Usually, when beginners encounter “Input/output error”, they are accessing files from NTFS-formatted partitions. In most of the cases, getting this error means there is some kind of file system corruption. Fixing cannot stat ‘foldername’: Input/output errorĪmong all “cannot stat” errors, the one with “Input/output error” messages is the hardest to debug and fix. However, any changes to protected directories could cause system instability, and we advise carefully examine the directory before recursively chmod it. You may need to elevate to root privileges using sudo if you’re not the owner of the folder. A quick and dirty solution is using chmod to recursively change the directory permission and all of its contents to 755.
You should check the permission of the directory containing the file and the file itself. This error means that stat cannot read information about the file because it was denied by disallowing “execute” permission. Remember to quote this path in any command to avoid errors caused by whitespaces and special characters.
#Ntfs 3g permission denied on install upgrade full#
To get the correct full path of any directory in Ubuntu, you can cd to it, then run pwd to obtain the path. If you come across “cannot stat” with “No such file or directory” message, checks the destination path first and then the source path for their correctness. The error usually means the destination file or directory cannot be found by the system, so it cannot retrieve information. Fixing cannot stat ‘filename’: No such file or directory In this case, the problem should be in the file/directory itself or the storage device. With that in mind, _every time you see “cannot stat” when using mv, you can safely assume that stat failed to obtain information about the file. No read permission of the files is needed. The default way to do that is by using stat.Ĭalling stat on a directory only requires execute permission of the directory containing the file. Like any other program, before performing any operation, mv or cp must know some information about the source file/directory and the destination one.
Because in Linux, each program should do one thing only and rely on one another to do other things, programs that perform file system operation should use stat as a standard way to retrieve details like metadata, size, modified date, permissions, etc. Stat is a program that obtains information about a file or directory in Linux. 4.2 Input/output error in ext partitions What does “cannot stat” means
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