Latest Event Updates

Import certificate and key into jks

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1. First create a p12 file and import both the certificate and key into it using openssl.

openssl pkcs12 -export -name theg -in /etc/ssl/certs/theg.crt -inkey /etc/ssl/private/theg.key -out theg.p12

2.Convert the p12 format into jks format using keytool :

keytool -importkeystore -destkeystore theg.jks -srckeystore theg.p12 -srcstoretype pkcs12 -alias theg

Note : Here I used the name theg for my certificates and alias, change it accordingly.

Set environment variable in ubuntu

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Add the required path in /etc/environment
update it using
source /etc/environment

Change the email notification subject for the MySQL ZRM report

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Normally MySQL ZRM backup results are sent out in the form

[ZRM for MySQL Report] ERROR during backup of backup-set Domain_name

. If you want to customize the subject line, edit the following file and edit accordingly.

 vi /usr/bin/mysql-zrm-backup 

Search and find the subject line and edit accordingly.

Check the email password in plesk

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You can use the below command to see all the email address and its passwords :

/usr/local/psa/admin/sbin/mail_auth_view

Guitar

How to validate IP address in bash

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#Validating IP addess
if [[ "$ip_server" =~ ^([0-9]{1,3})[.]([0-9]{1,3})[.]([0-9]{1,3})[.]([0-9]{1,3})$ ]]
then
    for (( i=1; i<${#BASH_REMATCH[@]}; ++i ))
    do
      (( ${BASH_REMATCH[$i]} &2; exit 1; }
    done
else
      echo "Check the IP address" >&2
      exit 1;
fi

Plugin ‘InnoDB’ registration as a STORAGE ENGINE failed.

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I got the below error while restarting mysql service after updating the my.cnf file :

 [ERROR] Plugin ‘InnoDB’ init function returned error.
 [ERROR] Plugin ‘InnoDB’ registration as a STORAGE ENGINE failed.
 [ERROR] Unknown/unsupported storage engine: INNODB
 [ERROR] Aborting 

Just followed the below steps to resolve the issue :

cd /var/lib/mysql
mv ibdata1 ib_logfile0 ib_logfile1 /tmp/

Note that my datadir was /var/lib/mysql. Change the location accordingly.

service mysqld restart

[root@theg-01 mysql]# service mysqld restart
Stopping mysqld:                                           [  OK  ]
Starting mysqld:                                           [  OK  ]

Thats it :)

Install Skype in Ubuntu 14.04

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A new update of Skype version (Skype 4.2) is available for Ubuntu distributions. Use the below method to install :

1. Remove the existing ones “

$ sudo apt-get remove skype skype-bin

2. Download the debian package from the skype website :

$ sudo wget http://download.skype.com/linux/skype-ubuntu-precise_4.2.0.11-1_i386.deb

3. Install :

$ sudo dpkg -i skype-ubuntu*.deb; sudo apt-get -f install

4. Install the below necessary packages if not already installed :

In 32 bit :

$ sudo apt-get install sni-qt

In 64 bit :

sudo apt-get install sni-qt sni-qt:i386

That’s it! :)