[linux]rescan the hard drive after your vm got an expanded storage

The Tufin securechange vm got an expanded storage of 1TB more, however I cannot see it immediately with the fdisk -l command. I need to rescan it using echo "1" > /sys/class/block/sda/device/rescan, then do fdisk -l, you will see the /dev/sda with the full disk (after expanded). It works immediately..

Installing netstat on Centos 7 minimal installation

Update 9th of January 2020 This post was written many years ago, when I was installing CentOS minimal, after several years I am surprised that this post is still being viewed. As recommended below in the comments, there is no need to use net-tools anymore, this package has already been deprecated although still exists in … Continue reading Installing netstat on Centos 7 minimal installation

Disable SELinux

There are times when disabling SELinux is required for some webapp to work. You can modify the SELinux from /etc/selinux/config Modifying the config file will make SELinux to be enabled (default), permissive or disabled upon boot up. To temporarily disable SELinux use setenforce 0 command.

Building an IDS : installing snorby, suricata and barnyard2

Reference 1: https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Suricata_Snorby_and_Barnyard2_set_up_guide Reference 2: http://www.aldeid.com/wiki/Suricata/Setting-up-rules Reference 3: https://www.corelan.be/index.php/2011/02/27/cheat-sheet-installing-snorby-2-2-with-apache2-and-suricata-with-barnyard2-on-ubuntu-10-x/ Reference 4: https://github.com/Snorby/snorby/issues/102#issuecomment-1704653 Reference 5: http://www.aldeid.com/wiki/Snorby Disclaimer I claimed no credits for this post, this post is for my own personal reference while installing the components onto the Ubuntu Server 12.04 LTS. No plagiarism is intended! All setup credits go to References above. Please follow the … Continue reading Building an IDS : installing snorby, suricata and barnyard2

libmysqlclient.* not found

I have encountered a problem while configure barnyard2 with mysql on unbuntu server 12.04, it turns out that the package libmysqlclient16-dev was deleted from the repository, if you need to get the package you need to add the repo into your sources.list. Without this package you cannot configure barnyard2 that uses the libmysqlclient16-dev library file. … Continue reading libmysqlclient.* not found