在ubuntu上获取错误:命令';sudo';可在'/usr/bin/sudo';

在ubuntu上获取错误:命令';sudo';可在'/usr/bin/sudo';,ubuntu,Ubuntu,我正在尝试安装JAVA。但是得到下面的错误 :~$ sudo apt-get update Command 'sudo' is available in '/usr/bin/sudo' The command could not be located because '/usr/bin' is not included in the PATH environment variable. sudo: command not found 我不知道如何解决这个问题?您可以通过执行命令来检查PATH变

我正在尝试安装JAVA。但是得到下面的错误

:~$ sudo apt-get update
Command 'sudo' is available in '/usr/bin/sudo'
The command could not be located because '/usr/bin' is not included in the PATH environment variable.
sudo: command not found

我不知道如何解决这个问题?

您可以通过执行命令来检查PATH变量的内容 $echo$PATH

如果在输出中找不到/usr/bin,则可以通过执行命令在PATH变量中追加/usr/bin

$export PATH=$PATH:/usr/bin