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#!/bin/bash
set +eux
## Certificate DST_Root_CA-X3 expired, it needs to be removed
## from list of available certificates. Debian <10 have the issue.
##
## Fixing: https://www.reddit.com/r/sysadmin/comments/pzags0/lets_encrypts_dst_root_ca_x3_expired_yesterday/
## see also: https://techcrunch.com/2021/09/21/lets-encrypt-root-expiry/?guccounter=1
modified_certificate=
mkdir -p /usr/local/share/ca-certificates/custom
for certfile_name in isrgrootx1:ISRG_Root_X1 isrg-root-x2 lets-encrypt-r3; do
certfile=${certfile_name%%:*}
name=${certfile_name#*:}
echo "Checking $certfile for $name"
if ! [ -e "/usr/local/share/ca-certificates/custom/$certfile".crt ] &&
! [ -e "/etc/ssl/certs/$name.pem" ]; then
wget --no-check-certificate https://letsencrypt.org/certs/"$certfile".pem \
-O "/usr/local/share/ca-certificates/custom/$certfile".crt
modified_certificate=1
fi
done
if grep "^mozilla/DST_Root_CA_X3.crt" /etc/ca-certificates.conf 2>/dev/null 2>&1; then
sed -ri 's%^(mozilla/DST_Root_CA_X3.crt)%!\1%g' /etc/ca-certificates.conf
fi
if [ -n "$modified_certificate" ]; then
update-ca-certificates
fi
## We can now do the ``apt-get update`` safely...
apt-get update
apt-get -y install bash-completion wget bzip2 git-core \
less tmux mosh \
sudo git vim file </dev/null
apt-get -y python-software-properties </dev/null ||
apt-get -y software-properties-common </dev/null
case $(lsb_release -is) in
Ubuntu)
apt-get install -y language-pack-en </dev/null
;;
Debian)
sed -ri 's/^\s*#\s*(en_US\.UTF-?8.*)\s*$/\1/g' /etc/locale.gen
locale-gen
;;
esac