notes/linux.txt at master · devopslab01/notes · GitHub

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STORAGE

// dd a remote disk using SSH

ssh user@remote "dd if=/dev/sda | gzip -1 -" | dd of=image.gz


--------------------------------------------------------------------------------
NETWORK

// Configure static IP addresses with NetPlan (networkd)

# vi /etc/netplan/01-netcfg.yaml


# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
 version: 2
 renderer: networkd
 ethernets:
   ens33:
     dhcp4: no
     dhcp6: no
     addresses: [192.168.200.201/24]
     gateway4: 192.168.200.11
     nameservers:
       addresses: [8.8.8.8, 8.8.4.4]
       search: [relab.lan]


# netplan apply


// Check internet speed via cli

curl -s \
  https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py \
  | python -