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
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,
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 ~
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 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
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
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
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
/* 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)
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
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
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 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 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
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
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 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
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
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
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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