Using Putty for key login
1: First Use Putty link on server, ensure normal login
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3: Open Puttygen software, 650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M02/97/86/ Wkiom1kveldtynnbaaddzwilcy0379.jpg-wh_500x0-wm_3-wmp_4-s_3715888594.jpg "title=" 1.jpg "alt=" Wkiom1kveldtynnbaaddzwilcy0379.jpg-wh_50 "/>
4: Copy and paste the public key to vim/root/.ssh/Authorized_keys
5: Change on putty side 650) this.width=650; "Src=" https://s5.51cto.com/wyfs02/M00/97/86/ Wkiom1kvejgzcsrhaacd7q1anho920.jpg-wh_500x0-wm_3-wmp_4-s_2263235544.jpg "title=" 2.jpg "alt=" Wkiom1kvejgzcsrhaacd7q1anho920.jpg-wh_50 "/>
6: Login can 650) this.width=650; "Src=" Https://s1.51cto.com/wyfs02/M00/97/86/wKiom1kvenXxjlvQAAA4kY5dUNM357.jpg-wh_ 500x0-wm_3-wmp_4-s_2703405344.jpg "title=" 3.jpg "alt=" Wkiom1kvenxxjlvqaaa4ky5dunm357.jpg-wh_50 "/>
Putty key Authentication login and Xshell key authentication login