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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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  Install Zabbix 7.2 repo wget https://repo.zabbix.com/zabbix/7.2/release/debian/pool/main/z/zabbix-release/zabbix-release_latest_7.2+debian12_all.deb [image: 1742676555884-zab1.png] dpkg -i zabbix-release_latest_7.2+debian12_all.deb [image: 1742676648105-zab2.png] Update repos apt update [image: 1742676738843-zab3.png] Install Zabbix server and frontend apt install zabbix-server-mysql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts zabbix-agent2 [image: 1742677030787-zab4.png] Install plugins apt install zabbix-agent2-plugin-mongodb zabbix-agent2-plugin-mssql zabbix-agent2-plugin-postgresql [image: 1742677530231-zab5.png] Install mysql wget https://dev.mysql.com/get/mysql-apt-config_0.8.30-1_all.deb [image: 1742677898275-zab-6sql.png] sudo dpkg -i mysql-apt-config_0.8.30-1_all.deb Error on this new install, where lsb-release is not installed [image: 1742678033732-zab7sql-error.png] apt-get install lsb-release [image: 1742678160799-zab7lsb.png] Try again… dpkg -i mysql-apt-config_0.8.30-1_all.deb Error, gnupg not installed [image: 1742678377440-zab7gnupgerror.png] apt install gnupg2 [image: 1742678481708-zab7gnupg2.png] Give it another go… dpkg -i mysql-apt-config_0.8.30-1_all.deb [image: 1742678661664-zab7sqltui.png] [image: 1742678753770-zab7sql.png] I had to list upgradable packages : apt-list --upgradable Which spit out : mysql-common/unknown 8.4.4-1debian12 all [upgradable from: 5.8+1.1.0] Then installed mysql-common apt-get install mysql-common [image: 1742679518868-zabbix-7-sqlgoofs.png] Had to uninstall Mariadb to resolve these conflicts apt remove mariadb-client-core Then install mysql-server: apt install mysql-server [image: 1742680463893-zab7-sql-common.png] [image: 1742680591055-zab7-sql-rootpass.png] Enter your password, twice Now enter mysql by typing : mysql -u root -p [image: 1742680827099-zab7-mysql-enter.png] Enter the following command individually Where ‘password’ is where you type in your actual own password mysql> create database zabbix character set utf8mb4 collate utf8mb4_bin; mysql> create user zabbix@localhost identified by 'password'; mysql> grant all privileges on zabbix.* to zabbix@localhost; mysql> set global log_bin_trust_function_creators = 1; mysql> quit; Populate the database with zabbix script zcat /usr/share/zabbix/sql-scripts/mysql/server.sql.gz | mysql --default-character-set=utf8mb4 -uzabbix -p zabbix mysql --u root -p set global log_bin_trust_function_creators = 0; quit; Edit file /etc/zabbix/zabbix_server.conf You can use nano nano /etc/zabbix/zabbix_server.conf Uncomment the DBPassword section, and type your password [image: 1742681757009-zabbix-dbpassword.png] Then hold ctrl and tap x, it will ask if you want to save changes. Enable services: systemctl enable zabbix-server zabbix-agent2 nginx php8.2-fpm systemctl restart zabbix-server zabbix-agent2 nginx php8.2-fpm Check that zabbix service has started journalctl -xeu zabbix-server.service [image: 1742725440950-zabbix7startjob.png] Delete the 'default site in nginx sudo rm -rf /etc/nginx/sites-enabled/default Make sure the symbolic link to the zabbix nginx file is present ln -s /etc/zabbix/nginx.conf /etc/nginx/sites-enabled/zabbix.conf Check that the zabbix nginx file is in the includes in nginx config nano /etc/nginx/nginx.conf Look for : include /etc/nginx/sites-enabled/* Now restart nginx systemctl restart nginx Hit the browser and type in the IP (or URL that you may have put in the zabbix nginx config file) [image: 1742727291386-zabbix.png] Make sure to configure locales [image: 1742727902357-zabbix-locales.png] sudo dpkg-reconfigure locales [image: 1742728046554-zabbixlocalestui.png] [image: 1742728108388-zabbix-locales-2.png] [image: 1742728175660-zabbix-locales-command.png] Reboot the system sudo shutdown -r now [image: 1742729482592-zabbix-utf.png] Add your database password [image: 1742729592620-zabbix-db.png] Add a server name [image: 1742729716424-zabbix-servername.png] [image: 1742729834860-zabbix-summary.png] [image: 1742729890336-zabbix-config.png] The default username is Admin, and the password is zabbix [image: 1742730124125-zabbix-home.png]
• 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