Flynn: first preview release | Hacker News - 0 views
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Etcd and Zookeeper provide essentially the same functionality. They are both a strongly consistent key/value stores that support notifications to clients of changes. These two projects are limited to service discovery
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So lets say you had a client application that would talk to a node application that could be on any number of servers. What you could do is hard code that list into your application and randomly select one, in order to "fake" load balancing. However every time a machine went up or down you would have to update that list.
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What Consul provides is you just tell your app to connect to "mynodeapp.consul" and then consul will give you the proper address of one of your node apps.
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" So lets say you had a client application that would talk to a node application that could be on any number of servers. What you could do is hard code that list into your application and randomly select one, in order to "fake" load balancing. However every time a machine went up or down you would have to update that list. What Consul provides is you just tell your app to connect to "mynodeapp.consul" and then consul will give you the proper address of one of your node apps."
EntilZha/ScalaFunctional - 0 views
MSYS2 installer - 0 views
Nmap: the Network Mapper - Free Security Scanner - 1 views
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"Nmap ("Network Mapper") is a free and open source (license) utility for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics. It was designed to rapidly scan large networks, but works fine against single hosts. Nmap runs on all major computer operating systems, and official binary packages are available for Linux, Windows, and Mac OS X. In addition to the classic command-line Nmap executable, the Nmap suite includes an advanced GUI and results viewer (Zenmap), a flexible data transfer, redirection, and debugging tool (Ncat), a utility for comparing scan results (Ndiff), and a packet generation and response analysis tool (Nping)."
一位开发者的 Linux 容器之旅-技术 ◆ 学习|Linux.中国-开源社区 - 1 views
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容器是一个 Linux 进程,Linux 认为它只是一个运行中的进程。该进程只知道它被告知的东西。
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容器进程也分配了它自己的 IP 地址。
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在容器化方面,容器进程有它自己的 IP 地址。一旦给予了一个 IP 地址,该进程就是宿主网络中可识别的资源
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一位开发者的 Linux 容器之旅 - 51CTO.COM - 0 views
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容器是一个 Linux 进程,Linux 认为它只是一个运行中的进程。该进程只知道它被告知的东西。
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容器进程也分配了它自己的 IP 地址
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和典型虚拟机的静态方式不同。所有这些资源的共享都由容器管理器来管理。
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Unitech/pm2 - 0 views
Tails - Privacy for anyone anywhere - 1 views
Security Onion - 0 views
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"Security Onion is a Linux distro for intrusion detection, network security monitoring, and log management. It's based on Ubuntu and contains Snort, Suricata, Bro, OSSEC, Sguil, Squert, ELSA, Xplico, NetworkMiner, and many other security tools. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!"
单表60亿记录等大数据场景的MySQL优化和运维之道 - 快课网 - 0 views
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存储引擎使用InnoDB
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变长字符串尽量使用varchar varbinary
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不在数据库中存储图片、文件等
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Snort.Org - 0 views
Five Open-Source Slack Alternatives » okTurtles Blog - 0 views
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" Slack is a popular team communications application for organizations that offers group chat and direct messaging for mobile, web, and desktop platforms. While Slack offers many benefits to customers, there are also downsides to using the platform, including high subscription fees and the risk of a massive leak of private data if Slack's servers are ever breached (again)."
re:Work - 0 views
Writing a Bootloader | Blog of Osanda - 1 views
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"A bootloader is a special program that is executed each time a bootable device is initialized by the computer during its power on or reset that will load the kernel image into the memory. This application is very close to hardware and to the architecture of the CPU. All x86 PCs boot in Real Mode. In this mode you have only 16-bit instructions. Our bootloader runs in Real Mode and our bootloader is a 16-bit program."
ankane/secure_rails - 0 views
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