# 201910

## [wb2osz/direwolf: Dire Wolf is a software "soundcard" AX.25 packet modem/TNC and APRS encoder/decoder. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gateway (IGate). For more information, look at the bottom 1/4 of this page and in https://github.com/wb2osz/direwolf/blob/dev/doc/README.md](https://github.com/wb2osz/direwolf)
  - ARPS en/decorder. its can be used for ham radio.

## [SNMPWhereIsHe/SNMPWhereIsHe.sh at master · recuraki/SNMPWhereIsHe · GitHub](https://github.com/recuraki/SNMPWhereIsHe/blob/master/SNMPWhereIsHe.sh)
- SNMPでmac addr tableをみてどのint配下にいるかを出す．

## [OpenAirInterface – 5G software alliance for democratising wireless innovation](https://www.openairinterface.org)

## [Travel Backpack 45L](https://www.peakdesign.com/products/travel-backpack): よさげ

## [FlashAir Doujinshi (FlashAirの同人誌) - website](https://flashair-developers.github.io/website/docs/books.html)

## [Varnish HTTP Cache — Varnish HTTP Cache](https://varnish-cache.org)
- fastlyで使っている
- HTTP Contents Cashe
- monitoring with DataDog
  - [Top Varnish performance metrics | Datadog](https://www.datadoghq.com/blog/top-varnish-performance-metrics/)

## [hkwi/gopenflow: golang openflow implementation](https://github.com/hkwi/gopenflow)

## InfluxDB, innodb

## [How To Install and Configure GitLab on Ubuntu 18.04 | DigitalOcean](https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-gitlab-on-ubuntu-18-04)

## [polaris-gslb/polaris-gslb: A free, open source GSLB (Global Server Load Balancing) solution.](https://github.com/polaris-gslb/polaris-gslb)

## [MediaWiki](https://www.mediawiki.org/wiki/MediaWiki)

## DEMUX Interface in Junos
- [Subscriber Interfaces and Demultiplexing Overview - TechLibrary - Juniper Networks](https://www.juniper.net/documentation/en_US/junos/topics/concept/subscriber-management-ip-demux.html)

## perl面白記号hello world
```
% perl -v

This is perl 5, version 18, subversion 4 (v5.18.4) built for darwin-thread-multi-2level
(with 2 registered patches, see perl -V for more detail)

Copyright 1987-2013, Larry Wall

Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.

Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl".  If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.

% cat helloworld.pl
use re 'eval';
''=~('(?{'.('[[).[|`%,,/`[/[@$'^'+)@@/^(@@@@@,@),@').'!
"})')
% perl helloworld.pl
Hello world!
```

## [はじめての LLDP - らくがきちょう](http://sig9.hatenablog.com/entry/2019/10/04/000000?_ga=2.176556833.544611521.1570185829-1611751532.1545050376)

## GNSSモジュール+アンテナ
- http://akizukidenshi.com/catalog/g/gK-13850/

## [Opsgenie | Modern incident management](https://www.opsgenie.com)
## [DevOps Incident Management - Alert & Notification | PagerTree](https://pagertree.com)
## [PagerDuty | Real-Time Operations | Incident Response | On-Call | PagerDuty](https://www.pagerduty.com)

## [Bogons via HTTP - Team Cymru](https://www.team-cymru.com/bogon-reference-http.html)

## 特別高圧
- （電柱）22kV,33kV
- （鉄塔）66kV,77kV110kV,154kV,220kV,500kV

## journalctl -S "2019-10-08 11:40:00" -U "2019-10-08 12:00:00" -u <name of darmon> --no-pager | less

## [Elastic Stack でバックアップ（スナップショット）／リストア - Qiita](https://qiita.com/kojisaiki/items/489753b8570dad1efd59)

## [よく使うElasticSearchのクエリ（スナップショット） - Qiita](https://qiita.com/nakazii-co-jp/items/908b6a44e41f176abb8f)
```
curl -XPUT localhost:9200/_snapshot/<name_of_repo> -H 'Content-Type: application/json' -d'
{
  "type": "fs",
  "settings": {
    "location": "/etc/elasticsearch/snapshots/"
  }
}'
curl -XPUT 'localhost:9200/_snapshot/<name_of_repo>/20191008_1?pretty&wait_for_completion=true' -H 'Content-Type: application/json' -d '{
    "indices": "*",
    "ignore_unavailable": "true",
    "include_global_state": false
 }'

curl -XGET 'http://localhost:9200/_snapshot/<name_of_repo>/*'
```

## [nmap/nmap-mac-prefixes at master · nmap/nmap](https://github.com/nmap/nmap/blob/master/nmap-mac-prefixes)
## GTP/PMIP
## [Labeled Tab-separated Values (LTSV)](http://ltsv.org/)
## [時系列データベース「OpenTSDB」を試してみる - Qiita](https://qiita.com/ttsubo/items/4e23d9925be59570eb24)
## [Quick Start · Bosun](http://bosun.org/quickstart#graphite)
## [Squid で SNMP](https://futuremix.org/2003/12/squid_snmp)

