Linux

Talk about Uboot analysis and Migration:1, download, establish Source Insight project, compile, burn write, if no running analysis reasonsTar xjf u-boot-2012.04.01.tar.bz2CD u-boot-2012.04.01Make Smdk2410_configMake2. Analysis u-boot: analyze the

Find command format:find [Search Range] [match condition]-name parameter: search by name[[email protected] ~]# Find /root-name Test # # # #精确查找/root/test/root/.cpan/build/ Template-toolkit-2.26-llokak/t/test[[email protected] ~]# find

Title, the content of this blog is to build 2 tomcat on a Linux, very painful needs, but must do1, copy the original Tomcat and rename TomcatCp/usr/local/tomcat /USR/LOCAL/TOMCAT2Modifying the external environmentVim/etc/profileexport

Edit/var/spool/cron/root FileBasic format:* * * * * commandTime-sharing Weekly command1、每分钟执行一次 * * * * * 2、每隔一小时执行一次 0 * * * * or* */1 * * * (/表示频率) 3、每小时的15和30分各执行一次 15,45 * * * * （,表示并列） 4 8 - 11 15 45 15,45 8-11 * * * command （-表示范围） 5

The first time I wrote a blog post, I was inspired by the Marco Video. I recently wanted to transfer dimensions from the network (and then just graduated from the training from Ccna-ccie all the courses, just trained to work when the network

　　Before you implement the progress bar, learn the makefile first.There are countless source files in a project, which are placed in several directories by type, function and module, and makefile defines a series of rules to specify which files need

A, download the installation packageNginx-1.8.0.tar.gzb, installation conditions GCC (skipped)①: Installing GCC (skipped) [[email protected]/]# Yum install Gcc-c++②: Installing the Pcre Library (skipped) Yum install-y pcre Pcre-devel③: Installing

struct Task_struct { volatile long state; /*-1 unrunnable, 0 runnable, >0 stopped */ struct Thread_info *thread_info; atomic_t usage; unsigned long flags; / * per process flags, defined below * / unsigned long ptrace; int

Before referring to ' make ' and ' makefile ', it is necessary to clarify the process of compiling the program, under the Windows operating system, we generally use the program software has vs, VC, and so on, these are integrated software, when the

/boot: Related files related to system startup, such as kernel, INITRD, and Grub (bootloader)/dev: Device filesDevice files:Block devices: Random access, data blocksCharacter Devices: Linear access, by character Rune unitsDevice number: Main device

1. Command format:ls [options] [directory name]2. Command function:Lists all subdirectories and files in the destination directory.3. Common parameters:-a,–-all lists all files under the directory, including the. The implied file at the beginning-d,–

Previously used Ubuntu, did not change the desktop environment, will not change, but also worry about change will not (really sick, worried about using not accustomed, but also go back to use windows)Ubuntu default is unity, with a short period of

The first blog: Linux learning note 1-ubuntu installation and basic settings, has described how to install the Linux operating system, as well as some basic settings modification.This blog mainly introduces some basic console commands in Linux.======

The use of common commands under Linux systems:First, the system command1.1. Login and exit the Linux systemTo log in to the system using Superuser:localhost login:rootpassword:****Enter the correct user name and password to enter the system. When

Centos solves The path "" is not a valid path to the 3.2.0-4-amd64 kernel headers. Problem, kernelheaderspath My machine was blown up, and then I had to reinstall my VM, and then I wanted to install vmtools in my shared folder. A problem occurred

Linux compares the intersection and difference set of two texts (comm) and linuxcommIntroduction The comm command can compare the intersection and difference set of the two sorted texts. Remember that the files must be sorted. You can use the sort

Sublime Text sorting & Searching duplicate rows & deleting duplicate rowsSort PressF9Or select the menu:Edit > Sort LinesTo sort each line of textFind duplicate rows After sortingCtrl + F, Call up the search panel Search string:^(.+)$[\r\n](^\1$[\

Inode record and linuxinode record in linux We often see inode in Linux and don't know what it is, so let's take a look at it now.   I. What is inode? To understand inode, start with file storage. The file is stored on the hard disk. The minimum

Install jdk in linux and linuxjdk Check whether the system has its own jdk: # Java-version   # Rpm-qa | grep jdk: view the built-in jdk package information   # Yum-y remove jdk name uninstall software package   It is recommended to use

0.1 million concurrent Kernel Parameter Optimization of Nginx Kernel Parameter Optimization: Net. ipv4.tcp _ max_tw_buckets = 6000The number of timewait instances. The default value is 180000.Net. ipv4.ip _ local_port_range = 1024 65000Port range