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apt-get update
apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests --no-conflicts --no-breaks --no-replaces --no-enhances ca-certificates | grep "^\w")
sed '/DST_Root_CA_X3.crt/d' /etc/ca-certificates.conf > /tmp/cacerts.conf && mv /tmp/cacerts.conf /etc/ca-certificates.conf
dpkg-reconfigure ca-certificates

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Creating space by removing container logs
Similarly, the docker needs sufficient space in /var/lib/docker to write into it. So users get an error when the space is insufficient. Hence to create more space in the container, we remove large log files.

Our Support Engineers first list the log files. For this, we use the command,

du -d1 -h /var/lib/docker/containers | sort -h
The output of this command lists the container directories and log size. Hence, to clear the container log we use the command,

cat /dev/null > /var/lib/docker/containers/container_id/container_log_name
But, if there is no root access then we use the below command to prevent permission errors.

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execute 'ps -ef | grep nginx'
get root nginx process 
execute 'sudo kill 9 <process>'
execute 'sudo service nginx start'

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https://github.com/moby/moby/issues/22635#issuecomment-356842194

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https://gist.github.com/jexchan/2351996

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https://www.digicert.com/kb/csr-ssl-installation/nginx-openssl.htm#ssl_certificate_install

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ports:
  - 127.0.0.1:ex_port:in_port

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sudo ifconfig vboxnet0 down && sudo ifconfig vboxnet0 up

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/usr/local/kong/logs/error.log

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sudo groupadd sftpusers
sudo adduser importer
sudo chown root:root /home/importer
sudo usermod importer -g sftpusers
sudo mkdir /home/importer/data
sudo chown -R importer:sftpusers /home/importer/data

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sftp access configuration
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