Starting: 1st of Every Month 
+91 8409492687 
Contact@DevOpsSchool.com
Write a Shell Bash Script for gather information related to server
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| IP4FW=/sbin/iptables | |
| IP6FW=/sbin/ip6tables | |
| LSPCI=/usr/bin/lspci | |
| ROUTE=/sbin/route | |
| NETSTAT=/bin/netstat | |
| LSB=/usr/bin/lsb_release | |
| ## files ## | |
| DNSCLIENT="/etc/resolv.conf" | |
| DRVCONF="/etc/modprobe.conf" | |
| NETALIASCFC="/etc/sysconfig/network-scripts/ifcfg-eth?-range?" | |
| NETCFC="/etc/sysconfig/network-scripts/ifcfg-eth?" | |
| NETSTATICROUTECFC="/etc/sysconfig/network-scripts/route-eth?" | |
| SYSCTL="/etc/sysctl.conf" | |
| ## Output file ## | |
| OUTPUT="network.$(date +'%d-%m-%y').info.txt" | |
| ## Email info to?? ## | |
| SUPPORT_ID="your_name@service_provider.com" | |
| chk_root() { | |
| local meid=$(id -u) | |
| if [ $meid -ne 0 ]; then | |
| echo "You must be root user to run this tool" | |
| exit 999 | |
| fi | |
| } | |
| write_header() { | |
| echo "---------------------------------------------------" >>$OUTPUT | |
| echo "$@" >>$OUTPUT | |
| echo "---------------------------------------------------" >>$OUTPUT | |
| } | |
| dump_info() { | |
| echo "* Hostname: $(hostname)" >$OUTPUT | |
| echo "* Run date and time: $(date)" >>$OUTPUT | |
| write_header "Linux Distro" | |
| echo "Linux kernel: $(uname -mrs)" >>$OUTPUT | |
| $LSB -a >>$OUTPUT | |
| [ -x ${HWINF} ] && write_header "${HWINF}" | |
| [ -x ${HWINF} ] && ${HWINF} >>$OUTPUT | |
| [ -x ${HWINF} ] && write_header "${HWINF}" | |
| [ -x ${HWINF} ] && ${HWINF} >>$OUTPUT | |
| write_header "PCI Devices" | |
| ${LSPCI} -v >>$OUTPUT | |
| write_header "$IFCFG Output" | |
| $IFCFG >>$OUTPUT | |
| write_header "Kernel Routing Table" | |
| $ROUTE -n >>$OUTPUT | |
| write_header "Network Card Drivers Configuration $DRVCONF" | |
| [ -f $DRVCONF ] && grep eth $DRVCONF >>$OUTPUT || echo "Error $DRVCONF file not found." >>$OUTPUT | |
| write_header "DNS Client $DNSCLIENT Configuration" | |
| [ -f $DNSCLIENT ] && cat $DNSCLIENT >>$OUTPUT || echo "Error $DNSCLIENT file not found." >>$OUTPUT | |
| write_header "Network Configuration File" | |
| for f in $NETCFC; do | |
| if [ -f $f ]; then | |
| echo "** $f **" >>$OUTPUT | |
| cat $f >>$OUTPUT | |
| else | |
| echo "Error $f not found." >>$OUTPUT | |
| fi | |
| done | |
| write_header "Network Aliase File" | |
| for f in $NETALIASCFC; do | |
| if [ -f $f ]; then | |
| echo "** $f **" >>$OUTPUT | |
| cat $f >>$OUTPUT | |
| else | |
| echo "Error $f not found." >>$OUTPUT | |
| fi | |
| done | |
| write_header "Network Static Routing Configuration" | |
| for f in $NETSTATICROUTECFC; do | |
| if [ -f $f ]; then | |
| echo "** $f **" >>$OUTPUT | |
| cat $f >>$OUTPUT | |
| else | |
| echo "Error $f not found." >>$OUTPUT | |
| fi | |
| done | |
| write_header "IP4 Firewall Configuration" | |
| $IP4FW -L -n >>$OUTPUT | |
| write_header "IP6 Firewall Configuration" | |
| $IP6FW -L -n >>$OUTPUT | |
| write_header "Network Stats" | |
| $NETSTAT -s >>$OUTPUT | |
| write_header "Network Tweaks via $SYSCTL" | |
| [ -f $SYSCTL ] && cat $SYSCTL >>$OUTPUT || echo "Error $SYSCTL not found." >>$OUTPUT | |
| echo "The Network Configuration Info Written To $OUTPUT. Please email this file to $SUPPORT_ID." | |
| } | |
| chk_root | |
| dump_info |
by 
I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I am working at Cotocus. I blog tech insights at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at I reviewed , and SEO strategies at Wizbrand.
Please find my social handles as below;
Rajesh Kumar Personal Website
Rajesh Kumar at YOUTUBE
Rajesh Kumar at INSTAGRAM
Rajesh Kumar at X
Rajesh Kumar at FACEBOOK
Rajesh Kumar at LINKEDIN
Rajesh Kumar at PINTEREST
Rajesh Kumar at QUORA
Rajesh Kumar at WIZBRAND
