Use the installation disk or image to enter the Linux Trial Mode
1,Select Ubuntu for trial and go to the desktop,2,Check the disk on which your Linux instance is installed, and then check the disk drive letter, fdisk-L. For example, my Linux
VPN is mainly used to solve two problems:1. Mutual access between different network segments, such as accessing the Intranet from the Internet or from one Intranet to another.2. Network shielding. Access some websites that cannot be accessed through
In fact, when I first came into contact with Linux, I was in college. When I was a junior, the school opened a course named "design of arm9-embedded system". Although the school opened this course, however, I went to class for a few times. So when I
Search for Memory leakage in Linux
The principle is to provide your own malloc and free versions. Use Dynamic Links instead of glib's malloc and free.
Detailed Principle
Http://www-128.ibm.com/developerworks/linux/library/l-memory/
Google
Basically all LinuxWhen starting the system, the release mounts partitions according to the configuration of the/etc/fstab file. In/etc/fstab, the mount parameters are also different for partitions in different formats, and the results are different
I have some experiences in project stress testing at work. Let's make a summary first!
(1) Combination of macro and micro(1) at the macro level, it refers to some key performance indicators of the system, such as the percentage of CPU occupied by
The main command provided by the sysstat Toolkit: iostat mpstat SAR
The last two parameters of SAR are generally interval count.
1. Sar-u 1 5CPU usage statistics are output once per second. A total of 100 CPU usage statistics are output.17: 06
The first time I learned about lliux, I did not know how to solve the environment variables. It took me a morning to sum up the environment variables! If you have more detailed insights, please let us know!Customized Environment
Type discovery
GCC allows you to identify types by referencing variables. This operation supports generic programming. Similar functions can be found in many modern programming languages, such as C ++, Ada, and Java & #8482. Linux uses typeof to
Today, someone asked me how to check my QT and Linux kernel versions. Suddenly I felt overwhelmed and did not reflect it. I couldn't think of a very skilled operation command in the past, so I tried several commands to succeed. Summary:
The command
Development Environment: ubantu11.04 arm-linux-gcc-4.3.2 ok6410 Development Board busybox-1.10.3.tar
Create the root file system:
1, install the libncurses5-dev, this library provides a text menu interface if not installed can not enter the
The implementation steps are as follows:1. Change the module alias in the/etc/modprobe. conf file.For example, alias eth0 pcnet32
Change to alias LAN pcnet32
2. Change the name of the NIC configuration file to
In addition to troubleshooting hardware faults, firmware versions, bios, and other issues, Linux crashes may encounter the following situations:1. If there are messy characters on the console when your Linux server crashes. Congratulations, this
Start the boot program configuration fileLILO/etc/Lilo. confGrub/boot/GRUB/menu. lst
System Startup File core scriptMaster startup control file/etc/inittabSysv STARTUP script location/etc/init. d,/etc/rc. d/init. d or/etc/rc. dLocation of the sysv
For Linux Ubuntu, you can install software online without downloading...
MySQL installation example:
First, enter sudo apt-Get install mysql-server on the terminal.
The following additional software packages will be installed:Libdbd-mysql-perl
1. Run the following command with the root user:
[Root @ localhost ~] # Fdisk-l
Disk/dev/SDA: 10.7 GB, 10737418240 bytes255 heads, 63 sectors/track, 1305 CylindersUnits = cylinders of 16065*512 = 8225280 bytes
Device boot start end blocks ID
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