{"id":85086,"date":"2026-07-27T00:40:35","date_gmt":"2026-07-26T16:40:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85086.html"},"modified":"2026-07-27T00:40:35","modified_gmt":"2026-07-26T16:40:35","slug":"90-%e6%96%b0%e6%89%8b%e8%b8%a9%e5%9d%91%ef%bc%9asshd-%e5%90%af%e5%8a%a8%e5%a4%b1%e8%b4%a5%e3%80%81%e7%ab%af%e5%8f%a3%e5%8d%a0%e7%94%a8%e3%80%81%e6%97%b6%e9%97%b4%e4%b8%8d%e5%90%8c%e6%ad%a5%e5%ae%8c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85086.html","title":{"rendered":"90% \u65b0\u624b\u8e29\u5751\uff1asshd \u542f\u52a8\u5931\u8d25\u3001\u7aef\u53e3\u5360\u7528\u3001\u65f6\u95f4\u4e0d\u540c\u6b65\u5b8c\u6574\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"

Linux \u65e5\u5fd7\u3001\u65f6\u95f4\u3001\u7f51\u7edc\u5168\u5957\u5b9e\u6218\u6559\u7a0b<\/h2>\n

\u4e00\u3001Linux \u65e5\u5fd7\u7ba1\u7406\u8be6\u89e3（rsyslog + journald）<\/h3>\n

1.1 rsyslog \u7cfb\u7edf\u65e5\u5fd7\u670d\u52a1<\/h4>\n

CentOS 7 \u9ed8\u8ba4\u4f7f\u7528 rsyslog \u4f5c\u4e3a\u7cfb\u7edf\u65e5\u5fd7\u6536\u96c6\u670d\u52a1，\u7edd\u5927\u591a\u6570\u7cfb\u7edf\u670d\u52a1\u3001\u8ba4\u8bc1\u3001\u62a5\u9519\u90fd\u4f1a\u88ab\u7edf\u4e00\u8bb0\u5f55\u3002<\/p>\n

\u6838\u5fc3\u77e5\u8bc6\u70b9<\/h5>\n
  • \u5e76\u975e\u6240\u6709\u7a0b\u5e8f\u90fd\u7531 rsyslog \u8bb0\u5f55\u65e5\u5fd7，\u53d6\u51b3\u4e8e\u7a0b\u5e8f\u5f00\u53d1\u8005\u8bbe\u8ba1
    \nsshd：\u4ea4\u7531 syslog \u8bb0\u5f55\u767b\u5f55\u3001\u62a5\u9519\u65e5\u5fd7
    \nhttpd\/nginx：\u81ea\u5e26\u72ec\u7acb\u65e5\u5fd7\u76ee\u5f55，\u4e0d\u4f9d\u8d56 rsyslog<\/li>\n
  • sshd \u65e5\u5fd7\u5173\u8054\u914d\u7f6e```bash
    \nliuyifei@server ~ 22:00:10$ grep AUTHPRIV \/etc\/ssh\/sshd_config
    \nliuyifei@server ~ 22:00:15$ grep ^authpri \/etc\/rsyslog.conf<\/li>\n

    \u9ed8\u8ba4\u8ba4\u8bc1\u65e5\u5fd7\u8def\u5f84：`\/var\/log\/secure`<\/p>\n

    ### 1.2 \u7ecf\u5178\u6545\u969c\u5b9e\u6218（SSHD \u670d\u52a1\u6392\u9519）
    \n#### \u6545\u969c 1：sshd_config \u914d\u7f6e\u6587\u4ef6\u4e22\u5931
    \n##### \u6545\u969c\u6a21\u62df
    \n```bash
    \nliuyifei@server ~ 22:05:20 $ mv \/etc\/ssh\/sshd_config .
    \nliuyifei@server ~ 22:05:28 $ systemctl restart sshd<\/p>\n

    \u65e5\u5fd7\u6392\u67e5（\u5b9e\u65f6\u76d1\u63a7）<\/h6>\n

    liuyifei@server ~ 22<\/span>:06:10 $ tail<\/span> -f<\/span> \/var\/log\/messages
    \n# \u62a5\u9519\u5173\u952e\u4fe1\u606f<\/span>
    \nJul 27<\/span> 22<\/span>:05:41 server sshd: \/etc\/ssh\/sshd_config: No such file<\/span> or directory
    \nJul 27<\/span> 22<\/span>:05:41 server systemd: Failed to start OpenSSH server daemon.<\/p>\n

    \u4fee\u590d\u65b9\u6848<\/h6>\n

    liuyifei@server ~ 22<\/span>:07:02$ mv<\/span> sshd_config \/etc\/ssh\/
    \nliuyifei@server ~ 22<\/span>:07:10$ systemctl restart sshd<\/p>\n

