{"id":16349,"date":"2024-11-11T22:09:01","date_gmt":"2024-11-11T18:39:01","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=16349"},"modified":"2024-11-11T22:09:01","modified_gmt":"2024-11-11T18:39:01","slug":"how-to-disable-root-login-on-ubuntu-20-04","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/en\/tutorials\/how-to-disable-root-login-on-ubuntu-20-04\/","title":{"rendered":"How to Disable Root Login in Ubuntu 20.04"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u0645\u0642\u062f\u0645\u0647<\/h2>\n<p>\u062a\u0645\u0627\u0645\u06cc \u0645\u0627\u0634\u06cc\u0646\u200c\u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u0628\u0627 \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0648\u062a \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u06a9\u0647 \u062a\u0645\u0627\u0645\u06cc \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a \u0631\u0627 \u0631\u0648\u06cc \u0633\u06cc\u0633\u062a\u0645 \u062f\u0627\u0631\u062f\u060c \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0646\u0635\u0628 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u061b \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c \u0634\u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0648\u062a (\u0633\u0648\u067e\u0631\u06a9\u0627\u0631\u0628\u0631) \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f. \u0628\u0647\u062a\u0631\u06cc\u0646 \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a\u06cc \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u06a9\u0647 \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 SSH \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0632 \u062f\u0633\u062a\u0631\u0633\u06cc \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0628\u0647 \u0645\u0627\u0634\u06cc\u0646 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u062e\u0648\u062f \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0648\u0631\u0648\u062f \u0631\u0648\u062a\u060c \u062f\u0633\u062a\u0631\u0633\u06cc \u0631\u0648\u062a \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 SSH \u0628\u0647 \u0645\u0627\u0634\u06cc\u0646 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u0634\u0645\u0627 \u0645\u0633\u062f\u0648\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u06a9\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06a9\u0633 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u0628\u0647\u0631\u0647 \u0628\u0628\u0631\u062f. \u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a\u06cc \u062a\u0648\u0635\u06cc\u0647\u200c\u0634\u062f\u0647\u060c \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u0627\u0636\u0627\u0641\u06cc \u0628\u0627 \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u062a\u0645\u0627\u0645\u06cc \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a \u0633\u0648\u067e\u0631\u06a9\u0627\u0631\u0628\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0628\u0647 \u062d\u0633\u0627\u0628 \u0648\u0627\u0631\u062f \u0634\u0648\u06cc\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0634\u0645\u0627 \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u0631\u0627 \u062f\u0631 \u0627\u0648\u0628\u0648\u0646\u062a\u0648 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f \u062a\u0627 \u0627\u0632 \u062f\u0633\u062a\u0631\u0633\u06cc \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0631\u0648\u062a \u0627\u0632 \u0637\u0631\u06cc\u0642 SSH \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0631\u062f\u0647 \u0648 \u0627\u0645\u0646\u06cc\u062a \u0633\u06cc\u0633\u062a\u0645 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u06cc\u062f.<\/p>\n<h5 id=\"%d9%be%db%8c%d8%b4-%d9%86%db%8c%d8%a7%d8%b2%d9%87%d8%a7\">\u067e\u06cc\u0634 \u0646\u06cc\u0627\u0632\u0647\u0627<\/h5>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0634\u0645\u0627 \u0628\u0647 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f:<\/p>\n<ul>\n<li>\u06cc\u06a9 \u0633\u0631\u0648\u0631 \u0627\u0648\u0628\u0648\u0646\u062a\u0648 20.04 \u0628\u0627 \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u063a\u06cc\u0631 \u0631\u0648\u062a \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a sudo \u0628\u0627\u0634\u062f\u060c \u0641\u0627\u06cc\u0631\u0648\u0627\u0644 \u0648 \u062d\u062f\u0627\u0642\u0644 1 \u06af\u06cc\u06af\u0627\u0628\u0627\u06cc\u062a