#きょうのsystemd : IPアカウンティングとアクセスリスト - ぽぽの備忘録
およそ1ヶ月前にリリースされたsystemd 235ではサービスごとにIPトラフィックを計算したり、アクセスコントロールができるようになったらしい。 元ネタはレナートのブログ記事 IP Accounting and Access Lists with systemd 。 本稿では、この記事の詳細を紹介する。 IPアカウンティング v235以前でも、systemdはすでにユニットごとのリソース管理のフックを様々な種類のリソースに対し提供してきた: 消費されたCPU時間、ディスクI/O、メモリ使用量やタスクの数などである。 v235では別の種類のリソースをsystemdでユニットごとに管理できるようになった: ネットワークトラフィック(特にIP)である。 これに伴い、ユニットに追加された設定項目は次の3つ IPAccounting= booleanを取る。これが有効なユニットでは関連するプロセ
GitHub - cyring/CoreFreq: CoreFreq is a CPU monitoring software designed for the 64-bits Processors.
MySQLに対して定期的に実行して結果を保存しておくと幸せになれるアレ - なからなLife
ワンライナー mysql -u ユーザ -pパスワード -h 接続先 -e "SQL文" | sed -e 's/\t/\" \"/g' | sed -e 's/^/\"/g' | sed -e 's/$/\"/g' | sed -e "s/^/$(date '+%Y%m%d %H:%M:%S') /g" >> ファイル パスワードを生テキストで書くなって人はゴニョゴニョしてください。 追記：ゴニョゴニョするはなし、書きました。 MySQLで幸せになれるヤツの続き-パスワードを隠蔽する方法 - なからなLife 取りたい情報に応じて、権限が異なります。DBのroot相当の権限があるといいのですが、少なくとも「全スキーマへのSELECT」と「PROCESS」は必要になるはず。 何するやつ？ MySQLにログインして、-eの後に指定したSQLを実行して、ログアウトする。 SQLの結果をパイプで
mita2 DB メモ: performance_schema を top っぽく見るツール ps-top
とある企業のDBA @yoku0825 さんに ps-top というものを教えてもらったので試してみました。 ps は 「Performance Schema」のps です。MySQL の パフォーマンス統計である performance_schema の情報をtopコマンドのように表示してくれる。 インストール ps-top は go で書かれている。 自分の管理外のサーバだと、ソフトウェアをインストールするのに躊躇するので、ポータブルな（バイナリをコピーすれば動く）goなのはありがたいですね。 $ export GOPATH=$HOME/go $ mkdir $GOPATH $ go get -u github.com/sjmudd/ps-top/cmd/ps-top 使い方 $ $HOME/go/bin/ps-top --help pstop - Copyright (C) 2014
Announcing pricing for Google Stackdriver | Google Cloud Blog
We recently announced beta availability of Google Stackdriver, an integrated monitoring, logging and diagnostics suite for applications running on Google Cloud Platform and Amazon Web Services.1 Our customers have responded to the service with enthusiasm. While the service will be in beta for a couple more months, today we're sharing a preview of Google Stackdriver pricing. By integrating monitori
NVMe_Support – smartmontools
About NVMe VM Express, NVMe, or Non-Volatile Memory Host Controller Interface Specification (NVMHCI), is a logical device interface specification for accessing non-volatile storage media attached via PCI Express (PCIe) bus. Some links related to the standard and vendor-specific implementations provided below: Official specifications An NVM Express Tutorial, Kevin Marks (Dell) in Flash Memory Su
Introducing On-demand Java & JVM Profiling - Sematext
If you are running apps on top of JVM and want to be able to profile them in production, on-demand, without affecting your app’s performance and users, read on! Screenshots, features, and other juicy stuff are further down. Do you run any apps on the JVM? How do you find bottlenecks in your apps once they are in production, so you can optimize them? If they become slow, how do you find which pa
HBase Performance Monitoring
Infrastructure Monitoring Full Stack Infrastructure MonitoringMap and monitor your whole infrastructure in real-time with Sematext Monitoring tools, on-premise or in the cloud. Cloud-ready IntegrationsNumerous integrations let you collect and report metrics and events across your whole stack. Get a real-time view of your enterprise or cloud infrastructure.Get started in minutes with out-of-the-box
Amon - Straightforward monitoring for your infrastructure
Straightforward Open Source monitoring for your infrastructure Collect With Amon you can easily collect all your cloud, system and application metrics. Organize Build and share interactive dashboards with a few clicks Get Notified When a problem occurs - get notified on any device or platform. Easy to install & Deploy Single binary collector agent, making deployment at scale a breeze. Monitor clou
