Linux

--list Directory ContentsList information about the FILEs (the current directory by default). Sort entries Alphabetically if none Of-cftuvsux nor--sort. Mandatory arguments to long options is Mandatory for short options too. Function: Used

/*** Chinese word processing method*+---------------------------------* @param stirng $string The string to be processed* @param boolers $sort =false The reverse according to value* @param Numbers $top = 0 Returns the specified number, returning all

1. InstallationService Crond StatusYum Install Vixie-cronYum Install Crontabs2. ExamplePrint the current time to the log file every minute#crontab-E*/1 * * * * Date >>/tmp/date.txt#tail-F/tmp/date.txt (dynamic display of the file)#crontab-e-u

Users and user groups1./etc/groupGroup name: x: Group number: User listGroup number 1-499 reserved system numberGroup number 500-user created2./etc/gshadowGroup name: Group Password: Group Manager: User list3./etc/passwdUser name: Password

Linux system Monitoring1. ProcessView All ProcessesPs-efPs-ef |grep NginxEnd Process# End Process number is 5031Kill-g 5031# End Nginx ProcessKillall Nginx2. View the system versionCat/proc/version3. Network Settings3.1. View network

1 Windows system will automatically establish some user accounts after installation, in the Linux system there are also some user accounts areThe system is installed, just like a built-in account on a Windows system.2 "They are used to accomplish

Using your own package so encountered a problem, in the light of the principle of the decision to write a demo to see, by the way record the whole process.1) The files required to generate so are as follows:Print.h#ifndef __print_h__#define

rsync (Remote sync) is a file sync and Transfer tool under the Unix/linux system. Rsync provides a quick way to synchronize files between a client and a remote file server via the rsync algorithm. Working mechanism: In a remote synchronization task,

CD [-l|-p] [dir]Change the current directory to dir.  the variable HOME is the default dir.  the variable Cdpath defines the sea RCH path for  the  directory containing dir.  alternative directory names in Cdpath is separated by a Colo N (:).  a

Duffy Exchange http://dufei.blog.51cto.com/382644/1151561/Cisco's firewall http://blog.sina.com.cn/s/blog_ae9dee8301014qke.htmlASA Command Daquan http://kuangkuang.blog.51cto.com/838/278598/awk Daquan http://www.cnblogs.com/ggjucheng/archive/2013/01/

Netstat-tln The meaning behind the netstat · Proto shows the protocol used by the connection.· REFCNT represents the process number that is connected to this set of interfaces.· Types shows the type of the socket interface.· State displays the

As we all know, the default search path for Linux dynamic libraries is/lib and/usr/lib. When a dynamic library is created, it is generally copied to both directories. When the program executes requires a dynamic library, and the dynamic library is

Linux Command-based dmidecode and linuxdmidecode Dmidecode allows you to obtain hardware information in Linux. Dmidecode complies with the SMBIOS/DMI standard. The output information includes BIOS, system, motherboard, processor, memory, cache, and

Linux vmstat (system IO) and vmstatio1. vmstat Displays the status values of servers at a given interval, including CPU usage, memory usage, virtual memory switching, and IO read/write.Vmstat 2 102: every 2 s10: 10 Statistics2. res Procs ---- memory

LVM management reduces swap partition space and increases to the root partition, lvmswapIntroduction LVM is short for Logical Volume Manager (Logical Volume management). It is a mechanism for managing disk partitions in Linux. It is implemented by

In linux, how does vim set the number of lines to be displayed?In. in the vimrc (or/etc/vimrc) file, enter the following text: set tabstop = 4 set softtabstop = 4 set shiftwidth = 4 set noexpandtab set nu set autoindent set cindent where: Tabstop:

Apache boot script settings, apache script By default, we compile and install apache in the source code, which cannot be started using the service command. Generally, the command we start is: [Root @ localhost httpd-2.2.16]

Ubuntu15.04YouCompleteMe plugin installation, youcompleteme 0x00. Overview YouCompleteMe is called Vim's auto-completion artifact. YouCompleteMe: a code-completion engine for Vim. The address of this project on github is YouCompleteMe. 0x01.

For TCP Keepalive parameters in Linux, tcpkeepalive Basic PrinciplesThe Keepalive of TCP can be simply understood as the keep tcp alive, which is used to detect whether the TCP sockets connection is normal or has been disconnected.The principle of

Add new hard disks, partitions, and mounts in Linux After mounting the new hard disk, enter the fdisk-l command to view the current disk information.We can see that in addition to the current first hard disk, there is also a second hard disk of the