Linux: Ubuntu Quick notes (2)

Date written: 2016-7-3 18:20:39

Basic content includes: Flash player install, compile and install PHP, write a simple PHP program, java program (Java need to use "Javac" command compiled to execute)

First, the installation of PHP, Flash Player, simple PHP program written

1. Install Flash Player

①, practice using the apt-get method to install:

Execute first:sudo apt-get Update (updated to ensure our software source is up to date)

Re-execute:apt-cache search Flash

Final installation:sudo apt-get install Flashplugin-installer

②,grep command powerful text Search tool in Linux, search in text

Enter a keyword in the (text) file, and then grep the keyword file name

③, "|" The function of the symbol:

[Email protected]:~/file$ ls
comtest.tar.gz test.abc test.asp test.c test.php
[email protected]:~/file$ ls | grep php
Test. PHP

apt-cache Search Flash | grep "^flash" (Regular expressions search for software sources at the beginning of Flash) simply enumerate the results from the beginning of "Flash"

(sudo) apt-get install * * * Y (default installation)

2. Compile and install PHP

Php.net PHP official website after download compile install

www.mysql.com MySQL website download compile and install (about 2 hours)

(A good computer configuration is required to perform the compilation installation)

( later software is best to look for the official website to download, if really do not know to go to Baidu search )

Compile and install generally three steps: Pre-compilation, compile-and-execute installation

CMake (precompiled), make (compile), make install (perform installation)

Note: Ensure that the installed directory has permissions, such as can be placed under the/usr/local/directory. To understand the principle, to find out the details, often error is in some details ~

MySQL configuration file is very important!

Start MySQL Mysqld_safe is a script file, how to execute mysqld, so need to go to execute mysql_safe, do not go directly to execute mysqld

./mysqld--verbose--help | grep CNF

External to the HTTP protocol, not the socket protocol

PS-EF | grep * * View the process named * *

directory/mysql-u root-p (enter password) use the root user to log in to MySQL to change the password

Modified use command: directory/mysql-u root-p password (-p and password without spaces )

3. Simple PHP Program

Second, memcached installation (cache system)

Official website: memcached.org Select the current stable version

Memcached is a cache system

Install dependencies First: sudo apt-get install libevent-dev-y

command-line download installation :

wget http://memcached.org/latest ( not available ) + = After downloading, locate the folder where you

TAR-ZXVF memcached-1.x.x.tar.gz (Unzip)

CD memcached-1.x.x (Open Directory)

./configure--prefix=/usr/local/memcached (Configuration Installation path-precompilation)

make (compile), sudo make install (perform installation)

Run:/usr/local/memcached/bin/memcached-d-M 512-u USERName -L 127.0.0.1-p 11211-c 1024-p/usr/local/memcache D/memcached.pid

View Process: Ps-ef | grep memcached

Set the cache:

Telnet 127.0.0.1 11211

Set name 0 20 6

USERName

Enter will output: STORED

Get Name

The carriage return will output the message name below:

VALUE Name 0 8
USERname
END

Encountered an error:

Client_error Bad Data chunk

is because

Set name 0 6

USERName

The color of the data mismatch caused,USERName is 8 characters, but set name is 6 , change the same!

Set name 0 20 8

USERName

Can!!!

Last update: 2016-7-3 22:46:41

Linux: Ubuntu Quick notes (2)