前言: 本地机器安装出现错误一直未解决 中,望路过的大侠指点,错误如下1、scons all提示以下错误/usr/local/include/pcrecpp.h
前言:
本地机器安装出现错误一直未解决 中,望路过的大侠指点,错误如下
1、scons all提示以下错误
/usr/local/include/pcrecpp.h:493: undefined reference to `pcrecpp::RE::no_arg' #已加pcre库路径
/usr/local/include/boost/thread/tss.hpp:105: undefined reference to `boost::detail::set_tss_data(void const*, boost::shared_ptr
2、yum安装成功,启动报错误(pcretest -C执行有“UTF-8 support Unicode properties support”)
[root@localhost ~]# cat /var/log/mongodb/mongodb.log
/usr/bin/mongod: symbol lookup error: /usr/bin/mongod: undefined symbol: _ZN7pcrecpp2RE4InitEPKcPKNS_10RE_OptionsE
3、本来想升级boost-devel,提示
yum install 提示“No package boost-devel available.”
安装步骤:
安装epel
wget
rpm -ivh epel-release-5-4.noarch.rpm
安装pcre库
wget
wget
tar zxf pcre-8.12.tar.gz
cd pcre-8.12
./configure --enable-utf8 --enable-unicode-properties
./configure --prefix=/usr/local/pcre --enable-utf8 --enable-unicode-properties
make
make install
cp /usr/local/pcre/include/* /usr/include/
echo '/usr/local/pcre/lib' >> /etc/ld.so.conf
ldconfig
安装scons
wget
tar zxvf scons-2.1.0.alpha.20101125.tar.gz
cd scons-2.1.0.alpha.20101125
python setup.py install
安装依赖库
yum install pcre pcre-devel
yum install scons boost boost-devel
yum install libpcre++-dev libboost-dev
安装js库
wget
tar zxvf js-1.7.0.tar.gz
cd js/src/
export CFLAGS="-DJS_C_STRINGS_ARE_UTF8"
make -f Makefile.ref
JS_DIST=/usr gmake -f Makefile.ref export
安装mongodb
wget
tar zxvf mongodb-src-r1.8.1.tar.gz
cd mongodb-src-r1.8.1
vi /etc/ld.so.conf
echo '/usr/local/pcre/lib' >> /etc/ld.so.conf
ldconfig
vi /etc/profile
export LD_LIBRARY_PATH=/usr/local/pcre/lib
export PATH="$PATH:/usr/local/pcre/lib"
vi SConstruct
搜索
"linux2" == os.sys.platform
env.Append( LIBPATH=["/usr/lib64" , "/lib64","/usr/local/pcre/lib" ] ) #指定pcre的lib,,再报错直接env.Append( LIBPATH=[ "/usr/local/pcre/lib" ] )
env.Append( LIBS=["pthread"] )
env.Append( LIBS=["libpcrecpp"] ) #指定pcrecpp库名
scons all
scons --prefix=/usr/local/mongodb --full install
mkdir -p /usr/local/mongodb/etc /usr/local/mongodb/data /usr/local/mongodb/log/ /usr/local/mongodb/repair
vi /usr/local/mongodb/etc/mongodb.conf
dbpath = /usr/local/mongodb/data
logpath = /usr/local/mongodb/mongodb.log
repairpath = /usr/local/mongodb/repair
pidfilepath = /usr/local/mongodb/mongodb.pid
directoryperdb = true #一数据库使用一目录
logappend = true
bind_ip = 192.168.1.36
port = 27017
auth = true
maxConns = 1024
fork = true
rest = true
quota = true
quotaFiles = 1024
nssize = 16
master = true
slave = true
source = master.example.com

MySQL is suitable for beginners to learn database skills. 1. Install MySQL server and client tools. 2. Understand basic SQL queries, such as SELECT. 3. Master data operations: create tables, insert, update, and delete data. 4. Learn advanced skills: subquery and window functions. 5. Debugging and optimization: Check syntax, use indexes, avoid SELECT*, and use LIMIT.

MySQL efficiently manages structured data through table structure and SQL query, and implements inter-table relationships through foreign keys. 1. Define the data format and type when creating a table. 2. Use foreign keys to establish relationships between tables. 3. Improve performance through indexing and query optimization. 4. Regularly backup and monitor databases to ensure data security and performance optimization.

MySQL is an open source relational database management system that is widely used in Web development. Its key features include: 1. Supports multiple storage engines, such as InnoDB and MyISAM, suitable for different scenarios; 2. Provides master-slave replication functions to facilitate load balancing and data backup; 3. Improve query efficiency through query optimization and index use.

SQL is used to interact with MySQL database to realize data addition, deletion, modification, inspection and database design. 1) SQL performs data operations through SELECT, INSERT, UPDATE, DELETE statements; 2) Use CREATE, ALTER, DROP statements for database design and management; 3) Complex queries and data analysis are implemented through SQL to improve business decision-making efficiency.

The basic operations of MySQL include creating databases, tables, and using SQL to perform CRUD operations on data. 1. Create a database: CREATEDATABASEmy_first_db; 2. Create a table: CREATETABLEbooks(idINTAUTO_INCREMENTPRIMARYKEY, titleVARCHAR(100)NOTNULL, authorVARCHAR(100)NOTNULL, published_yearINT); 3. Insert data: INSERTINTObooks(title, author, published_year)VA

The main role of MySQL in web applications is to store and manage data. 1.MySQL efficiently processes user information, product catalogs, transaction records and other data. 2. Through SQL query, developers can extract information from the database to generate dynamic content. 3.MySQL works based on the client-server model to ensure acceptable query speed.

The steps to build a MySQL database include: 1. Create a database and table, 2. Insert data, and 3. Conduct queries. First, use the CREATEDATABASE and CREATETABLE statements to create the database and table, then use the INSERTINTO statement to insert the data, and finally use the SELECT statement to query the data.

MySQL is suitable for beginners because it is easy to use and powerful. 1.MySQL is a relational database, and uses SQL for CRUD operations. 2. It is simple to install and requires the root user password to be configured. 3. Use INSERT, UPDATE, DELETE, and SELECT to perform data operations. 4. ORDERBY, WHERE and JOIN can be used for complex queries. 5. Debugging requires checking the syntax and use EXPLAIN to analyze the query. 6. Optimization suggestions include using indexes, choosing the right data type and good programming habits.


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