Use of Linux grep commands

In the past, I used the grep command. I thought it was good and I used it too. However, recently I always thought it was very strange to use it. It was very slow to search for some words in a file. Is my computer configuration really bad? Grep-r

View ports in Windows and Linux

We often install a lot of software on the computer. If we like surfing, we will inevitably use software communications, including web development and more applications, it is inevitable that you will not be careful when using the port. At this time,

Unbearable compilation process in Linux

When the RPM package provided in Linux cannot meet the requirements, modification is required. Source codeCompile and install. However, the compilation process in Linux is quite slow ~ It took nearly an hour to compile OpenSSL yesterday, mygod ~

Log on to Linux on a Windows Mobile Phone

I downloaded a putty for Windows Mobile and tried it on the WM 6.1 mobile phone. I can log on to my Red Hat through SSH. However, mobile phones do not have full-keyboard support, making them quite uncomfortable to use. For example, to open a file

I can't hold it anymore. I want to speed it up, so I have to buy books on the embedded Linux driver to study and master the basics.

I have bought several classic Android books a few times ago, but I found that I didn't talk about the Linux basics. Although I understand some of the basics of arm, but I almost don't know anything about Linux, so I have to master the Framework

Compile Linux 3.0.4 kernel in Ubuntu

1. Download and decompress the kernel to any directory Download the latest kernel source code 3.0.4 from the official website of the source code. You can decompress the package to any directory. Put it in the main directory: ~ $ Tar xjvf

Use minicom in Linux

1. Download and install minicom Sudo apt-Get install minicom2. Run minicomRun the "sudo minicom-s" command to enter the configuration interface (or directly run "sudo minicom", Press "Enter + A", Press Z, and then press O, enter the configuration

Uncompressing Linux... Done, booting the kernel

From: http://blog.chinaunix.net/uid-20543672-id-129729.html The main Linux kernel is transplanted to mini6410 today. The main kernel 2.6.37.1 basically supports the mini6410 board, however, a common problem occurs during transplantation: Mini6410

Macros in Linux kernel linked list

/* List_entry-get the struct for this entry * @ PTR: The & struct list_head pointer. * @ Type: the type of the struct this is embedded in. * @ Member: the name of the list_struct within the struct .*/ # Define list_entry (PTR, type, member)

Linux environment variables and androidjdk settings

1. Linux variable types Linux variables are divided by the life cycle of variables. There are two types of Linux variables: 1.1 permanent: the configuration file needs to be modified, and the variable takes effect permanently. 1.2 temporary: Use the

Pipe and named pipe (FIFO) in Linux, that is, pipelines and named Pipelines

    Pipeline is an important communication method in Linux. It connects the output of a program directly to the input of another program. It is often said that most pipelines refer to unknown pipelines, an unknown pipeline can only be used between

Backtrack Linux joins the sudo Group

When using sudo, the message "XXX is not in the sudoers file. This incident will be reported. XXX is your user name, that is, your user name has no permission to use sudo, You only need to modify the/etc/sudoers file. The solution is as follows: 1)

Linux Device Driver Model excerpt (1)

Linux unified Device ModelIntroductionThe linux2.6 Kernel provides a new device model to uniformly represent and operate all devices on the computer, including the connection relationship between the device and the device. This model is obtained

Add domestic sources in Linux

Add a Chinese source (Sohu, 163) to Fedora) Solution 1 In China 163 and Sohu provide good sources. Now we add them to our source database.1. Add source of SohuGo to the website http://mirrors.sohu.com/, find the fedora directory on the left, click

Install linux on PXE Network

There are a lot of online configuration methods. For more details, you can find them on the Internet. I won't write them very detailed here, but I won't talk about step by step, the most important thing is to know the implementation principle! I

Solution for forgetting the user password in Linux

Address: http://www.linuxeden.com/html/softuse/20100413/102546.html   Although I will never forget my password, I will study this topic carefully to prevent my mother from reading my ICQ one day.Chat records may be useful. If a common user (non-Root

Linux Account hiding

Linux system backdoor technology (hiding accounts) Every time we get a Linux Server bot, our biggest wish is to keep it forever. Of course, it is impossible to keep it forever, but we should try our best not to let it fly away. This requires the use

Personal Linux Summary

Personal Linux Summary Author: Linux knowledge (http://www.linuxmine.com) From: Linux knowledge (http://www.linuxmine.com) Existing: http://www.linuxmine.com/5698.html Contact: linuxmine # gmail.com Do not understand? Welcome to the Linux Forum

Linux operating system packaging command usage

Saturday, 25. February 2006, 12:30:13I have made full use of the TAR, cpio, and compress commands of the UNIX System in the Unix system (especially data management and backup) After some research and arrangement, it serves as a compression software

Establish a TFTP development environment for Embedded Linux

TFTP is the simplest network protocol used to download remote files. It is implemented through UDP. The TFTP development environment for Embedded Linux includes two aspects: one is TFTP-server support for the Linux server, and the other is

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