Linux

Process ViewPS Ax: Displays a list of current system processesPS aux: Displays a detailed list of current system processes and process usersPS ax|less: If the output is too long, you may add a pipeline command less to view the specific process, such

Common commands for managing jobs in Linux1 put the command or script in the background to run#命令 &egRPM-IVH zlib**.rpm &./run.sh &2 pausing a command to the backgroundCTRL + Z3 Viewing background commands#jobsParameters:-L: The PID is listed in

OverviewThis series consists of two articles, which describe several 0 copy technologies currently used on the Linux operating system, and simply describes the implementation of various 0 copy technologies, as well as their characteristics and

Supervisor is a client server system that allows users to monitor and control the number of processes on Unix-like operating systems.Official website http://supervisord.orgInstallation1. Easy_install Supervisor2.Setuptools (latest) from

The permission to see a directory today is RWXRWXRWT is surprised what this t is, how is it not X or-? Search for the following discovery: This t represents the so-called sticky bit. Sticky bit: This bit can be understood as an

　　Install The bind package First look at its configuration file and working directory. rpm -qc bind Where you can see:/etc/named.conf master configuration file /etc/named.rfc1912.zones zone configuration file /var/named/named.ca Locations

A zone may have primary DNS, from DNS, subdomain DNS, this section with the primary DNS authorization subdomain for example explained. Subdomain Authorization configuration process:1. Edit the primary DNS forward zone

1. IntroductionKali Linux operating system is often used by some security experts and cyber criminals to do infiltration and audit work, but in addition, here is a special feature: Hide the target file in the picture or audio. (Looks like a tempting

A character set is a set of text symbols and their encodings. The commonly used character sets are:GBK fixed-length DWORD is not an international standard, many supported systemsUTF-8 non-fixed length 1-4 bytes widely supported, MySQL also uses UTF-8

Crontab is a Linux system integrated scheduled task command, which is useful for system operation (data backup, scheduling system resources or commands, program timing triggering, etc.). Crontab has some task scheduler similar to the service of a

#include  void main ()  { int i=5;  //printf ("%d,%d,\n", i,i++),  //output  6,5,//printf ("%d,%d,\n", i++,i);  //output  6,6,//printf (" %d,%d,\n ", i,++i);  //output  6,6,//printf ("%d,%d,\n ", ++i,i);  //output  6,6,//printf ("%d,%d,\n ", i++,++

In the Linux device driver first: Introduction to the device driver briefly describes the character driver, this article briefly describes how to write a simple character device driver. This article draws on the source code in the LDD, realizes a

Linux wget is a tool for downloading files, which is used at the command line. This is an essential tool for Linux users, especially for network administrators, who often download software or restore backups from remote servers to a local server. If

Introduction to FOR/R UsageUsing the Find command under Linux, found it convenient to find files, then there are no similar commands under Windows can traverse the directory and find the file by file name? The answer is:Commands under Windows for /r

Curl and wget advanced use of Linux tools Curl and wget advanced use of Linux tools 1. curl (file transfer tool) Common parameters are as follows:-C, -- cookie-jar: writes a cookie to a file.-B, -- cookie: Read the cookie from the file-C, --

The NFS Network File System is mounted on the A8 board. I admit that I am a newbie. I have no network knowledge to mount the nfs Network File System. It takes five days to mount the nfs Network File System on the A8 board, implements file sharing

Linux Network Programming-original socket instance: Packet Analysis of MAC header, linux Network Programming We learned through "Linux Network Programming-original socket programming" that we can get the data packets at the link layer through the

How to find and delete duplicate files in Linux: FSlint Hello everyone, today we will learn how to find and delete duplicate files on a Linux PC or server. Here is a tool you can use as needed. Whether you are using a Linux desktop or server, there

Cloudera Manager 5.3.2 and CDH5.3.2 environment Configuration System Environment 9 DELL R720xd servers (192.168.3.245-253) and 1 r0000master node (192.168.3.243)NIC: 1000 MEach of the nine DELL R720xd servers has 12x4 TB disks.Network Environment

Diagnose network problems in Linux Kernel A few weeks ago, we began to pay attention to the great changes in the network traffic of servers that track API in Washington. In a fairly stable daily model, we start to see 300-400 Mbps peak traffic, but