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• Linux Systems Guides

  Step by Step Guides for administration of widely utilized core linux services and applications

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  • linux discussion
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  Create a shell script that will dump the Redis database cd ~ mkdir redi-backups-script cd redis-backups-script nano redis_backups-script.sh Paste the script below: #!/bin/bash rdb_file="/Place-directory-of-rdb-here/redis/dump.rdb" redis_cli="/usr/bin/redis-cli" DIR=`date +%d-%m-%y` DEST=~/redis_backups/$DIR mkdir $DEST echo save| $redis_cli exit 1 Set script to executable: chmod +x ~/scripts/redis_backups-script.sh Create a cron to run daily: Then create a cron job to run the script every day at midnight: crontab -e 0 0 * * * ~/redis-backups-script/redis_backup.sh Restore RDB backup Disable Append Only in the config: nano /etc/redis/redis.conf appendonly no Stop redis: sudo service redis-server stop Restore the redis backup: rename the rdb file you wish sudo cp /home/redis/dump.rdb /home/redis/dump.rdb.bak You can then copy the backup rdb file as follows: sudo cp /redis_backups/------/dump.rdb /home/redis/dump.rdb Apply the proper permissions to the dump.rdb file: sudo chmod 660 /home/redis/dump.rdb Re-starting Redis server sudo service redis-server start
• Backup Solutions

