Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

proxy.golang.org "logs" keyword

github.com/log-rush/distribution-server v0.3.1
A simple log-rush log distribution server
7 versions - Latest release: almost 2 years ago - 2 dependent packages - 1 dependent repositories - 1 stars on GitHub
Top 5.6% on proxy.golang.org
github.com/dmachard/go-dns-collector v0.43.0 💰
Ingestor, aggregator and analyzer for your DNS traffic
72 versions - Latest release: about 2 months ago - 75 stars on GitHub
Top 5.6% on proxy.golang.org
github.com/globocom/prettylog v0.0.0-20231011184009-8c16e0d609e7
Logs for human beings
2 versions - Latest release: 8 months ago - 58 stars on GitHub
Top 6.8% on proxy.golang.org
github.com/redpanda-data/connect 💰
Fancy stream processing made operationally mundane
250 versions - 7,744 stars on GitHub
Top 6.8% on proxy.golang.org
github.com/redpanda-data/connect/v4 💰
Fancy stream processing made operationally mundane
42 versions - 7,744 stars on GitHub
Top 1.4% on proxy.golang.org
github.com/benthosdev/benthos/v4 v4.27.0 💰
Fancy stream processing made operationally mundane
42 versions - Latest release: about 2 months ago - 36 dependent packages - 9 dependent repositories - 5,853 stars on GitHub
Top 4.4% on proxy.golang.org
github.com/benthosdev/benthos v1.20.4 💰
Fancy stream processing made operationally mundane
295 versions - Latest release: about 5 years ago - 5,853 stars on GitHub
Top 6.8% on proxy.golang.org
github.com/redpanda-data/connect/public/bundle/enterprise/v4 💰
Fancy stream processing made operationally mundane
1 version - 7,837 stars on GitHub
Top 6.8% on proxy.golang.org
github.com/redpanda-data/connect/public/bundle/free/v4 💰
Package free imports all free, open source plugin implementations that ship with Redpanda Connect...
1 version - 7,837 stars on GitHub
Top 5.2% on proxy.golang.org
github.com/sipcapture/homer-app v0.0.0-20231102215433-8361b3b7c5cf 💰
Homer-App Homer-App User interface for WEB AI swagger:meta
14 versions - Latest release: 7 months ago - 163 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/flowerinthenight/klf v0.0.0-20180408001819-78c7c4f1fa51
Simple 'kubectl logs -f' wrapper for multiple pods.
1 version - Latest release: about 6 years ago - 5 stars on GitHub
Top 4.4% on proxy.golang.org
github.com/zinclabs/zincsearch v0.4.9
ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written ...
37 versions - Latest release: 9 months ago - 14,609 stars on GitHub
github.com/vlad-tokarev/slog-GCP v0.0.0-20230819091238-a61d5751b385
log/slog default attributes adapter for Google Cloud Logging
1 version - Latest release: 10 months ago - 0 stars on GitHub
Top 9.0% on proxy.golang.org
github.com/woblerr/authlog_exporter v0.6.0
Prometheus exporter for collecting events from auth.log file with geoIP support.
9 versions - Latest release: 2 months ago - 5 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos/common v1.0.58
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
50 versions - Latest release: about 1 month ago - 3,050 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos/procdiscovery v1.0.58
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
55 versions - Latest release: about 1 month ago - 3,050 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos/api v1.0.58
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
65 versions - Latest release: about 1 month ago - 3,031 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos/odiglet v1.0.58
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
51 versions - Latest release: about 1 month ago - 3,050 stars on GitHub
github.com/vincentfree/opentelemetry-http/otelmiddleware v0.0.10
Package otelmiddleware provides middleware for wrapping http.Server handlers with Open Telemetry ...
1 version - Latest release: 11 months ago - 2 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos/autoscaler
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
Latest release: about 1 month ago - 3,031 stars on GitHub
Top 1.7% on proxy.golang.org
github.com/stern/stern v1.29.0
⎈ Multi pod and container log tailing for Kubernetes -- Friendly fork of https://github.com/werck...
22 versions - Latest release: about 1 month ago - 9 dependent packages - 11 dependent repositories - 1,563 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos/cli
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
Latest release: about 1 month ago - 3,031 stars on GitHub
github.com/simplyyan/lagra v1.1.8 💰
A super-fast, lightweight logger with zero allocation to the Go language.
18 versions - Latest release: 8 months ago - 1 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/odigos-io/odigos v1.0.58
Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry...
