waja / gist:cced251f4e8c4cc886d955ff01755343

Please also refer to http://www.debian.org/releases/bullseye/releasenotes and use your brain! If you can’t figure out what one of the commands below does, this is not for you. Expert mode only :) # Crossgrading ?!? [ "$(dpkg --print-architecture)" == "i386" ] && echo "How about crossgrading to amd64 as described in https://stbuehler.de/blog/article/2017/06/28/debian_buster__upgrade_32-bit_to_64-bit.html?" # upgrade to UTF-8 locales (http://www.debian.org/releases/bullseye/amd64/release-notes/ap-old-stuff.en.html#switch-utf8) dpkg-reconfigure locales # remove unused config file rm -rf /etc/network/options /etc/environment # are there 3rd party packages installed? (https://www.debian.org/releases/bullseye/amd64/release-notes/ch-upgrading.de.html#system-status) aptitude search '~i(!~ODebian)' # check for ftp protocol in sources lists (https://www.debian.org/releases/bullseye/amd64/release-notes/ch-information.en.html#deprecation-of-ftp-apt-mirrors) rgrep --color "deb ftp" /etc/apt/sources.list* # Transition and remove entries from older releases sed -i /lenny/d /etc/apt/sources.list* sed -i /sarge/d /etc/apt/sources.list* sed -i /squeeze/d /etc/apt/sources.list* sed -i /wheezy/d /etc/apt/sources.list* sed -i /jessie/d /etc/apt/sources.list* sed -i /volatile/d /etc/apt/sources.list* sed -i /proposed-updates/d /etc/apt/sources.list* # change distro (please move 3rd party sources to /etc/apt/sources.list.d/), maybe look into http://ftp.cyconet.org/debian/sources.list.d/ sed -i s/buster/bullseye/g /etc/apt/sources.list* sed -i "s/ stable/ bullseye/g" /etc/apt/sources.list* sed -i s/buster/bullseye/g /etc/apt/preferences* sed -i s/buster/bullseye/g /etc/apt/sources.list.d/*buster* rename.ul buster bullseye /etc/apt/sources.list.d/*buster* rgrep --color buster /etc/apt/sources.list* apt update # check package status dpkg --audit aptitude search "~ahold" | grep "^.h" dpkg --get-selections | grep hold dpkg --get-selections "*" > ~/curr-pkgs.txt # unmark packages auto aptitude unmarkauto vim net-tools && \ aptitude unmarkauto libapache2-mpm-itk && \ aptitude unmarkauto $(dpkg-query -W 'linux-image-4.19.0*' | cut -f1) # have a look into required and free disk space apt-get -o APT::Get::Trivial-Only=true dist-upgrade || df -h # check for a linux-image meta package dpkg -l "linux-image*" | grep ^ii | grep -i meta || echo "Please have a look into https://www.debian.org/releases/bullseye/amd64/release-notes/ch-upgrading.en.html#kernel-metapackage!" # record session script -t 2>~/upgrade-bullseye.time -a ~/upgrade-bullseye.script # install our preseed so libc doesn't whine cat > /tmp/buster.preseed <<EOF libc6 glibc/upgrade boolean true libc6 glibc/restart-services string libc6 libraries/restart-without-asking boolean true EOF /usr/bin/debconf-set-selections /tmp/buster.preseed # update aptitude and apt first [ "$(which aptitude)" = "/usr/bin/aptitude" ] && apt install aptitude && \ [ "$(which apt)" = "/usr/bin/apt" ] && apt install apt # transition sshd port changes and adjusted authkeyfile if [ ! -d /etc/ssh/sshd_config.d ]; then mkdir -p /etc/ssh/sshd_config.d; fi if [ ! $(grep ^Port /etc/ssh/sshd_config | tee /etc/ssh/sshd_config.d/port.conf | wc -l) -gt 0 ]; then rm /etc/ssh/sshd_config.d/port.conf; fi if [ ! $(grep ^AuthorizedKeysFile /etc/ssh/sshd_config | tee /etc/ssh/sshd_config.d/authorizedkeysfile.conf | wc -l) -gt 0 ]; then rm /etc/ssh/sshd_config.d/authorizedkeysfile.conf ; fi # transition ssh changes if [ ! -d /etc/ssh/ssh_config.d ]; then mkdir -p /etc/ssh/ssh_config.d; fi if [ ! $(grep "^ *Port" /etc/ssh/ssh_config | tee /etc/ssh/ssh_config.d/port.conf | wc -l) -gt 0 ]; then rm /etc/ssh/ssh_config.d/port.conf; fi # minimal system upgrade apt upgrade # chrony update, modify the new config to our needs and place it where it is expected. if [ ! -d /etc/chrony/conf.d/ ]; then mkdir -p /etc/chrony/conf.d/; fi; echo "pool 0.de.pool.ntp.org iburst" > /etc/chrony/conf.d/pool.conf # full-upgrade apt full-upgrade # Migrate (webserver) from php7.3 to php7.4 apt install $(dpkg -l |grep php7.3 | awk '/^i/ { print $2 }' |grep -v ^php7.3-opcache |sed s/php7.3/php/) [ -L /etc/apache2/mods-enabled/mpm_prefork.load ] && a2dismod php7.3 && a2enmod php7.4 && systemctl restart apache2; ls -la /etc/php/7.3/*/conf.d/ # php-fpm tail -10 /etc/php/7.3/fpm/pool.d/www.conf vi /etc/php/7.4/fpm/pool.d/www.conf systemctl disable php7.3-fpm && systemctl stop php7.3-fpm && systemctl restart php7.4-fpm # nginx rename s/php73/php74/g /etc/nginx/conf.d/*php73*.conf sed -i s/php7.3-fpm/php7.4-fpm/g /etc/nginx/conf.d/*.conf /etc/nginx/snippets/*.conf /etc/nginx/sites-available/* systemctl restart nginx # transition docker-ce to bullseye package DOCKER_VER="$(apt-cache policy docker-ce | grep debian-bullseye | head -1 | awk '{print $1}')" && [ -n "${DOCKER_VER}" ] && apt install docker-ce=${DOCKER_VER} docker-ce-cli=${DOCKER_VER} # transition icingaweb2 to bullseye package ICINGAWEB2_VER="$(apt-cache policy icingaweb2 | grep "\.bullseye" | head -1 | awk '{print $1}')" && [ -n "${ICINGAWEB2_VER}" ] && apt install icingaweb2=${ICINGAWEB2_VER} icingaweb2-common=${ICINGAWEB2_VER} icingaweb2-module-monitoring=${ICINGAWEB2_VER} php-icinga=${ICINGAWEB2_VER} icingacli=${ICINGAWEB2_VER} # remove old squeeze packages left around (keep eyes open!) apt autoremove && \ apt purge $(aptitude search ?obsolete | grep -v -E 'linux-image|mailscanner|phpmyadmin|check-openmanage|check-linux-bonding' | awk '/^i *A/ { print $3 }') && \ apt purge $(aptitude search ?obsolete | grep -v -E 'linux-image|mailscanner|phpmyadmin|check-openmanage|check-linux-bonding' | awk '/^i/ { print $2 }') && \ apt purge $(dpkg -l | grep etch | grep -v xen | grep -v unbound | grep -v finch | awk '/^rc/ { print $2 }') && \ apt purge $(dpkg -l | grep lenny | grep -v xen | awk '/^rc/ { print $2 }') && \ apt purge $(dpkg -l | grep -E 'deb6|squeeze' | grep -v xen | awk '/^rc/ { print $2 }') && \ apt purge $(dpkg -l | grep -E 'deb7|wheezy' | grep -v xen | grep -v -E 'linux-image|mailscanner|openswan|debian-security-support' | awk '/^rc/ { print $2 }') && \ apt purge $(dpkg -l | grep -E 'deb8|jessie' | grep -v xen | grep -v -E 'linux-image|debian-security-support' | awk '{ print $2 }') && \ apt purge $(dpkg -l | grep -E 'deb9|stretch' | grep -v xen | grep -v -E 'linux-image|debian-security-support|icinga2|phpmyadmin' | awk '{ print $2 }') && \ apt purge $(dpkg -l | grep -E 'deb10|buster' | grep -v xen | grep -v -E 'linux-image|debian-security-support|icinga2|phpmyadmin' | awk '{ print $2 }') && \ apt -y install deborphan && apt purge $(deborphan | grep -v xen | grep -v -E 'libpam-cracklib|libapache2-mpm-itk') apt purge $(dpkg -l | awk '/^rc/ { print $2 }') # for the brave YoloOps crowd reboot && sleep 180; echo u > /proc/sysrq-trigger ; sleep 2 ; echo s > /proc/sysrq-trigger ; sleep 2 ; echo b > /proc/sysrq-trigger ### not needed until now # randomize crontab if [ -f /etc/crontab.dpkg-new ]; then CFG=/etc/crontab.dpkg-new; else CFG=/etc/crontab; fi sed -i 's#root