How to add user and add SSH public key as authorized keys for account on Linux or…

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How to add user and add SSH public key as authorized keys for account on Linux or Unix server #sysadmin #devops 

How to upload ssh public key to as authorized_key using Ansible
Explains how to add a new user and their public ssh key to multiple Linux or Unix servers using Ansible devops tool.

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Having trouble with DNS records? dig, ping, named-checkzone and others commands are…

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Having trouble with DNS records? dig, ping, named-checkzone and others commands are great tools to debug your bind setup  

#Unix   #Linux   #Sysadmin   #IT   #FreeBSD  

How to: Troubleshoot UNIX / Linux BIND DNS server problems

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Networking & sysadmin geeks will find this interesting

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Networking & sysadmin geeks will find this interesting. #Sysadmin  

Mobile TCP optimization – lessons learned in production
I did a keynote presentation at the SIGCOMM’15 HotMiddlebox workshop, “Mobile TCP optimization – Lessons Learned in Production”. The title was set before I had any idea of what I’d really be talking about, just that it’d be about some of the stuff we’ve been working on at Teclo.

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Want to list the top 10 files eating disk space on a Linux/Unix/BSD/OSX oses? Tr…

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Want to list the top 10 files eating disk space on a Linux/Unix/BSD/OSX oses? Try:

find . -type f -exec wc -c {} ; | sort -nr | head 

See man pages find, sort, head, and xargs for more usage 🙂

#Sysadmin   #Server   #Disks   #Unix   #Linux  

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