253 lines
10 KiB
Bash
Executable file
253 lines
10 KiB
Bash
Executable file
#!/bin/sh
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#
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# Script Evobackup client
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# See https://forge.evolix.org/projects/evobackup
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#
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# Author: Gregory Colpart <reg@evolix.fr>
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# Contributor: Romain Dessort <rdessort@evolix.fr>, Benoît Série <bserie@evolix.fr>, Tristan Pilat <tpilat@evolix.fr>, Victor Laborie <vlaborie@evolix.fr>, Jérémy Lecour <jlecour@evolix.fr>
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# Licence: AGPLv3
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#
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PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/bin
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## lang = C for english outputs
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export LANGUAGE=C
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export LANG=C
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## Force umask
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umask 077
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## Verify other evobackup process and kill if needed
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PIDFILE=/var/run/evobackup.pid
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if [ -e $PIDFILE ]; then
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pid=$(cat "$PIDFILE")
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# Killing the childs of evobackup.
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for ppid in $(ps h --ppid "$pid" -o pid | tr -s '\n' ' '); do
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kill -9 "$ppid";
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done
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# Then kill the main PID.
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kill -9 "$pid"
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echo "$0 tourne encore (PID $pid). Processus killé" >&2
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fi
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echo "$$" > $PIDFILE
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trap "rm -f $PIDFILE" EXIT
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# port SSH
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SSH_PORT=2XXX
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# email adress for notifications
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MAIL=jdoe@example.com
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# choose "linux" or "bsd"
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SYSTEM=$(uname | tr '[:upper:]' '[:lower:]')
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# Variable to choose different backup server with date
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NODE=$(($(date +%e) % 2))
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# serveur address for rsync
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SRV="node$NODE.backup.example.com"
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## We use /home/backup : feel free to use your own dir
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mkdir -p -m 700 /home/backup
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## OpenLDAP : example with slapcat
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# slapcat -l /home/backup/ldap.bak
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### MySQL
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## example with global and compressed mysqldump
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# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf -P 3306 \
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# --opt --all-databases --force --events --hex-blob | gzip --best > /home/backup/mysql.bak.gz
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## example with two dumps for each table (.sql/.txt) for all databases
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# for i in $(echo SHOW DATABASES | mysql --defaults-extra-file=/etc/mysql/debian.cnf -P 3306 \
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# | egrep -v "^(Database|information_schema|performance_schema|sys)" ); \
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# do mkdir -p -m 700 /home/mysqldump/$i ; chown -RL mysql /home/mysqldump ; \
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# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf --force -P 3306 -Q --opt --events --hex-blob --skip-comments \
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# --fields-enclosed-by='\"' --fields-terminated-by=',' -T /home/mysqldump/$i $i; done
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## example with compressed SQL dump for each databases
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# mkdir -p -m 700 /home/mysqldump/
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# for i in $(mysql --defaults-extra-file=/etc/mysql/debian.cnf -P 3306 -e 'show databases' -s --skip-column-names \
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# | egrep -v "^(Database|information_schema|performance_schema|sys)"); do
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# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf --force -P 3306 --events --hex-blob $i | gzip --best > /home/mysqldump/${i}.sql.gz
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# done
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## example with *one* uncompressed SQL dump for *one* database (MYBASE)