RAM\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0633\u0631\u0648\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0627\u0648\u0628\u0648\u0646\u062a\u0648 20.04 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-1-%d9%88%d8%b1%d9%88%d8%af-%d8%a8%d9%87-%d8%b3%db%8c%d8%b3%d8%aa%d9%85-%d9%88-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-auth-log\">\u0645\u0631\u062d\u0644\u0647 1 \u2014 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0648 \u0628\u0631\u0631\u0633\u06cc auth.log<\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0631\u062d\u0644\u0647\u060c \u0634\u0645\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06a9\u0627\u0631\u0628\u0631 \u063a\u06cc\u0631 \u0631\u0648\u062a \u062e\u0648\u062f \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a sudo \u0627\u0633\u062a \u0628\u0647 \u0633\u0631\u0648\u0631 \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u0634\u0648\u06cc\u062f \u062a\u0627 \u062a\u0644\u0627\u0634\u200c\u0647\u0627\u06cc \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0627 \u0628\u0631\u0631\u0633\u06cc \u0644\u0627\u06af \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a\u060c \u0634\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0647\u0645 \u062a\u0644\u0627\u0634\u200c\u0647\u0627\u06cc \u0648\u0631\u0648\u062f \u0645\u062c\u0627\u0632 \u0648 \u0647\u0645 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062f\u0631 \u0637\u0648\u0644 \u0645\u0631\u0627\u062d\u0644 \u067e\u06cc\u0634\u200c\u0646\u06cc\u0627\u0632\u060c \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u062f \u0648 \u0622\u0646 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u0628\u0647 \u06af\u0631\u0648\u0647 sudo \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u062f \u062a\u0627 \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a \u0645\u062f\u06cc\u0631\u06cc\u062a\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u062f. \u0634\u0645\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u0628\u0631 sudo \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f\u060c \u0632\u06cc\u0631\u0627 \u067e\u0633 \u0627\u0632 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0648\u062a \u0648\u0627\u0631\u062f \u0634\u0648\u06cc\u062f.<\/p>\n<p>\u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0648\u0634 \u0648\u0631\u0648\u062f \u0627\u0646\u062a\u062e\u0627\u0628\u06cc \u062e\u0648\u062f\u060c \u0627\u0632 SSH \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u0631\u0648\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u062f\u0631 \u0637\u0648\u0644 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0633\u0631\u0648\u0631 \u0627\u0632 \u06a9\u0644\u06cc\u062f SSH \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u0628\u0647 \u062d\u0633\u0627\u0628 \u0631\u0648\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0632\u06cc\u0631\u0627 \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a \u0628\u0627 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0631\u0648\u062f \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u06cc\u062f \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0627\u0633\u062a. \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a\u060c \u0627\u0632 \u0648\u0631\u0648\u062f \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u0628\u0627 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u06a9\u0627\u0631\u0628\u0631 sudo \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh sammy@your_server_ip<\/code><\/pre>\n<\/div>\n<p>\u0627\u06af\u0631 \u0627\u0632 \u0631\u0648\u0634 \u0648\u0631\u0648\u062f \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u0631\u0648\u0631 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0627\u0631\u0628\u0631 sudo \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh -i your_private_key sammy@your_server_ip<\/code><\/pre>\n<\/div>\n<p>\u067e\u0631\u0686\u0645 <code>-i<\/code> \u0628\u0647 \u0641\u0627\u06cc\u0644 \u0647\u0648\u06cc\u062a\u06cc \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0627\u0632 \u0622\u0646 \u06a9\u0644\u06cc\u062f \u062e\u0635\u0648\u0635\u06cc \u0634\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a \u062e\u0648\u0627\u0646\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u0633\u067e\u0633\u060c \u0641\u0627\u06cc\u0644 