Can't run docker in Centos 7

Obay Abdelgadir asked: I installed docker following the official website instructions, yet I get the following (from journalctl -xe): Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.614348477Z" level=info msg="Starting up" Sep 12 …

crontab: using ${USER}

SEU asked: Right now I am writing some scripts that uses ${USER} to point to subsequent scripts. But when I run it from crontab, it errors out and the files …