    \u6545\u969c 2：sshd_config \u914d\u7f6e\u53c2\u6570\u975e\u6cd5<\/h5>\n
    \u6545\u969c\u6a21\u62df<\/h6>\n

    liuyifei@server ~ 22<\/span>:10:01$ echo<\/span> hello world >><\/span> \/etc\/ssh\/sshd_config
    \nliuyifei@server ~ 22<\/span>:10:10$ systemctl restart sshd<\/p>\n

    \u65e5\u5fd7\u6392\u67e5<\/h6>\n

    liuyifei@server ~ 22<\/span>:10:20 $ tail<\/span> -f<\/span> \/var\/log\/messages
    \n# \u62a5\u9519\u5173\u952e\u4fe1\u606f<\/span>
    \nJul 27<\/span> 22<\/span>:10:21 server sshd: \/etc\/ssh\/sshd_config: line 144<\/span>: Bad configuration option: hello
    \nJul 27<\/span> 22<\/span>:10:21 server systemd: Failed to start OpenSSH server daemon.<\/p>\n

    \u4fee\u590d\u65b9\u6848<\/h6>\n

    \u5220\u9664\u975e\u6cd5\u914d\u7f6e，\u91cd\u542f\u670d\u52a1\u3002<\/p>\n

    liuyifei@server ~ 22<\/span>:11:05$ sed<\/span> -i<\/span> '\/hello\/d'<\/span> \/etc\/ssh\/sshd_config
    \nliuyifei@server ~ 22<\/span>:11:12$ systemctl restart sshd<\/p>\n

    \u6545\u969c3：\u670d\u52a1\u7aef\u53e3\u5360\u7528（sshd 22 \u7aef\u53e3\u88ab\u5360）<\/h5>\n
    \u6545\u969c\u73b0\u8c61<\/h6>\n

    systemd \u7ba1\u7406\u7684 sshd \u91cd\u542f\u5931\u8d25，\u4f46\u5ba2\u6237\u7aef\u4f9d\u65e7\u53ef\u4ee5\u8fdc\u7a0b\u8fde\u63a5\u3002##### \u6392\u67e5\u65e5\u5fd7<\/p>\n

    liuyifei@server ~ 22<\/span>:15:25 $ journalctl -u<\/span> sshd
    \n# \u5173\u952e\u62a5\u9519<\/span>
    \nJul 27<\/span> 22<\/span>:15:58 server sshd[<\/span>6809<\/span>]<\/span>: error: Bind to port 22<\/span> on 0.0<\/span>.0.0 failed: Address already in<\/span> use.
    \nJul 27<\/span> 22<\/span>:15:58 server sshd[<\/span>6809<\/span>]<\/span>: fatal: Cannot bind<\/span> any address.<\/p>\n

    \u6839\u56e0<\/h6>\n

    \u624b\u52a8\u6267\u884c \/sbin\/sshd \u542f\u52a8\u8fdb\u7a0b，\u8131\u79bb systemd \u7ba1\u7406，\u5360\u7528 22 \u7aef\u53e3\u3002##### \u4fee\u590d\u65b9\u6848<\/p>\n

    liuyifei@server ~ 22<\/span>:16:30 $ pkill<\/span> -9<\/span> sshd
    \nliuyifei@server ~ 22<\/span>:16:42 $ systemctl restart sshd<\/p>\n

    1.3 systemd-journald \u4e8c\u8fdb\u5236\u65e5\u5fd7<\/h4>\n

    journald \u662f systemd \u81ea\u5e26\u65e5\u5fd7\u670d\u52a1，\u4e8c\u8fdb\u5236\u5b58\u50a8，\u5b89\u5168\u6027\u66f4\u9ad8，\u652f\u6301\u6309\u670d\u52a1\u3001\u65f6\u95f4\u3001\u7ea7\u522b\u7cbe\u51c6\u8fc7\u6ee4\u3002<\/p>\n

    \u914d\u7f6e\u6587\u4ef6<\/h5>\n

    \u8def\u5f84：\/etc\/systemd\/journald.conf
    \n\u6838\u5fc3\u53c2\u6570 Storage<\/p>\n

