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| #!/bin/bash | |
| if [[ "$var" =~ ^-?[0-9]+$ ]];then | |
| echo "integer" | |
| else | |
| echo "not integer" | |
| fi |
stoyanovgeorge
/ ping_check.sh
Last active
August 20, 2018 10:46
Check whether a host is replying to ICMP requests or not. Usage: ./script.sh 192.168.1.1
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| #!/bin/bash | |
| # check if the $1 is empty | |
| if [[ -z "$1" ]];then | |
| printf "Please define the IP or the hostname which you want to check!\nUsage: ./script.sh 192.168.1.1\n" | |
| else | |
| if ping -c 1 "$1" &> /dev/null;then | |
| printf "%s is UP!\n" "$1" | |
| else | |
| printf "%s is DOWN!\n" "$1" |
stoyanovgeorge
/ random_number_range.sh
Last active
August 20, 2018 10:46
Bash script which generates random number in a range [0 : 500]
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| #!/bin/bash | |
| range=500 | |
| number=$RANDOM | |
| let "number %= $range" | |
| printf "Random number less than %s - %s\n" "$range" "$number" |
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