You need todocumentwhat you have done. Doing this will help you to achieve structured troubleshooting and allow you, if necessary, to roll back. More importantly, if you need to involve other more senior technicians, you will be able to answer their first request: "Tell me what you have d...
GET / HTTP/1.1 Host: example.com Connection: Close Redis is another common example. In an AWS settings I will need to connect via TLSanduse credentials. Here’s how: openssl s_client-connectelasticache-serverless-xyz123.serverless.euw1.cache.amazonaws.com:6379... Auth my-user my-password ...
:small_orange_diamond: sysdig - system exploration and troubleshooting tool with first class support for containers. :small_orange_diamond: Valgrind - is an instrumentation framework for building dynamic analysis tools. :small_orange_diamond: glances - cross-platform system monitoring tool written in ...
I want to point out a general note on my troubleshooting methodology in this article. Notice that I began with the simple stuff: physical connectivity, service status, service configuration, logs, and such. Begin with the simple things and move toward the more complicated. Just because a netwo...
:dizzy: A collection of awesome lists, manuals, blogs, hacks, one-liners, cli/web tools and more. Especially for System and Network Administrators, DevOps, Pentesters or Security Researchers. - developeramarish/the-book-of-secret-knowledge
What if troubleshooting takes admins to the server and they need to manage network services, such as DNS or Dynamic Host Configuration Protocol (DHCP)? The first thing they likely do is check the status of the service. Next, they probably restart the service. It's surprising how often a ...
If the service rep cannot help the customer right away, the customer is transferred to someone who is more experienced in troubleshooting the problem. That person is part of the second support tier. If this more experienced rep cannot solve the problem, or if it takes him or her too long ...
🔸 sysdig - system exploration and troubleshooting tool with first class support for containers. 🔸 Valgrind - is an instrumentation framework for building dynamic analysis tools. 🔸 glances - cross-platform system monitoring tool written in Python. 🔸 htop - interactive text-mode process viewer...
You now know how to write your own troubleshooting scripts with the iperf3 Python API. You should probably write an iperf3serverthat can show the results using a web browser (maybe combine it withFastAPI?). About the author Jose Vicente Nunez ...
🔸 sysdig - system exploration and troubleshooting tool with first class support for containers. 🔸 Valgrind - is an instrumentation framework for building dynamic analysis tools. 🔸 glances - cross-platform system monitoring tool written in Python. 🔸 htop - interactive text-mode process viewer...