linux无密码登陆
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⑵ 濡备綍阃氲繃linux ssh杩灭▼linux涓岖敤杈揿叆瀵嗙爜锏诲叆
濡备綍阃氲繃涓鍙发inux ssh杩灭▼鍏朵粬linux链嶅姟鍣ㄦ椂锛屼笉瑕佽緭鍏ュ瘑镰侊纴鍙浠ヨ嚜锷ㄧ橱鍏ャ傛彁楂樿繙绋嬫晥鐜囷纴涓岖敤璁板繂钖勫彴链嶅姟鍣ㄧ殑瀵嗙爜銆
棣栧厛锏诲叆涓鍙发inux链嶅姟鍣锛屾ゅ彴锅氢负姣嶆満锛埚嵆锏诲叆鍏朵粬linux绯荤粺鐢ㄨ繖鍙板仛涓哄叆鍙ｏ级锛涙墽琛屼竴琛屽懡浠ょ敓鎴恔ey鏂囦欢锛歴sh-keygen -t rsa
鍦ㄦ瘝链轰笂锛岃繘鍏/roo/.ssh鐩褰曪纴镓惧埌id_rsa.pub璇ユ枃浠讹纴杩欎釜鏂囦欢灏辨槸鍒氭墠镓ц宻sh-keygen镓鐢熸垚镄勫叕阍key鏂囦欢銆
鐢╯cp锻戒护锛屽皢姣嶆満浜х敓镄刱ey𨰾蜂竴浠藉埌杩灭▼镄刲inux链嶅姟鍣ㄤ笂锛屽苟锻藉悕鎴恒uthorized_keys锛泂cp ~/.ssh/id_rsa.pub [email protected]:/root/.ssh/authorized_keys銆傝繖涓姝ョ殑镎崭綔闇瑕佹坠锷ㄨ緭鍏ュ瘑镰併
鐜板湪涓烘锛屼綘宸插畬鎴愪简镓链夌殑镎崭綔锛涘彲鍦ㄦ瘝链洪氲繃ssh [email protected] 浣犱细鍙戠幇涓嶅湪鐢ㄨ緭鏀惧瘑镰佷简銆傜浉钖岀殑scp锻戒护涔熸槸涓镙风殑𨱍呭喌锛屾棤闇镓嫔姩杈揿叆瀵嗙爜銆
⑶ Linux镐庝箞閰岖疆鍙屾満SSH浜掔浉淇′换瀹炵幇鍏嶅瘑镰佺橱褰
钖勪綅濂斤纴链绡囧皢阃氲繃涓ゅ彴链哄櫒镄勯厤缃浠嬬粛濡备綍瀹炵幇鍙屽悜浜掔浉锏诲綍镞犻渶瀵嗙爜璁よ瘉銆傛湰绡囦娇鐢ㄤ竴绉嶆柟寮忚绉颁负鍏绉侀挜璁よ瘉镄勬柟寮忔潵杩涜宻sh锏诲綍銆傚叕绉侀挜璁よ瘉鏂瑰纺绠鍗旷殑瑙ｉ喷鏄锛氶栧厛鍦ㄥ㈡埛绔涓婂垱寤轰竴瀵瑰叕绉侀挜锛埚叕阍ユ枃浠讹细~/.ssh/id_rsa.pub锛涚侀挜鏂囦欢锛殈/.ssh/id_rsa锛夛纴铹跺悗鎶婂叕阍ユ斁鍒版湇锷″櫒涓婏纸~/.ssh/authorized_keys锛夛纴镊宸变缭鐣椤ソ绉侀挜銆傚綋ssh锏诲綍镞讹纴ssh绋嫔簭浼氩彂阃佺侀挜铡诲拰链嶅姟鍣ㄤ笂镄勫叕阍ュ仛鍖归厤銆傚傛灉鍖归厤鎴愬姛灏卞彲浠ョ橱褰曚简銆备笅闱㈠皢璇︾粏浠嬬粛濡备綍閰岖疆銆
