fallocate -l 4G /swapfilechmod 600 /swapfilemkswap /swapfileswapon /swapfile If RAM = 4GBUse swap = 4GB–8GB If RAM = 8GBSwap = 2GB–4GB is fine
Step 1 – Install the QEMU Guest Agent inside Debian sudo apt updatesudo apt install qemu-guest-agent -y Step 2 – Enable and Start the Service sudo systemctl enable qemu-guest-agentsudo systemctl start qemu-guest-agent Check its running sudo systemctl status qemu-guest-agent Step 3 – Enable the Guest Agent in Proxmox Now switch […]
Set up a virtual IP on proxmox cluster apt updateapt install keepalived -y nano /etc/keepalived/keepalived.conf run this on all nodes on the master node add this to the keepalived.conf vrrp_instance VI_1 {state MASTERinterface vmbr0virtual_router_id 51priority 150advert_int 1 } on the slave nodes add this to keepalived.conf vrrp_instance VI_1 {state BACKUPinterface […]
From a Windows powershell terminal in the above just change name/ip-here to the name or ip of what you are testing then change port-number-here to the port number you need to check. Test-NetConnection -ComputerName 8.8.8.8 -Port 53 The above example is checking if TCP/IP port 53 (DNS) is open on […]
Commands DOWNDown means down, it does not mean down then go do something else, there should be no need to use Stay or Wait when in a down. SITAs above Sit means Sit, no exceptions! OUTWhatever you have in your mouth, release it and get it out. LEAVEThis tells your […]
This is a simple and crude method to disable an interface based on the volume of data that has gone through it. In the below example we will be using the rx bytes on ether4 In the example above the above script is scheduled to run every 5 mins, if […]
Below is a simple example of how to use QOS for VOIP in ROS /ip firewall mangleadd action=mark-connection chain=prerouting comment=\“Mark Voip Connections SRC” new-connection-mark=voip_connections \passthrough=yes src-address-list=voipadd action=mark-connection chain=prerouting comment=\“Mark Voip Connections DST” dst-address-list=voip new-connection-mark=\voip_connections passthrough=yesadd action=mark-packet chain=prerouting comment=”Mark Voip Packets SRC” \connection-mark=voip_connections new-packet-mark=voip_packets \passthrough=no src-address-list=voipadd action=mark-packet chain=prerouting comment=”Mark Voip Packets […]
This adjusts the number of days to keep quarantined email etc/MailScanner/defaults /var/www/mailscanner/conf.php days to keep need to be edited in both the above files