Recently learned Linux memory synchronization for the memory grid-related content, here to tidy up in order to avoid later right to forget.
There are three kinds of Linux memory grids, read, write, data read dependent grid. The reading grid is used
Linux Installation NVM
curl-o-https://raw.githubusercontent.com/creationix/nvm/v0.31.1/install.sh | Bash
Or
wget-qo-https://raw.githubusercontent.com/creationix/nvm/v0.31.1/install.sh | Bash
And then
SOURCE ~/.BASHRC
Installing node
NVM Install
10.34-10.35 System Log and screen
The log records the various things that happen to the system every day, and you can check the log to see why the error occurred. Or the traces that were left when they were attacked.
/var/log/messages is the core
Today you need to install MySQL on a Linux server, and when you install MySQL, there is an error message:
[Root@localhost softwaretools]# RPM-IVH mysql-server-5.5.23-1.rhel5.x86_64.rpmPreparing ... ########################################### [100%]1:
When we log on to the Linux server to run the program, if the link server SSH terminal disconnected, the server program will often be broken.
The general workaround is to have a command followed by A & background run, or use the Nohup command.
In
Linux terminals, there is no Windows search as easy to use the graphical interface tool, but find command is very powerful.
For example, by name to find a file, you can use found/-name targetfilename. Alas, if you only know the name, do not know
The SMARTBI itself needs to be deployed to the application server. Install directly on Windows using the official website installation package next.
However, you need to install the application server manually on Linux and then deploy the SMARTBI to
Editor: Linux boot default logo is a cute little penguin. Here we can replace it with our own favorite picture, as long as the linux-2.6.32.2/drivers/video/logo/linux_logo_clut224.ppm replaced with their own pictures can be. The method is very
Https://www.cnblogs.com/sunss/archive/2010/09/09/1822299.html
To test the hardware information of the machine:
# Cat/proc/cpuinfo | grep name | Cut-f2-d: | Uniq-c
8 Intel (R) Xeon (r) CPU E5410
View CPU Information (model) (see 8
To modify the network card command:
Ifconfig eth0 192.168.0.3 netmask 255.255.255.0⚠️ temporarily modify IP effective, if you want to restart after still effective, you can modify the network card configuration file.
To reboot the network card
Ulimit-a print all states, want to change can use Ulimit [-soperation_name] [value] to modify (too much online tutorials, not one), but the modified value will only apply to the current session and its derivative sessions.
If you want to
1, center
(1) Modify the Fb_show_logo_line function in the source/DRIVER/VIDEO/FBMEM.C
-image.dx=0;
-image.dy=y; +IMAGE.DX = (INFO->VAR.XRES/2)-(IMAGE.WIDTH/2); +image.dy = (INFO->VAR.YRES/2)-(IMAGE.HEIGHT/2);
Image.width =
The use of nohup is very convenient, just add nohup before the command to be processed, standard output and standard error lack the capital is redirected to Nohup.out file. In general, we can add "&" at the end to run the command in the background,
①unix development history and release versionHttp://www.oracle.com/technetwork/cn/server-storage/solaris10/downloads/index.html②linux development history and release versionLinux Kernel official website www.kernel.org③ Open Source Software
The purpose of this experiment is to optimize the performance of the middleware for the two-time WebSphere internal anatomy.1. Prepare relevant documentswhichThe ISO file is the was primary image file (the location of the was file)Instalmgr
2018-07-2917:13:18①vmware Virtual machine installation and useThere is no longer much to explain here.② system Partition1, disk partition: The primary partition up to 4, the extended partition up to 1, the main plus extended partition up to 4.
"The command is not for remembering, practice!" Practice! Practice! The more you practice, the more it becomes your instinct to react.
/ETC/PASSWD store the relevant properties for each userAdd User[email protected]/]# useradd XWJTo set
"Lectures to keep the maximum input, share the communication to maintain maximum output"
Does the server choose Soft raid or hard raid? Should choose hard raid, soft raid a layer of software, performance is limited to a certain
LinuxDevelopment interface Standard:Abi:application Binary InterfaceThe ABI describes the underlying interface between the application and the OS, allowing the compiled target code to run without changes in the ABI-compatible systemApi:application
I. Catalogue
pwd display of course directory
LS Displays the file (clip) in the current directory
ll or ls-l detailed display of the file (clip) information in the current directory
CD.. Return
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