remove

#!/bin/bash

set -u

# Interfaces to skip
SKIP_REGEX='^(lo0|en0)$'

current_iface=""

ifconfig | while IFS= read -r line; do
    # Match interface header lines like: en1: flags=...
    if [[ "$line" =~ ^([a-zA-Z0-9]+):[[:space:]]flags= ]]; then
        current_iface="${BASH_REMATCH[1]}"

        if [[ "$current_iface" =~ $SKIP_REGEX ]]; then
            echo "Skipping $current_iface"
            current_iface=""
            continue
        fi

        echo
        echo "Processing interface: $current_iface"
        continue
    fi

    # If we're not currently processing an interface, skip
    [[ -z "$current_iface" ]] && continue

    # Match IPv6 address lines like:
    # inet6 fe80::b291:9b54:98f0:a23c%utun0 prefixlen 64 scopeid 0xd
    if [[ "$line" =~ ^[[:space:]]*inet6[[:space:]]+([^[:space:]]+) ]]; then
        ipv6="${BASH_REMATCH[1]}"
        echo "  Removing IPv6 $ipv6 from $current_iface"
        sudo ifconfig "$current_iface" inet6 "$ipv6" delete 2>/dev/null \
            || echo "  Failed to delete IPv6 $ipv6 on $current_iface"
    fi

    # Detect the end of an interface block by looking ahead implicitly:
    # when we hit a blank line, bring interface down
    if [[ -z "$line" ]]; then
        echo "  Bringing $current_iface down"
        sudo ifconfig "$current_iface" down 2>/dev/null \
            || echo "  Failed to bring $current_iface down"
        current_iface=""
    fi
done

# Second pass: make sure every non-skipped interface gets a down attempt,
# even if its block had no blank-line separator.
for iface in $(ifconfig -l); do
    if [[ "$iface" =~ $SKIP_REGEX ]]; then
        continue
    fi
    echo "Final down attempt on $iface"
    sudo ifconfig "$iface" down 2>/dev/null \
        || echo "Failed to bring $iface down"
done





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sudo ifconfig en0 inet6 fe80::1458:4d65:2b6f:c271%en0 delete

sudo networksetup -setv6off "Wi-Fi"


sudo wdutil info

sudo wdutil clean

sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist PrivateMACAddressModeSystemSetting -int 1

sudo wdutil privateMAC=1

sudo wdutil privateMAC=0

xcrun simctl list devices





networksetup -listlocations

sudo networksetup -createlocation "Network" populate

sudo networksetup -switchtolocation "Network"

sudo networksetup -deletelocation "Automatic"

scselect

networksetup -getinfo Wi-Fi

networksetup -listallhardwareports

networksetup -getairportnetwork en0

sudo networksetup -setairportpower en0 on

sudo wdutil diagnose

cd /private/var/tmp/

networksetup -listpreferredwirelessnetworks en0

networksetup -getairportnetwork en0

sudo networksetup -setairportnetwork en0 "ATTiepSY4I" "Badgers"



networksetup -listnetworkserviceorder

sudo networksetup -ordernetworkservices "Wi-Fi" "Thunderbolt Bridge"




sudo networksetup -setdhcp "Wi-Fi"

sudo networksetup -setmanual "Wi-Fi" 192.168.1.100 255.255.255.0 192.168.1.254

sudo networksetup -setv6automatic "Wi-Fi"




sudo networksetup -setwebproxy "Wi-Fi" 192.168.1.102 8080 
sudo networksetup -setsecurewebproxy "Wi-Fi" 192.168.1.102 8080
sudo networksetup -setsocksfirewallproxy "Wi-Fi" 192.168.1.102 8080

sudo networksetup -getwebproxy "Wi-Fi"
sudo networksetup -getsecurewebproxy "Wi-Fi"
sudo networksetup -getsocksfirewallproxy "Wi-Fi" 

sudo networksetup -setwebproxy "Wi-Fi" ""
sudo networksetup -setsecurewebproxy "Wi-Fi" "" 
sudo networksetup -setsocksfirewallproxy "Wi-Fi" ""


sudo networksetup -setwebproxystate Wi-Fi off
sudo networksetup -setsecurewebproxystate Wi-Fi off
sudo networksetup -setsocksfirewallproxystate "Wi-Fi" off



networksetup -setairportpower en0 off
networksetup -setairportpower en0 on


system_profiler SPAirPortDataType

log show --predicate 'eventMessage contains "airport"' --info



networksetup -setdnsservers Wi-Fi 172.64.36.1 172.64.36.2 2a06:98c1:54::18:83
networksetup -setdnsservers Wi-Fi Empty
networksetup -listallnetworkservices
networksetup -getdnsservers Wi-Fi


sudo /usr/libexec/ApplicationFirewall/socketfilterfw --list









sudo ifconfig bridge create
sudo ifconfig bridge1 addm en0
sudo ifconfig bridge1 inet 192.168.70.1/24 up






























sudo networksetup -setairportnetwork Wi-Fi "NewNetworkSSID" "password"

sudo networksetup -setairportnetwork en0 "NewNetworkSSID" password

sudo networksetup -setairportnetwork en0 "NewNetworkSSID" password



sudo networksetup -setmanual Wi-Fi 192.168.1.64 255.255.255.0 192.168.1.254

sudo networksetup -setmanual Wi-Fi 192.168.1.81 255.255.255.0 192.168.1.254


sudo networksetup -setdnsservers Wi-Fi 103.247.36.36 103.247.37.37

sudo networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4 2001:4860:4860::8888 2001:4860:4860::8844


