After install docker need to add ca certificate to CentOS 7 copy ca certificates into
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/etc/pki/ca-trust/source/anchors/ |
after than use follow command to update certificates
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# update-ca-trust |
now add proxy settings into docker config file /etc/sysconfig/docker as follow
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HTTP_PROXY="" HTTPS_PROXY="" |
if use docker community edition (docker-ce) can use a conf file to set proxy, es /etc/systemd/system/docker.service.d/http-proxy.conf:
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[Service] Environment="HTTP_PROXY=http://proxy.example.com:80/" "NO_PROXY=localhost,127.0.0.1,docker-registry.example.com,.corp" |
can see documentation here: https://docs.docker.com/config/daemon/systemd/#httphttps-proxy
for sudo without password add row indo /etc/sudoers
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[USER] ALL=(ALL) NOPASSWD: /usr/bin/docker |
configure docker engine to start at boot:
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systemctl enable docker systemctl restart docker |