cd#root perl -e "sleep int(rand(300))" \&\& cd#' $CFG sed -i 's#root\ttest#root\tperl -e "sleep int(rand(3600))" \&\& test#' $CFG # migrate unattended-upgrades config, modify the new config to our needs and place it where it is expected. # Keep LOCAL config if asked when upgrading (and run this snippet afterwards, when dpkg is not blocked anymore and choose 'package maintainer version' then, cause this is the one we are adjusting here) if [ -f /etc/apt/apt.conf.d/50unattended-upgrades.ucf-old ]; then CFG=/etc/apt/apt.conf.d/50unattended-upgrades.ucf-old; else CFG=/etc/apt/apt.conf.d/50unattended-upgrades; fi && \ cp /usr/share/unattended-upgrades/50unattended-upgrades /tmp/ && \ MAIL=$(grep ^Unattended-Upgrade::Mail $CFG | awk -F\" '{print $2}'); sed -i 's#//Unattended-Upgrade::Mail ".*";#Unattended-Upgrade::Mail "'${MAIL}'";#g' /tmp/50unattended-upgrades && \ TIME=$(grep ^Unattended-Upgrade::Automatic-Reboot-Time $CFG | awk -F\" '{print $2}'); if [ "${TIME}" != "" ]; then sed -i 's#//Unattended-Upgrade::Automatic-Reboot-Time "02:00"#Unattended-Upgrade::Automatic-Reboot-Time "'${TIME}'"#' /tmp/50unattended-upgrades; fi sed -i 's#// "origin=Debian,codename=${distro_codename}-updates"# "origin=Debian,codename=${distro_codename}-updates"#' /tmp/50unattended-upgrades && \ sed -i 's#//Unattended-Upgrade::Remove-Unused-Dependencies "false"#Unattended-Upgrade::Remove-Unused-Dependencies "true"#' /tmp/50unattended-upgrades && \ sed -i 's#//Unattended-Upgrade::Automatic-Reboot "false"#Unattended-Upgrade::Automatic-Reboot "true"#' /tmp/50unattended-upgrades && \ sed -i '/codename=..distro_codename.-updates/ s#^//# #' /tmp/50unattended-upgrades && \ /bin/bash /usr/bin/ucf --three-way --debconf-ok /tmp/50unattended-upgrades /etc/apt/apt.conf.d/50unattended-upgrades && \ [ "$CFG" == "/etc/apt/apt.conf.d/50unattended-upgrades.ucf-old" ] && mv $CFG /etc/apt/apt.conf.d/50unattended-upgrades.ucf-save ## phpmyadmin if [ -f /etc/phpmyadmin/config.inc.php.dpkg-new ]; then CFG=/etc/phpmyadmin/config.inc.php.dpkg-new; \ else CFG=/etc/phpmyadmin/config.inc.php; fi sed -i "s/\['auth_type'\] = 'cookie'/\['auth_type'\] = 'http'/" $CFG sed -i "s#//\$cfg\['Servers'\]\[\$i\]\['auth_type'\] = 'http';#\$cfg['Servers'][\$i]['auth_type'] = 'http';#" $CFG # Update old postfix configurations cp /etc/postfix/main.cf /tmp/main.cf && \ if [ $(postconf -n smtpd_relay_restrictions | wc -l) -eq 0 ]; then sed -i '/^myhostname.*/i smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination' /etc/postfix/main.cf; fi && \ if [ -z $(postconf -nh compatibility_level) ]; then sed -iE 's/^readme_directory = no/readme_directory = no\n\n# See http:\/\/www.postfix.org\/COMPATIBILITY_README.html -- default to 2 on\n# fresh installs.\ncompatibility_level = 2\n\n/' /etc/postfix/main.cf; fi && \ diff -Nur /tmp/postfix/main.cf /etc/postfix/main.cf && \ postfix reload # Upgrade postgres # See also https://www.debian.org/releases/buster/amd64/release-notes/ch-information.de.html#plperl if [ "$(dpkg -l | grep "postgresql-9.4" | awk {'print $2'})" = "postgresql-9.4" ]; then \ apt install postgresql-9.6 && \ pg_dropcluster --stop 9.6 main && \ /etc/init.d/postgresql stop && \ pg_upgradecluster -v 9.6 9.4 main && \ sed -i "s/^manual/auto/g" /etc/postgresql/9.6/main/start.conf && \ sed -i "s/^port = .*/port = 5432/" /etc/postgresql/9.6/main/postgresql.conf && \ sed -i "s/^shared_buffers = .*/shared_buffers = 128MB/" /etc/postgresql/9.6/main/postgresql.conf && \ /etc/init.d/postgresql restart; \ fi pg_dropcluster 9.4 main