      \n
    • persistent：\u6301\u4e45\u5316\u5b58\u50a8，\u91cd\u542f\u4e0d\u4e22\u5931，\u5b58\u653e \/var\/log\/journal<\/li>\n
    • volatile：\u4e34\u65f6\u5b58\u50a8，\u4ec5\u5185\u5b58，\u91cd\u542f\u4e22\u5931<\/li>\n
    • auto：\u9ed8\u8ba4，\u6709\u76ee\u5f55\u5219\u6301\u4e45\u5316，\u5426\u5219\u4e34\u65f6\u5b58\u50a8<\/li>\n<\/ul>\n
      \u5f00\u542f\u6301\u4e45\u5316\u65e5\u5fd7<\/h5>\n

      liuyifei@server ~ 22<\/span>:18:10 $ vim<\/span> \/etc\/systemd\/journald.conf
      \n# \u4fee\u6539<\/span>
      \nStorage<\/span>=<\/span>persistent
      \n# \u91cd\u542f\u670d\u52a1\u751f\u6548<\/span>
      \nliuyifei@server ~ 22<\/span>:18:40 $ systemctl restart systemd-journald<\/p>\n

      1.4 journalctl \u9ad8\u9891\u67e5\u8be2\u547d\u4ee4（\u751f\u4ea7\u5e38\u7528）<\/h4>\n

      # \u5b9e\u65f6\u76d1\u63a7\u65e5\u5fd7<\/span>
      \nliuyifei@server ~ 22<\/span>:20:00 $ journalctl -f<\/span><\/p>\n

      # \u67e5\u770b\u672c\u6b21\u5f00\u673a\u6240\u6709\u65e5\u5fd7<\/span>
      \nliuyifei@server ~ 22<\/span>:20:10 $ journalctl -b<\/span> 0<\/span><\/p>\n

      # \u67e5\u770b\u6700\u8fd15\u6761\u65e5\u5fd7<\/span>
      \nliuyifei@server ~ 22<\/span>:20:20 $ journalctl -n<\/span> 5<\/span><\/p>\n

      # \u53ea\u67e5\u770b\u9519\u8bef\u7ea7\u522b\u65e5\u5fd7<\/span>
      \nliuyifei@server ~ 22<\/span>:20:30 $ journalctl -p<\/span> err<\/p>\n

      # \u67e5\u770b\u4eca\u65e5\u6240\u6709\u65e5\u5fd7<\/span>
      \nliuyifei@server ~ 22<\/span>:20:40 $ journalctl –since<\/span> today<\/p>\n

      # \u67e5\u770b\u6307\u5b9a\u670d\u52a1\u65e5\u5fd7（\u91cd\u70b9！\u6392\u9519\u795e\u5668）<\/span>
      \nliuyifei@server ~ 22<\/span>:20:50$ journalctl -u<\/span> sshd.service
      \nliuyifei@server ~ 22<\/span>:21:00$ journalctl -u<\/span> httpd.service<\/p>\n

      1.5 httpd \u670d\u52a1\u914d\u7f6e\u9519\u8bef\u6392\u9519\u5b9e\u6218<\/h4>\n

      \u6545\u969c\u6a21\u62df（\u7aef\u53e3\u975e\u6cd5）<\/h5>\n

      liuyifei@server ~ 22<\/span>:25:10$ yum install<\/span> -y<\/span> httpd
      \nliuyifei@server ~ 22<\/span>:26:00$ sed<\/span> -i<\/span> 's\/Listen 80\/Listen 80000\/g'<\/span> \/etc\/httpd\/conf\/httpd.conf
      \nliuyifei@server ~ 22<\/span>:26:20$ systemctl restart httpd<\/p>\n

      \u65e5\u5fd7\u6392\u67e5<\/h5>\n

      liuyifei@server ~ 22<\/span>:26:30 $ journalctl -f<\/span>
      \nJul 27<\/span> 22<\/span>:26:49 server httpd[<\/span>2877<\/span>]<\/span>: AH00526: Syntax error on line 42<\/span> of \/etc\/httpd\/conf\/httpd.conf: Invalid address or port<\/p>\n

      \u4fee\u590d<\/h5>\n

      liuyifei@server ~ 22<\/span>:27:10$ sed<\/span> -i<\/span> 's\/Listen 80000\/Listen 80\/g'<\/span> \/etc\/httpd\/conf\/httpd.conf
      \nliuyifei@server ~ 22<\/span>:27:20$ systemctl restart httpd<\/p>\n

      \n

      \u4e8c\u3001Linux \u65f6\u95f4\u7ba1\u7406（\u65f6\u95f4\u6821\u51c6 + \u65f6\u533a + Chrony \u65f6\u95f4\u670d\u52a1\u5668）<\/h3>\n

