1. decompress the arm-Linux-GCC File
Such as: # tar xvzf arm-linux-gcc-4.5.1-v6-vfp-20101103.tgz-C/
2. Install arm-Linux-GCC in a directory.
For example, install arm-Linux-GCC in the/opt/friendlyarm/toolschain/4.5.1 directory.
3. Modify the
For Linux I/O performance tuning, you can consider the following aspects:
1. The pre-read granularity of Block devices. The size of this value is determined based on the granularity of read and write operations.
2. Block device
Study Notes: Linux system stop and restart commands Source: chinaunix blog Date: 2006.05.21 (0 comments in total) I want to commentStatement: You can freely repost this article, but be sure to keep the integrity of this article.Author: Zhang
SCP command in Linux
The SCP command of Linux can copy files and directories between Linux;============================SCP command============================SCP can copy files between two Linux Hosts;Basic command format:SCP [optional
Use the kernel of the host machine to compile the hello world module.
1. Select a working directory. I select/opt/guoqian/hellomod;
Mkdir-p/opt/guoqian/hellomod
2. Use vim to edit hello. c. The Code is as follows:
#include #include MODULE_LICENSE("
# Include # Include # Include # Include # Include # Include
Int main (void){Pid_t child;If (child = vfork () =-1) // create a sub-process{Printf ("error ");Exit (1 );}Else if (child = 0) // sub-process{Printf ("I can do it, % d \ n", getpid
Bored on weekends, create a multi-thread to implement the simple chat function. By the way, let's take a look at the Linux TCP/IP.
Next I will post code for everyone to learn! Some code is repeated in article (1), so I will not comment it out!
====
[Root @ rhes6 SVN] # SVN Add 186SVN: Warning: cannot set lc_ctype localeSVN: Warning: Environment Variable Lang is en
SVN: Warning: Please check that your locale name is correct
VI/etc/profileAdd a row:Export lc_all = CSource/etc/profile
Path =
From: http://rtxbc.iteye.com/blog/870160
First, make sure that we get the latest code and runLinux code
SVN up index/
Find the exact version to undo:Linux code
SVN log -- limit 10 index/TPL/CSS/global.css
According to the log, we suspect
From: http://blog.163.com/yangzhanghui_job/blog/static/17957506220127171173225/
1. Create a folder activemqMkdir/Server
2. AuthorizationChmod 777/Server
3. Download The activemq installation package and copy it to the/activemq
Conditional variables allow us to sleep and wait for certain conditions to appear. (In windows, the interlock function can be used to simulate the conditional variables in linux)
A condition variable is a mechanism for synchronizing global variables
I learned about linux shell commands for about two hours today. I have introduced a lot of linux shell commands that I don't know at ordinary times.
I sorted it out and pasted it out.
Basic Linux shell format:
Command [options]
1. Concept of byte sequence
Byte sequence refers to the storage order of data that occupies more than one byte in the memory. Generally, there are two types of byte sequence: small and large.
Large-end alignment: the low-address location of the
Except for the include directory under the kernel source code, there are include directories under the arch/arm/mach-s3c2410/and arch/arm/plat-s3c24xx/directory.
#include /* printk() */
#include /* kmalloc() */
# Include /*
1. Do not mount the SD card umount to the SD card Partition2. view the SD card fdisk/dev/sdbCommand (m for help): dPartition number (1-4): 1
Command (m for help): dSelected partition 2
Command (m for help ):Command (m for help ):Command (m for help )
To delete a file, you do not have to have the write permission for the file, but you must have the write permission for the file's parent directory. That is to say, even if you do not have the write permission for a file, but you have the write
(1) tree-A displays all files and directories
(2) tree-D displays the directory name rather than the content
(3) tree-F displays the complete relative path name before each file or directory.
(4) tree-F adds "*", "/", "= ","@", "|.
(5)
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