Linux

1.tar-p whether to keep the root directory-T view the contents of the compressed file-n 201401010 backup date aftertar -zcpf/tar/data2. tar. GZ/ETC/*conf[[email protected]/]# CD Tar/[[email protected] tar]# ll total 80-rw-r--r--1 root ro OT 39051 09-

The function of NIC binding: 1, redundancy, prevent single point of failure2. Prevent transmission bottlenecks1. Switch Port bindings:1 system-view2 link-aggregation Group 1 mode manual34 For example, to bind ports 1 and 2 56 interface ethernet1/0/1

[Email protected] ~]#ifconfigeth0 Link encap:ethernet HWaddrxx: 0C: in: +: F6: Ainet Addr:172.17.4.128Bcast:172.17.4.255Mask:255.255.255.0Inet6 addr:fe80::20c:29ff:fe78:f612/ -scope:link up broadcast RUNNING multicast MTU: theMetric:1RX

1, the process is the execution of the program, will be loaded into memory, each process includes the code and data of the program, including the data of the program variables, external data, program stack.2, Linux, the input command, such as VI

IP is a command, there are many functions of IP command! Basically it integrates the two commands, ifconfig and route, but the IP is more powerful! If you are interested, please vi/sbin/ifup on your own to know that the entire ifup is the use of IP

Linux every time you start the network card needs to be activated in order to surf the internet, it is very troublesome.Search the Internet for information, and finally the solution:# vi/etc/sysconfig/network-scripts/ifcfg-eth0:1 View the eth0:1

For example, the following code can be used for reference:static void _sleep_response_timeout (modbus_t *ctx) {#ifdef _WIN32/ * Usleep doesn ' t exist on Windows */ sleep ( Ctx->response_timeout.tv_sec * +

Since Linux's kernel space and user space are strictly separate, SYSFS can be seen as a bridge between user space and kernel space,SYSFS the devices and buses connected to the system into a hierarchical file that can be accessed by user space, and

First knowledge of the Linux kernelLinux was born in 1991 in the year of Linustorvalds. POSIX represents a Portable operating system interface (portable Operating system Interface). POSIX is a product that appears in the Uni standardization process.

Since the decision to do development, has not configured a Linux system for a long time. Don't try to write a blog, you may really have to return to the teacher. In the spirit of review, while the principle of recording, some Linux configuration and

Original address: http://blog.csdn.net/chenchong08/article/details/7833242/etc/profile: This file sets the environment information for each user of the system, and the file is executed the first time the user logs on. and collects the shell settings

LAST,LASTB (1) Linux System Administrator ' s Manual LAST,LASTB (1)NAMELast, lastb-show listing of the last logged in usersSynopsisLast [-R] [-num] [-N num] [-adfiowx] [-f file] [-t YYYYMMDDHHMMSS] [name ...] [TTY ...]LASTB [-R] [-num] [-N num] [-f

Linux system has three kinds of users: general users, system users, super usersThe Superuser's userid is 0, the system user's ID range is 1-499, the general user's ID range is 500,You can use the ID command to view the current UserIDUser Information

One can be counted:[[email protected] ~]# netstat-nlptu |awk ' {print $4,$7} ' | grep 80::: 2508/httpdThis makes it more intuitive to display the ports to be queried and the programs that use this port.The feeling is not very profitable accurate:(

1. Process creationint Pthread_create (pthread_t * thread_id, __const pthread_attr_t * __attr, void * (*__start_routine) (void *), void *__res Trict __arg);The first argument is a pointer to the thread identifier, the second parameter sets the

Five query commands in Linux and five commands in Linux 1. find Use the find path command action For example, find.-name a.txt is a file named a.txt in the current directory. You can also add the time parameter: -Atime access time -Ctime: the time

Mud: KVM, kickstart and NFS integration, kvmkickstart This article was sponsored by Xiuyi linfeng and first launched in the dark world. In fact, this article may not have been written. However, to learn how to use NFS, write it as a note. For how

Batch set folder 755, webpage file 644 Permissions Although we are more free to set up a website on VPS, we need to do the security settings of the space ourselves. Once the website space or webpage is insecure, other websites may be affected by

Introduction to LINUX Remote Online Software: PUTTY, SecureCRT, and X-Manager **************************************** ******************************** **************** Original works, from "Deep Blue blog" blog, welcome to reprint, reprint please

[Linux] history: display the command execution time Display the time of a historical command line The environment here is centos5.8 Vim ~ /. Bashrc or ~ /. Bash_profile add export HISTTIMEFORMAT = "% F % T" Execute one session first Export