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解决：error while loading shared libraries: libpcre.so.1: cannot open ...
...件的位置（可以使用命令 whereis xxx ），并把目录添加到/etc/ld.so.conf.d/libc.conf中，没有则新建这个文件。然后再运行ldconfig才可以生效。
解决：用以下shell命令解决：（用root用户）
echo "/usr/local/lib" >> /etc/ld.so.conf.d/libc.conf
sudo...
Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
历史命令默认会保存1000条，如果觉得太少，可以修改/etc/profile中HISTSIZE=1000，改成你想要的值。
注意：history只针对登录用户下执行有效，即使root用户也无法得到其它用户histotry历史。当然，还是有办法记录所有登陆用户的...
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
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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....
What is the benefit of using $() instead of backticks in shell scripts?
...n risk, and vote contributions according to helpfulness, technical merits, etc.
– chrstphrchvz
Feb 11 '17 at 0:23
10
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Apache Prefork vs Worker MPM
...te easily.
The setting for prefork, worker, or event is set in sudo nano /etc/httpd/conf.modules.d/00-mpm.conf (for CentOS 6.x/7.x/Apache 2.4).
# Select the MPM module which should be used by uncommenting exactly
# one of the following LoadModule lines:
# prefork MPM: Implements a non-threaded, p...
How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
...ase you're actually using a normal Java EE server such as WildFly, Payara, etc instead of a barebones servletcontainer such as Tomcat, Jetty, etc, then you don't need to explicitly install JSTL at all. Normal Java EE servers already provide JSTL out the box. In other words, you don't need to add JST...
Using Emacs as an IDE
...t Environment for many languages - C/C++, Java, Perl, Lisp/Scheme, Erlang, etc...
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Difference between CPPFLAGS and CXXFLAGS in GNU Make
...the CFLAGS flag get passed to C++ compile lines? Sometimes. Not always. Etc, etc, etc.
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