wget https://core.tcl-lang.org/tcl/zip/0074847583/tcl-0074847583.zipunzip tcl-0074847583.zipcd tcl-0074847583/unix/./configuremake && make installln -s /usr/local/bin/tclsh8.7 /usr/bin/tclshwget https://core.tcl-lang.org/tcllib/uv/tcllib-1.21.tar.gztar zxvf tcllib-1.21.tar.gzcd tcllib-1.21./installer.tclwget https://github.com/ianka/xfs_undelete/archive/refs/tags/v11.0.zipunzip v11.0.zipcd xfs_undelete-11.0/#PS注意，恢复目录必须要其它挂载盘./xfs_undelete -t -24hour -o /recovery_dir /dev/sdb1