您的linux系统没有安装这个包。装一下就好了。
Script executed without the path gives "command not found" or code 127 当你想运行的可执行文件不在$PATH变量中时,也会出现退出码127。你可以通过 itsfoss.com 来纠正这种情况。 当你输入不存在的命令时,也会得到这样的退出码。 Unmount is not a command, and Screenfetch is not installed, which resulte...
/bin/umount，不是unmount
When you unmount a filesystem with umount, the kernel automatically synchronizes with the disk. At any other time, you can force the kernel to write the changes in its buffer to the disk by running the sync command. If for some reason you can’t unmount a filesystem before you turn off...
To unmount (detach) a filesystem, use the umount command: 有关更多挂载选项的详细信息,请参阅4.2.6文件系统挂载选项。要卸载(解除挂载)文件系统,请使用umount命令: 代码语言:javascript 复制 umount mountpoint You can also unmount a filesystem with its device instead of its mount point. 4.2.4 File...
# 允许 users 用户组中的用户像 root 用户一样使用 mount、unmount、chrom 命令 %users ALL=/sbin/mount /mnt/cdrom, /sbin/umount /mnt/cdrom 以提升的权限执行命令 > sudo cat /etc/passwd 当你执行这个命令时,它会询问 rumenz 的密码,而不是root用户的密码。
any user can mount the iso9660 filesystem found on a CD-ROM, using the commandmount /dev/cdromormount /cdBy default, only the user that mounted a filesystem can unmount it. If you'd like to allow any user to be able to unmount a user-mount filesystem, use "users" instead of "...
## Allows members of the users group to mount and unmount the ## cdrom as root %users ALL=/sbin/mount /mnt/cdrom, /sbin/umount /mnt/cdrom 2.别名 别名机制用于定义或组合一组用户、主机或命令等,以便在sudoers文件中引用,其语法格式如下: alias_type alias_name = alias_list 其中,alias_...
The filesystems listed in /etc/fstab gets mounted during booting process. After booting, system administrator may unmount some of the partitions for various reasons. If you want all the filesystems to be mounted as specified in /etc/fstab, use -a option with mount as shown below: ...
apt-get: command not found,这个的出现是因为系统的原因。 Linux系统分为两种: 1.RedHat系列:Redhat、Centos、Fedora等 2.Debian系列:Debian、Ubuntu等 RedHat系列的包管理工具是yum,Debian系列的包管理工具是apt-get 编写Shell脚本 Shell 脚本命令的工作方式有两种:交互式和批处理。