1銆侀栧厛鎴戜滑闇瑕佺‘淇濅袱鍙版満鍣ㄥ彲浠ヨ繛阃氾纴骞朵笖閮藉紑钖浜唖sh璁よ瘉链嶅姟銆傛垜浠鍙浠ユ墽琛ping锻戒护𨱒ョ‘淇濅袱鍙版満鍣ㄦ槸钖﹀彲浠ヨ繛阃氥傚叿浣撴搷浣滃备笅锲炬墍绀
2銆佺劧钖庣‘淇濇槸钖﹂兘寮钖浜唖shd链嶅姟銆傛墽琛屽懡浠ps -ef | grep sshd 镆ョ湅鏄钖﹀紑钖銆傚叿浣揿𪾢绀哄备笅锲炬墍绀恒
3銆佺劧钖庢垜浠鍦ˋ链猴纸192.168.3.132锛変笂鐢熸垚涓瀵瑰叕阍ャ佺侀挜銆傞噰鐢ㄥ懡浠ssh-keygen -t rsa -P 𨱒ヨ繘琛岀敓鎴愩傚叿浣撴搷浣滃备笅锲炬墍绀恒
4銆佺敓鎴愬畬姣曞悗锛岀劧钖庡皢鐢熸垚镄勫叕阍ラ氲繃scp锻戒护𨰾疯礉鍒痫链猴纸192.168.3.159锛夌殑root/.ssh/鐩褰曚笅銆傜敓鎴愮殑鍏阍ラ粯璁ょ洰褰曚负锛/root/.ssh/銆鎴戜滑镓ц屽懡浠scp /root/.ssh/id_rsa.pub 192.168.3.159:/root/.ssh/authorized_keys镓ц屾枃浠舵嫹璐濆伐浣滐纴𨰾疯礉鍒痫链轰笂鏂囦欢杩涜屼简閲嶅懡钖崭负锛歛uthorized_keys銆傚叿浣撴搷浣滃备笅锲炬墍绀恒
5銆佺劧钖庢垜浠鍦ˋ链轰笂阃氲繃ssh杩炴帴B链哄苟镓ц屽懡浠date,镆ョ湅B链虹殑镞堕棿銆傛垜浠镓ц屽懡浠わ细ssh 192.168.3.159 date鍙浠ョ湅鍒颁笉闇瑕佽緭鍏ュ瘑镰佸氨鍙浠ョ橱褰旴链轰简銆傚叿浣揿𪾢绀哄备笅锲炬墍绀恒傛垜浠宸茬粡閰岖疆濂戒简A链虹橱褰旴链轰笉闇瑕佸瘑镰佺殑鏂瑰纺銆
6銆佸悓镙峰湪B链轰笂鎴戜滑镓ц屽懡浠ssh-keygen -t rsa -P ,鐢熸垚涓瀵瑰叕阍ャ佺侀挜銆傚叿浣撴搷浣滃备笅锲炬墍绀恒
7銆佺劧钖庡皢鐢熸垚镄勫叕阍ラ氲繃scp锻戒护锛屾嫹璐濆埌A链猴纸192.168.3.132锛変笂銆傛ゅ勬墽琛屽懡浠scp /root/.ssh/id_rsa.pub 192.168.3.132:/root/.ssh/authorized_keys,𨰾疯礉鍒痨链轰笂鏂囦欢钖岖О涓篴uthorized_keys銆傚叿浣撴搷浣滃备笅锲炬墍绀恒
8銆佺劧钖庡悓镙锋垜浠鍦˙链猴纸192.168.3.159锛変笂镓ц屽懡浠ssh 192.168.3.132 date涓嶉渶瑕佽緭鍏A链哄瘑镰佸氨鍙浠ュ缑鍒痨链虹殑镞堕棿銆傚叿浣撴搷浣滃备笅锲炬墍绀恒