      2.1 \u65f6\u95f4\u76f8\u5173\u4e09\u5927\u547d\u4ee4<\/h4>\n

      date \u7cfb\u7edf\u65f6\u95f4<\/h5>\n

      # \u67e5\u770b\u65f6\u95f4<\/span>
      \nliuyifei@server ~ 22<\/span>:30:00$ date<\/span>
      \n# \u8bbe\u7f6e\u82f1\u6587\u683c\u5f0f\u65f6\u95f4（\u5fc5\u987b\u82f1\u6587\u683c\u5f0f\u624d\u80fd\u4fee\u6539）<\/span>
      \nliuyifei@server ~ 22<\/span>:30:10$ date<\/span> -s<\/span> 'Mon Jul 27 22:30:00 2026'<\/span><\/p>\n

      hwclock \u786c\u4ef6\u65f6\u949f<\/h5>\n

      # \u67e5\u770b\u786c\u4ef6\u65f6\u95f4<\/span>
      \nliuyifei@server ~ 22<\/span>:31:00$ hwclock -r<\/span>
      \n# \u7cfb\u7edf\u65f6\u95f4\u5199\u5165\u786c\u4ef6\u65f6\u95f4<\/span>
      \nliuyifei@server ~ 22<\/span>:31:10$ hwclock -w<\/span>
      \n# \u786c\u4ef6\u65f6\u95f4\u540c\u6b65\u5230\u7cfb\u7edf\u65f6\u95f4<\/span>
      \nliuyifei@server ~ 22<\/span>:31:20$ hwclock -s<\/span><\/p>\n

      timedatectl \u7edf\u4e00\u65f6\u95f4\u7ba1\u7406<\/h5>\n

      # \u67e5\u770b\u5b8c\u6574\u65f6\u95f4\u4fe1\u606f<\/span>
      \nliuyifei@server ~ 22<\/span>:32:00$ timedatectl<\/p>\n

      # \u5173\u95ed\u81ea\u52a8\u5bf9\u65f6，\u624d\u80fd\u624b\u52a8\u6539\u65f6\u95f4<\/span>
      \nliuyifei@server ~ 22<\/span>:32:10$ timedatectl set-ntp no<\/p>\n

      # \u624b\u52a8\u8bbe\u7f6e\u65f6\u95f4<\/span>
      \nliuyifei@server ~ 22<\/span>:32:20$ timedatectl set-time '2026-07-27 22:30:00'<\/span><\/p>\n

      # \u8bbe\u7f6e\u65f6\u533a（\u6807\u51c6\u5317\u4eac\u65f6\u95f4）<\/span>
      \nliuyifei@server ~ 22<\/span>:32:30$ timedatectl set-timezone Asia\/Shanghai<\/p>\n

      2.2 tzselect \u4ea4\u4e92\u5f0f\u65f6\u533a\u9009\u62e9<\/h4>\n

      liuyifei@server ~ 22<\/span>:35:00 $ tzselect
      \n# \u4f9d\u6b21\u9009\u62e9：5 Asia \u2192 9 China \u2192 1 Beijing Time \u2192 yes<\/span>
      \n# \u6700\u7ec8\u65f6\u533a：Asia\/Shanghai<\/span><\/p>\n

      2.3 chrony \u65f6\u95f4\u540c\u6b65\u670d\u52a1（\u751f\u4ea7\u6807\u914d）<\/h4>\n

      CentOS 7 \u9ed8\u8ba4\u4f7f\u7528 chronyd \u66ff\u4ee3 ntpd，\u66f4\u5feb\u3001\u66f4\u7a33\u5b9a\u3002<\/p>\n

      \u5ba2\u6237\u7aef\u914d\u7f6e（\u540c\u6b65\u516c\u7f51\u65f6\u95f4）<\/h5>\n

      # \u5b89\u88c5<\/span>
      \nliuyifei@server ~ 22<\/span>:40:00$ yum install<\/span> -y<\/span> chrony<\/p>\n

      # \u4fee\u6539\u65f6\u95f4\u670d\u52a1\u5668\u4e3a\u963f\u91cc\u4e91<\/span>
      \nliuyifei@server ~ 22<\/span>:40:10$ vim<\/span> \/etc\/chrony.conf
      \nserver ntp.aliyun.com iburst<\/p>\n

      # \u542f\u52a8\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/span>
      \nliuyifei@server ~ 22<\/span>:40:20$ systemctl enable<\/span> chronyd –now<\/span><\/p>\n

      # \u9a8c\u8bc1\u5bf9\u65f6\u72b6\u6001<\/span>
      \nliuyifei@server ~ 22<\/span>:40:30$ chronyc sources -v<\/span><\/p>\n

