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Tag Archive: Linux


  • OCFS2 issues

    This morning I've had issues with my linickx.com cluster, the file system on both nodes went to read-only and I ended up in a world of pain.

    [root@georgia ~]# sudo /etc/init.d/httpd start
    Starting httpd: 
    [root@georgia ~]# tail -f /var/log/messages
    Jan  9 09:48 ...
  • PHP to solve problems

    PHP make you think of web app's right? ... well, did you know you can run it from the CLI to?

    Recently I've been doing a lot of spreadsheet and sub-netting type stuff, whilst doing this mundane work I've realised that I can get scripts to work for ...

  • F5 BigIP LTM VE works in Virtual Box

    Something I discovered ages ago (so long ago that my trial license expired) but forgot to post is that you can ...

  • CentOS/Redhat IPSEC and EC2

    So it turns out my 5 minute vpn doesn't work in EC2 because the ESP/AH protocols (50 and 51) are blocked on the AWS network.

    This is no big deal tho, as NAT-T allows one to tunnel IPSEC over UDP... however getting it to work on CentOS required ...

  • SELINUX and OSSEC IPTables error

    OSSEC is my favourite linux HIDS however now that I'm running a SELINUX secured web server I noticed that my active responses were not working after a reboot.

    After enabling SELINUX, I started getting alerts about the following problem in my messages file....

    Nov 11 12:16:22 amy ...

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