linux遇到的问题及解决方法_linux sorry it-优快云博客

本文链接：https://blog.youkuaiyun.com/xiaoxinyu316/article/details/44196013

本文解决了一系列与SSH连接、Linux软件安装及时间戳错误相关的问题，包括识别远程主机ID变化、SSH未识别服务、无法安装SSH服务器、时间戳在未来导致解压文件错误等问题的解决方案。

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ssh remote host identification has changed [duplicate]
solve: ssh-keygen -R hostname
[ubuntu] ssh unrecognized service
solve: sudo apt-get purge openssh-server, apt-get install openssl-server
[ubuntu] ssh connect to host port 22 connection refused
solve: apt-get install openssl-server
Can not install openssh server
slove: 更改/etc/apt/source.list 的http://ro.archive.ubuntu.com/ubuntu/，使之是一个有效的server,如deb http://us.archive.ubuntu.com/ubuntu/
linux中好多软件以d结尾，d代表什么?一般是daemon，指后台进程的意思。大部分这种程序应该是服务类型的程序。
How to solve the time stamp is in the future error when you unpack a tar file on a system where the clock is behind the system clock on which you created the tar archiveIf you create a tar archive on system A and then try to unpack it on system B and system B's clock is behind that of system A then tar will complain.If you use the -m switch to tar then it will set all of the modified times on the unpacked files to the current system time.tar -xzmf archive.tar.gz
Fix arrow keys that display A B C D on remote shell

1) Open Vim editor,
2) Get the path of your home directory by typing :echo $HOME
3) Check if you have .vimrc file in $HOME location,(if you don't have create it)
4) Add the following line line to .vimrc file
   set nocompatible
        or
     set nocp

When I tried to use arrow keys in insert mode in vi editor, it not working
solved: vim ~/.vimrc Add this line to the top of the file: set nocompatible