Linux

Looking for a lot of blogs on the internet looking at the dizziness of each step finally kung fu is finally installed so that we can organize and share a bit1> #yum remove MySQL mysql-*//Uninstall the original version of MySQL2>#yum install-y

Environment: Rhel6.5 mysql5.61. Download the yum source for MySQL, address http://dev.mysql.com/downloads/repo/yum/650) this.width=650; "src=" http://s2.51cto.com/wyfs02/M00/79/47/wKiom1aNL96yZE3bAAJ77V-Ibkc700.jpg "title=" 1.jpg " Width= "720"

1.To install Git:sudo apt-get install Git-core Git-gui git-doc2. To https://github.com/to register an account, in a moment when the client login to use.3.Installing SSH Key on the client is convenient for us to login securely on the client:CD

as the company's Internet router needs to implement the functions of NAT address translation, DHCP, DNS caching, traffic control, application program management, NAT address translation through Iptables can be directly implemented, the DHCP service

Principle of program locality:Spatial locality:Time locality:NUMA: Non-conforming memory accessReduced Cache HitsCPU Affinity BindingCaching mechanism: write- through, write-backIO devices:Device controller (adapter) and device itselfController: A

1. On Linux, set the IP address and other information on the Ifcfg-eth0Detailed configuration information is as follows[[email protected] Desktop]

/bin is used to store commands that ordinary users can execute./boot is used to store the files necessary for Linux boot, that is, the contents of the boot partition we created./dev The device files used to store the system./etc is used to store

1 Download Erlang installation package2 Unpacking the installation package: The downloaded installation package is a compressed GZ format, which is extracted under Linux with the system's own tar tool and executes the command in the directory where

Linux system fault Handling ideas:1. Error notification information2. Analyzing log files3, the reason of locating fault4. Handling faults and solving problemsThe Linux system failed to boot:1, file system destruction, is generally the root

Reference documentsHttp://www.cnblogs.com/darkmatter/p/3605674.htmlThere is a tool called Iperf under Linux. You can test network performance. Also known as the bandwidth or throughput test, which is used to test the maximum transfer rate between

Man Insmod:INSMOD (8) INSMOD INSMOD (8)NAMEInsmod-simple program to insert a module into the Linux KernelSynopsisinsmod [filename] [module Options ...]DESCRIPTIONInsmod is a trivial program to insert a module into the kernel. Most users would want

Command format:gzip [options] file or directory Command function:Compress or decompress a file common options:      -F   forcibly compress or decompress, ignoring the existence of a file name or a hard connection and whether the file

Linux has a lot of great tools, we can in the normal use, can be used to view the source of the way to learn it. Here's an example of uptime. 1. first, we need to check which package the uptime is provided by#rpm-QF $ (which uptime)Procps-3.2.8-33.0.

Control Services and Daemons1. Auto-start System processsystem startup and server processes are managed by the SYSTEMD system and service Manager. This program provides a way to activate system resources, Server daemons, and other processes on

SED commandRow-based operations to replace, delete, add, and stdin dataThe parameters are as follows-N Quiet mode. By default, sed outputs all content, including modified and unmodified content. Use-n will only output the modified line of content.-R

Boot upStart-up should be our very frequent needs, we often need to automatically execute certain commands at boot to open the service, process, etc., with it we do not have to enter the same heap every time the command. Chkconfig commandUse the

How to install WebLogic12c in LinuxInstall JDK 1. log on to the server using SSH as the root account. 2, enter the directory to store the JDK installation package: # cd/home/JDK3, tar package installation: # tar xzvf

[Switch] linux shell and linuxshell 1. Before using keep CT, install two rpm packages first, download: http://download.csdn.net/detail/wang7dao/4416172# Rpm-ihv expect-5.43.0-8.el5.i386.rpm# Rpm-ihv expect-devel-5.43.0-8.el5.i386.rpm2. Use an

Some minor optimizations (Continuous updates) of nginx (tengine), nginxtengine1. nginx log cutting script Source of demand: nginx does not have the log cutting function, and it is difficult to analyze the large logs generated by access. Objective:

Deployment and configuration of Smokeping monitoring and deployment of smokeping monitoring For installation instructions, see:Https://github.com/oetiker/SmokePing/blob/master/doc/smokeping_install.pod1 Smokeping 2 3 **** General *** 4 5 owner =