https://quicktasks.ismael.casimpan.com/tags/public-key/Recent content in public-key on IT QuicktasksHugo -- gohugo.ioCopyright © 2018–2022, Ismael Casimpan Jr.; All Rights ReservedFri, 29 May 2020 23:17:11 +0800https://quicktasks.ismael.casimpan.com/post/telling-git-to-use-specific-private-key/Fri, 29 May 2020 23:17:11 +0800https://quicktasks.ismael.casimpan.com/post/telling-git-to-use-specific-private-key/ Sometimes, you need to use specific keys. To do it, use ssh config, something like below in ~/.ssh/config 1host github.com 2HostName github.com 3IdentityFile ~/.ssh/id_rsa_github 4User git See details in https://superuser.com/questions/232373/how-to-tell-git-which-private-key-to-usehttps://quicktasks.ismael.casimpan.com/post/remove-bad-keys-from-known_hosts/Thu, 02 Apr 2020 18:36:44 +0800https://quicktasks.ismael.casimpan.com/post/remove-bad-keys-from-known_hosts/ Sample 1icasimpan-local:~ icasimpan$ ssh root@99.206.157.36 2@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 3@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ 4@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 5IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! 6Someone could be eavesdropping on you right now (man-in-the-middle attack)! 7It is also possible that a host key has just been changed. 8The fingerprint for the ECDSA key sent by the remote host is 9SHA256:AbJnvQd/cMEDiN0ohMp6gdmBYRhRRp6h8iOBJf0m4Zs. 10Please contact your system administrator. 11Add correct host key in /Users/icasimpan/.ssh/known_hosts to get rid of this message.https://quicktasks.ismael.casimpan.com/post/retrieve-ssh-public-key-from-private-key/Thu, 02 Apr 2020 18:36:44 +0800https://quicktasks.ismael.casimpan.com/post/retrieve-ssh-public-key-from-private-key/ 1ssh-keygen -y -f ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub See details in https://askubuntu.com/questions/53553/how-do-i-retrieve-the-public-key-from-a-ssh-private-key