auth.log \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>cd \/var\/log\/\r\nsudo cat auth.log<\/code><\/pre>\n<\/div>\n<p>\u062f\u0631 \u0635\u0648\u0631\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u062e\u0648\u062f \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062e\u0631\u0648\u062c\u06cc \u0645\u0634\u0627\u0628\u0647 \u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>Output\r\nMay 29 18:46:32 ubuntu sshd[3886]: Disconnected from invalid user cally 43.155.90.144 port 47454 [preauth]\r\nMay 29 18:51:56 ubuntu sshd[3890]: Received disconnect from 195.38.129.16 port 10017:11: Bye Bye [preauth]\r\nMay 29 18:51:56 ubuntu sshd[3890]: Disconnected from authenticating user root 195.38.129.16 port 10017 [preauth]\r\nMay 29 18:52:24 ubuntu sshd[3892]: Received disconnect from 178.128.234.248 port 58660:11: Bye Bye [preauth]\r\nMay 29 18:52:24 ubuntu sshd[3892]: Disconnected from authenticating user root 178.128.234.248 port 58660 [preauth]\r\nMay 29 18:52:34 ubuntu sshd[3894]: Received disconnect from 43.134.106.128 port 33854:11: Bye Bye [preauth]\r\nMay 29 18:52:34 ubuntu sshd[3894]: Disconnected from authenticating user root 43.134.106.128 port 33854 [preauth]\r\nMay 29 18:53:07 ubuntu sshd[3896]: Invalid user projects from 176.183.60.72 port 42070\r\nMay 29 18:53:07 ubuntu sshd[3896]: Received disconnect from 176.183.60.72 port 42070:11: Bye Bye [preauth]\r\nMay 29 18:53:07 ubuntu sshd[3896]: Disconnected from invalid user projects 176.183.60.72 port 42070 [preauth]\r\nMay 29 18:57:27 ubuntu sshd[3900]: Received disconnect from 92.255.85.135 port 20436:11: Bye Bye [preauth]\r\nMay 29 18:57:27 ubuntu sshd[3900]: Disconnected from authenticating user root 92.255.85.135 port 20436 [preauth]\r\nMay 29 19:06:40 ubuntu sshd[3903]: Invalid user default from 27.71.207.190 port 57513\r\nMay 29 19:06:41 ubuntu sshd[3903]: Connection closed by invalid user default 27.71.207.190 port 57513 [preauth]\r\n...<\/code><\/pre>\n<\/div>\n<p>\u067e\u0633 \u0627\u0632 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0648 \u0628\u0631\u0631\u0633\u06cc \u0644\u0627\u06af \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a\u060c \u0634\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0633\u0631\u0648\u0631 \u0634\u0645\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0646\u0634\u0627\u0646 \u062f\u0647\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u0631\u0627 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0647 \u0648 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0648 \u0631\u0645\u0632\u0647\u0627\u06cc \u0639\u0628\u0648\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0638\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-2-%d8%ba%db%8c%d8%b1%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d8%b1%d8%af%d9%86-%d9%88%d8%b1%d9%88%d8%af-%d8%b1%d9%88%d8%aa\">\u0645\u0631\u062d\u0644\u0647 2 \u2014 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0648\u0631\u0648\u062f \u0631\u0648\u062a<\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0631\u062d\u0644\u0647\u060c \u0634\u0645\u0627 \u0641\u0627\u06cc\u0644 sshd_config \u0631\u0627 \u0628\u0631\u0627\u06cc \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u0648 \u0633\u067e\u0633 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u062c\u062f\u062f \u0633\u0631\u0648\u06cc\u0633 sshd \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u067e\u0633 \u0627\u0632 \u0627\u0635\u0644\u0627\u062d\u0627\u062a \u0628\u0627\u0632 \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f.<\/p>\n<p>\u0641\u0627\u06cc\u0644 sshd_config \u0634\u0627\u0645\u0644 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a SSH \u0627\u0633\u062a \u06a9\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647\u200c\u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0633\u0631\u0648\u06cc\u0633 sshd \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0633\u0631\u0648\u06cc\u0633 sshd \u0645\u0633\u0626\u0648\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u062a\u0635\u0627\u0644\u0627\u062a SSH \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc\u060c \u0628\u0627\u06cc\u062f \u0633\u0631\u0648\u06cc\u0633 sshd \u0631\u0627 \u0645\u062c\u062f\u062f\u0627\u064b \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo nano \/etc\/ssh\/sshd_config<\/code><\/pre>\n<\/div>\n<p>\u0641\u0627\u06cc\u0644 \u0631\u0627 \u0645\u0631\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u062e\u0637 PermitRootLogin \u0628\u06af\u0631\u062f\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>Output\r\n...