      \u81ea\u5efa\u5185\u7f51\u65f6\u95f4\u670d\u52a1\u5668（\u670d\u52a1\u7aef + \u5ba2\u6237\u7aef）<\/h5>\n
      \u670d\u52a1\u7aef\u914d\u7f6e（10.1.8.10）<\/h6>\n

      liuyifei@server ~ 22<\/span>:45:00 $ vim<\/span> \/etc\/chrony.conf
      \n# \u5141\u8bb8\u5185\u7f51\u7f51\u6bb5\u540c\u6b65<\/span>
      \nbindaddress 10.1<\/span>.8.10
      \nallow 10.1<\/span>.8.0\/24<\/p>\n

      liuyifei@server ~ 22<\/span>:45:20 $ systemctl restart chronyd
      \nliuyifei@server ~ 22<\/span>:45:30 $ systemctl stop firewalld<\/p>\n

      \u5ba2\u6237\u7aef\u914d\u7f6e<\/h6>\n

      liuyifei@client ~ 22<\/span>:46:00 $ vim<\/span> \/etc\/chrony.conf
      \n# \u540c\u6b65\u5185\u7f51\u65f6\u95f4\u670d\u52a1\u5668<\/span>
      \nserver 10.1<\/span>.8.10 iburst<\/p>\n

      liuyifei@client ~ 22<\/span>:46:20 $ systemctl restart chronyd
      \nliuyifei@client ~ 22<\/span>:46:30 $ chronyc sources -v<\/span><\/p>\n

      \n

      \u4e09\u3001Linux \u7f51\u7edc\u7ba1\u7406\u5168\u5957（\u67e5\u770b + \u914d\u7f6e + \u6392\u9519）<\/h3>\n

      3.1 \u7f51\u7edc\u57fa\u7840\u67e5\u770b\u547d\u4ee4<\/h4>\n

      1. \u7f51\u5361\u4fe1\u606f\u67e5\u770b<\/h5>\n

      # \u7b80\u6d01\u67e5\u770b\u7f51\u5361<\/span>
      \nliuyifei@server ~ 22<\/span>:50:00 $ ip<\/span> -br<\/span> link<\/span><\/p>\n

      # \u8be6\u7ec6\u7f51\u5361\u4fe1\u606f<\/span>
      \nliuyifei@server ~ 22<\/span>:50:10 $ ip<\/span> link<\/span> show ens32<\/p>\n

      2. IP \u5730\u5740\u67e5\u770b<\/h5>\n

      liuyifei@server ~ 22<\/span>:51:00$ ip<\/span> -br<\/span> a
      \nliuyifei@server ~ 22<\/span>:51:10$ ip<\/span> addr show ens32<\/p>\n

      3. \u8def\u7531\u7f51\u5173\u67e5\u770b<\/h5>\n

      liuyifei@server ~ 22<\/span>:52:00$ ip<\/span> route
      \nliuyifei@server ~ 22<\/span>:52:10$ route -n<\/span><\/p>\n

      4. DNS \u67e5\u770b<\/h5>\n

      liuyifei@server ~ 22<\/span>:53:00$ cat<\/span> \/etc\/resolv.conf<\/p>\n

      3.2 \u7f51\u7edc\u8fde\u901a\u6027\u6d4b\u8bd5<\/h4>\n

      ping \u8fde\u901a\u6027\u6d4b\u8bd5<\/h5>\n

      liuyifei@server ~ 22<\/span>:55:00$ ping<\/span> baidu.com -c<\/span> 4<\/span> -w<\/span> 2<\/span><\/p>\n

      mtr \u8def\u7531\u8ffd\u8e2a（\u6392\u9519\u9996\u9009）<\/h5>\n

      liuyifei@server ~ 22<\/span>:56:00$ mtr<\/span> -n<\/span> 1.1<\/span>.1.1<\/p>\n

      3.3 ss \u7f51\u7edc\u7aef\u53e3\u67e5\u770b（\u66ff\u4ee3 netstat）<\/h4>\n

      # \u67e5\u770bssh\u76d1\u542c\u7aef\u53e3<\/span>
      \nliuyifei@server ~ 23<\/span>:00:00$ ss -l<\/span> |<\/span>grep<\/span> :ssh<\/p>\n

      # \u67e5\u770b\u6240\u6709ipv4\u76d1\u542c\u7aef\u53e3<\/span>
      \nliuyifei@server ~ 23<\/span>:00:10$ ss -an4<\/span><\/p>\n

      # \u67e5\u770b\u7aef\u53e3\u5bf9\u5e94\u8fdb\u7a0b<\/span>
      \nliuyifei@server ~ 23<\/span>:00:20$ ss -lnp4|<\/span>grep<\/span> :22
      \nliuyifei@server ~ 23<\/span>:00:30$ ss -lnp4|<\/span>grep<\/span> :80<\/p>\n