sudo networksetup -setdnsservers Wi-Fi 172.64.36.1 172.64.36.2 2a06:98c1:54::18:83

networksetup -getinfo Wi-Fi

sudo networksetup -setdhcp Wi-Fi

sudo networksetup -removepreferredwirelessnetwork en0 ATTiepSY4I

sudo networksetup -setairportpower en0 off

sudo networksetup -setairportpower en0 on

sudo networksetup -setairportnetwork en0 ""



networksetup -createnetworkservice <newnetworkservicename> <hardwareport>

sudo networksetup -createnetworkservice Wi-Fi Wi-Fi

sudo networksetup -createnetworkservice "My Wi-Fi" Wi-Fi


networksetup -listnetworkserviceorder
networksetup -listallnetworkservices
networksetup -listallhardwareports
networksetup -detectnewhardware

ipconfig getifaddr en0





apropos ip

ifconfig en0 | grep flags

sudo ifconfig en0 -multicast

sudo ifconfig en0 multicast











networksetup -listallnetworkservices

networksetup -getinfo Wi-Fi

sudo networksetup -setv6off Wi-Fi

sudo networksetup -setv6automatic Wi-Fi

ifconfig | grep inet6

sudo networksetup -setnetworkserviceenabled Wi-Fi off

sudo networksetup -setnetworkserviceenabled Ethernet off

sudo networksetup -setnetworkserviceenabled Wi-Fi on

sudo networksetup -setnetworkserviceenabled Ethernet on

defaults read /Library/Preferences/SystemConfiguration/preferences.plist

defaults read /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist

sudo ifconfig en0 ifdisabled

sudo ifconfig en0 -ifdisabled



sudo arp -a -d
sudo ndp -a -f
sudo route flush
sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder
netstat -rn
sudo ipconfig set en0 DHCP



sudo ndp -f                                        # Flush NDP cache
sudo arp -a -d                                   # Flush ARP cache
sudo dscacheutil -flushcache          # Flush DNS cache
sudo killall -HUP mDNSResponder  # Flush mDNS cache
sudo route flush                                 # Flush routing cache
sudo ipconfig set en0 DHCP             # Flush DHCP cache

ifconfig en0 | grep flags

sudo ifconfig bridge0 flush


ifconfig | grep inet6 && ifconfig -a | grep inet6

sudo ifconfig en0 inet delete 143.244.220.150

sudo ifconfig en0 inet6 delete 2600:1700:c3e0:35e0:1438:e108:e186:249d
sudo ifconfig en0 inet6 delete 2600:1700:c3e0:35e0:713a:4b1d:2981:6b28
sudo ifconfig en0 inet6 delete 2600:1700:c3e0:35e0::49

sudo ifconfig en0 inet6 delete fe80::8b2:37ba:684:b060

sudo ifconfig lo0 inet6 delete ::1



sudo ifconfig en0 inet6 -autoconf
sudo ifconfig en0 inet6 autoconf

sudo ifconfig en0 inet6 -autoconf
sudo ifconfig awdl0 inet6 -autoconf
sudo ifconfig llw0 inet6 -autoconf
sudo ifconfig utun0 inet6 -autoconf
sudo ifconfig utun1 inet6 -autoconf
sudo ifconfig utun2 inet6 -autoconf
sudo ifconfig utun3 inet6 -autoconf


sudo ifconfig en0 down
sudo ifconfig en0 up

sudo ifconfig awdl0 down
sudo ifconfig awdl0 up

sudo ifconfig llw0 down
sudo ifconfig llw0 up

sudo ifconfig utun0 down
sudo ifconfig utun0 up

sudo ifconfig utun1 down
sudo ifconfig utun1 up

sudo ifconfig utun2 down
sudo ifconfig utun2 up

sudo ifconfig utun3 down
sudo ifconfig utun3 up

route -n get default

sudo route flush
sudo route flush -inet
sudo route flush -inet6

netstat -rn

ipconfig getifaddr en0

networksetup -getairportpower en0

networksetup -setairportpower <device name> <on off>


sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.wifi.airport.p2p.plist Disabled -bool YES

sudo ifconfig awdl0 down

sudo ifconfig llw0 down



networksetup -setnetworkserviceenabled "Wi-Fi" off

networksetup -setnetworkserviceenabled "Wi-Fi" on

networksetup -listallhardwareports




sudo rm -f /Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
sudo rm -f /Library/Preferences/SystemConfiguration/com.apple.network.identification.plist
sudo rm -f /Library/Preferences/SystemConfiguration/com.apple.wifi.message-tracer.plist
sudo rm -f /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist
sudo rm -f /Library/Preferences/SystemConfiguration/preferences.plist


sudo diskutil resetUserPermissions / `id -u`

man diskutil | grep -i reset



defaults write com.apple.Finder AppleShowAllFiles YES

killall Finder 


































for iface in $(ifconfig -l); do
    ifconfig $iface inet6 | awk '/inet6 / {print $2}' | xargs -I {} sudo ifconfig $iface inet6 delete {};
done




sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -deactivate  

sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -stop 


sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -help



codesign -dv -vvv /Applications/Firefox.app