\r\n#LoginGraceTime 2m\r\nPermitRootLogin yes\r\n#StrictModes yes\r\n#MaxAuthTries 6\r\n#MaxSessions 10\r\n...<\/code><\/pre>\n<\/div>\n<p>\u0633\u067e\u0633\u060c \u0645\u0642\u062f\u0627\u0631 <code>PermitRootLogin<\/code> \u0631\u0627 \u0627\u0632 <code>yes<\/code> \u0628\u0647 <code>no<\/code> \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>Output\r\n...\r\n#LoginGraceTime 2m\r\nPermitRootLogin no\r\n#StrictModes yes\r\n#MaxAuthTries 6\r\n#MaxSessions 10\r\n...<\/code><\/pre>\n<\/div>\n<p>\u0641\u0627\u06cc\u0644 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0628\u0646\u062f\u06cc\u062f\u060c \u0633\u067e\u0633 \u0633\u0631\u0648\u06cc\u0633 sshd \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u062c\u062f\u062f\u0627\u064b \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo systemctl restart sshd<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-3-%d8%a2%d8%b2%d9%85%d8%a7%db%8c%d8%b4-%d9%88%d8%b1%d9%88%d8%af-%d8%b1%d9%88%d8%aa\">\u0645\u0631\u062d\u0644\u0647 3 \u2014 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0648\u0631\u0648\u062f \u0631\u0648\u062a<\/h2>\n<p>\u067e\u0633 \u0627\u0632 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0648\u0631\u0648\u062f \u0631\u0648\u062a\u060c \u0633\u0639\u06cc \u06a9\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 SSH \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0648\u062a \u0648\u0627\u0631\u062f \u0634\u0648\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u06cc\u0627 \u06a9\u0644\u06cc\u062f SSH \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh root@your_server_ip<\/code><\/pre>\n<\/div>\n<p>\u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0648\u062a \u0628\u0627 \u067e\u06cc\u0627\u0645 \u062e\u0637\u0627 \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0645\u0648\u0627\u062c\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>root@your_server_ip: Permission denied (publickey).<\/code><\/pre>\n<\/div>\n<p>\u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u062c\u062f\u062f \u0628\u0647 \u0633\u0631\u0648\u0631\u060c \u0627\u0632 \u0627\u0639\u062a\u0628\u0627\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u063a\u06cc\u0631 \u0631\u0648\u062a \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a sudo \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ssh sammy@your_server_ip<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\">\u0646\u062a\u06cc\u062c\u0647\u200c<\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0634\u0645\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc sshd \u0631\u0627 \u0628\u0631\u0627\u06cc \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u062f\u0631 \u0627\u0648\u0628\u0648\u0646\u062a\u0648 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u06cc\u062f. \u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u062f \u0686\u06af\u0648\u0646\u0647 \u0648\u0631\u0648\u062f \u0631\u0648\u062a \u0631\u0627 \u0628\u0647 \u0645\u0627\u0634\u06cc\u0646\u200c\u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u062e\u0648\u062f \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u062f\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u0627\u0645\u0646\u06cc\u062a \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0641\u0631\u0627\u0647\u0645 \u06a9\u0646\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"Introduction All Linux-based machines come with a default root user who has all privileges on the system,\u2026","protected":false},"author":1,"featured_media":16350,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0646\u062d\u0648\u0647 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 Root Login","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_primary_category":"193","footnotes":""},"categories":[193,324],"tags":[368],"class_list":{"0":"post-16349","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials","8":"category-security","9":"tag-ubuntu"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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