Thursday, September 28, 2017

quick refresher from anyone who maintains Linux systems

#linux quick refresher from anyone who maintains Linux systems #document http://bit.ly/2ftqnfK
  • RCS is your friend, use it religiously on every system file you modify.
  • My 20¢, https://plus.google.com/u/0/111725158664981767583
    • once u've settled up
    • setup a rsyslog server.
    • Monitoring server (zabix, cacti, et al).
    • Backup and update really often (specially if ur servers are internet-facing).
    • Don't install apache and mysql on the same server.
    • Only use https.
    • Use containers (lxc, docker) when possible.
    • Avoid using any .tar or .gz to install software, always use repositories or git.
    • Never, never, never disable iptables or selinux (rh/centos).
    • Always use fail2ban and mod_secure (if using a webserver).
    • Cheers!
    • assuming you maintain the hardware, tools to monitor hardware state. power supplies and hard drives are the most common issues in my environments that need watching. @ my last job, network team would introduce problems, so I also needed to check the status of my network bonds.

    • Hardware or virtual, firewall and audit logs are mandatory for examining. Keep up on vendor updates (CERT vulnerability lists are also good).
    • Log files. Depending on what services you are running, you’ll need to setup a log rotation right quick or you can run your /var partition out of space.
    • nothing. what you need is monitoring setup and logwatch installed. read those emails, look at the monitoring system, login every once in a while, check who is logged in, running processes, network connections, free disk and memory, top.
    • I really like having a CAS & PDU set up for remote control of everything without using ipmi.

    • That all said, I have a set of cronjobs I run nightly or weekly to keep me informed. On various critical stuff I run nagios on assorted services.

    • A bit old school but it works for me.

    • I also have assorted scripts, for example an ansible script that goes through and updates/patches security in all of my servers (some 300 odd).
    • Largely just SSH with private keys, and ensuring that updates are regularly installed.

    • You can always write a simple program to get whatever stats are most important to you from the machines. Usually never amounts to more than just getting a history of memory, CPU, disk and network activity.

Tuesday, September 26, 2017

#event Tue-Wed Sep 26-27 2017 #StructureSecurity 2017

    Wednesday, September 20, 2017

    some DevOps Reading material


    Thursday, September 14, 2017

    Asian salad recipe, protein and vegetables

    Asian salad recipe, protein and vegetables
    • Choice of protein: Tempeh/Tofu, lean pork, chicken, or beef.
    • Persian or hot-house cucumber
    • bean sprouts (mung or soy)
    • Jalapeno
    • sesame oil
    • Peanuts
    • sunflower seeds
    • Thai peanut salad dressing (or dressing of your choice, e.g. sesame ginger)
    • (optional) Napa cabbage

    Prepare/cook your choice of protein. Chop/slice cucumber, celery, and Jalapeno. Rinse bean sprouts. Brown peanuts and sunflower seeds in sesame oil.  Combine. Add dressing.

    • Asian Salad http://www.foodnetwork.com/recipes/food-network-kitchen/asian-salad-recipe-2105407 











    Monday, August 21, 2017

    now all I need is N20 nitrogen cartridges | How to make Nitro coffee


    A post shared by Eric Herberholz (@erich13) on

    Friday, June 30, 2017

    I seem to be stuck in limbo

    JCB Fastrac 155-65 side
    JCB Fastrac 155-65 side (Photo credit: Wikipedia)
    Me: I seem to be stuck in limbo. I thought I had the Free plan, but am
    being told that I owe $199.88, so how may I get past this, so that I
    may use Hootsuite?
    Denea:
    Hi Eric! Denea from the Hootsuite customer advocate team here. I am
    happy to help with this!
    Could you please confirm your Hootsuite account email address so I can
    best assist today?
    Me: Deleted
    Denea: Thank you! One moment while I bring up your account.
    Thanks for waiting, Eric! Taking a look at your account, I see that is
    was automatically downgraded to Free 3/13/2017 following a non
    payment. I can assist you with correcting this.
    You wish to be on the Free plan moving forward and not Pro, is that correct?
    Me: yes!
    thanks!
    Denea: You're welcome! I'll just be a few moments to make those
    changes and I'll be back to confirm with you.
    Me: ok
    Denea: Thanks for waiting, Eric! I've removed that pending bill to
    ensure you will not be charged. if you are logged into the account at
    this time, could I ask you to please complete the downgrade to the
    Free plan using these steps here: downgrade
    If you encounter any issues or are not logged in at the moment, let me
    know and I am happy to help!
    Me: Is there supposed to be a link for "down-grade"?
    Denea: Oh my apologies! help.hootsuite.com/hc/en-us/ar...
    Looks like I need another cup of coffee this morning
    Me: Yes, coffee is important!
    Denea:
    Me: Done. I'm back to being able to use the free version. Thanks!
    Denea: You're very welcome Eric! Yes I can confirm your account is now
    on our Free plan.
    You will also receive an emailed copy of this chat transcript for your
    reference. If you have any questions, please feel free to reply to
    that email to notify me and I'd be happy to assist further. Have a
    great day!
    Me: I've already saved a copy of this chat session, because you have
    provided awesome help, and I may blog about it.
    Denea: You've made my day, Eric! So glad I could help today

    Me: Enjoy the rest of your day. Did you know Laura Hovak (sp) when she worked there?
    Denea: I don't believe I did, the name doesn't ring a bell. She must have departed before I came on board.
    Me: She as a/the community manager
    She was
    https://www.linkedin.com/in/laurahorak/
    Denea: Ah, I missed her by about a year unfortunately!
    ...
    Denea: I wish I knew her so I could put you in touch!
    Bye Eric, you're very welcome! Take care.
    Thank you for contacting us.
    Chat session disconnected.

    Friday, October 17, 2014

    Arianna Huffington #dreamforce

     

    erich13
     · Dreamforce Moscone Center
    Arianna Huffington #dreamforce
    erich13 likes this.
     
    erich13Volunteering, Well being, wisdom, wonder, and put on a oxygen mask first
     
    erich13Be aware. Avoid burnout
     
    erich13Creativity comes to those who meditate
     
    erich13Giving
     
    erich13Predict the future
     
    erich13Learn to reconnect to your center
     
    erich13Modern science confirms ancient wisdom
     
    erich13Reminds me of steampunk: ancient future
     
    erich13Reimagine our selves with technology
     
    erich13Reimagine our lives
     
    erich13Send your stories to Ariana at huffingtonpost.com
     
    erich13Reimagine our ourselves as go givers

    Arianna Huffington #dreamforce

     

    erich13
     · Dreamforce Moscone Center
    Arianna Huffington #dreamforce
    erich13 likes this.
     
    erich13Volunteering, Well being, wisdom, wonder, and put on a oxygen mask first
     
    erich13Be aware. Avoid burnout
     
    erich13Creativity comes to those who meditate
     
    erich13Giving
     
    erich13Predict the future
     
    erich13Learn to reconnect to your center
     
    erich13Modern science confirms ancient wisdom
     
    erich13Reminds me of steampunk: ancient future
     
    erich13Reimagine our selves with technology
     
    erich13Reimagine our lives
     
    erich13Send your stories to Ariana at huffingtonpost.com
     
    erich13Reimagine our ourselves as go givers