Linux

Briefly record the partition and backup commands used in LinuxPartition using partedBecause fdisk has some limitations, it cannot expand existing partitions, and it cannot process disks larger than 2 TB.After the partition is complete, use mkfs. ext3

After 11 .. Mr. Wang is about to graduate from college. Now he wants to write his resume, submit his resume, and find a job. Wang was ecstatic when he got to work at home. He looked at it again, and his heart was cool .. "What's the matter, Mr.

"Mr. Wang, let's talk about the memory and I/O access content today. I think it should be a little low first. This part of content is still a little annoying and difficult, I have no idea at all. I was afraid to scare Mr. Wang. I didn't bother to

Mr. Wang, have you heard of AIO? Foreigners, in this way, always love short form, the result is we don't know. The so-called AIO is asynchronous input/output. The basic idea is to allow the process to initiate many I/O operations without blocking or

"I once had a sincere love in front of me, but I don't know how to cherish it. I once had a promise, but I felt very cherished. I must talk about it today .." Let's talk about the asynchronous notification example mentioned in the previous section.

"Mr. Wang, Mr. Wang, don't go to bed. Look at you. Why are you still asleep... "I urged him to say. "Is it BC or after the ad, my MM is in a hurry..." Haha, look at him with a giggle. Remind everyone who is passing by mm. If you do not have a

Now that you have so many tips, you don't care about the remaining two or three tips: Outbound table 5: sequential lock) When sequential locks are used, read execution units are never blocked by write execution units. At the same time, write

Kernel synchronization involves a lot of things, so I am not very embarrassed. Let's talk about some concepts first, and then the method. Synchronization is to avoid concurrency and prevent competition conditions. I will not give an example of the

I recently started to learn about Linux and found some common simple statements, which are relatively simple for future reference. Link: http://tech.idv2.com/2008/01/11/linux-sysinfo-cmds/ System # Uname-A # view kernel/OS/CPU information #

Overall environment after installation: HOST: win7 64x Host VM version: VM 7.0.0 build-20373 VM7-Linux OS: Oracle Enterprise Linux 5.7 VM7-Linux OS-tools: vm7.0-Tools Linux VM version: VM 8.0.1.528992 VM8-Windos OS: Windows Server 2003

ArticleDirectory Security 1: Set the root passwordAfter Ubuntu is installed, the root user does not have the default password, because you have not set the password for the root user. Sonce @ sonce-desktop :~ $ Sudo-I [Sudo]

1. Basic concepts of transplantationMigration refers to migrating software from one platform to another, including the following:-- Port Data from one hardware platform to another;-- Port Data from one operating system to another;-- Porting from one

1. executable file format in Linux: Elf (executable and linking format, executable and connection format) 2. xip (execute-in-place): embedded systems can directly address memory devices such as ROM and flash memory, just like Ram, so they can run

The analysis of the Linux Startup Process can help those who want to learn more about the Linux Startup Process, and further study how Linux works next. Linux boot process is as follows: when the user powers on the PC, BIOS boot self-check, start

Find the tomcat_nome/bin/Catalina. Sh file and add the followingCode: Java_opts = "-xms256m-xmx512m-xss1024k-XX: permsize = 128 M-XX: maxpermsize = 256 m" The specific location is as follows: Parameter description: -Xms128m heap memory

  VxWorks Linux Kernel Structure The microkernel only provides basic services, such as task management, memory management, and interrupt processing. In addition to basic services, the macro kernel also includes file systems and

We know that in linux, The. so file is equivalent to the dll file on windows, that is, the dynamic link library. The dynamic link library is used to reduce the size of the release program. code with the same function can be placed in the dynamic

[Reprint backup] source file address: http://www.kerneltravel.net /? P = 72     Step 1 install necessary tools Install necessary packages first.Includes: libncurses5-dev (required by menuconfig) and essentialSudo apt-get install build-essential

Output Table 7: semaphores (semaphores are actually the same as spin locks, that is, they are a little different: When the semaphores are not obtained, the process does not repeat in the same place but enters the sleep waiting state) In Linux, there

"Mr. Wang, today we will talk about AIO and device drivers. This is the last section of device-driven notifications and asynchronous IO. Next time we will begin to talk about more advanced things, such as interruptions, clock, etc" In the Linux