dev bootcamp

Break down this combination: ">/dev/null 2>1" is part five.(1 for standard output, 2 for standard error output, 2>1 to redirect standard error output to standard output)Where does the 1:> delegate redirect to, for example: echo "123" >/home/123.txt2:/dev/null represents an empty device file3:2> indicates stderr standard error4: means equal to, 2>1, 2 output redirect equals 15:1 means stdout standard output,

Drivers/tty/serial/Samsung. c Int s3c24xx_serial_probe (struct platform_device * Dev, Struct s3c24xx_uart_info * info){Struct s3c24xx_uart_port * ourport;Int ret; Dbg ("s3c24xx_serial_probe (% P, % P) % d \ n", Dev, info, probe_index ); Ourport = s3c24xx_serial_ports [probe_index];Probe_index ++; Dbg ("% s: initialising port % P... \ n", _ FUNC __, ourport ); Ret = s3c24xx_serial_init_port (our

Use Webpack-dev-server to encounter problems that cannot be automatically refreshed by the browser;Here are some points to note:1.webpack-dev-server does not read the configuration of your webpack.config.js output!!You're in webpack.config.js. The configuration output property is used when you use Webpack to pack, and it doesn't work for webpack-dev-server.2.webp

The shell can often be seen: >/dev/null 2>1Eg:sudo kill-9 ' ps-elf |grep-v grep|grep $1|awk ' {print $4} ' 1>/dev/null 2>/dev/nullThe result of the command can be defined in the form of a%> output/dev/null represents an empty device fileWhere does the > delegate redirect to, for example: echo "123" >/home/123.txt1 mean

KOA2 for easy Webpack-dev-server Thermal update Original HTTPS://GITHUB.COM/ZHUANGZHOU/BLOG/ISSUES/3 Idle to Nothing, with koa2 a simple webpack-dev-server, in fact, many online Express build hot update, but koa2 few; Welcome to the big guy to shoot bricks and enlighten;Source Configure the basic Webpack1. Download the installation package Webpack Webpack-cli Ht

From: http://www.ixdba.net/a/os/linux/2010/0422/35.html "When reprinted, please indicate the source of the article and the author's information and this statement in the form of a hyperlink"Original link: http://www.ixdba.net/a/os/linux/2010/0422/35.html Today in one of their technical group was asked such a question, and then the popular explanation, make a record, we see whether the explanation is clear.The shell may often see: >/dev/nu

Data Analysis system DIY three tasks to complete.First, use VMware to install 64-bit CentOS. The database service side with CentOS comes with the good.Second, data collection and pretreatment with dev-c++ programming solution.Third, using the local Win7 64 matlab r2012b Connection database for mining analysis.This article is the process of completing the second task.1.Terminal Enter the command line "Ifconfig" to confirm the CentOS virtual machine ip:

Added devshm space linuxdevshmOracle11g cannot start, error: Java code ORA-00845: MEMORY_TARGETnotsupportedonthissystem Web Query said OracleSGA set more than devshm space will report this error. How to modify d add/dev/shm space linux/dev/shm Oracle 11g cannot start, error: Java code ORA-00845: MEMORY_TARGET not supported on this system indicates that this error is reported when the ratio of/

Data Analysis System DIY2/3: Local 64-bit WIN7 + dev c ++ compiler for VMware CentOS7 + MariaDB, diy2win7 Three tasks to be completed in DIY data analysis system. 1. Use VMware to install 64-bit CentOS. The database server can use the built-in CentOS. 2. Data collection and pre-processing are programmed using Dev-C ++. 3. Use MATLAB R2012b on local Win7 64 to connect to the database for mining and analysis.

Add/dev/shm space linux/dev/shm Oracle 11g cannot start, error: Java code ORA-00845: MEMORY_TARGET not supported on this system indicates that this error is reported when the ratio of/dev/shm space set by Oracle SGA is large. How to modify the size of/dev/shm? /Dev/shm is mo

In Linux, what is the difference between the content in the/dev/directory and that in the/proc/file devices? I'mWhen I did an experiment on the board, I found that when I loaded the driver module to the Board, there were changes in the devices file, and there was no change at all under/dev, shouldn't it be a device connection under/dev/? Why?When the module estab

The shell can often be seen: >/dev/null 2>1 Eg:sudo kill-9 ' ps-elf |grep-v grep|grep $1|awk ' {print $4} ' 1>/dev/null 2>/dev/null The result of the command can be defined in the form of a%> output/dev/null represents an empty device file Where does the > delegate redirect to, for example: echo

Today in one of their technical group was asked such a question, and then the popular explanation, make a record, we see whether the explanation is clear! The shell may often see: >/dev/null 2>1 The results of the command can be defined in% > to define the output Decompose this combination: ">/dev/null 2>1" is part of five. Where 1:> represent redirects, such as echo "123" >/home/123.txt 2:/

/dev/null : Represents an empty device file> : Where does the delegate redirect to, for example: echo "123" >/home/123.txt1 : Indicates stdout standard output, system default is 1, so ">/dev/null" is equivalent to "1>/dev/null"2 : indicates stderr standard error : Means equal to, 2>1, 2 output redirect equals 11. Prohibit standard output>/

I summarized the error before creating an ASM Disk: http://blog.csdn.net/rhys_oracle/article/details/17029333 This is the case today. As follows: When you use openfiler to map to a local disk through iSCSI, the following error occurs when you create the entire disk as ASM: [[emailprotected] iscsi]# /etc/init.d/oracleasm createdisk VOL1 /dev/sdhMarking disk "VOL1" as an ASM disk: [FAILED][[emailprotected] iscsi]# tail -5 /var/log/oracleasm Cleanin

In my recent project, I need to use JNI to call C/C ++ compiled programs. Since I was not familiar with JNI, I found many of them on the Internet are implemented based on the VC or vs2008 series. In this way, it is very troublesome to install hundreds of megabytes of VC or several GB of vs for a simple call, because I have been using Dev C ++ for C Development (this Dev is very compact and powerful, but it

/dev/null fileIf you want to execute a command, but you do not want the output to appear on the screen, you can redirect the output to/dev/null:>/dev/null /dev/null is a special file, and the content written to it is discarded, and if you try to read from the file, nothing is read. However, the/

Ready to work: 1>dev-c++ 5.10 Version System Win Xp/win 72> Download Ege Graphics library "Ege-13.04.02-full"!, for information on the dev-c++ of this configuration, see:Now start the configuration:1, unzip "Ege-13.04.02-full" to any folder, such as C:/ege2, there is an "include" folder in the extracted file. There is a "Ege" folder in the folder and two. H files are copied down.　3, copy the files in the In

A few days ago, the hands of the cheap, accidentally deleted/usr. So carved a BACKTRACK3 boot disk, go into the system backup.I mounted the home with mount/dev/sda6/mnt/home and then tar cf/mnt/usb0/bak.tar/mnt/home back up.After the backup, I backtrack3 in the virtual directory around, suddenly, I found/media directory also has a home folder, open a look, found and/mnt/home exactly the same!Originally, the/MNT directory holds the hardware that is mou

The shell may often see: >/dev/null 2>1 Eg:sudo kill-9 ' ps-elf |grep-v grep|grep $1|awk ' {print $} ' 1>/dev/null 2>/dev/null The result of the command can be defined as the output in the form of%> /dev/null represents empty device files > represents where to redirect, for example: echo "123" >/home/123.txt1 indic