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# mkdir -p -m 700 /home/mysqldump/MYBASE
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# chown -RL mysql /home/mysqldump/
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# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf --force -Q \
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# --opt --events --hex-blob --skip-comments -T /home/mysqldump/MYBASE MYBASE
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## example with mysqlhotcopy
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# mkdir -p -m 700 /home/mysqlhotcopy/
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# mysqlhotcopy BASE /home/mysqlhotcopy/
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## example for multiples MySQL instances
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# mysqladminpasswd=$(grep -m1 'password = .*' /root/.my.cnf|cut -d" " -f3)
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# grep -E "^port\s*=\s*\d*" /etc/mysql/my.cnf |while read instance; do
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# instance=$(echo "$instance"|awk '{ print $3 }')
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# if [ "$instance" != "3306" ]
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# then
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# mysqldump -P $instance --opt --all-databases --hex-blob -u mysqladmin -p$mysqladminpasswd > /home/backup/mysql.$instance.bak
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# fi
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# done
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### PostgreSQL
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## example with pg_dumpall (warning: you need space in ~postgres)
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# su - postgres -c "pg_dumpall > ~/pg.dump.bak"
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# mv ~postgres/pg.dump.bak /home/backup/
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## another method with gzip directly piped
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# cd /var/lib/postgresql
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# sudo -u postgres pg_dumpall | gzip > /home/backup/pg.dump.bak.gz
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# cd - > /dev/null
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## example with all tables from MYBASE excepts TABLE1 and TABLE2
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# pg_dump -p 5432 -h 127.0.0.1 -U USER --clean -F t --inserts -f /home/backup/pg-backup.tar -t 'TABLE1' -t 'TABLE2' MYBASE
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## example with only TABLE1 and TABLE2 from MYBASE
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# pg_dump -p 5432 -h 127.0.0.1 -U USER --clean -F t --inserts -f /home/backup/pg-backup.tar -T 'TABLE1' -T 'TABLE2' MYBASE
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## MongoDB : example with mongodump
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## don't forget to create use with read-only access
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## > use admin
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## > db.createUser( { user: "mongobackup", pwd: "PASS", roles: [ "backup", ] } )
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# test -d /home/backup/mongodump/ && rm -rf /home/backup/mongodump/
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# mkdir -p -m 700 /home/backup/mongodump/
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# mongodump --quiet -u mongobackup -pPASS -o /home/backup/mongodump/
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# if [ $? -ne 0 ]; then
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# echo "Error with mongodump!"
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# fi
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## Redis : example with copy .rdb file
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# cp /var/lib/redis/dump.rdb /home/backup/
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## ElasticSearch, take a snapshot as a backup.
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## Warning: You need to have a path.repo configured.
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## See: https://wiki.evolix.org/HowtoElasticsearch#snapshots-et-sauvegardes
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# curl -s -XDELETE "localhost:9200/_snapshot/snaprepo/snapshot.daily" -o /tmp/es_delete_snapshot.daily.log
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# curl -s -XPUT "localhost:9200/_snapshot/snaprepo/snapshot.daily?wait_for_completion=true" -o /tmp/es_snapshot.daily.log
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## Clustered version here
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## It basically the same thing except that you need to check that NFS is mounted
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# if ss | grep ':nfs' | grep -q 'ip\.add\.res\.s1' && ss | grep ':nfs' | grep -q 'ip\.add\.res\.s2'
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# then
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# curl -s -XDELETE "localhost:9200/_snapshot/snaprepo/snapshot.daily" -o /tmp/es_delete_snapshot.daily.log
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# curl -s -XPUT "localhost:9200/_snapshot/snaprepo/snapshot.daily?wait_for_completion=true" -o /tmp/es_snapshot.daily.log
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# else
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# echo 'Cannot make a snapshot of elasticsearch, at least one node is not mounting the repository.'
