How to Get the Last Requests to Apache2 Server?
The apache server logs the access requests in /var/log/apache2 so we can analyse this log file to find out the last few requests. The following parses the apache2 server …
Category: AWK programming
BASH Function to Get Memory Information via AWK
On Linux, we can cat the file “/proc/meminfo” to display memory related information: $ cat /proc/memoinfo MemTotal: 32939372 kB MemFree: 31155452 kB MemAvailable: 31269760 kB Buffers: 242964 kB Cached: …
A Simple Function to Perform Integer/Float Arithmetic Calculation via AWK
The inbuilt BASH does not support floating point arithmetic calculations but we can easily declare a function to do so via AWK. #!/bin/bash # calc.sh function calc() { awk …
BASH Script to Compute the Average Ping to a Domain
The following BASH script uses the ping command and computes the average PING to a domain via awk text processing. #!/bin/bash if ]; then echo Usage: $0 domain exit …
Alarming on High Disk Usage using BASH + AWK + Crontab Job
April 24, 2021
AWK, awk, AWK programming, BASH, bash script, BASH Shell, batch script, linux, Shell Scripts, ubuntu
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Disk high usage are one of the common cause of server down. Some administrators would create a 8GB empty file, and once the disk usage is exceeding a threshold, …
