List All Running Port On Ubuntu

If you want to list all used port on ubuntu server, you can use netstat, example : netstat -tlnp Command above will list all port used, t mean tcp, l mean listening port, n mean show numeric, p mean show pid. Or you can use this helper to explain the command   . . . selengkapnya>>

Gitignore Ignored By Git

One day I setup gitignore for existing project/repository, the expected result is all file/folder defined on gitignore is ignored by git when doing commit or push, but when I commit/push the code, file and folder defined on gitignore is still pushed to repository. After some google I found that git is likely caching this, and we need to delete this cache to. . . selengkapnya>>

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Git With Specific SSH Key

Lately, I use gitlab for some project, but then problem happen since gitlab did not accept duplicate ssh key for deployment server, so I create other ssh key on my deployment server. After that I expect that git will work like magic and know where the new ssh key haha, but reality is not always like expectation, git did not know where the ssh key, we need to. . . selengkapnya>>