February 3rd, 2010
Install hearbeat
then create files “haresources” ,”/etc/ha.d/ha.cf”,
### My configuration file *****
# haresources
[root@druid ha.d]# pwd
/etc/ha.d
[root@druid ha.d]# cat haresources
druid 192.168.21.84 asterisk
[root@druid ha.d]#
// ie ‘hostname of primary server ‘ ‘floating IP address’ ‘names of service to be executed during failover
*** ha.cf ******
debugfile /var/log/ha- debug
logfile /var/log/ha- log
keepalive 2
deadtime 10
bcast eth0
node druid elastix
auto_failback off
############ ######### #####
***** /etc/hosts ********
cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdoma in localhost
127.0.0.1 asterisk
192.168.21.158 druid druid
192.168.21.156 elastik elastik
Tags: clustering, HA, HighAvalablity
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February 3rd, 2010
To setup user “joseph” as sudo user
echo ‘joseph ALL=(ALL) ALL’ >> /etc/sudoers
This will prompt for password , If u do not want it to prompt U need to make entry as
echo ‘joseph ALL=(ALL) NOPASSWD:ALL’ >> /etc/sudoers
To setup user “joseph” as sudo user
echo ‘joseph ALL=(ALL) ALL’ >> /etc/sudoers
This will prompt for password , If u do not want it to prompt U need to make entry as
echo ‘joseph ALL=(ALL) NOPASSWD:ALL’ >> /etc/sudoers
Tags: CentOS, fedora, RHEL
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February 3rd, 2010
ps -eaf|cut -d f2|tr -s ” “|kill
Tags: shell-script, systemadmin
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February 3rd, 2010
On Fedora /CentOS /RHEL
Edit “/etc/modprobe.conf”
and add the follwing lines
“alias net-pf-10 off”
For Ubuntu
By default it is enables and in the file
“/etc/modprobe.d/aliases” it is given as
alias net-pf-10 ipv6
edit the aboce line back to
alias net-pf-10 off
On Fedora /CentOS /RHELEdit “/etc/modprobe.conf”and add the follwing lines”alias net-pf-10 off”
For Ubuntu
By default it is enables and in the file ”/etc/modprobe.d/aliases” it is given as
alias net-pf-10 ipv6
edit the aboce line back to alias net-pf-10 off
Tags: fedora, ubuntu
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February 3rd, 2010
1> Download the font from http://www.manoramaonline.com/mmfont/Manorama.ttf
2> In the user home dir create a dir named “.fonts”
3> copy the Manorama.ttf to /usr/share/fonts/
The font will be installed once you reboot. But if you don’t want to do that open your terminal.
To read deepika
1> Download the font from http://www.deepika.com/mlkr0ntt_TTF.ttf
2> Save it to /usr/share/fonts/
The font will be installed once you reboot. But if you don’t want to do that open your terminal.
1> Download the font from http://www.manoramaonline.com/mmfont/Manorama.ttf2> In the user home dir create a dir named “.fonts” 3> copy the Manorama.ttf to /usr/share/fonts/ The font will be installed once you reboot. But if you don’t want to do that open your terminal.
To read deepika 1> Download the font from http://www.deepika.com/mlkr0ntt_TTF.ttf2> Save it to /usr/share/fonts/The font will be installed once you reboot. But if you don’t want to do that open your terminal.
Tags: fonts
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February 3rd, 2010
cat sajifile.txt | cut -c 5-10
cat <filename> | cut -c 5 -20
Tags: command, editing
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