100 versions - Latest release: about 1 month ago - 3,031 stars on GitHub
Top 9.0% on proxy.golang.org
github.com/raffis/kjournal/cli v0.0.0-20230103155918-2f71a8bf1f15
kjournal is a lightweight kubernetes apiserver to serve longterm logging & events as kubernetes API
2 versions - Latest release: over 1 year ago - 7 stars on GitHub
Top 6.5% on proxy.golang.org
github.com/stratoscale/logserver v0.0.0-20180426063106-8a6d2efc0cb8
web log viewer that combines logs from several sources
1 version - Latest release: about 6 years ago - 20 stars on GitHub
Top 7.9% on proxy.golang.org
github.com/siglens/siglens v0.0.0-20240121044648-cae193c050e4
100x Efficient Log Management than Splunk :rocket: Reduce your observability cost by 90%
141 versions - Latest release: 5 months ago - 986 stars on GitHub
Top 3.6% on proxy.golang.org
github.com/zinclabs/zinc v0.4.9
ZincSearch. A lightweight alternative to elasticsearch that requires minimal resources, written i...
37 versions - Latest release: 10 months ago - 1 dependent repositories - 12,490 stars on GitHub
Top 3.8% on proxy.golang.org
github.com/google/mtail v3.0.0-rc9+incompatible
extract internal monitoring data from application logs for collection in a timeseries database
73 versions - Latest release: over 6 years ago - 1 dependent repositories - 3,495 stars on GitHub
Top 1.3% on proxy.golang.org
github.com/influxdata/go-syslog/v3 v3.0.0
Package syslog provides generic interfaces and structs for syslog messages and transport. Subpack...
1 version - Latest release: over 4 years ago - 361 dependent packages - 599 dependent repositories - 437 stars on GitHub
Top 1.4% on proxy.golang.org
github.com/influxdata/go-syslog/v2 v2.0.1
Package syslog provides generic interfaces and structs for syslog messages and transport. Subpack...
2 versions - Latest release: over 4 years ago - 142 dependent packages - 356 dependent repositories - 437 stars on GitHub
Top 7.9% on proxy.golang.org
github.com/keymetrics/pm2-io-apm-go v0.0.1
Golang APM for PM2 Enterprise
1 version - Latest release: about 5 years ago - 5 dependent repositories - 14 stars on GitHub
Top 7.9% on proxy.golang.org
github.com/kitloong/laravel-app-logger v1.2.2 💰
Laravel logs for your application
5 versions - Latest release: 3 months ago - 7 stars on GitHub
Top 9.6% on proxy.golang.org
github.com/tom-draper/log-analyzer v0.0.0-20240124172957-a5e3ae403bb5
Turn log files into a dashboard.
2 versions - Latest release: 5 months ago - 1 stars on GitHub
gitlab.com/rakshazi/warcraftlogs-api v0.2.6
A Simple golang wrapper for WarcraftLogs API
2 versions - Latest release: over 3 years ago - 2 dependent repositories - 0 stars on GitLab.com
Top 9.9% on proxy.golang.org
github.com/n6g7/nomtail v0.2.1
Stream Nomad task logs to Promtail/Loki
6 versions - Latest release: 4 months ago - 0 stars on GitHub
Top 9.4% on proxy.golang.org
github.com/omarahm3/squirrel/server
🐿️ Realtime logs sharing by just piping squirrel
Latest release: about 1 month ago - 27 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/Stratoscale/logserver v0.0.0-20180426063106-8a6d2efc0cb8
web log viewer that combines logs from several sources
1 version - Latest release: about 6 years ago - 20 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/omarahm3/squirrel/utils
🐿️ Realtime logs sharing by just piping squirrel
Latest release: about 1 month ago - 1 dependent package - 27 stars on GitHub
Top 10.0% on proxy.golang.org
github.com/zakhaev26/watchdog v0.12.23
A fault tolerant microservice system for maintaining vigilance and oversight over servers.
1 version - Latest release: 5 months ago - 1 stars on GitHub
Top 9.0% on proxy.golang.org
github.com/soulgarden/logfowd v0.0.13
Logfowd collects logs from k8s using filesystem events and sends them to elasticsearch/zincsearch
6 versions - Latest release: 3 months ago - 0 stars on GitHub
Top 1.6% on proxy.golang.org
github.com/kataras/golog v0.1.11 💰
CBSD 3-Clause License Copyright (c) 2017-2022, Gerasimos (Makis) Maropoulos (kataras2006@hotmail...