      \u7aef\u53e3\u51b2\u7a81\u6392\u9519\u6848\u4f8b（nginx \u5360\u752880\u5bfc\u81f4httpd\u542f\u52a8\u5931\u8d25）<\/h5>\n

      liuyifei@server ~ 23<\/span>:05:00$ yum install<\/span> -y<\/span> nginx
      \nliuyifei@server ~ 23<\/span>:05:20$ systemctl start nginx.service
      \nliuyifei@server ~ 23<\/span>:05:40$ yum install<\/span> -y<\/span> httpd
      \nliuyifei@server ~ 23<\/span>:06:00$ systemctl start httpd
      \n# \u53d1\u73b0\u7aef\u53e3\u5360\u7528<\/span>
      \nliuyifei@server ~ 23<\/span>:06:20$ ss -lnp4|<\/span>grep<\/span> :80
      \n# \u505c\u6b62\u5360\u7528\u7a0b\u5e8f<\/span>
      \nliuyifei@server ~ 23<\/span>:06:30$ systemctl stop nginx
      \nliuyifei@server ~ 23<\/span>:06:40$ systemctl start httpd<\/p>\n

      \n

      \u56db\u3001NetworkManager \u7f51\u7edc\u914d\u7f6e（nmtui + nmcli）<\/h3>\n

      4.1 nmtui \u56fe\u5f62\u4ea4\u4e92\u5f0f\u914d\u7f6e（\u5c0f\u767d\u9996\u9009）<\/h4>\n

      \u7ec8\u7aef\u8f93\u5165 nmtui，\u53ef\u89c6\u5316\u914d\u7f6e\u7f51\u5361 DHCP\u81ea\u52a8\u83b7\u53d6 \/ \u9759\u6001IP，\u65e0\u9700\u8bb0\u5fc6\u547d\u4ee4\u3002<\/p>\n

      liuyifei@server ~ 23<\/span>:10:00$ nmtui<\/p>\n

      4.2 nmcli \u547d\u4ee4\u884c\u7f51\u7edc\u914d\u7f6e（\u751f\u4ea7\u5e38\u7528）<\/h4>\n

      \u542f\u505c\u7f51\u7edc<\/h5>\n

      liuyifei@server ~ 23<\/span>:12:00$ nmcli networking off
      \nliuyifei@server ~ 23<\/span>:12:10$ nmcli networking on<\/p>\n

      \u7f51\u5361\u8bbe\u5907\u7ba1\u7406<\/h5>\n

      # \u67e5\u770b\u8bbe\u5907<\/span>
      \nliuyifei@server ~ 23<\/span>:13:00$ nmcli device<\/p>\n

      # \u65ad\u5f00\/\u6fc0\u6d3b\u7f51\u5361<\/span>
      \nliuyifei@server ~ 23<\/span>:13:10$ nmcli device disconnect ens192
      \nliuyifei@server ~ 23<\/span>:13:20$ nmcli device connect ens192<\/p>\n

      \u52a8\u6001IP\u914d\u7f6e（DHCP）<\/h5>\n

      # \u521b\u5efa\u52a8\u6001\u8fde\u63a5<\/span>
      \nliuyifei@server ~ 23<\/span>:15:00$ nmcli connection add<\/span> type<\/span> ethernet ifname ens192 con-name ens192-dynamic ipv4.method auto<\/p>\n

      # \u6fc0\u6d3b<\/span>
      \nliuyifei@server ~ 23<\/span>:15:20$ nmcli connection up ens192-dynamic<\/p>\n

      \u9759\u6001IP\u914d\u7f6e<\/h5>\n

      # \u521b\u5efa\u9759\u6001\u8fde\u63a5<\/span>
      \nliuyifei@server ~ 23<\/span>:16:00$ nmcli connection add<\/span> type<\/span> ethernet ifname ens192 con-name ens192-static ipv4.method manual ipv4.addresses 10.1<\/span>.8.10\/24<\/p>\n

      # \u8ffd\u52a0\u7f51\u5173\u3001DNS<\/span>
      \nliuyifei@server ~ 23<\/span>:16:20$ nmcli connection modify ens192-static ipv4.gateway 10.1<\/span>.8.2 ipv4.dns 223.5<\/span>.5.5<\/p>\n

      # \u6fc0\u6d3b\u751f\u6548<\/span>
      \nliuyifei@server ~ 23<\/span>:16:30$ nmcli connection up ens192-static<\/p>\n

      4.3 \u7f51\u7edc\u914d\u7f6e\u6587\u4ef6\u8bf4\u660e<\/h4>\n

      \u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u76ee\u5f55：\/etc\/sysconfig\/network-scripts\/<\/p>\n

        \n
      • BOOTPROTO=dhcp：\u81ea\u52a8\u83b7\u53d6<\/li>\n
      • BOOTPROTO=none：\u9759\u6001IP<\/li>\n
      • ONBOOT=yes：\u5f00\u673a\u6fc0\u6d3b\u7f51\u5361<\/li>\n<\/ul>\n

