library information co

Tags: need diary inux font dev als back tar comm The shortcuts to our programs in Ubuntu are placed in the /usr/share/applications folder, which is the file ending with. Desktop. We can create our shortcuts in this folder and copy them to the desktop. Let's take an example of creating an Eclipse shortcut.Cd/usr/share/applicationssudo vim eclipse.desktopThe contents of the Eclipse.desktop file are as follows, note: "Exec" isthe executable file location

. If the standard error is a terminal, redirect all output of the specified command to the standard error as standard output to the same file descriptorThis means that our Java program runs in the background, and the log recorded by the program to $log_file,> means write (clear the content before writing the content),>> means appendThe meaning of 2>1For 1 More accurate should be the file descriptor 1, and 1 is generally representative of Stdout_fileno, in fact, this operation is a dup2 (2) call

How to port programs containing flock to Solaris Author: BadcoffeeEmail: blog.oliver@gmail.comBlog:Http://blog.csdn.net/yayong2005Year5Month A friend's Linux source program contains the following calls:Flock (FD, lock_un) There is no problem in compiling with GCC on Linux. But when compiling on Solaris, an error occurs: Error: 'lock _ ex' undeclared (first use i