Thank you, but I can't delete with above methods.
I can delete my files using the -f flag. However, as I mentioned earlier, files that are installed by the Golang package installer cannot be deleted by me.
My logs here.
Any other ways?
Thank you.
[account_name@s0]:<~/go/pkg/mod/golang.org/x/crypto@v0.12.0/md4>$ ls -al
total 77
dr-xr-xr-x 2 account_name 1000 6 Aug 19 00:54 .
dr-xr-xr-x 35 account_name 1000 44 Aug 19 00:54 ..
-r--r--r-- 1 account_name 1000 418 Aug 19 00:54 example_test.go
-r--r--r-- 1 account_name 1000 3307 Aug 19 00:54 md4_test.go
-r--r--r-- 1 account_name 1000 2341 Aug 19 00:54 md4.go
-r--r--r-- 1 account_name 1000 2074 Aug 19 00:54 md4block.go
[account_name@s0]:<~/go/pkg/mod/golang.org/x/crypto@v0.12.0/md4>$ rm example_test.go
override r--r--r-- account_name/1000 uarch for example_test.go? y
rm: example_test.go: Permission denied
[account_name@s0]:<~/go/pkg/mod/golang.org/x/crypto@v0.12.0/md4>$ rm -f example_test.go
rm: example_test.go: Permission denied
[account_name@s0]:<~/go/pkg/mod/golang.org/x/crypto@v0.12.0/md4>$ chmod 777 example_test.go
[account_name@s0]:<~/go/pkg/mod/golang.org/x/crypto@v0.12.0/md4>$ rm example_test.go
rm: example_test.go: Permission denied
[account_name@s0]:<~/go/pkg/mod/golang.org/x/crypto@v0.12.0/md4>$ rm -f example_test.go
rm: example_test.go: Permission denied