TechCrunch | Startup and Technology News
Amazon subsidiary Zoox has begun testing its purpose-built, electric, autonomous robotaxis on public streets in Las Vegas, the company announced Tuesday. Zoox says this marks the first time that an au We are only scratching the surface of how artificial intelligence might be used in art, and musicians are already experimenting with the technology. But if their AI-assisted composition is to be elig
GitHub - uber-archive/cpustat: high frequency performance measurements for Linux. This project is deprecated and not maintained.
(This project is deprecated and not maintained.) cpustat is a tool for Linux systems to measure performance. You can think of it like a fancy sort of top that does different things. This project is motivated by Brendan Gregg's USE Method and tries to expose CPU utilization and saturation in a helpful way. Most performance tools average CPU usage over a few seconds or even a minute. This can create
Server Monitoring & Service Monitoring Done Right - OpsDash by RapidLoop
Expand Your View All-in-one solution for server monitoring, database monitoring, service monitoring and app metric monitoring. Try It OpsDash is fast to setup and easy to use. Get started in minutes with our zero-dependancy agent and dashboards pre-configured to include key metrics for server, service and database monitoring.
Glances - An Eye on your system
An Eye on your system Glances is a cross-platform system monitoring tool written in Python. View on GitHub CPU Memory Load Process list Network interface Disk I/O IRQ / Raid Sensors Filesystem (and folders) Docker Monitor Alert System info Uptime Quicklook (CPU, MEM, LOAD) Cross-platform Written in Python, Glances will run on almost any plaftorm : GNU/Linux, FreeBSD, OS X and Windows.
Monitoring Survey 2015 - Metrics –
Kartar.Net If I had my hand full of truth, I would take good care how I opened it In the last posts I talked about the tools people used in monitoring, the demographics, and what environments people monitor. In this post I am going to look at the questions around collecting metrics and what those metrics are used for by respondents. As I’ve mentioned in previous posts, the survey got 1,116 respons
Monitor All HTTP Requests (like TCPdump) On a Linux Server with httpry
Monitor All HTTP Requests (like TCPdump) On a Linux Server with httpry Want to help support this blog? Try out Oh Dear, the best all-in-one monitoring tool for your entire website, co-founded by me (the guy that wrote this blogpost). Start with a 10-day trial, no strings attached. We offer uptime monitoring, SSL checks, broken links checking, performance & cronjob monitoring, branded status pages
A Toolkit to Measure Basic System Performance and OS Jitter - High Scalability -
« Stuff The Internet Says On Scalability For May 29th, 2015 | Main | Sponsored Post: Tumblr, Power Admin, Learninghouse, MongoDB, Internap, Aerospike, SignalFx, InMemory.Net, Couchbase, VividCortex, MemSQL, Scalyr, AiScaler, AppDynamics, ManageEngine, Site24x7 » Jean Dagenais published a great response on a mechanical-sympathy thread to Gil Tene's article, The Black Magic Of Systematically Reducin
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15 Tools Java Developers Should Use After a Major Release - DZone
GitHub - ajermakovics/jvm-mon: Console-based JVM monitoring tool
GitHub - netdata/netdata: Monitor your servers, containers, and applications, in high-resolution and in real-time!