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  New script due to dependency changes: #! /bin/sh set -e if [ “$1” = “install” ] || [ “$1” = “upgrade” ]; then ACTION=$1 elif [ “$1” = “” ]; then ACTION=install else echo “usage: $(basename $0) action [source]” echo “action is either install (default) or upgrade” echo “source is either tar (default) or git” exit 1 fi if [ “$2” = “git” ] || [ “$2” = “tar” ]; then SOURCE=$2 elif [ “$2” = “” ]; then SOURCE=tar else echo “Unknown source $2!” exit 1 fi if [ “$BPC_UID” ] && [ $(getent passwd “$BPC_UID” | cut -d ‘:’ -f 1) != “backuppc” ]; then echo “The uid = $BPC_UID is already in use!” exit 1 fi #Install dependencies apt-get -q update export DEBIAN_FRONTEND=noninteractive apt-get install -q -y apache2 apache2-utils libapache2-mod-perl2 par2 perl smbclient rsync tar gcc zlib1g zlib1g-dev rrdtool git make perl-doc libarchive-zip-perl libfile-listing-perl libxml-rss-perl libcgi-session-perl libacl1-dev wget iputils-ping pwgen #Set up backuppc user and directory if ! id backuppc >/dev/null 2>&1; then if [ “$BPC_UID” ]; then adduser --system --home /var/lib/backuppc --group --disabled-password --shell /bin/false --uid=“$BPC_UID” backuppc else adduser --system --home /var/lib/backuppc --group --disabled-password --shell /bin/false backuppc fi fi mkdir -p /var/lib/backuppc/.ssh chmod 700 /var/lib/backuppc/.ssh echo -e “BatchMode yes\nStrictHostKeyChecking no” > /var/lib/backuppc/.ssh/config if [ ! -e /var/lib/backuppc/.ssh/id_rsa ]; then ssh-keygen -q -t rsa -b 4096 -N ‘’ -C “BackupPC key” -f /var/lib/backuppc/.ssh/id_rsa fi chmod 600 /var/lib/backuppc/.ssh/id_rsa chmod 644 /var/lib/backuppc/.ssh/id_rsa.pub chown -R backuppc:backuppc /var/lib/backuppc/.ssh #Set password or read password file if [ “$BPC_PASS” ]; then PASSWORD=“$BPC_PASS” elif [ -e /root/password ]; then PASSWORD=$(cat /root/password) chmod 600 /root/password else PASSWORD=$(pwgen -s -1 32) echo “$PASSWORD” > /root/password chmod 600 /root/password fi echo “backuppc:$PASSWORD” | chpasswd backuppc #Get BackupPC release versions get_latest_release() { wget -q -O - “https://api.github.com/repos/$1/releases/latest” | grep ‘“tag_name”:’ | sed -E ‘s/.“([^”]+)"./\1/’ } bpcver=$(get_latest_release “backuppc/backuppc”) bpcxsver=$(get_latest_release “backuppc/backuppc-xs”) rsyncbpcver=$(get_latest_release “backuppc/rsync-bpc”) mkdir -p /tmp/bpc cd /tmp/bpc if [ $SOURCE = “tar” ]; then ##Fetch and install latest stable releases wget https://github.com/backuppc/backuppc-xs/releases/download/$bpcxsver/BackupPC-XS-$bpcxsver.tar.gz wget https://github.com/backuppc/rsync-bpc/releases/download/$rsyncbpcver/rsync-bpc-$rsyncbpcver.tar.gz wget https://github.com/backuppc/backuppc/releases/download/$bpcver/BackupPC-$bpcver.tar.gz tar -zxf BackupPC-XS-$bpcxsver.tar.gz tar -zxf rsync-bpc-$rsyncbpcver.tar.gz tar -zxf BackupPC-$bpcver.tar.gz cd BackupPC-XS-$bpcxsver perl Makefile.PL make make test make install cd …/rsync-bpc-$rsyncbpcver ./configure make make install cd …/BackupPC-$bpcver fi if [ $SOURCE = “git” ]; then #Fetch and install the latest development code instead git clone https://github.com/backuppc/backuppc.git git clone https://github.com/backuppc/backuppc-xs.git git clone https://github.com/backuppc/rsync-bpc.git cd backuppc-xs perl Makefile.PL make make test make install cd …/rsync-bpc ./configure make make install cd …/backuppc ./makeDist --nosyntaxCheck --releasedate “date -u "+%d %b %Y"” --version ${bpcver}git tar -zxf dist/BackupPC-${bpcver}git.tar.gz cd BackupPC-${bpcver}git fi if [ $ACTION = “install” ]; then ./configure.pl --batch --cgi-dir /var/www/cgi-bin/BackupPC --data-dir /var/lib/backuppc --hostname backuppc --html-dir /var/www/html/BackupPC --html-dir-url /BackupPC --install-dir /usr/local/BackupPC fi if [ $ACTION = “upgrade” ]; then ./configure.pl --batch --config-path /etc/BackupPC/config.pl fi #Set up web server #Note that changing the apache user and group (/etc/apache2/envvars) could cause other services #provided by apache to fail. There are alternatives if you don’t want to change the apache #user: use SCGI or a setuid BackupPC_Admin script - see the docs. cp httpd/BackupPC.conf /etc/apache2/conf-available/backuppc.conf sed -i “/Require local/d” /etc/apache2/conf-available/backuppc.conf sed -i “s/export APACHE_RUN_USER=www-data/export APACHE_RUN_USER=backuppc/” /etc/apache2/envvars sed -i “s/export APACHE_RUN_GROUP=www-data/export APACHE_RUN_GROUP=backuppc/” /etc/apache2/envvars echo ‘’ > /var/www/html/index.html a2enconf backuppc a2enmod cgid service apache2 restart #Set up backuppc service cp systemd/init.d/debian-backuppc /etc/init.d/backuppc chmod 755 /etc/init.d/backuppc update-rc.d backuppc defaults chmod u-s /var/www/cgi-bin/BackupPC/BackupPC_Admin touch /etc/BackupPC/BackupPC.users sed -i “s/$Conf{CgiAdminUserGroup}.*/$Conf{CgiAdminUserGroup} = ‘backuppc’;/” /etc/BackupPC/config.pl sed -i “s/$Conf{CgiAdminUsers}.*/$Conf{CgiAdminUsers} = ‘backuppc’;/” /etc/BackupPC/config.pl chown -R backuppc:backuppc /etc/BackupPC echo $PASSWORD | htpasswd -i /etc/BackupPC/BackupPC.users backuppc service backuppc start #Clean up cd rm -rf /tmp/bpc echo “All done!” exit 0