如何开启Centos6.4系统的SSH服务

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切到 root

安装 <span style="font-family: Arial, Helvetica, sans-serif;">openssh-server</span>

启动 ssh服务

具体如下：

[chen@localhost ~]$ apt-get install openssh-serverbash: apt-get: command not found[chen@localhost ~]$ yum install openssh-serverLoaded plugins: fastestmirror, refresh-packagekit, securityYou need to be root to perform this command.[chen@localhost ~]$ yum install openssh-serverLoaded plugins: fastestmirror, refresh-packagekit, securityYou need to be root to perform this command.[chen@localhost ~]$ su'> > > > ^C[chen@localhost ~]$ su密码：[root@localhost chen]# yum install openssh-serverLoaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds from cached hostfile * base: mirrors.sina.cn * extras: mirrors.sina.cn * updates: mirrors.yun-idc.comSetting up Install ProcessResolving Dependencies--> Running transaction check---> Package openssh-server.x86_64 0:5.3p1-84.1.el6 will be updated---> Package openssh-server.x86_64 0:5.3p1-104.el6_6.1 will be an update--> Processing Dependency: openssh = 5.3p1-104.el6_6.1 for package: openssh-server-5.3p1-104.el6_6.1.x86_64--> Processing Dependency: libcrypto.so.10(libcrypto.so.10)(64bit) for package: openssh-server-5.3p1-104.el6_6.1.x86_64--> Processing Dependency: libcrypto.so.10(OPENSSL_1.0.1_EC)(64bit) for package: openssh-server-5.3p1-104.el6_6.1.x86_64--> Processing Dependency: libcrypto.so.10(OPENSSL_1.0.1)(64bit) for package: openssh-server-5.3p1-104.el6_6.1.x86_64--> Running transaction check---> Package openssh.x86_64 0:5.3p1-84.1.el6 will be updated--> Processing Dependency: openssh = 5.3p1-84.1.el6 for package: openssh-clients-5.3p1-84.1.el6.x86_64--> Processing Dependency: openssh = 5.3p1-84.1.el6 for package: openssh-askpass-5.3p1-84.1.el6.x86_64---> Package openssh.x86_64 0:5.3p1-104.el6_6.1 will be an update---> Package openssl.x86_64 0:1.0.0-27.el6 will be updated---> Package openssl.x86_64 0:1.0.1e-30.el6.8 will be an update--> Running transaction check---> Package openssh-askpass.x86_64 0:5.3p1-84.1.el6 will be updated---> Package openssh-askpass.x86_64 0:5.3p1-104.el6_6.1 will be an update---> Package openssh-clients.x86_64 0:5.3p1-84.1.el6 will be updated---> Package openssh-clients.x86_64 0:5.3p1-104.el6_6.1 will be an update--> Finished Dependency ResolutionDependencies Resolved================================================================================ Package               Arch         Version                 Repository     Size================================================================================Updating: openssh-server        x86_64       5.3p1-104.el6_6.1       updates       321 kUpdating for dependencies: openssh               x86_64       5.3p1-104.el6_6.1       updates       272 k openssh-askpass       x86_64       5.3p1-104.el6_6.1       updates        56 k openssh-clients       x86_64       5.3p1-104.el6_6.1       updates       437 k openssl               x86_64       1.0.1e-30.el6.8         updates       1.5 MTransaction Summary================================================================================Upgrade       5 Package(s)Total download size: 2.6 MIs this ok [y/N]: yDownloading Packages:(1/5): openssh-5.3p1-104.el6_6.1.x86_64.rpm              | 272 kB     00:00     (2/5): openssh-askpass-5.3p1-104.el6_6.1.x86_64.rpm      |  56 kB     00:00     (3/5): openssh-clients-5.3p1-104.el6_6.1.x86_64.rpm      | 437 kB     00:00     (4/5): openssh-server-5.3p1-104.el6_6.1.x86_64.rpm       | 321 kB     00:00     (5/5): openssl-1.0.1e-30.el6.8.x86_64.rpm                | 1.5 MB     00:01     --------------------------------------------------------------------------------Total                                           133 kB/s | 2.6 MB     00:19     Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning Transaction  Updating   : openssl-1.0.1e-30.el6.8.x86_64                              1/10   Updating   : openssh-5.3p1-104.el6_6.1.x86_64                            2/10   Updating   : openssh-askpass-5.3p1-104.el6_6.1.x86_64                    3/10   Updating   : openssh-server-5.3p1-104.el6_6.1.x86_64                     4/10   Updating   : openssh-clients-5.3p1-104.el6_6.1.x86_64                    5/10   Cleanup    : openssh-clients-5.3p1-84.1.el6.x86_64                       6/10   Cleanup    : openssh-server-5.3p1-84.1.el6.x86_64                        7/10   Cleanup    : openssh-askpass-5.3p1-84.1.el6.x86_64                       8/10   Cleanup    : openssh-5.3p1-84.1.el6.x86_64                               9/10   Cleanup    : openssl-1.0.0-27.el6.x86_64                                10/10   Verifying  : openssh-askpass-5.3p1-104.el6_6.1.x86_64                    1/10   Verifying  : openssh-server-5.3p1-104.el6_6.1.x86_64                     2/10   Verifying  : openssl-1.0.1e-30.el6.8.x86_64                              3/10   Verifying  : openssh-5.3p1-104.el6_6.1.x86_64                            4/10   Verifying  : openssh-clients-5.3p1-104.el6_6.1.x86_64                    5/10   Verifying  : openssh-server-5.3p1-84.1.el6.x86_64                        6/10   Verifying  : openssh-askpass-5.3p1-84.1.el6.x86_64                       7/10   Verifying  : openssh-5.3p1-84.1.el6.x86_64                               8/10   Verifying  : openssl-1.0.0-27.el6.x86_64                                 9/10   Verifying  : openssh-clients-5.3p1-84.1.el6.x86_64                      10/10 Updated:  openssh-server.x86_64 0:5.3p1-104.el6_6.1                                     Dependency Updated:  openssh.x86_64 0:5.3p1-104.el6_6.1                                              openssh-askpass.x86_64 0:5.3p1-104.el6_6.1                                      openssh-clients.x86_64 0:5.3p1-104.el6_6.1                                      openssl.x86_64 0:1.0.1e-30.el6.8                                              Complete![root@localhost chen]# service sshd restart停止 sshd：                                                [失败]生成 SSH2 RSA 主机键：                                     [确定]生成 SSH1 RSA 主机键：                                     [确定]正在生成 SSH2 DSA 主机键：                                 [确定]正在启动 sshd：                                            [确定][root@localhost chen]# ipconfigbash: ipconfig: command not found[root@localhost chen]# ifconfigeth0      Link encap:Ethernet  HWaddr 00:0C:29:5C:59:1F            inet addr:192.168.14.129  Bcast:192.168.14.255  Mask:255.255.255.0          inet6 addr: fe80::20c:29ff:fe5c:591f/64 Scope:Link          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1          RX packets:66157 errors:0 dropped:0 overruns:0 frame:0          TX packets:40568 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:1000           RX bytes:92486922 (88.2 MiB)  TX bytes:2883456 (2.7 MiB)lo        Link encap:Local Loopback            inet addr:127.0.0.1  Mask:255.0.0.0          inet6 addr: ::1/128 Scope:Host          UP LOOPBACK RUNNING  MTU:16436  Metric:1          RX packets:13 errors:0 dropped:0 overruns:0 frame:0          TX packets:13 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:0           RX bytes:789 (789.0 b)  TX bytes:789 (789.0 b)

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