How do I find out what’s taking up space on Ubuntu?
To check the free disk space and disk capacity with System Monitor:
- Open the System Monitor application from the Activities overview.
- Select the File Systems tab to view the system’s partitions and disk space usage. The information is displayed according to Total, Free, Available and Used.
How do I monitor disk usage in Linux?
5 Tools for Monitoring Disk Activity in Linux
- iostat. iostat can be used to report the disk read/write rates and counts for an interval continuously. …
- iotop. iotop is a top-like utility for displaying real-time disk activity. …
- dstat. …
- atop. …
- ioping.
How do I manage disk space in Ubuntu?
Free Up Hard disk space in Ubuntu
- Delete Cached Package Files. Every time you install some apps or even system updates, the package manager downloads and then caches them before installing them, just in case they need to be installed again. …
- Delete Old Linux Kernels. …
- Use Stacer – GUI based System Optimizer.
How do I clean up Linux?
The 10 Easiest Ways to Keep Ubuntu System Clean
- Uninstall Unnecessary Applications. …
- Remove Unnecessary Packages and Dependencies. …
- Clean Thumbnail Cache. …
- Remove Old Kernels. …
- Remove Useless Files and Folders. …
- Clean Apt Cache. …
- Synaptic Package Manager. …
- GtkOrphan (orphaned packages)
Which process taking more memory in Linux?
6 Answers. Using top : when you open top , pressing m will sort processes based on memory usage. But this will not solve your problem, in Linux everything is either file or process. So the files you opened will eating the memory too.
What is Iowait in Linux?
Percentage of time that the CPU or CPUs were idle during which the system had an outstanding disk I/O request. Therefore, %iowait means that from the CPU point of view, no tasks were runnable, but at least one I/O was in progress. iowait is simply a form of idle time when nothing could be scheduled.
What does du command do in Linux?
The du command is a standard Linux/Unix command that allows a user to gain disk usage information quickly. It is best applied to specific directories and allows many variations for customizing the output to meet your needs.
How do I reduce disk space in Linux?
Freeing disk space on your Linux server
- Get to the root of your machine by running cd /
- Run sudo du -h –max-depth=1.
- Note which directories are using a lot of disk space.
- cd into one of the big directories.
- Run ls -l to see which files are using a lot of space. Delete any you don’t need.
- Repeat steps 2 to 5.
How do I free up memory on Linux?
Every Linux System has three options to clear cache without interrupting any processes or services.
- Clear PageCache only. # sync; echo 1 > /proc/sys/vm/drop_caches.
- Clear dentries and inodes. # sync; echo 2 > /proc/sys/vm/drop_caches.
- Clear pagecache, dentries, and inodes. …
- sync will flush the file system buffer.