22 versions - Latest release: 7 months ago - 995 dependent packages - 4,594 dependent repositories - 320 stars on GitHub
Top 2.4% on proxy.golang.org
github.com/TylerBrock/saw v0.2.2 💰
Fast, multi-purpose tool for AWS CloudWatch Logs
12 versions - Latest release: over 5 years ago - 7 dependent packages - 3 dependent repositories - 1,316 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/tylerbrock/saw v0.2.2 💰
Fast, multi-purpose tool for AWS CloudWatch Logs
12 versions - Latest release: over 5 years ago - 1,316 stars on GitHub
github.com/raffis/kjournal v0.0.16
kjournal is a lightweight kubernetes apiserver to serve longterm logging & events as kubernetes API
15 versions - Latest release: over 1 year ago - 1 dependent package - 1 dependent repositories - 7 stars on GitHub
Top 9.0% on proxy.golang.org
github.com/sgaunet/ekspodlogs v0.7.1
utility to print logs of pods in an EKS cluster (Amazon Web Services)
15 versions - Latest release: 5 months ago - 0 stars on GitHub
Top 1.3% on proxy.golang.org
github.com/Jeffail/benthos/v3 v3.65.0 💰
Fancy stream processing made operationally mundane
99 versions - Latest release: over 2 years ago - 13 dependent packages - 9 dependent repositories - 5,851 stars on GitHub
Top 9.3% on proxy.golang.org
github.com/zakhaev26/hypernotifs v0.12.23
A fault tolerant microservice system for maintaining vigilance and oversight over servers built w...
1 version - Latest release: 5 months ago - 1 stars on GitHub
Top 9.7% on proxy.golang.org
github.com/alexcb/colorgrep/v2 v2.0.0-20230328223837-cafb69844195
displays matching patterns in specific color
1 version - Latest release: about 1 year ago - 19 stars on GitHub
Top 1.5% on proxy.golang.org
github.com/Jeffail/benthos v1.20.4 💰
Fancy stream processing made operationally mundane
295 versions - Latest release: about 5 years ago - 8 dependent packages - 6 dependent repositories - 5,851 stars on GitHub
Top 8.2% on proxy.golang.org
teler.app v1.2.2 💰
Real-time HTTP Intrusion Detection
36 versions - Latest release: about 3 years ago - 2,507 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/ricoberger/kubetop v1.1.1
Another terminal based activity monitor for Kubernetes.
4 versions - Latest release: almost 5 years ago - 3 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/omarahm3/squirrel v0.1.4
🐿️ Realtime logs sharing by just piping squirrel
14 versions - Latest release: about 2 years ago - 27 stars on GitHub
Top 8.0% on proxy.golang.org
github.com/raniellyferreira/rotate-files v1.1.0 💰
Rotate files locally or in S3 bucket based on custom backup rotation scheme
11 versions - Latest release: 7 months ago - 5 stars on GitHub
Top 4.1% on proxy.golang.org
github.com/fluent/fluent-bit v3.0.3+incompatible
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX and Windows
226 versions - Latest release: about 1 month ago - 5,019 stars on GitHub
Top 9.7% on proxy.golang.org
github.com/gamemann/go-spawn-and-output-logs-from-process v0.0.0-20230511201015-5932bf29a2f3
This repository shows how to spawn processes within a Go program and output their stdout and stde...
1 version - Latest release: about 1 year ago - 2 stars on GitHub
Top 5.8% on proxy.golang.org
github.com/jackbister/logsuck v0.6.0
Easy log aggregation, indexing and searching
8 versions - Latest release: over 1 year ago - 165 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/JackBister/logsuck v0.6.0
Easy log aggregation, indexing and searching
8 versions - Latest release: over 1 year ago - 165 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/gowizzard/proto v1.3.1
Package proto is used to simplify and standardize logging. Several configurations can be selected...
6 versions - Latest release: over 1 year ago - 0 stars on GitHub
github.com/hedhyw/json-log-viewer v0.2.4
Interactive viewer for JSON logs.
