Network is already in use by interface Threw me for a minute. The issue was that an IP address specified in the Vagrant file was in use by the host i was using. Changed the IP's in the vagrant file.. Problem solved 1==> worker1: An error occurred. The error will be shown after all tasks complete. 2An error occurred …

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#Metadata agent Running the agent 1neutron-ovn-metadata-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/neutron_ovn_metadata_agent.ini Configure neutron_ovn_metadata_agent.ini.j2 on the compute node(s) 1[ovn] 2ovn_nb_connection=tcp:{{OVN Controller IP}}:6641 3ovn_sb_connection=tcp:{{OVN …

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Snap \ Apparmour aaagh 1sudo snap connect mysql-workbench-community:password-manager-service :password-manager-service

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1dbus-monitor --session "type=signal,interface=org.gnome.ScreenSaver" | 2while read MSG; do 3LOCK_STAT=`echo $MSG | grep boolean | awk '{print $2}'` 4if [[ "$LOCK_STAT" == "true" ]]; then 5echo "was locked" 6killall ethdcrminer64 7screen -d -m …

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I need to add a /30 IP to every interface on a switch to enable host based routing in a virtualization cluster. I'm lazy and didn't want to key them all in by hand. So I wrote this script in Pyhton3 It uses a starting interface ID(Assuming that all of the interfaces on your switch are in numerical order) and it uses a …

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I always forget how to mount the subfolder of a CephFS filesystem sudo ceph-fuse -m 192.168.2.9:6789 -r /subfolder /folder/on/my/machine Note: The proceeding / after the -r is important Some great info here on restricting access to specific folders and more notes on mounting …

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Nmap Scan subnet for PTR's When you need to scan an entire subnet for 'research purposes' and check for any associated PTR's we can use Nmap   nmap -R -sL 103.112.200.0/22 > results.txt

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I use this script on my CA server to create a certificate for each new server we provision. This allows our internal PKI to function. This script creates a certificate then copies it to the Ansible server where is can be deployed to the destination host Obviously you'll need to take the necessary precautions around key …

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Example 1 - Includes some static routes and manually specified IP's auto lo iface lo inet static address 103.90.59.9/32 auto ens3 iface ens3 inet static address 172.2.1.17 network 172.2.1.0 netmask 255.255.254.0 up route add -net 172.2.0.0 netmask 255.255.0.0 gw 172.2.1.1 up route add -net 172.2.0.0 netmask 255.255.0.0 …

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Using Ubuntu 18 and tools like glances and iftop would often mangle the output Changing the default Puttty settings 'Connection > Data > 'Terminal-type string' to 'putty' instead of 'xterm' and setting your PuTTY settings under Translation and ensure that you have UTF-8 set as the character set then save this as …

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