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Added subnet table lookup

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Phil 2023-09-02 22:54:39 +01:00
parent 9421baea5f
commit 9425523ea1
1 changed files with 35 additions and 0 deletions
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35
.aliases
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@ -385,6 +385,41 @@ echo "Unleaded - $costco_unleaded p"
alias fr24feed="curl --http0.9 192.168.10.21:30003 --output -"
alias fr24feed-dump1090="sh -c 'dump1090-mutability --net --net-only --net-bi-port 30004 --interactive & nc 192.168.10.21 30005 | nc 127.0.0.1 30004'
"
## Subnet Table
function subnet-table() {
echo " --------------------------------------------------------------------------"
echo "| Bit Length | Max Hosts | Subnet Mask | Binary Mask | Mask Length |"
echo "--------------------------------------------------------------------------"
echo "| 0 | 1 | 255.255.255.255 | 11111111 | 32 |"
echo "| 0 | 2 | 255.255.255.254 | 11111110 | 31 |"
echo "| 0 | 4 | 255.255.255.252 | 11111100 | 30 |"
echo "| 0 | 8 | 255.255.255.248 | 11111000 | 29 |"
echo "| 0 | 16 | 255.255.255.240 | 11110000 | 28 |"
echo "| 0 | 32 | 255.255.255.224 | 11100000 | 27 |"
echo "| 0 | 64 | 255.255.255.192 | 11000000 | 26 |"
echo "| 0 | 128 | 255.255.255.128 | 10000000 | 25 |"
echo "| 0 | 256 | 255.255.255.0 | 11111111 | 24 |"
echo "| 0 | 512 | 255.255.254.0 | 11111110 | 23 |"
echo "| 0 | 1024 | 255.255.252.0 | 11111100 | 22 |"
echo "| 0 | 2048 | 255.255.248.0 | 11111000 | 21 |"
echo "| 0 | 4096 | 255.255.240.0 | 11110000 | 20 |"
echo "| 0 | 8192 | 255.255.224.0 | 11100000 | 19 |"
echo "| 0 | 16384 | 255.255.192.0 | 11000000 | 18 |"
echo "| 0 | 32768 | 255.255.128.0 | 10000000 | 17 |"
echo "| 0 | 65536 | 255.255.0.0 | 11111111 | 16 |"
echo "| 0 | 131072 | 255.255.0.0 | 11111110 | 15 |"
echo "| 0 | 262144 | 255.254.0.0 | 11111100 | 14 |"
echo "| 0 | 524288 | 255.252.0.0 | 11111000 | 13 |"
echo "| 0 | 1048576 | 255.240.0.0 | 11110000 | 12 |"
echo "| 0 | 2097152 | 255.224.0.0 | 11100000 | 11 |"
echo "| 0 | 4194304 | 255.192.0.0 | 11000000 | 10 |"
echo "| 0 | 8388608 | 255.128.0.0 | 10000000 | 9 |"
echo "| 0 | 16777216| 255.0.0.0 | 11111111 | 8 |"
echo "--------------------------------------------------------------------------"
}
## Display all commands in this Alias file
alias my-alias="cat ~/.aliases | grep -oP 'alias\s\K[^=]+' | sort -n"