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CentOS系统下如何挂载第2块磁盘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...机器都要手动挂载。
设置开机自动挂载需要修改/etc/fstab文件
#vi /etc/fstab
在文件的最后增加一行
/dev/sdb1 /home ext3 defaults 1 2
PS：
fstab(/etc/fstab)是Linux下比较重要的配置文件，它包含了系统在启动时...
基于内网外隔离的微信推送解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
端口转发配置
安装rinetd 请自行百度
编辑配置vi /etc/rinetd.conf
启动程序
pkill rinetd ##关闭进程
rinetd -c /etc/rinetd.conf ##启动转发
把这条命令加到/etc/rc.local里面就可以开机自动运行
查看状态
netstat -antup
tomca...
Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
cd support-files/
cp my-default.cnf /var/mysql/my.cnf
cp mysql.server /etc/rc.d/init.d/mysqld
chmod +x /etc/init.d/mysqld
chkconfig --level 345 mysqld on
#初始化数据库
/usr/local/mysql/scripts/mysql_install_db \
--defaults-file=/etc/my.cnf \
--basedir=/usr/local/mysql \
--datadir...
Mac 下载安装Redis - 更多技术 - 清泛网 - 专注C/C++及内核技术
...文件以及对配置文件进行修改
sudo cp redis.conf /private/etc/
sudo vi /private/etc/redis.conf
找到daemonize 把 后面的no改成yes，不然每次启动会占用一个终端的session。
其他的配置根据需要来。我这里不啰嗦。然后 :wq 保存退出。
E....
[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术
....XXX.XXX control connection finished
于是把打开调试模式，修改/etc/ppp/pptp-options 文件，找到
#取消如下行前#
debug
#执行
service pptpd restart
取消行前的注释，重启pptpd服务进入调试模式
分析日志后发现是logwtmp版本的与pptpd版本...
正确重置MySQL密码 - 爬虫/数据库 - 清泛IT社区，为创新赋能！
...止MySQL服务，然后使用skip-grant-tables参数启动它：shell> /etc/init.d/mysql stopshell> mysqld_safe --skip-grant-tables &此时无需授权就可以进入到MySQL命令行，使用SQL重置MySQL密码：UPDATE mysql.user SET Password=PASSWORD('...') WHERE User='...' AND Host= '...
Get the IP address of the machine
...se strace ip r get 1.1.1.1 and follow the yellow brick road.
Set it with /etc/hosts
This is my recommendation if you want to stay in control
You can create an entry in /etc/hosts like
80.190.1.3 publicinterfaceip
Then you can use this alias publicinterfaceip to refer to your public interfa...
Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...Do you have to use any of the other major J2EE technologies like JMS, ESB, etc? If so, and you really can't do without, then you are again constrained to a full-blown J2EE container. Carefully think and investigate before you commit to BPM, for example, and avoid AquaLogic BPM at (almost) all cost...
The SQL OVER() clause - when and why is it useful?
... retrieve both individual OrderQty values and their sums, counts, averages etc. over groups of same SalesOrderIDs.
Here's a practical example of why windowed aggregates are great. Suppose you need to calculate what percent of a total every value is. Without windowed aggregates you'd have to first d...
How to change language settings in R
...de the file Rconsole (in my installation it is C:\Program Files\R\R-2.15.2\etc\Rconsole); this works also for the command Rscript.
For example you can locate the Rconsole file with this two commands from a command prompt:
cd \
dir Rconsole /s
The first one make the root as the current directory,...