请让我知道在这里做什么。我正在尝试在Ubuntu中安装Hadoop.ssh连接抛出错误
$ sudo apt-get install openssh-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:
The following packages have unmet dependencies:
openssh-server :
Depends: openssh-client (= 1:6.6p1-2ubuntu1) but 1:6.6p1-2ubuntu2 is to be installed
Recommends: ncurses-term but it is not going to be installed
Recommends: ssh-import-id but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
$ ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:27:3a:a6:f3
inet addr:192.168.0.112 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe3a:a6f3/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15543 errors:0 dropped:0 overruns:0 frame:0
TX packets:10845 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:11839138 (11.8 MB) TX bytes:1448354 (1.4 MB)
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:65536 Metric:1
RX packets:2175 errors:0 dropped:0 overruns:0 frame:0
TX packets:2175 errors:0 dropped:0 overruns:0
carrier:0 collisions:0 txqueuelen:0
RX bytes:217643 (217.6 KB) TX bytes:217643 (217.6 KB)
$ sudo apt-get install openssh-server
Some packages could not be installed.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
openssh-server :
Depends: openssh-client (= 1:6.6p1-2ubuntu1) but 1:6.6p1-2ubuntu2 is to be installed
Recommends: ncurses-term but it is not going to be installed
Recommends: ssh-import-id but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
$ sudo iptables -L
Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination
$ sudo iptables -A INPUT -p tcp --dport ssh -j ACCEPT
$ ssh localhost ssh: connect to host localhost port 22: Connection refused
问题：
openssh-server : Depends: openssh-client (= 1:6.6p1-2ubuntu1) but 1:6.6p1-2ubuntu2 is installed.
尝试运行：
sudo aptitude install openssh-client=1:6.6p1-2ubuntu1
还原为该版本
然后我这样做了：
sudo apt-get install openssh-server
然后ssh localhost工作了。
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我来说两句