25 versions - Latest release: 5 months ago - 4 stars on GitHub
Top 5.0% on proxy.golang.org
github.com/lucagrulla/cw v1.7.2 💰
The best way to tail AWS CloudWatch Logs from your terminal
3 versions - Latest release: over 5 years ago - 1 dependent repositories - 666 stars on GitHub
Top 9.5% on proxy.golang.org
github.com/pragmaticivan/logglix v1.0.0
🎱 Logger backend app for Loggly requests
2 versions - Latest release: over 6 years ago - 11 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/ekanite/ekanite v1.3.0
The Syslog server with built-in search
8 versions - Latest release: over 6 years ago - 767 stars on GitHub
Top 5.5% on proxy.golang.org
github.com/deref/exo v0.0.0-20220514004539-1fa59871c5ce
A process manager & log viewer for dev
2 versions - Latest release: about 2 years ago - 372 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/coroot/coroot-node-agent v1.18.10
A Prometheus exporter based on eBPF that gathers comprehensive container metrics
102 versions - Latest release: about 1 month ago - 197 stars on GitHub
Top 7.4% on proxy.golang.org
github.com/jdrews/logstation v0.0.0-20230814035749-02183effa285
Tail log files in web browser
15 versions - Latest release: 10 months ago - 56 stars on GitHub
Top 9.0% on proxy.golang.org
github.com/chmouel/snazy v0.0.0-20240124061522-019a359be48e
a snazzy json log viewer
17 versions - Latest release: 5 months ago - 24 stars on GitHub
Top 4.8% on proxy.golang.org
github.com/trivago/gollum v0.5.4
An n:m message multiplexer written in Go
19 versions - Latest release: about 5 years ago - 1 dependent repositories - 928 stars on GitHub
Top 5.1% on proxy.golang.org
github.com/Signoz/signoz v0.44.0
SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot probl...
230 versions - Latest release: about 2 months ago - 14,448 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/signoz/signoz v0.44.0
SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot probl...
232 versions - Latest release: about 2 months ago - 12,171 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/SigNoz/signoz v0.44.0
SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot probl...
231 versions - Latest release: about 2 months ago - 12,171 stars on GitHub
Top 9.5% on proxy.golang.org
github.com/ernestrc/logd v0.2.1
Logd is a log scanner daemon that exposes a lua API to run arbitrary logic on structured logs.
4 versions - Latest release: about 1 month ago - 2 stars on GitHub
Top 5.5% on proxy.golang.org
github.com/ozontech/file.d v0.25.3
A blazing fast tool for building data pipelines: read, process and output events. Our community: ...
99 versions - Latest release: about 1 month ago - 209 stars on GitHub
Top 7.0% on proxy.golang.org
github.com/negbie/fancy v0.0.0-20200916175511-b67dba79fbf2
fancy let's you fanout rsyslog to Loki
1 version - Latest release: over 3 years ago - 1 dependent package - 30 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/stephane-martin/gotail v0.0.0-20180121194641-e45856a14bce
tail -f equivalent for go
1 version - Latest release: over 6 years ago - 5 stars on GitHub
github.com/jdrews/go-tailer v1.1.0
go-tailer is a Go library designed to help you tail files in a similar fashion to tail -f
3 versions - Latest release: about 1 year ago - 1 dependent package - 1 dependent repositories - 1 stars on GitHub
Top 8.3% on proxy.golang.org
github.com/axiomhq/axiom-cloudfront-lambda v0.2.1
Send CloudFront logs to Axiom.
3 versions - Latest release: about 2 years ago - 0 stars on GitHub
Top 6.1% on proxy.golang.org
github.com/solarwinds/rkubelog v0.0.0-20211102101002-8d6c2506bbeb
Send k8s Logs to Papertrail and Loggly Without DaemonSets (for Nodeless Clusters)
1 version - Latest release: over 2 years ago - 17 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/efureev/tracefall v0.0.0-20190215104628-93818c898049
tracer logs
1 version - Latest release: over 5 years ago - 1 stars on GitHub
github.com/vincentfree/opentelemetry v0.0.9
Open Telemetry extensions
9 versions - Latest release: 11 months ago - 2 stars on GitHub
Top 8.3% on proxy.golang.org
github.com/auhau/loggy v0.3.1
Copyright © 2022 Adam Uhlir [email protected]
5 versions - Latest release: over 2 years ago - 2 stars on GitHub
Top 9.4% on proxy.golang.org
github.com/vicanso/timtam-receiver
log server
Latest release: about 1 month ago - 1 stars on GitHub
github.com/fieu/pcmd v1.0.0
Run multiple commands in parallel with clean stdout/stderr output
1 version - Latest release: about 1 year ago - 4 stars on GitHub
Top 8.2% on proxy.golang.org
gopkg.in/ocmdev/rita.v0 v0.9.1
Real Intelligence Threat Analytics (RITA) is a framework for detecting command and control commun...
1 version - Latest release: over 7 years ago - 2,141 stars on GitHub
github.com/vincentfree/opentelemetry/otelzerolog v0.0.10
Package otelzerolog provides a function to extend structured logs using zerolog with the Open Tel...
1 version - Latest release: 11 months ago - 2 stars on GitHub
github.com/vincentfree/opentelemetry/otelslog v0.0.3
Package otelslog provides a function to extend structured logs using slog with the Open Telemetry...
