Disk space, storage & filesystems
Map storage layers, diagnose capacity and mount problems, and prepare filesystem changes from the verified layout.
How do I check free disk space on the filesystem an application actually uses?
Check Linux filesystem capacity for an exact application path, distinguish disks from mounted filesystems, and identify the relevant full volume.
Read the answer Disk space, storage & filesystemsWhy does Linux say no space left when disk gigabytes are still available?
Check Linux inode exhaustion and distinguish file-count limits from free blocks, quotas and other causes of failed file creation.
Read the answer Disk space, storage & filesystemsHow do I find which directories consume space without crossing other mounted filesystems?
Measure Linux directory space with a bounded du scan, stay on one filesystem, and identify application ownership before cleanup.
Read the answer Disk space, storage & filesystemsWhy did deleting a large log file fail to release disk space?
Identify deleted files still held open by Linux processes, map them to the owning service, and plan a controlled log reopen.
Read the answer Disk space, storage & filesystemsHow do I map Linux disks, partitions, logical volumes and mountpoints?
Inspect Linux block-device topology and mounted filesystems before any storage change, including partition and logical-volume layers.
Read the answer Disk space, storage & filesystemsWhat must I check before expanding a Linux server filesystem?
Plan Linux storage expansion by verifying every block layer, filesystem type and recovery path instead of using a universal resize command.
Read the answer Disk space, storage & filesystemsHow do I check a persistent Linux mount configuration before rebooting?
Validate Linux fstab syntax and references, compare configured and active mounts, and preserve console access before persistent mount changes.
Read the answer Disk space, storage & filesystemsWhy has a Linux filesystem become read-only?
Inspect Linux read-only mount state and kernel errors, distinguish intentional policy from storage faults, and avoid unsafe forced remounts.
Read the answer Disk space, storage & filesystemsHow do I inspect and extract a trusted archive into a separate directory?
List a Linux tar archive before extraction, use a separate nonprivileged destination, and avoid overwriting application files.
Read the answer Disk space, storage & filesystemsHow do I check a Linux user or project quota when writes fail?
Distinguish Linux filesystem free space from user or project quotas, inspect supported quota reports, and identify the limit that blocks writes.
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