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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

理解和配置 Linux 下的 OOM Killerhow-to-configure-the-linux-oom-killer最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最...
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How to determine whether a given Linux is 32 bit or 64 bit?

...=> 64-bit kernel i686 ==> 32-bit kernel Otherwise, not for the Linux kernel, but for the CPU, you type: cat /proc/cpuinfo or: grep flags /proc/cpuinfo Under "flags" parameter, you will see various values: see "What do the flags in /proc/cpuinfo mean?" Among them, one is named lm: L...
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Extract file name from path, no matter what the os/path format

...as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail. Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (which is equivalent to os.path when running on...
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How do I mount a remote Linux folder in Windows through SSH? [closed]

...en reader and an ssh session. I was wondering if it is possible to mount a Linux folder over ssh so it appears as a windows drive? This way I could edit any files I needed to with accessible software and not have to constantly use SCP to send files back and fourth. ...
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What is difference between monolithic and micro kernel?

... invoke functions directly. Examples of monolithic kernel based OSs: Unix, Linux. In microkernels, the kernel is broken down into separate processes, known as servers. Some of the servers run in kernel space and some run in user-space. All servers are kept separate and run in different address spac...
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...以忽略。 正则表达式到底是什么东西? 字符是计算机软件处理文字时最基本的单位,可能是字母,数字,标点符号,空格,换行符,汉字等等。字符串是0个或更多个字符的序列。文本也就是文字,字符串。说某个字符串匹配...
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BLE(一)概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区,...

...个人信息到该设备。现在市场上已经出现了很多Bluejacking软件。可以通过把手机设置成不可发现模式来避免此类攻击。
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How do I get the path of a process in Unix / Linux

... the path which is running a process. Is there something similar in Unix / Linux? 11 Answers ...
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Changing default shell in Linux [closed]

... Try linux command chsh. The detailed command is chsh -s /bin/bash. It will prompt you to enter your password. Your default login shell is /bin/bash now. You must log out and log back in to see this change. The following is quot...
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How do I find the location of the executable in C? [duplicate]

...aight and realiable way is to: readlink("/proc/self/exe", buf, bufsize) (Linux) readlink("/proc/curproc/file", buf, bufsize) (FreeBSD) readlink("/proc/self/path/a.out", buf, bufsize) (Solaris) On Unixes without /proc (i.e. if above fails): If argv[0] starts with "/" (absolute path) this is the ...