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# fi
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## If you need to keep older snapshot, for example the last 10 daily snapshots, replace the XDELETE and XPUT lines by :
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# for snapshot in $(curl -s -XGET "localhost:9200/_snapshot/snaprepo/_all?pretty=true" | grep -Eo 'snapshot_[0-9]{4}-[0-9]{2}-[0-9]{2}' | head -n -10); do
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# curl -s -XDELETE "localhost:9200/_snapshot/snaprepo/${snapshot}" | grep -v -Fx '{"acknowledged":true}'
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# done
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# date=$(date +%F)
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# curl -s -XPUT "localhost:9200/_snapshot/snaprepo/snapshot_${date}?wait_for_completion=true" -o /tmp/es_snapshot_${date}.log
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## RabbitMQ : export config
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#rabbitmqadmin export /home/backup/rabbitmq.config >> /var/log/evobackup.log
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## Dump MBR / table partitions with dd and sfdisk
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## Linux
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#for disk in $(ls /dev/[sv]d[a-z] 2>/dev/null); do
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# name=$(basename $disk)
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# dd if=$disk of=/home/backup/MBR-$name bs=512 count=1 2>&1 | egrep -v "(records in|records out|512 bytes)"
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# fdisk -l $disk > /home/backup/partitions-$name
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#done
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#cat /home/backup/partitions-* > /home/backup/partitions
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## OpenBSD
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# disklabel sd0 > /home/backup/partitions
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# backup MegaCli config
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#megacli -CfgSave -f /home/backup/megacli_conf.dump -a0 >/dev/null
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## Dump system and kernel versions
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uname -a > /home/backup/uname
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## Dump network routes with mtr and traceroute (warning: could be long with aggressive firewalls)
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for addr in 8.8.8.8 www.evolix.fr travaux.evolix.net; do
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mtr -r $addr > /home/backup/mtr-${addr}
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traceroute -n $addr > /home/backup/traceroute-${addr} 2>&1
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done
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## Dump process with ps
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ps auwwx >/home/backup/ps.out
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if [ "$SYSTEM" = "linux" ]; then
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## Dump network connections with netstat
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netstat -taupen >/home/backup/netstat.out
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## List Debian packages
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dpkg -l >/home/backup/packages
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dpkg --get-selections >/home/backup/packages.getselections
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apt-cache dumpavail >/home/backup/packages.available
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else
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## Dump network connections with netstat
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netstat -finet -atn >/home/backup/netstat.out
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## List OpenBSD packages
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pkg_info -m >/home/backup/packages
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fi
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HOSTNAME=$(hostname)
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BEGINNING=$(/bin/date +"%d-%m-%Y ; %H:%M")
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if [ "$SYSTEM" = "linux" ]; then
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rep="/bin /boot /lib /opt /sbin /usr"
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else
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rep="/bsd /bin /sbin /usr"
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fi
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rsync -avzh --stats --delete --delete-excluded --force --ignore-errors --partial \
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--exclude "lost+found" \
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--exclude ".nfs.*" \
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--exclude "/var/log" \
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--exclude "/var/log/evobackup*" \
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--exclude "/var/lib/mysql" \
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--exclude "/var/lib/postgres" \
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--exclude "/var/lib/postgresql" \
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--exclude "/var/lib/sympa" \
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--exclude "/var/lib/metche" \
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--exclude "/var/run" \
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--exclude "/var/lock" \
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--exclude "/var/state" \
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--exclude "/var/apt" \
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--exclude "/var/cache" \
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--exclude "/usr/src" \
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--exclude "/usr/doc" \
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--exclude "/usr/share/doc" \
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--exclude "/usr/obj" \
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--exclude "dev" \
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--exclude "/var/spool/postfix" \
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--exclude "/var/lib/amavis/amavisd.sock" \
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--exclude "/var/lib/munin/*tmp*" \
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--exclude "/var/lib/php5" \
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--exclude "/var/spool/squid" \
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--exclude "/var/lib/elasticsearch" \
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--exclude "/var/lib/amavis/tmp" \
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--exclude "/var/lib/clamav/*.tmp" \
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--exclude "/home/mysqltmp" \
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--exclude "/var/lib/php/sessions" \
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$rep \
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/etc \
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/root \
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/var \
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/home \
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/srv \
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-e "ssh -p $SSH_PORT" \
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"root@$SRV:/var/backup/" \
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| tail -30 >> /var/log/evobackup.log
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END=$(/bin/date +"%d-%m-%Y ; %H:%M")
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echo "EvoBackup - $HOSTNAME - START $BEGINNING" \
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>> /var/log/evobackup.log
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echo "EvoBackup - $HOSTNAME - STOP $END" \
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>> /var/log/evobackup.log
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tail -10 /var/log/evobackup.log | \
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mail -s "[info] EvoBackup - Client $HOSTNAME" \
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$MAIL
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