Comments - mysqldump --tab: file already exists when it does not
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Please provide below information to solve this issue :- 1) Provide all the steps you have performed 2) output of below commands: a) getenforce b) ls -ldZ /var/tmp/ [to check context type]
3) Have you changed the context type of directory /var/tmp by below command in case SElinux checked by getenforce command is "enforcing" a) semanage fcontext -a -t mysqld_db_t "/var/tmp(/.*)?" b) restorecon -vR /var/tmp/