system daemon

In the previous sections, we have divided Linux commands into several parts based on their functions in the system. However, there are still some commands that are difficult to classify, but learning them is equally important. Tar 1. RoleThe

Preface After the opensuse 12.1 operating system is installed in virtualbox 4.1.10, it comes with vboxguestadditions 4.1.4, as shown below: Ben @ vbox: ~> Zypper search virtualbox-guest Loading repository data... reading installed packages... S |

  Chapter 2: I don't know much about it. I think it's not that important.  3.1. Introduction Most file I/o on a UNIX system can be saved med using only five functions:Open,Read,Write,Lseek, AndClose. We then examine the effect of various Buffer

Logs are very important for security. They record all kinds of events that occur in the system every day. You can use them to check the cause of the error or the traces left by the attacker when the system is attacked. The main functions of logs are

Due to the many default log files in DebianSyslog. confRemove unnecessary files in the/var/log directory .. 1:Syslog. confIntroduction For different types of UNIX, standard unixlog system settings, except for some different keywordsSyslog. confThe

This is the seventh article in the series. It was originally written separately. This time it was added to the Linux column. 7.1 -- forword Logs in Linux are undoubtedly very important. It is of great benefit for us to analyze system faults and

This article aims to record the stars learned during the study and development of the Android system for future use ~ The content includes: development environment, installation program, system partition, Directory Overview, process analysis, and

1. the kernel uses three data structures to indicate opened files. The relationship between them determines the impact of one process on another process in file sharing. (1) each process has a record item (task_struct) in the progress table,

Install vmware-tools to share files.1. Load the linux. iso file in a virtual machine. Add the linux. iso file to Settings-Hardware-CD/IDE-Use iso image file. PS: This file can be found in the installation directory of VMware: \ Program Files \

An error occurred while installing VMTool in FC9-Linux general technology-Linux technology and application information. The following is a detailed description. Content omitted ....................... In which directory do you want to install the

Basic work: 1. When compiling a dynamic library, add the-version-map option to control the export function. 2. When compiling a dynamic library, add the-FPIC option to prepare for future use of prelink optimization. 3. Place all compiled dynamic

　　The D-Bus method is very important in mobile phone operating systems, including Linux-based operating systems such as Maemo and Moblin. It is estimated that Andriod is also widely used. For more information about D-Bus, see

There are tow pen source software related to the NTP in Linux, the first is ntpdate, the second is ntpd. you can install them as following: Apt-Get installl NTP; Apt-Get install openntpd; Or emerge NTP; emerge openntpd. NtpdateCan be run manually

Kill command in CentOS7 The safest way to kill a process is to simply use the kill command without a modifier or a flag. First, use the ps-ef command to determine the PID of the process to be killed, and then enter the following command:#

Android process injection and android Process Download all code here: http://download.csdn.net/detail/a345017062/8133239 There are two exe files, and inj is an example of a C-layer process injection. Inj_dalvik is the Java injection I wrote.C-layer

Detailed description of systemd CentOS 6 and earlier versions use the SysVinit System Boot Process Management System. Generally, you can customize your system startup sequence by configuring the/etc/inittab file. However, the control flow of the

Linux interview questions required for O & M 1. What is GPL, GNU, and free software? GPL: (General Public License): An authorization. Anyone has the right to obtain, modify, and re-release free software. GNU: (Plan): it aims to create a completely

Make a linux executable program into a serviceWhen the linux system is started, we can see that many service programs are started one by one (that is, the lines with blue [OK ), these programs run in the background play an important role in using

There are many things worth learning about in Linux. Here we mainly introduce the Linux daemon process. The Linux daemon process is still quite common. So I studied the Linux daemon process, I would like to share it with you here and hope it will be

Orphan process, zombie process, and daemon process, orphan daemon process Wikipedia: In the operating system field,Orphan ProcessRefers to the parentProcessThe first type of operation that continues after execution is completed or terminated.Process.