3 versions - Latest release: 10 months ago - 2 stars on GitHub
github.com/vincentfree/opentelemetry/otellogrus v0.0.2
Package otellogrus provides a function to extend structured logs using logrus with the Open Telem...
2 versions - Latest release: 11 months ago - 2 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/vjeantet/bitfan v0.0.0-20180507150025-691b052023dd
Data and Event processing pipeliner really inspired by Logstash
1 version - Latest release: about 6 years ago - 76 stars on GitHub
Top 7.5% on proxy.golang.org
github.com/agc93/dechar
A simple tool to decode SQL CHAR() commands (as often seen in SQLi)
- 0 stars on GitHub
github.com/vincentfree/opentelemetry/otelmiddleware v0.0.10
Package otelmiddleware provides middleware for wrapping http.Server handlers with Open Telemetry ...
1 version - Latest release: 11 months ago - 2 stars on GitHub
Top 4.1% on proxy.golang.org
github.com/reconquest/loreley v0.0.0-20211011075601-29b1d7b0ad91
Simple and extensible colorizer for programs' output
1 version - Latest release: over 2 years ago - 56 dependent packages - 68 dependent repositories - 38 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/troydota/modlogs v0.0.0-20210615182346-3cc618a9aa8d
A bot used to post twitch mod actions into a discord channel.
1 version - Latest release: almost 3 years ago - 8 stars on GitHub
Top 9.5% on proxy.golang.org
github.com/doorbash/my-process-manager v1.2.0
A simple process manager for Windows
10 versions - Latest release: over 1 year ago - 1 stars on GitHub
Top 9.6% on proxy.golang.org
github.com/vaerohq/vaero v0.0.0-20230326234109-997ee29fc82d
Complete log pipeline solution in Python. Runs fast in Go.
1 version - Latest release: about 1 year ago - 62 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/e-travel/cloudwatchlogsbeat v2.0.0+incompatible
A beat for AWS CloudWatch Logs
4 versions - Latest release: over 4 years ago - 63 stars on GitHub
Top 9.4% on proxy.golang.org
github.com/opendefinition/tuoda
Generic log importer for Graph databases
Latest release: about 1 month ago - 1 stars on GitHub
Top 5.6% on proxy.golang.org
github.com/CanopyTax/ckube v1.0.2
A cli to simplify working with kubectl for some common workflows
17 versions - Latest release: over 2 years ago - 133 stars on GitHub
Top 8.1% on proxy.golang.org
github.com/stephane-martin/w3c-extendedlog-parser v0.0.0-20201114182603-52f210cef97e
A parser in golang for W3C Extended Log format
1 version - Latest release: over 3 years ago - 0 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/gbataille/logs_for_humans v1.3.1
log stream formatting for human consumption
5 versions - Latest release: about 2 years ago - 3 stars on GitHub
Top 8.2% on proxy.golang.org
github.com/circonus-labs/circonus-logwatch v1.1.2
A small utility for extracting metrics from log files and forwarding to Circonus.
20 versions - Latest release: 6 months ago - 5 stars on GitHub
Related Keywords
go 94 golang 90 logging 67 metrics 41 kubernetes 35 observability 35 opentelemetry 35 log 30 traces 29 monitoring 25 logger 25 cli 23 ebpf 20 javascript 20 java 19 dotnet 19 tail 16 tracing 15 debug 12 aws 11 stream-processing 11 message-bus 10 kafka 10 elasticsearch 10 json 10 prometheus 10 streaming-data 9 stream-processor 9 rabbitmq 9 nats 9 message-queue 9 event-sourcing 9 etl 9 data-ops 9 data-engineering 9 cqrs 9 amqp 9 syslog 9 trace 8 writer 7 success 7 info 7 fatal 7 error 7 middleware 7 distributed-tracing 7 logging-library 7 apm 7 parser 6 log-viewer 6 events 6 security 6 self-hosted 6 application-monitoring 6 analysis 6 opentelemetry-go 6 react 6 devops 6 golang-library 6 library 6 cloudwatch-logs 6 analytics 6 grafana 6 log-analytics 6 threat 5 pods 5 loki 5 docker 5 open-source 5 blueteam 5 logfile 5 log-analyzer 5 k8s 5 search 5 service 5 instrumentation 4 log-management 4 logstash 4 dns 4 rita 4 network-traffic 4 log-analysis 4 bhis 4 beacon-sniffer 4 beacon 4 typescript 4 containers 4 pipeline 4 terminal 4 server 4 reactjs 4 viewer 3 scanning 3 json-logs 3 pod 3 command-line-tool 3 rfc6587 3 rfc5426 3 command-line 3 rfc5425 3