Debian – Bonding interfaces

To install: apt-get install ifenslave   To configure dynamically ip link add name bond0 type bond mode 802.3ad ip link set dev enxe8ea6a402b82 name eth0 ip link set dev enxe8ea6a402cb7 name eth1 ip link set dev eth0 master bond0 ip link set dev eth1 master bond0 ip link set dev eth0 up ip link set […]

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SSH Magic

ssh -L <ipaddres>:<portnumber>:<ipaddress remote server>:<portnumber> localhost example 1 (ssh server + webserver) ssh -L 10.0.0.1:2200:10.0.0.2:443 10.0.0.1 enter you credentials on the ssh server 10.0.0.1 On a client in the browser address bar enter 10.0.0.1:2200 you should see the same if you enter 10.0.0.2:443 Now with two ssh servers and a webserver ssh -L 10.0.0.1:2200:10.0.0.2:443 10.0.0.3 […]

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Debian – Exclude interfaces from Network Manager

sudo vi /etc/NetworkManager/NetworkManager.conf [main] plugins=ifupdown,keyfile [ifupdown] managed=false [keyfile] # In case of one interfaces – Name # unmanaged-devices=interface-name:eth0 # In case of one interfaces – Names # unmanaged-devices=interface-name:eth0; interface-name:eth1 # In case of one interfaces – MAC # unmanaged-devices=mac:2c:3b:70:d6:d8:7f # In case of multiple interfaces – MAC’s # unmanaged-devices=mac:2c:3b:70:d6:d8:7f;mac:e8:ea:6a:40:2c:b7;mac:e8:ea:6a:40:2b:82  

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Debian – Vlan’s

To install:  sudo apt install vlan To load: sudo modprobe 8021q To check: lsmod | grep 8021 To configure: sudo ip link add link eth0 name eth0.23 type vlan id 23 sudo ip address add 192.168.1.1 dev eth0.23 sudo link set up eth0.23   To configure persistent: sudo ‘echo “8021q” >> /etc/modules’ sudo vi /etc/network/interfaces […]

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