Tag Archives: OSSEC

Install/Update OSSIM/OSSEC agent (AlmaLinux 8.6 or CentOS)

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This is an update to the previous CentOS installation of OSSEC 3.6 ( here https://cheesefather.com/2020/06/install-ossim-ossec-agent-centos-7/), updating it to 3.7. You need one more library installed before OSSEC can update: dnf -y install systemd-develwget https://github.com/ossec/ossec-hids/archive/3.7.0.tar.gztar xzf 3.7.0.tar.gzcd ossec-hids-3.7.0/./install.sh Or to install from scratch, just change the first command and add the… Continue reading →

Install OSSIM/OSSEC agent (CentOS 7)

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I couldn’t find proper instructions on doing this anywhere so here are mine: In your OSSIM portal go to Environment -> Assets & Groups -> Add Assets and enter the name/IP of the asset you want to add. On the agent run: yum -y install libevent-devel pcre2-devel openssl-develwget https://github.com/ossec/ossec-hids/archive/3.6.0.tar.gztar xzf… Continue reading →