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Linux: NIC Bonding Examples

The following example creates to Bonds. Bond0 is Active-Backup Bond1 uses VLAN tagging and LACP Kernel setup: modprobe kernel configuration /etc/modprobe.d/bonding1.conf alias netdev-bond1 bonding options bond1 miimon=100 mode=4 lacp_rate=1 Bond0: ifcfg-bond0 DEVICE=bond0 IPADDR=172.16.0.3 NETMASK=255.255.255.0 NETWORK=172.16.0.0 BROADCAST=172.16.0.255 ONBOOT=yes BOOTPROTO=none TYPE=Bond BONDING_MASTER=yes PREFIX=24 DEFROUTE=yes NAME=”Bond bond0″ BONDING_OPTS=”mode=active-backup miimon=0 arp_ip_target=172.16.0.1 arp_interval=1000″ LAST_CONNECT=1530826407 NM_CONTROLLED=no ifcfg-bond0_slave_1 DEVICE=em1 TYPE=Ethernet NAME=”System em1″

Linux: Finding HBAs driver version and wwpn

Pull Driver Version: # modinfo qla2xxx | grep version version: 9.00.00.00.40.0-k1 srcversion: 67989F13670BACC60C8CA47 vermagic: 4.1.12-124.17.1.el6uek.x86_64 SMP mod_unload modversions Pull WWPN: # more /sys/class/fc_host/host?/port_name :::::::::::::: /sys/class/fc_host/host1/port_name :::::::::::::: 0x2001000e1e024d24 :::::::::::::: /sys/class/fc_host/host2/port_name :::::::::::::: 0x2001000e1e024d7d

Linux: Raspberry PI – Chromium didn’t shut down correctly – How to fix

When using Chromium as a Kiosk it will not shutdown properly on reboot.  As a result it throws an error every time it restarts. Here is my fix(This assumes you are using pi as your auto login user): 1. mkdir /home/pi/scripts 2. nano /home/pi/scripts/chromiumcleanup 3. Add the following: #!/bin/bash /bin/sed -i ‘s/”exit_type”:”Crashed”/”exit_type”:”Normal”/’ ~/.config/chromium/Default/Preferences 4. ctrl

Linux: Remove the guest account in Ubuntu 16.04

The following command removes the guest account login option in Ubuntu 16.04 sudo sh -c ‘printf “[SeatDefaults]\nallow-guest=false\n” > /etc/lightdm/lightdm.conf.d/50-no-guest.conf’

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