Linux

The LDD command is used to view shared libraries that are required for the program to run, and is commonly used to troubleshoot problems that a program cannot run because of a missing library fileLDD How to use:LDD [option] Fileoption:–version:

Fork () in C: (SYS_FORK.C)#include int main (void) { fork (); printf ("Hello landpack\n"); return 0 ;}Fork () in/T for Linux: (SYS_FORK.S). Section. Rodatamsg:. ASCII"Hello landpack\n"len =.-msg.section. bass.section. Text.globl

First step: Download the corresponding version from http://nginx.org/download/(or wget http://nginx.org/download/nginx-1.5.9.tar.gz directly on Linux)Step two: Unzip TAR-ZXVF nginx-1.5.9.tar.gzStep three: Set the configuration information./configure-

Before installing Nginx, we must first ensure that the system installed g++, GCC, openssl-devel, pcre-devel and Zlib-devel software, can be detected by the command, if the installation we can be shown in Figure two uninstall We generally install

Linux user identities and group recordsIn our Linux system, in the default case, all the accounts on the system and the general identity users, as well as the root of the relevant information, are recorded in the/etc/passwd file.The password is

Welcome to the start Linux Tour: Getting Started tutorial. If you have not been in touch with Linux and want to know how to use the fastest growing operating system today, all you need to do is follow the next lesson and soon you will be able to use

Beginners Level Course: Day to Day with LinuxShut down Linux. At this moment, you should have installed Linux, and you are looking at what you have. When you end, you must turn off the computer. In fact, there are computers that never shut down.

Latest Linux deployment. NET, Mono and DNX, monodnx Over the past few days, I have been tossing ASP in Linux. in other operating systems, ASP. NET 5 or. NET application, to run on the complete ms vm (CoreCLR) is not far from reaching, the

Upgrade Ruby and linuxruby in Linux I. Introduction Ruby is an open-source server-side scripting language designed for object-oriented programming. In the middle of 1990s, Ruby was launched by the Japanese company Matsumoto) design and develop. In

Remove a folder from tar compression in CentOS Generally, it is easy to package directly with the tar command. You can directly use tar-zcvf test.tar.gz test. In many cases, we need to package a directory with dozens of sub-directories and

Centos6.5 Nic command Commands For nic operations: 1. lsmod check whether the NIC module is loaded and whether the NIC Driver is good. 2. dmesg: Check whether the NIC is detected. 3. ifup ifdown 4. ifconfig to check whether the NIC works

Basic usage of netfilter/iptables firewall on Centos 6.6 1 beforehand: 1) What is a firewall? Firewall: a component that works on a host or network edge, checks incoming and outgoing packets according to predefined rules, and processes matched

Special permissions in CentOSSpecial permissions:Passwd: sSUID: when running a program, the owner of the corresponding process is the owner of the program file rather than the initiator;Chmod u + s FileName. If the file has the execution permission,

Permission settings in the/etc/sudoers file in centos We can see this setting in the/etc/sudoers file: # Allows people in group wheel to run all commands # % wheel ALL = (ALL) ALL # Same thing without a password # % wheel ALL = (ALL) NOPASSWD: ALL

Online resizing of LVM partitions in CentOS 5.5 # Mount a New GB hard disk to the serverFdisk-l# New mounted Hard Disk/dev/sdb found # Create a physical volume (PV)Pvcreate/dev/sdb # Extend the volume group and add/dev/sdb physical volumes to

Command for sending messages under CentOS6 1. wall '...' Wall sends messages to all users. The message content is included in. 2. write userName tty Use the who command to view online users and their tty, and then use the write command to send

CentOS 7.x allows you to set custom startup and add custom system services.Centos System Service Script directory: [html] view plaincopyprint? /Usr/lib/systemd/ There are systems and users, If you need to start a program that can run without

CentOS 5.X LVM online root partition resizingNote:Linux 2.6 and later kernels support online expansion of ext3First case: Add a new hard disk.# Df-h check the current hard disk statusFilesystem Size Used Avail Use % Mounted

CentOS dual-line dual-ip server route settingsThe dual-line server is composed of CERNET and telecommunication network, which enables users to return data based on their original routes. Operating System: CentOS 6.4 Nic 0 (CERNET): IP: 10.10.10.10

RedHat6 desktop Installation1. Configure the virtual optical drive of the yum library Virtualbox to be located in/dev/sr0. Therefore, after loading the RHEL6.5 image to vmware, you can configure the yum Library 1. attach an image [root @ db01 ~] #