Difference between revisions of "OPS335 A2 Summer 2015 Tips"
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(→Backup Script) |
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Contents: | Contents: | ||
<pre> | <pre> | ||
| + | if [ $# -lt 2 ] | ||
| + | then | ||
| + | echo "Usage: backup.sh file-list file-type | ||
| + | exit 1 | ||
| + | fi | ||
filelist=$1 | filelist=$1 | ||
| − | tarball_file=$(date +%Y%M%D)- | + | type=$2 |
| + | tarball_file=$(date +%Y%M%D)-${type}.tar | ||
tar cvf ${tarball_file} -T ${filelist} | tar cvf ${tarball_file} -T ${filelist} | ||
| + | </pre> | ||
| + | |||
| + | To create a tar ball file on the Primary DNS server, you can run the following command: | ||
| + | |||
| + | <pre> | ||
| + | backup.sh pri-dns-file-list master | ||
</pre> | </pre> | ||
Latest revision as of 10:29, 7 August 2015
Contents
How to test your secondary DNS ?
test_items="scs.senecac.on.ca www.senecac.on.ca matrix.senecac.on.ca zenit.senecac.on.ca"
pri_dns_ip=142.204.33.53
sec_dns_ip=142.204.33.54
for test_item in $test_items
do
PRI_ANS=$(nslookup -query=A $test_item $pri_dns_ip | grep -v $pri_dns_ip | grep Address | awk '{print $2}')
#cho $PRI_ANS
SEC_ANS=$(nslookup -query=A $test_item $sec_dns_ip | grep -v $sec_dns_ip | grep Address | awk '{print $2}')
echo "Testing item: $test_item"
echo "Test Result from Primary DNS server: $pri_dns_ip -> $PRI_ANS"
echo "Test Result from Secondary DNS server: $sec_dns_ip -> $SEC_ANS"
[ "$SEC_ANS" = "$PRI_ANS" ] && echo match
done
How to create a tar ball file for a list of files from a text file?
Text file: pri-dns-file-list
/etc/named.conf /var/named/mydomain.db /var/named/myip-rev.db
Text file: sec-dns-file-list
/etc/named.conf
Text file: mas-nis-file-list
/etc/sysconfig/network /var/yp/Makefile /var/yp/nisdomain/*
Text file: sla-nis-file-list
/etc/sysconfig/network /var/yp/Makefile
Backup Script
Name: backup.sh
Contents:
if [ $# -lt 2 ]
then
echo "Usage: backup.sh file-list file-type
exit 1
fi
filelist=$1
type=$2
tarball_file=$(date +%Y%M%D)-${type}.tar
tar cvf ${tarball_file} -T ${filelist}
To create a tar ball file on the Primary DNS server, you can run the following command:
backup.sh pri-dns-file-list master
