The following is the way to perform cold KVM migration. A cold migration involves shutting down the guest server during the migration. Generally speaking, to move KVM VM, you need to copy all the VM data from the source host … Continue reading →
Update – I installed fedora 41 and my original fix below did not work any more New fix firewall-cmd –permanent –new-policy tftp-client-data firewall-cmd –permanent –policy tftp-client-data –add-ingress-zone HOST firewall-cmd –permanent –policy tftp-client-data –add-egress-zone ANY firewall-cmd –permanent –policy tftp-client-data –add-service tftp … Continue reading →
I have several Nagios web sites I monitor. Problem is you open multiple tabs in firefox and all you see is the Nagios icon and the word “Nagios” so I cant tell which tab is for which server. So I … Continue reading →
First, we need to identify the id of the ports we want to monitor. On the console of the machine you are running nagios, execute the following commands snmpwalk -v 1 -c MySNMPCommunity my.switch.ip.address ifDescr you will get something like … Continue reading →
I did a “dnf update” on a Fedora 38 and after rebooting executing “virsh list –all” I got: Id Name State ————————- I tried running virt-manager and it had problems connecting – it would list my virtual machines, then disconnect … Continue reading →
You are running a linux system in text mode. You are using either Physical monitor and keybord Remote access console (example: Dell iDRAC) A Virtualized Console on qemu In any of the above applications – due to the monitor size … Continue reading →
You type in date on your linx box and you get Tue Sep 5 5:08:49 PM CDT 2023 but you want it to read Tue Sep 5 17:08:49 CDT 2023 To make that happen execute localectl set-locale LC_TIME=”C.UTF-8″ Log off, … Continue reading →
I have a system that runs in a environment that tends to be on the warm side. If the processor starts running at 3Ghz or higher, the processor starts some serious overheating. Applications I have running on this system do … Continue reading →
backup settings on a debian based unifi controller are saved in /var/lib/unifi/backup/autobackup
Continue reading →You find the following line in your messages file imjournal: filecreatemode is not set, using default 0644 This is not a critical error. To eliminate this message edit /etc/rsyslog.conf and find the line module(load=”imjournal” fileCreateMode=”644″ StateFile=”imjournal.state”) note it might be … Continue reading →