## auto dropchecker probeよくないですか．
- 無線接続が頭にあって，差しっぱにしておけばよい．
- マスタから全無線接続端末(probe)にどのコマンドリストを実行すればいいかだけ書いておく． 
- 電源問題...
- 考えてみればraspberry piで無線と有線出して無線側からsshしてansibleでもすれば終わりだった．

## [tmuxpの導入 - Qiita](https://qiita.com/honyamorake/items/d72239d0f3c4aaca482f)
## [Toshiba nudges direct-to-Ethernet SSD towards the light – Blocks and Files](https://blocksandfiles.com/2019/08/14/toshiba-ethernet-ssd/)
## [RDMA over Converged Ethernet - Wikipedia](https://en.wikipedia.org/wiki/RDMA_over_Converged_Ethernet)
## [Toshiba KumoScale NVMe-oF (Newisys NSS-1160G-2N) Review | StorageReview.com - Storage Reviews](https://storagereview.com/toshiba_kumoscale_nvmeof_newisys_nss1160g2n_review)
## [SymbioticLab/infiniswap: Efficient Memory Disaggregation with Infiniswap](https://github.com/SymbioticLab/infiniswap)
## [はじめての OTV (Overlay Transport Virtualization) - らくがきちょう](http://sig9.hatenablog.com/entry/2016/05/16/003334)

## P4もぎるならbmx2使え．
- [P4.pdf](https://www.janog.gr.jp/meeting/janog42/application/files/1315/3085/9570/P4.pdf)
- [P4 ちょっと調べてみた - Speaker Deck](https://speakerdeck.com/imasaruoki/p4-tiyotutodiao-betemita?slide=17)

## AOC: Active Optical Cable
- Fibre + SFF module

## MPLS JAPAN # 2019-10-15 09:40:24 YudaiHashimoto
- KDDIでルータ作ってみた
  - tomahawkなチップなhw switch 100G x 32port
  - base os: open network linux
    - mgmtはlinuxベースのものをそのまま．，docker導入
  - routingdはfrr
  - switch fabric darmonが開発対象
    - コンセプトはオープンなものを積極的に採用．
    - go, open nsl, netlink, openconfigd, grpc
  - ホストOSに依存しない設計にする．
    - プロセス空間は別に分ける，ネットワーク空間は共通にする．
- IIJにおけるホワイトボックス
  - SONiCサポート．フリーNOSもこれに集約されてきた．
  - メーカもSONiCサポートに積極的
  - 品質はお察し．
- ebikenさん
  - [Security Load Balancer | High-Performance SDN Network Operating Software (NOS) - Software Defined Networking | NoviFlow](https://noviflow.com)
  - [Software Defined Fabric™](https://www.kaloom.com/products-software-defined-fabric)

## fastly yamagoya
- edge computing likeなかんじ．
- WASM
  - Lucet & Cranelift
- birdもOSSコントリとして手がけている
- TODO: direct server return
- TODO: server pushのしくみ
  - clinetに投げるコンテンツを読んでその中身のリソースも一緒に送る？
- istio
- [Kiali: Service mesh observability and configuration](https://www.kiali.io)
- 量子暗号

- [jazzband/django-debug-toolbar: A configurable set of panels that display various debug information about the current request/response.](https://github.com/jazzband/django-debug-toolbar)
- [Akamai と Fastly の事例を聞くために「CDN Study」に参加した - kakakakakku blog](https://www.google.com/amp/s/kakakakakku.hatenablog.com/entry/2018/05/03/135441%3Famp%3D1)


## 光通信のreference
- [光ファイバ通信入門 改訂5版](https://www.amazon.co.jp//dp/427422094X/)
- [実務に役立つ光ファイバ技術200のポイント](https://www.amazon.co.jp/dp/488549303X)
- [すべてが解る!光ファイバ通信](https://www.amazon.co.jp/dp/4885490596)
- [光ファイバ通信(第6版)](https://www.amazon.co.jp/dp/4274506193)
  - 業界の最前線のことについて詳しいよう．
  - [Amazon | Optical Fiber Telecommunications VII (English Edition) [Kindle edition] by Alan Willner | Telecommunications | Kindleストア](https://www.amazon.co.jp/dp/B07ZGQ2YD9)
- [光・無線伝送技術の基礎と応用 コロナ社](http://www.coronasha.co.jp/np/isbn/9784339008548/)
- [OHM大学テキスト 光通信工学](https://www.amazon.co.jp/dp/4274213064)
  - コヒーレント光，ホモダイン検波とかについてはこれがよさそう．

## nettester
- [net-tester/net-tester: Acceptance test tool for physical networks](https://github.com/net-tester/net-tester)