just notes

Tag: quick-thoughts

  • virt-sparsify –inplace

    virt-sparsify –inplace

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/virt-sparsify Use to make a qcow2 disk remove empty space Make sure the guest is compatible, and shutdown, if the disk is for a vm. Windows should be by default. Check with this command, in cmd or PowerShell: from https://pve.proxmox.com/wiki/Shrink_Qcow2_Disk_Files#Windows_Guest_Preparation in the host The above example is a disk formatted with ntfs/fat etc.. Other helpful […]

  • bridge building

    upon the vlans that separate us

  • Capture a pcap from a router (Ubiquity EdgeX)

    Remote connection Perhaps you’ve used Wireshark to capture packets on your laptop, or pc. But what if you need to troubleshoot your router? A quick way to grap a dump, is a simple ssh/tcpdump combo. It’s easy to do, and can be done remotely. First, your router must accept ssh connections for this method. In […]