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Error installing mysql2: Failed to build gem native extension
I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error:
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Export and Import all MySQL databases at one time
I want to keep a backup of all my MySQL databases. I have more than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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#改变暂存区的修改（其实是重置HEAD，将指定版本库的内容状态去覆盖暂存区，从而达到暂存区的改变）
git reset <file> #从暂存区恢复到工作区（不指定版本id，则默认为最后一次提交的版本id）
git r...
How to create a database from shell command?
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cat filename.sql | mysql -u username -p # type mysql password when asked for it
Where filename.sql holds all the sql to create your database. Or...
echo "create database `database-name`" | mysql -u username -p
If you really only want to cr...
How do I import an SQL file using the command line in MySQL?
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Try:
mysql -u username -p database_name < file.sql
Check MySQL Options.
Note-1: It is better to use the full path of the SQL file file.sql.
Note-2: Use -R and --triggers to keep the routines and triggers of original databas...
grant remote access of MySQL database from any IP address
...nd grants for both localhost and network access. And, of course, be sure mysqld is bound to 0.0.0.0 vs. 127.0.0.1.
– Charlie Reitzel
Aug 8 '19 at 18:41
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How do I find out my MySQL URL, host, port and username?
I need to find my MySQL username. When I open the MySQL command line client, it only asks me for my password. I don't remember my username. And for connectivity with JDBC, I need the URL, host and port number. Where do I find all of these?
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ecting.
2.1验证一下
[root@gfs_2 ~]# ssh gfs_1 date 没有输入密码直接出来结果，互信配置完毕
2015年 12月 14日 星期一 23:48:18 CST
2.2配置yum 阿里源
1．卸载自带的源
rpm -aq | grep yum | xargs rpm -e --nodeps
安装阿里源
rpm -ivh http...
How to get a list of user accounts using the command line in MySQL?
I'm using the MySQL command line utility and can navigate through a database. Now I need to see a list of user accounts. How can I do this?
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Is there a way to only install the mysql client (Linux)?
Are there are any Linux mysql command line tools that don't require the entire mysql db installation package to be installed?
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