Hot answers tagged hard-disk
As Julie said, you can use df to display free space, passing it either the mount point or the device name: df --human-readable /home df --human-readable /dev/sda1 You'll get something like this: Filesystem Size Used Avail Use% Mounted on /dev/sda1 833G 84G 749G 10% /home To run it continuously, use watch. Default update interval is 2 seconds, but ...
By default, all writes are asynchronous. You can configure them to be synchronous at the application level O_DIRECT|O_SYNC open(2) flags, or at the file system one (-o sync option of the mount command).
If you don't like the idea of dedicating a whole terminal to watching the output of df, you could consider a tool such as conky. There are countless examples of using conky to monitor everything from HDD usage, HDD temp, ram usage, local weather, news headlines... you name it.
According to Red Hat's (rather old) page 12.5. Verifying Asynchronous I/O Usage, asynchronous I/O is supported using libaio. Applications either are, or are not linked with that library. There is nothing mentioned about enabling or disabling: applications simply use the library. The page says you can verify usage by inspecting /proc/slabinfo. In my ...
df is a simple command line utility that shows you disk usage, including free space. Check man df for details.
Although you could resize a filesystem with command line tools, I recommend to use GParted. You should be able to install it with your package manager, or you download the CD image, mount it to the VM and reboot to start it.
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