Linux command
updatedb 命令
安全
权限或系统影响较大，执行前请核对目标。
常用示例
Refresh
sudo updatedb
Verbose
sudo updatedb -v
说明
updatedb creates or updates the database used by the locate command. It scans the filesystem and builds an index of all filenames for fast searching. The command is usually run daily by cron to keep the database current. Manual execution is needed to index newly created files before the next scheduled update.
参数
- -v, --verbose
- Display filenames as they are found
- --prunepaths _PATHS_
- Exclude specified paths from database
- --prunefs _TYPES_
- Exclude specified filesystem types
- -o, --output _FILE_
- Write to specified database file
- -U, --database-root _PATH_
- Store only results from the subtree rooted at PATH
- -e, --add-prunepaths _PATHS_
- Add entries to PRUNEPATHS
- -n, --add-prunenames _NAMES_
- Add entries to PRUNENAMES
- -l, --require-visibility _FLAG_
- Control visibility checking (0 or 1)
- --prune-bind-mounts _FLAG_
- Override bind mount pruning (yes or no)
FAQ
What is the updatedb command used for?
updatedb creates or updates the database used by the locate command. It scans the filesystem and builds an index of all filenames for fast searching. The command is usually run daily by cron to keep the database current. Manual execution is needed to index newly created files before the next scheduled update.
How do I run a basic updatedb example?
Run `sudo updatedb` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -v, --verbose do in updatedb?
Display filenames as they are found