Linux

Usage: showmount [-adehv] [-- All] [-- directories] [-- exports] [-- No-headers] [-- help] [-- version] [host] The parameters are described as follows. (1)-A or-ALL: displays the client host name and mount point directory in the format of

Reprinted: http:// OS .51cto.com/art/200912/172917.htm   When Unix/Linux is usedProgramIt runs in the background, so we usually use & to make the program run automatically at the end of the program. For example, we want to run MySql in the

This system is not registered with RHN solution appears in Yum update under RHEL Let's talk about how to use centos Yum software to upgrade an unregistered RHEL system: First, run rpm-Qa | grep Yum to view the yum service-related packages. #

  From:Http://hi.baidu.com/fjfawjb/blog/item/d41b54662a288c2faa184c54.html   Q: How can I find out which service is listening on a specific port? How can I find one?ProgramListening on a specific port? A: In * nix, you can use any of the

This article mainly introduces the naming rules for hard disks and partitions in Linux. Generally, for the IDE hard disk, the hard disk on the master of the first ide slot is/dev/hda, the hard disk on slave is/dev/HDB, and the master of the second

First, set the path for saving securecrt upload and download files Options-> session-> XMODEM/zmodem-> upload/download-> OK Then check whether there are the sz RZ commands in the system (the commands in FreeBSD are lrz and lsz) If there is just

Abstract: Linux is an increasingly widely used network operating system. To ensure secure and stable operation of the system, appropriate security mechanisms should be used in practical use, this article proposes feasible Linux-based network

Support Package xinetd required for installing CVSI. Installation1. Verify whether xinetd and CVs are installed# Rpm-Q xinetd# Rpm-Q CVSIf such version information is displayed, it indicates that the version has been installed.# Xinetd-xx.xx.#

Document directory 3. Use custom queues A work queue is a form of pushing and executing jobs. It is executed by a kernel thread in the process context and cannot access user space. The most important feature is that the work queue allows

Tasklet is the most common method of Interrupt Processing in the lower half. Generally, the driver first applies for an interrupt and calls tasklet after the interrupt processing function completes the work of the upper half of the interrupt.

Document directory 3.1 manage and schedule other kernel threads kthread The difference between a kernel thread and a common process is that the kernel thread does not have an independent address space. It runs only in the kernel space and never

Today I sorted out the character device driver template, separated by three files. The initialization of the Main. c driver. Loadmod. C provides functions for installing and detaching drivers. Fileops. c file operation

A. Introduction A.1, DHCP DHCP: The Dynamic Host Configuration Protocol is a LAN network protocol that uses UDP for two purposes: an IP address is automatically assigned to an internal network or network service provider to the user as a central

I. Samba protocol Basics After NetBIOS appeared, Microsoft implemented a network file/print service system using NetBIOS. This system sets a file sharing protocol based on NETBIOS, which Microsoft calls Server Message Block (SMB) protocol. Microsoft

Summarize the Linux commands used. (Linux Command Summary: http://linux.chinaitlab.com/special/linuxcom) 1) View and sort the size of a folder.( Du, SortCommand combination) For example, the current folder is. Cache $ Du -- Max-depth = 3-H | sort-hr6

File/etc/resolv. conf configures the DNS customer. It contains the domain name search sequence of the host and the address of the DNS server. Each line should contain one keyword and one or more parameters separated by spaces. The following is an

A common mode in kernel programming is to initialize an activity outside the current thread and wait until the activity ends. This activity may be to create a new kernel thread or a new user space process, a request to an existing process, or some

Used to generate all integers between one number and the other. Example 1: # Seq 1 10 The result is 1 2 3 4 5 6 7 8 9 10. Example 2: #! /Bin/bash For I in 'seq 1 10 '; Do Echo $ I; Done Or use For I in $ (SEQ 1 10) Yes. Seq-F, -- format = format use

The netstat command is used to print network connections, route tables, and interface information, summary of usage of pseudo-join and multicast member information netstat-T |-u |-w |-L |-A |-N |-o |-p |-N |-H netstat prints information about the

Linux memory management uses page-Based Management and multi-level page tables. The dynamic address translation mechanism implements virtual memory together with the Primary and Secondary memory: each user process has a 4 GB virtual address space,