Temporary file management in Linux

Management of temporary files:

[root@foundation21 cron.d]# cd /usr/lib/tmpfiles.d/ switch path

[root@foundation21 tmpfiles.d]# vim westos.conf   

[root@foundation21 tmpfiles.d]# cat westos.conf

d /mnt/westos 1777 root root 15s After more than 15 seconds, the files will be deleted one by one

[root@foundation21 tmpfiles.d]# systemd-tmpfiles --create /usr/lib/tmpfiles.d/*      

[root@foundation21 tmpfiles.d]# systemd-tmpfiles --clean /usr/lib/tmpfiles.d/*  清除

[root@foundation21 tmpfiles.d]# mkdir /mnt/westos

[root@foundation21 tmpfiles.d]# touch /mnt/westos/file to create a file

[root@foundation21 tmpfiles.d]# touch /mnt/westos/file1

[root@foundation21 tmpfiles.d]# systemd-tmpfiles --clean /usr/lib/tmpfiles.d/* If the time exceeds, it will be deleted one by one, as shown in the following figure:

[root@foundation21 tmpfiles.d]# systemd-tmpfiles --clean /usr/lib/tmpfiles.d/*

[root@foundation21 tmpfiles.d]# systemd-tmpfiles --clean /usr/lib/tmpfiles.d/*

[root@foundation21 tmpfiles.d]# systemd-tmpfiles --clean /usr/lib/tmpfiles.d/*