        \u624b\u52a8\u6539\u914d\u7f6e\u6587\u4ef6\u540e\u5fc5\u987b\u91cd\u8f7d：<\/p>\n

        liuyifei@server ~ 23<\/span>:20:00$ nmcli connection reload
        \nliuyifei@server ~ 23<\/span>:20:10$ nmcli connection up ens192-static<\/p>\n

        \n

        \u4e94\u3001\u4e3b\u673a\u540d\u4e0e\u57df\u540d\u89e3\u6790<\/h3>\n

        5.1 \u4e3b\u673a\u540d\u914d\u7f6e<\/h4>\n

        # \u67e5\u770b<\/span>
        \nliuyifei@server ~ 23<\/span>:22:00$ hostname<\/span><\/p>\n

        # \u6c38\u4e45\u4fee\u6539（\u5199\u5165\u914d\u7f6e\u6587\u4ef6）<\/span>
        \nliuyifei@server ~ 23<\/span>:22:10$ hostnamectl set-hostname server.liuyifei.cloud<\/p>\n

        5.2 \u672c\u5730\u57df\u540d\u89e3\u6790\u4f18\u5148\u7ea7<\/h4>\n

        \/etc\/hosts \u4f18\u5148\u4e8e DNS<\/p>\n

        \u672c\u5730 hosts \u89e3\u6790\u914d\u7f6e<\/h5>\n

        liuyifei@server ~ 23<\/span>:23:00$ vim<\/span> \/etc\/hosts
        \n10.1<\/span>.8.10 server.liuyifei.cloud server<\/p>\n

        5.3 DNS \u6545\u969c\u6392\u9519<\/h4>\n

        \u65e0 DNS \u65f6\u65e0\u6cd5\u89e3\u6790\u516c\u7f51\u57df\u540d，\u914d\u7f6e DNS \u5373\u53ef\u6062\u590d：<\/p>\n

        liuyifei@server ~ 23<\/span>:25:00$ nmcli connection modify ens160 ipv4.dns 223.5<\/span>.5.5
        \nliuyifei@server ~ 23<\/span>:25:10$ nmcli connection up ens160<\/p>\n

        \n

        \u516d\u3001\u8865\u5145：Vim \u6279\u91cf\u7f16\u8f91\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n
      • \u6279\u91cf\u6ce8\u91ca：Ctrl+v \u9009\u4e2d\u591a\u884c \u2192 I \u2192 \u8f93\u5165# \u2192 ESC<\/li>\n
      • \u6279\u91cf\u53d6\u6d88\u6ce8\u91ca：Ctrl+v \u9009\u4e2d\u6ce8\u91ca\u7b26 \u2192 x<\/li>\n
      • \u6279\u91cf\u5217\u590d\u5236\u7c98\u8d34：Ctrl+v \u9009\u4e2d\u77e9\u5f62\u5757 \u2192 y \u590d\u5236 \u2192 p \u7c98\u8d34<\/li>\n
        \n

        \u4e03\u3001\u603b\u7ed3<\/h3>\n
      • \u65e5\u5fd7\u6392\u9519：\u7cfb\u7edf\u670d\u52a1\u62a5\u9519\u4f18\u5148\u4f7f\u7528 journalctl -u \u670d\u52a1\u540d \u7cbe\u51c6\u5b9a\u4f4d，\u66ff\u4ee3\u4f20\u7edf tail \u6293\u65e5\u5fd7；sshd\u3001httpd \u914d\u7f6e\u9519\u8bef\u3001\u6587\u4ef6\u4e22\u5931\u3001\u7aef\u53e3\u5360\u7528\u662f\u6700\u9ad8\u9891\u6545\u969c\u3002<\/li>\n
      • \u65f6\u95f4\u7ba1\u7406：\u751f\u4ea7\u5fc5\u987b\u5f00\u542f chrony \u65f6\u95f4\u540c\u6b65，\u53ef\u81ea\u5efa\u5185\u7f51\u65f6\u95f4\u670d\u52a1\u5668\u4fdd\u8bc1\u96c6\u7fa4\u65f6\u95f4\u7edf\u4e00\u3002<\/li>\n
      • \u7f51\u7edc\u7ba1\u7406：\u719f\u7ec3\u4f7f\u7528 nmcli \u914d\u7f6e\u9759\u6001\/DHCP \u7f51\u7edc，ss \u547d\u4ee4\u6392\u67e5\u7aef\u53e3\u51b2\u7a81，\u638c\u63e1 hosts \u4e0e DNS \u89e3\u6790\u987a\u5e8f\u3002<\/li>\n
      • \u6392\u9519\u601d\u7ef4：\u670d\u52a1\u542f\u52a8\u5931\u8d2590%\u539f\u56e0：\u914d\u7f6e\u8bed\u6cd5\u9519\u8bef\u3001\u6587\u4ef6\u7f3a\u5931\u3001\u7aef\u53e3\u5360\u7528\u3001\u6743\u9650\u4e0d\u8db3，\u4f18\u5148\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\u6392\u67e5\u95ee\u9898\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"

