"Original link": http://blog.csdn.net/tianlesoftware/article/details/5642883
Install the virtual machine space is small, then added 5G space, toss a half-day, hang up. Tidy up a note, spare.
1. Add disk to view disk status
[ROOT@DB1/]#
Such a scenario, we have a server, but want to hang multiple sites, then Apache configuration virtual host can meet this demand;
It is simpler to configure the following configuration steps based on the host name:
Sample Environment
ip:115.28.17.191
Such a scenario, we have a server, but want to hang multiple sites, then Apache configuration virtual host can meet this demand;
It is simpler to configure the following configuration steps based on the host name:
Sample Environment
ip:115.28.17.191
1. What is a regular expressionWhen doing a word processing or writing a program, use the
Find, replaceand other functions,
use regular expressions to achieve goals quickly and easily。 In simple terms, regular expressions help with some special
1 Preface
By default, the Ubuntu system is not installed kernel source (only header files). This can be verified by looking at the /usr/src directory, as shown in the following illustration:
This is not easy to write drivers, so it is best to
Problem Description:
Using Qtcreator on Linux for debug time:
Click Start Debugging to debug the run to produce the following error message:"Ptrace:operation not permitted."Could not attach to the process. Make sure No. debugger traces this
Platform: Zynq-7010 Core: Linux3.14.52 Xilinx official website CAN Drive Related: http://www.wiki.xilinx.com/Linux+CAN+driver
1, the kernel open can bus: 1 into the kernel source top directory cd/opt/hzzd/linux/linux-xlnx-xilinx-v2014.2.01/2) make
Under Linux, the latest version of the R-source installation will encounter multiple error warning, many times you will choose to ignore and complete the installation, but in use, in some problems will appear unexpected problems. Now tidy up the
Main reference kernel documents and red Hat documents to> Cat/proc/meminfo read out the kernel information to explain,The next article is a simple analysis of the code that reads the information.
memtotal:507480 KBmemfree:1
Linux provides 2 powerful file/text finder Find,grep, below for a brief introduction;
Find File Lookup toolFind tool is a powerful file finder, you can use regular expressions for file lookup, the general instruction format is as follows:
1
Dir
Sometimes you need to view a process in Linux that uses that port, but only the approximate name of the process, such as to see which port the Namenode of Hadoop runs on, to connect in eclipse. One method is as follows, may compare rubs, please the
Merge command view: SVN--help
SVN merge--help
[svn@svnpreapp02 svntest]$ svn merge--help merge:apply The differences between the two to a sources copy path. Usage:1. Merge Sourceurl1[@n] sourceurl2[@m] [Wcpath] 2. Merge Sourcewcpath1@n sourcewcpath2
Chapter One: Generating a process (processes)
What the process is. Simply put, a process is a program in execution state (including CPU state, state of memory, etc.)
The a process generates a B process, which means that the a program generates
First, in order to reload the Cuda, the Linux interface features disabled, the installation is successful and then re-enabled, but the discovery has been stuck in the login interface can not jump out ... Read a lot of suggestions on the Internet,
1.top Description
The top command enables real-time monitoring of the system's state of operation and can be sorted by CPU, memory, and execution time, while the top command can be set by an interactive command, with the top command to view the
Reference article link: http://www.jianshu.com/p/2eebd6ad284d
Since taking part in the electronic design competition has always wanted to learn more about the embedded knowledge, but their own learning without direction, until recently participated
If the brain residue, the system/boot partition of the contents of all deleted, but do not want to reinstall the system, you can use the Linux rescue mode to restore the boot partition.
The following experimental platform is CentOS 6.2.
Root User
The project needs to be packaged but just use the right key to the solution-"clean up, it is not clean."
Use this script instantly clean, useless folders can be manually deleted.
Copy Paste as Clean.bat file, copied to the engineering root directory,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service