Linux

DOS Startup Installation Method This method must be implemented in a pure DOS environment, so you need to find a way to enter the pure DOS environment. The specific operation method is to first read the dosutils directory in the ISO file

For personal VPs, simple firewall settings are also necessary. The specific method is as follows: 1. Check whether the firewall function is Enabled:#/Etc/init. d/iptables status 2. Set the preset policies for the input, output, and forwarding

In case of a task exception, you need to record the last words and use GDB for debugging. Therefore, you need to record the coredump file. View settings: Run sysctl-A | grep core under the root user to check whether the core file is correctly

FS capacity: DF DF-H command. H is short for human. After this switch is enabled, the information is easier to read. The tmpfs In the result indicates a system in the memory. To view the swap partition, use the free command.   Directory

Dmidecode  Previously, the authorArticleThe usage of this command to view the information of the motherboard in Linux has been introduced. DMIThat is, publish topmanagement interface. Also known as smbios, System Management BIOS. The

A file descriptor is a simple integer used to indicate the files and sockets opened by each process. The first open file is 0, the second is 1, and so on. A Unix operating system usually imposes a limit on the number of files that can be opened by

1,For/do/done   Shell scriptForThe loop structure is very different from the C language, it is similar to someProgramming LanguageOfForeachLoop. For example: #! /Bin/shfor fruit in Apple Banana pear; do echo "I like $ fruit" done FruitIs a

Recently, you need to install the VNC server on a server and find the relevant RPM package on the CD. However, the system prompts that there is a dependency during installation, I tried to find relevant information online and had no answer. However,

1. Disk information [Wang @ localhost desktop] $ Du-Sh./mm 392 K./mm [Wang @ localhost desktop] $ Du-ak./mm 376. /MM/boot_nontrust.bin4. /MM/BT. sh0. /MM/check. md54. /MM/rtk8723_bt_config4. /MM/startup. x392. /mm [Wang @ localhost desktop] $

In order to grasp how a custom kernel function is executed, some debugging methods are required. In fact, a tracing method is required, which is not very complex in theory, however, there are too many debugging interfaces in the Linux kernel, and it

Install linux on Windows 7 and XP   Platform: win7 and XP (Asus Notebook) Cause: I am used to Ubuntu, but sometimes I want to store something in windows, which is inconvenient for virtual machines. Note: A. The dual system installation in

Http://www.ibm.com/developerworks/cn/linux/l-iotips/ First, let's talk about what is I/O redirection. The so-called I/O redirection is simply a process. This process captures a file or a command,Program, Script, or evenCodeBlock, and then send the

Start Analysis During Windows Startup, an MBR will be available in sectors 0 to 1 on the hard disk. the BIOS will read the MBR, And the MBR contains a boot program started by windows. Linux has a swap partition used to simulate memory usage. the

Single task: only once. At edit task Shutdown command sudo poweroff After the creation is successful, a job ID is returned. ATQ Query Task Use this command to query the job with the specified ID, or do not specify the job ID to view the job. note:

When developing a kernel module or driver, if processing errors cause deadlocks or endless loops in the kernel thread, you will find that you have nothing to do except restart. At this time, your input does not play any role. The terminal (not the

IPv4 socket address structure:   #include struct in_addr{ in_addr_t s_addr; /*32-bit,network byte orderd*/};struct sockaddr_in{ uint8 sin_len; sa_family_t    sin_family;    /*AF_INET*/ in_port_t

0. Description Author: Gao Peng this article by Gao Peng, reproduced please indicate the source. Original article address: Http://blog.csdn.net/gaopenghigh/article/details/8831692 1. Process Descriptor)In the kernel, all process information is

Scenario: SSH is connected to a remote server and a jetty HTTP service is temporarily opened. However, Putty is inactive soon, which is inconvenient. I want to find a method to keep the program running in the background. I want to disable putty

Today, I got a file named mysql5.5.12. During the installation, I found that there was no configure file in it. I didn't know how many times I had installed the MySQL server. How can I compile it without this, I checked it online and used cmake to

drop_cachesWriting to this will cause Thekernel to drop clean caches, dentries andInodes from memory, causing thatmemory to become free.To free pagecache:Echo1>/proc/sys/Vm/drop_cachesTo free dentries and inodes:Echo2>/proc/sys/Vm/drop_cachesTo free