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Eight Features You Will Not Find In The Mainline Linux 4.8 Kernel
Eight Features You Will Not Find In The Mainline linux 4.8 Kernel Written by Michael Larabel inLinux Kernel on 11 August 2016 at 11:58 AM EDT.Add A Comment The merge window forLinux 4.8 closed this...
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When BSD and Ubuntu meet on the dance floor, magic should happen
Image: Jack Wallen The tag line is quite promising: The power of FreeBSD kernel with familiarity of Ubuntu OS. On paper, it sounds like a perfect match. On one hand you have the rock-solid stability of...
View ArticleFlock to Fedora: Krakow, PL Edition
Flock , the Fedora Contributors conference held annually in August has happened again. This year the conference was in Krakow, Poland. I was one of the organizers and my employer, Red Hat, paid for my...
View ArticleUsing Solaris DTrace to track incoming TCP connections
Following on from Part 1 , we will further enhance our script to trace incoming connections through the kernel to the application. Before doing that we will tweak the script to provide a CSV output....
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CoreOS updates Kubernetes stack for enterprises
Tectonic, CoreOS's soup-to-nuts infrastructure platform for running containers , is getting upgraded with a revamped management console and improved scaling. With Tectonic, CoreOS is providing an...
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CentOS 7.x下的LEMP环境搭建
我们常说的LNMP环境是指linux/nginx/mysql/php组合，而LEMP是什么呢？其实Nginx的发音是Engine-X =...
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微软为Linux版Skype推送v1.5 Alpha更新
据外媒报道，微软又再次用行动证明了想要打通一切平台的决心。日前，这家公司为linux版Skype推出了v1.5 Alpha，除了性能提升之外还带来不小的功能变化，具体如下：支持语音短讯音频；支持mojis音频；可以关掉通知提醒音、信息提醒；可以禁用将UR拖动到Skype的功能；Tray下的当前状态图表尺寸得到改善。...
View Article使用httpclient抓取时，netstat 发现很多time_wait连接
http://wiki.apache.org/HttpComponents/FrequentlyAskedConnectionManagementQuestions 1. Connections in TIME_WAIT State After running your HTTP application, you use the netstat command and detect a lot of...
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逻辑卷管理工具lvm2
lvm2：location Volume Manage Version 2 linux支持逻辑卷的模块为dm模块 dm模块是将一个或多个底层物理设备组织成一个逻辑设备的模块。 在CentOS中，逻辑卷的设备文件为：/dev/dm# 链接文件为：/dev/mapper/dn# 中 lvm的管理工具：pv vg lv pv管理工具： pvcreate pvmove pvdispay pvremove...
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Converting a batch of Dashcam videos into a timelapse
I recently took a family vacation from St. Louis, MO to Branson, MO, and as it was the first time driving with my new Mobius Action Cam Mini dashcam installed on our Toyota Sienna ( see a full writeup...
View Articlefree命令详解
作者: tiankonguse | 更新日期: 2016-08-14 13:08:00 简单记录一下free命令． 背景 free命令是linux下最常见的命令之一． 这里简单记录一下． 介绍 free 用于显示系统内存的使用情况． tiankonguse:~ $ free -m total used free shared buffers cached Mem: 3876 3549 326...
View Article自动化系统构建实践-笔者近6年实战结晶-我 我已使出洪荒之力
自动化部署 时间：2016.08.12 笔者Q:552408925、572891887 架构师群:471443208 bjstack运维社区:524721466 有任何疑问请加群互动，或上社区发帖 bjstack运维社区 1.1环境准备 首先在执行脚本前，先做好初始化环境，最好是通过saltstack来完成。我这里没有那么多机器,就先用两台演示。linux-node1...
View ArticleAgentless Everywhere
In a world where everything must be distributed across multiple servers, datacenters and continents the task of managing & monitoring server state has become significantly more complex. Hundreds of...
View ArticleLinux Kernel basics
linux内核作用： The Linux kernel is the heart of the operating system. It is the layer between the user who works with Linux from a shell environment and the hardware that is available in the computer on...
View Article后台进程读/写控制台触发SIGTTIN/SIGTTOU信号量
Unix环境下，当一个进程以后台形式启动，但尝试去读写控制台终端时，将会触发SIGTTIN（读）和SIGTTOU（写）信号量，接着，进程将会暂停（linux默认情况下），read/write将会返回错误。这个时候，shell将会发送通知给用户，提醒用户切换此进程为前台进程，以便继续执行。由后台切换至前台的方式是 fg 命令，前台转为后台则为 CTRL+Z 快捷键。...
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Linux 开放端口服务
在不解析域名的情况下通过ip + port 访问不同项目，而互不影响。 开启端口 默认情况下每台机器对外开放的端口是80。如果需要开启其他端口则需要手动执行命令或修改配掉文件。并重启防火墙，以下两种方式可以参考参考。 使用命令的方式 开放端口命令: /sbin/iptables -I INPUT -p tcp --dport 8001 -j ACCEPT 保存:...
View Article文件和权限
用户目录 位于/home/user, 称为用户目录或家目录, 表示方法: /home/user ~ 相对路径和绝对路径 绝对路径 从 / 目录开始描述的路径外绝对路径 cd /home cd /usr 相对路径 从当前位置开始描述的路径为相对路径 cd ../../ ls abc/def . 和 .. . 表示当前目录 .. 表示上一级目录, 及父目录 注:根目录下的 . 和 .. 都表示当前目录...
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No, Microsoft Hasn’t Killed the Old Skype for Linux App
Is the Skype linux app refusing to connect for you? If so I can tell you that you’re not alone. We’vereceived multiple reports from readers who say they’ve been unable to log in to Skype usingtheolder...
View ArticleAeron: Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Aeron To chat with other Aeron users and the contributors. Efficient reliable UDP unicast, UDP multicast, and IPC message transport. Java and C++ clients are available in this repository via a third...
View ArticleMediaTech(MTK) MT7628 MT7688 OpenWRT 下 PWM驱动简要分析
前言： 由于网络上关于mt7628和mt7688 pwm相关的资料非常少，所以只能自己慢慢琢磨。虽然研究的心得没有多少，但是其实也是费了不少精力，希望转载文章时，保留出处。佐须之男，专业从事网络设备(路由器)等嵌入式开发和技术咨询工作。 #include <linux/err.h>#include <linux/io.h>#include...
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