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4 Reasons Why SSH Connection Fails

As DevOps or IT professionals, people may ask us why they can’t ssh to servers. It happens from time to time. Isn’t right? Not much fun. Just routine work.

Want to ease the pain and burden? Let’s examine common ssh failures together. Next time forward this link to your colleagues, if useful. People may be able to identify the root cause all by themselves, or be efficient in collecting all necessary information, before turning to us.

Why SSH Connection Failed


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Manage SSH Key File With Passphrase

Any serious DevOps will only ssh by key file. Not with password, right? And mostly our powerful key file can unlock many critical envs. Have you ever uploaded your private key to other envs, like jumpbox? What if your key is magically stolen by hackers somehow?
Time to protect your sensitive ssh key by passphrase. And live with it, headache-free.

Manage SSH Key File With Passphrase


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A Complete And Easy Guide To Check Elasticsearch

To poll Elasticsearch db status, we usually need to learn and try many many REST API. When we’re new, it would take quite a while to put all the pieces together.

As Ops/DevOps, we are usually more concerned about cluster health and data inside. Enclosed is A Simple Step-By-Step Guide to check elasticsearch. Cluster, Nodes, Shards, Indices, Documents And Beyond.

The Complete Guide To Query And Check Elasticsearch


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