        Linux \u65e5\u5fd7\u3001\u65f6\u95f4\u3001\u7f51\u7edc\u5168\u5957\u5b9e\u6218\u6559\u7a0b
        \n\u4e00\u3001Linux \u65e5\u5fd7\u7ba1\u7406\u8be6\u89e3（rsyslog journald）
        \n1.1 rsyslog \u7cfb\u7edf\u65e5\u5fd7\u670d\u52a1
        \nCentOS 7 \u9ed8\u8ba4\u4f7f\u7528 rsyslog \u4f5c\u4e3a\u7cfb\u7edf\u65e5\u5fd7\u6536\u96c6\u670d\u52a1，\u7edd\u5927\u591a\u6570\u7cfb\u7edf\u670d\u52a1\u3001\u8ba4\u8bc1\u3001\u62a5\u9519\u90fd\u4f1a\u88ab\u7edf\u4e00\u8bb0\u5f55\u3002
        \n\u6838\u5fc3\u77e5\u8bc6\u70b9
        \n\u5e76\u975e\u6240\u6709\u7a0b\u5e8f\u90fd\u7531 rsyslog \u8bb0\u5f55\u65e5\u5fd7，\u53d6\u51b3\u4e8e\u7a0b\u5e8f\u5f00\u53d1\u8005\u8bbe\u8ba1
        \nsshd：\u4ea4\u7531 syslog \u8bb0\u5f55\u767b\u5f55\u3001\u62a5\u9519\u65e5\u5fd7
        \nhttpd\/nginx<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,97,190,44],"topic":[],"class_list":["post-85086","post","type-post","status-publish","format-standard","hentry","category-server","tag-python","tag-97","tag-190","tag-44"],"yoast_head":"\n90% \u65b0\u624b\u8e29\u5751\uff1asshd \u542f\u52a8\u5931\u8d25\u3001\u7aef\u53e3\u5360\u7528\u3001\u65f6\u95f4\u4e0d\u540c\u6b65\u5b8c\u6574\u89e3\u51b3\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/85086.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"90% \u65b0\u624b\u8e29\u5751\uff1asshd \u542f\u52a8\u5931\u8d25\u3001\u7aef\u53e3\u5360\u7528\u3001\u65f6\u95f4\u4e0d\u540c\u6b65\u5b8c\u6574\u89e3\u51b3\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"Linux \u65e5\u5fd7\u3001\u65f6\u95f4\u3001\u7f51\u7edc\u5168\u5957\u5b9e\u6218\u6559\u7a0b \u4e00\u3001Linux \u65e5\u5fd7\u7ba1\u7406\u8be6\u89e3（rsyslog journald） 1.1 rsyslog \u7cfb\u7edf\u65e5\u5fd7\u670d\u52a1 CentOS 7 \u9ed8\u8ba4\u4f7f\u7528 rsyslog \u4f5c\u4e3a\u7cfb\u7edf\u65e5\u5fd7\u6536\u96c6\u670d\u52a1，\u7edd\u5927\u591a\u6570\u7cfb\u7edf\u670d\u52a1\u3001\u8ba4\u8bc1\u3001\u62a5\u9519\u90fd\u4f1a\u88ab\u7edf\u4e00\u8bb0\u5f55\u3002 \u6838\u5fc3\u77e5\u8bc6\u70b9 \u5e76\u975e\u6240\u6709\u7a0b\u5e8f\u90fd\u7531 rsyslog \u8bb0\u5f55\u65e5\u5fd7，\u53d6\u51b3\u4e8e\u7a0b\u5e8f\u5f00\u53d1\u8005\u8bbe\u8ba1 sshd：\u4ea4\u7531 syslog \u8bb0\u5f55\u767b\u5f55\u3001\u62a5\u9519\u65e5\u5fd7 httpd\/nginx\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/85086.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-26T16:40:35+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/85086.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/85086.html\",\"name\":\"90% \u65b0\u624b\u8e29\u5751\uff1asshd \u542f\u52a8\u5931\u8d25\u3001\u7aef\u53e3\u5360\u7528\u3001\u65f6\u95f4\u4e0d\u540c\u6b65\u5b8c\u6574\u89e3\u51b3\u65b9\u6848 - 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