Category Archives: Linux Maintenance

By December 31, 2017

Install Cinnamon In CentOS The instructions below assume that you installed Centos minimal without the X windows system. If you already have Gnome running , you can just install the epel repo and then yum install cinnamon. While there are many different graphical user interfaces available for Linux, in this example we will be using


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By December 31, 2017

Debian Distro upgrade. For this example we are upgrading from jessie to stretch A) # apt-get update # apt-get upgrade # apt-get dist-upgrade sed -i ‘s/jessie/stretch/g’ /etc/apt/sources.list B) # apt-get update (if you receive a error similar to E: Release file expired. run apt-get -o Acquire::Check-Valid-Until=false update ) # apt-get upgrade # apt-get dist-upgrade C)


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By November 16, 2017

Block an IP iptables -I INPUT -s 43.229.53.37 -j DROP After rebooting the server we notice the rules are removed. It’s best to save your configs and restore them after a reboot. iptables-save > /etc/iptables/rules iptables-restore < /etc/iptables/rules flush all rules iptables -F flush rules in the input chain iptables -F INPUT iptables -L –line-numbers


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By November 09, 2017

Error: The application launcher *.desktop has not been marked as trusted. If you do not know the source of this file, launching it may be unsafe. Then there is no other options available to you. I found this to be a permission issue if you downloaded the application as root. The app group will need


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By November 04, 2017

https://www.unixmen.com/install-nvidia-drivers-fedora-24/ testing this on fedora 26 https://www.youtube.com/watch?v=oTUMO7gHmXg https://rpmfusion.org/Howto/NVIDIA


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