Linux

Some software installed on the computer will have one or more services in the system service management, such as Apache,vmware software will appear in the computer services, can be started with the system start, of course, can also be set not to

One, POSIX signal volumeThe 1.Posix semaphore is divided into two types:1. Known semaphores: Using POSIX IPC name identifiers (known semaphores are always available for synchronization between threads and for inter-process synchronization)2. Memory

In the home directory there is a wwwroot directory, wwwroot under the Sinozzz directory, that is/home/wwwroot/sinozzz First, Directory creation Create a new sinozzz123 folder under the/home/wwwroot directory Mkdir/home/wwwroot/sinozzz123 Second,

First, Introductionthe BackTrace () series function can be used to output a function call relationship when a code error occurs. A BackTrace is the series of currently active function calls for the program.#include int backtrace (void **buffer, int

In the previous blog to introduce the Linux installation and directory structure of the relevant knowledge, today we will formally into the Linux system, the content of this issue is as follows:1. Simple introduction of Linux command function2.

[Email protected]/]# mail-s "Message" [email protected] The system by default to "[email protected] hostname" To send mail, receive mail directly to be considered as spam, it can be customized mailbox to send mail?The answer is sure to do.Download

The Linux system directory contains 8 directories of Home, USR, Var, Bin, Lib, Boot, etc, and Dev , each of which stores the different function data in the LINXU system. I'll simply change a diagram here to make it more intuitive for everyone to see.

Common commandsNetstat-pan|grep 2809: View a specific port situationNETSTAT-NL | grep 110: View a specific port situationNETSTAT-AP: List the connected PID (process number) based on the above command, using this PID, you can use Kill to kill the

1. Partitioning (MBR)# Cfdisk semi-graphical interface, divided into three zones: sda1 20g,sda2 80g,sda3 4G.2. Creating a File system# MKFS.EXT4/DEV/SDA1# Mkfs.ext4/dev/sda2# Mkswap/dev/sda3#swapon/dev/sda3 Enable swap partitions3. Mounting#

Table 1 Linux common compression and decompression command description Common commands Brief Chinese description directory where the program is located Gzip Compressed to a file named. GZ (also available as

First, the signal life cycleExecution complete from signal to signal processing functionFor a complete signal life cycle (from signal sent to the corresponding processing function completed), can be divided into three important stages, these three

Device block, inode, file nameTurn from:Http://www.ruanyifeng.com/blog/2011/12/inode.htmlhttp://blog.s135.com/post/295/Http://hi.baidu.com/leejun_2005/blog/item/d9aa13a53b3af6e99152ee7e.htmlFirst, what is the inode?To understand the inode, start

Linux has been used for some time, to tidy up the common Linux commandsRELATED links:Linux command finishing-basic operationsLinux Command collation-user management1.ls Directory Enumeration (dir)Generally we write this:Linux Code Ls

In Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP

0, Mutual exclusion amountMutex under Windowsis a kernel object that checks whether the current thread ID and the thread ID that owns the mutex are consistent each time WaitForSingleObject and ReleaseMutex.When multiple wait** is required to

First explain the operating system's boot process:The Master boot record (Mbr,main boot recording) is the boot (Loader) code at the front of the diskThe Pbr,partition boot record is the boot record of each partition and is written in the first

I installed the ubuntu10.04 and Win7 flagship dual system on my little Y, using grub boot. Today Win7 do not know where the problem, Windows Update update has been an error, (of course, 360 is not a drop) on the internet for a long time to learn

X01. OS. 19: linux 0.0, x01. OS. 19linux0. 0 Linux 0.0 is a lost version, but on the basis of linux 0.11, Dr. Zhao has brought it back to life. Www.oldlinux.org has a large number of resources available for download. 1. To compile and run the

How to store a data file system? How is it stored? -- [Sky Original], sky OriginalBlock Device File: indicates a file system's high-speed cache device, such as a hard drive device file: indicates a non-high-speed cache device, such as a tape drive,

HP array card troubleshooting example The company uses HP gen8 and p420i array cards. At the other end of the system, the nagios monitoring system works with the nrpe script check_hpasm to regularly check hardware health. Recently, in order to make