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<!DOCTYPE html>
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moloach的博客 | moloach's Blog
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<div class="post-preview">
<a href="/2021/01/07/memory-glance/">
<h2 class="post-title">
linux 内存模型
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
linux 内存模型
reference:现在的 Linux 内核和 Linux 2.6 的内核有多大区别？ - larmbr宇的回答 - 知乎linux内存管理（详解）20 张图揭开「内存管理」的迷雾，瞬间豁然开朗 - 小林coding的文章 - 知乎浅谈Linux内存管理 - lecury的文章 - 知乎
概述：内存管理子系统，作为 kernel 核心中的核心，是承接所有系统活动的舞台......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2021-01-07
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2020/03/13/ceph-management/">
<h2 class="post-title">
ceph 管理文档
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
ceph管理文档本文档是ceph集群的管理文档，记录常见的命令、运维指令以及相关管理的内容
书籍
集群命令说明12345678910111213141516171819202122232425# 查看池中的对象rados df#查看RADOS池：rados lspools# 显示池数量ceph osd lspools#集群状态ceph status# 查看ceph集群的详细信息ceph he......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2020-03-13
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/11/04/computer-basic/">
<h2 class="post-title">
计算机进程、线程
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
进程拥有资源和独立运行的基本单位。可以使用fork来衍生新进程，衍生的新进程称之为子进程，会获得父进程的数据段、堆和栈的副本，进程间的副本都是独立的，进程内的副本的修改对其他父进程或者兄弟进程不可见。
标识把进程的优先级、状态、虚拟地址范围以及各种访问权限保存到进程描述符中
PID（进程ID）
PPID（父进程ID）PID单调递增，当达到最大值时，重新开始查找可以使用的ID
状态
可运行......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-11-04
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/09/27/jstack/">
<h2 class="post-title">
jstack 简介
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
导出java程序的堆栈信息到文件中jstack -F <pid> > <pid>.stack
https://www.jianshu.com/p/6690f7e92f27
一、线程5种状态
新建状态（New） 新创建了一个线程对象。
就绪状态（Runnable） 线程对象创建后，其他线程调用了该对象的start()方法。该状态的线程位于可运行线程池中，变......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-09-27
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/04/20/proxy/">
<h2 class="post-title">
proxy setting
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
常见软件代理设置为了网络安全，在公司内网中一般是不能直连互联网，一般会通过一些代理的方式来访问外网。
常见软件一般都是通过http代理来访问
windowscmd123456#设置代理 （只针对当前terminal有效）set http_proxy=http://xxx.xxx.xxx.xxx:xxxset https_proxy=http://xxx.xxx.xxx.xxx:xxx#取消代......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-04-20
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/03/26/Cheatsheet/">
<h2 class="post-title">
Quick SQL Cheatsheet
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
Quick SQL CheatsheetA quick reminder of all relevant SQL queries and examples on how to use them.
Table of Contents
Finding Data Queries.
Data Modification Queries.
Reporting Queries.
Join ......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-03-26
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/03/18/linuxCommand/">
<h2 class="post-title">
linuxCommand
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
常用linux命令12345678# 目录下的文件个数find . | wc -l #大于某个值的文件个数find . -size +3K | wc -l#看文件夹大小（一层）du -h -d 1
linux tail命令的使用方法详解linux tail命令用途是依照要求将指定的文件的最后部分输出到标准设备，通常是终端，通俗讲来，就是把某个档案文件的最后几行显示到终端上，假设该档案有更新，......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-03-18
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/03/15/docker/">
<h2 class="post-title">
docker
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
安装12345sudo yum install dockersudo apt install docker-ce#可把普通用户添加到docker用户组来避免使用`sudo`权限
常用命令123456789101112131415161718192021222324252627282930313233343536373839404142434445# 创建并运行新的镜像（命令）docker r......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-03-15
</p>
</div>
<hr>
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<a href="/2019/03/15/Kubernetes/">
<h2 class="post-title">
Kubernetes
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
什么是Kubernetes？Kubernetes（简称k8s，命名由来是因为k与s中间有8个字母）是Google基于内部Borg开源的容器编排引擎，它支持自动化部署、大规模可伸缩、应用容器化管理。我们在完成一个应用程序的开发时，需要冗余部署该应用的多个实例，同时需要支持对应用的请求进行负载均衡，在Kubernetes中，我们可以把这个应用的多个实例分别启动一个容器，每个容器里面运行一个应用实......
</div>
</a>
<p class="post-meta">
Posted by moloach on
2019-03-15
</p>
</div>
<hr>
<div class="post-preview">
<a href="/2019/03/13/ceph-RADOS/">
<h2 class="post-title">
ceph RADOS
</h2>
<h3 class="post-subtitle">
</h3>
<div class="post-content-preview">
Ceph RADOSRADOS是Ceph存储系统的核心，也称为Ceph存储集群。Ceph的所有优秀特性都是由RADOS提供的，包括分布式对象存储、高可用性、高可靠性、没有单点故障、自我修复以及自我管理等。因此，RADOS层在Ceph存储架构中扮演着举足轻重的角色。Ceph的数据访问方法（如RBD、CephFS、RADOSGW和librados）的所有操作都是在RADOS层之上构建的。
当Ce......
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</a>
<p class="post-meta">
Posted by moloach on
2019-03-13
</p>
</div>
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<p>一个很无聊的人!</p>
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