Cilium is open source software for providing and transparently securing network connectivity and loadbalancing between application workloads such as application containers or processes. Cilium operates at Layer 3/4 to provide traditional networking and security services as well as Layer 7 to protect and secure use of modern application protocols such as HTTP, gRPC and Kafka. Cilium is integrated into common orchestration frameworks such as Kubernetes and Mesos. A new Linux kernel technology called BPF is at the foundation of Cilium. It supports dynamic insertion of BPF bytecode into the Linux kernel at various integration points such as: network IO, application sockets, and tracepoints to implement security, networking and visibility logic. BPF is highly efficient and flexible. To learn more about BPF, read more in our extensive BPF and XDP Reference Guide.
networking microservices containers bpf security kubernetes kubernetes-networking docker api http cni kernel loadbalancing monitoring troubleshooting xdp kafka grpcInspect's user interface is designed to intuitively navigate the data-dense sysdig captures that contain granular system, network, and application activity of a Linux system. Sysdig Inspect helps you understand trends, correlate metrics and find the needle in the haystack. It comes packed with features designed to support both performance and security investigations, with deep container introspection. To use Sysdig Inspect, you need capture files collected on Linux with sysdig.
docker containers kubernetes sysdig troubleshootingHOMER is a robust, carrier-grade, scalable SIP Capture system and VoiP Monitoring Application offering HEP/EEP, IP Proto4 (IPIP) encapsulation & port mirroring/monitoring support right out of the box, ready to process & store insane amounts of signaling, logs and statistics with instant search, end-to-end analysis and drill-down capabilities for ITSPs, VoIP Providers and Trunk Suppliers using SIP signaling protocol. Powered at the core by SIPCAPTURE Module for industry-standard Kamailio or OpenSIPS, HOMER provides virtually unlimited scope for granular capture configuration either stand-alone or using our companion Capture Agent Project.
monitoring troubleshooting voip rtc pcap flow callflow cdr correlation capture-agent packet-capture packet-sniffer analytics webrtc encapsulation sip statistics opensips kamailio hepWindows Server Update Services
au-debug-trace audbgtrace ie_assystem ieassystem iereg mpsreports troubleshootingkubectl-debug is an out-of-tree solution for troubleshooting running pods, which allows you to run a new container in running pods for debugging purpose. The new container will join the pid, network, user and ipc namespaces of the target container, so you can use arbitrary trouble-shooting tools without pre-install them in your production container image. For windows user, download the latest binary from the release page and add it to your PATH.
kubectl kubectl-plugins troubleshooting kubernetes debugMayday is a tool to simplify gathering support information. It is built in the spirit of sysreport, son of sysreport (sosreport), and similar support tools. Mayday gathers information about the configuration, hardware, and running state of a system.This will collect a basic set of data and emit it in a tar archive for transmission to a systems administrator, site reliability engineer, or support technician for further troubleshooting.
troubleshooting diagnostics sosreport sysreportWell-formatted and improved trace system calls and signals (when the debugger does not help).Awesome tools strace and dtruss have only one drawback: too much information which is hard to understand without additional sources of information and various configuration options. ctrace resolves it.
debug debugger trace dtrace dtruss strace syscall system-call benchmark performance kernel well-formatted colored-output troubleshooting(c) Pivotal Software, Inc. 2007-2017. See LICENSE.
rabbitmq troubleshooting extrasEasyBuggy is a broken web application in order to understand behavior of bugs and vulnerabilities, for example, memory leak, deadlock, JVM crash, SQL injection and so on. See the wiki page.
buggy vulnerabilities errors exceptions troubleshooting performanceEasyBuggy clone built on Django 2.0. EasyBuggy is a broken web application in order to understand behavior of bugs and vulnerabilities, for example, memory leak, deadlock, infinite loop, SQL injection and so on.
vulnerabilities bugs python3 django errors exceptions troubleshootingEasyBuggy project for Spring Boot
spring-boot java-8 buggy vulnerabilities errors exceptions troubleshooting performanceA small tool to generically introspect BPF maps without requiring to be aware of the specific data structures stored inside. Can print the metadata of the map or its contents in hexadecimal form.
bpf maps debugging troubleshootingBest Practice is to check the code against either the md5sums or sha256sums (or both) before execution of the code. If the md5sums or sha256sums do not match, then changes have been made and its untested, so do not proceed until they match.
apache tuning reporting troubleshooting apache2 httpdThe basic idea behind kn is to use the fact that pods in Kubernetes are modelled after machines. That is, the apps running in containers in the pod can communicate with each other via localhost and transfer data via volumes they can mount into their own filesystem hierarchy as they see fit. So, imagine you want to try something out real quick? Do a short iteration using a scripting language such as Python, Ruby, or Node.js? Might want to jump on a container to debug something in-cluster? Run a quick load test? Then, kn is for you: it offers a collection of shell functions allowing you to quickly launch a pod, jump into it and have the code and data available you need to carry out your task.
kubernetes cli troubleshooting development testingTo demonstrate the different issues and failures as well as how to fix them, I've been using the commands and resources as shown below. NOTE: whenever you see a 📄 icon, it means this is a reference to the official Kubernetes docs.
kubernetes troubleshooting debugging network storage security chaos-engineering observability distributed-tracingFeatures and tweaks to R that I and others would love to see - feel free to add yours!
r bugs features wishlist troubleshooting oddities tweaks suggestionsThese sqlplus scripts are for Oracle Database performance optimization & troubleshooting. Most of the scripts should be runnable directly from SQL Developer too.
oracle database performance tuning troubleshooting sql scripts tools dbaPortable log aggregation tool for middle-scale system operation/troubleshooting. Harvest provides the hrv command with the following features.
log-aggregation log-tail debugging troubleshooting ssh kubernetesThis repo contains detailed guides and help for users to interact with our current testnet. If you find something that is wrong or missing, please make an Issue, or better yet, fork the repo and make a PR to help us improve! It might even qualify for a reward. For more information on this, please see the bounties repo.
joystream helpdesk faq troubleshooting
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