CSIR-KNOWGATE

How To generate thumbnail of images in DSPACE 5.0

2026-01-05T05:36:33Z

1. Go to dspace.cfg file :     #vi /dspace/config/dspace.cfg
a. Comment line:
    plugin.named.org.dspace.app.mediafilter.FormatFilter= \
         org.dspace.app.mediafilter.JPEGFilter= JPEG Thumbnail, \

    Add this line to generate thumbnail , If it is there leave it as it is (uncomment line if commented):

    plugin.named.org.dspace.app.mediafilter.FormatFilter= \
      org.dspace.app.mediafilter.ImageMagickImageThumbnailFilter= ImageMagick Image Thumbnail, \

b. set   webui.browse.thumbnail.show = True under Settings for Thumbnail creation section
c.   uncomment webui.itemlist.columns and add thumbnail in it. If thumbnail is there, just uncomment        the line.
d. Add thumbnail in webui.itemlist.dataccessioned.columns but do not uncomment the line. If thumbnail is there, leave it as it is.
2. Run the command after making changes and adding any media
#/dspace/bin/dspace filter-media
3. After making changes in dspace.cfg file, restart apache-tomcat and then start dspace.

Best practices for proper functioning of koha

2026-01-05T05:36:33Z

Take Backup:
a) Goto command prompt and type followings command:
[root@localhost~]# mysqldump -u root -p koha>/root/Desktop/backup.sql

b) Backup on external device:
Take backup on regular basis by copying backup.sql from desktop created by above command into external device(hard-disk,pendrive,CD/DVD etc).

c) Restore:
Goto command prompt and type followings command:
[root@localhost~]# mysql -u root -p koha</root/Desktop/backup.sql

2. To check availability of root partition space:
a) Keep checking the root partition's space on regular basis to ensure the space is available and is not fully consumed for proper functioning of koha .
b) Goto command prompt and type followings command:
[root@localhost~]# df -h

Changing the Network interface Name from "em" to "eth" in CentOS 6.x

2016-01-18T11:26:56Z

1. Create the backup of grub.conf
# cp --preserve=context /etc/grub.conf /etc/grub.bak

2. Add biosdevname=0 to Kernel boot argument in /etc/grub.conf

3. Goto to the directory
#cd /etc/sysconfig/netwrok-scripts/
Check for the interfaces
#ls
open the file ifcfg-em1 in editor
Rename interface, by changing the line
Device="em1" similarly(em2,em3,em4)
to
Device="eth0" similarly(eth1,eth2,eth3)

4. Delete /etc/udev/rules.d/70-persistant-net.rules (If Exists)

5. Reboot

To delete administrator account/or any E-person:

2026-01-05T05:36:33Z

Wording of E-mail messages:

2026-01-05T05:36:33Z

You should replace the contact-information "dspace-help@myu.edu or call us at xxx-555-xxxx" with your own contact details in:

Goto command prompt and type the following commands:
[root@localhost~]# vi /dspace/config/emails/change_password
[root@localhost~]# vi /dspace/config/emails/register

To allow particular domain name for registration:

2026-01-05T05:36:33Z

Go to command prompt and type following command:
[root@localhost~]# vi /dspace/config/modules/authentication-password.cfg

Add the following parameter:
domain.valid=give the domain name that you want to allow (Eg. niscair.res.in)

Email:Internal System Error while new registration

2026-01-05T05:36:33Z

After Email configuration in:
[root@localhost~]# /dspace/config/dspace.cfg.file

Go to Gmail-> My Account -> Sign In & Security -> Connected Apps and Sites -> Enable Allow less secure Apps option

Q. Problem in KOHA NO result found on searching Data.

2026-01-05T05:36:33Z

SOLUTION:

Check Zebra Server is running or not.
Goto koha staff client
Goto>More>About Koha>Look for Zebra version>here check Zebra
Server is started or not
IF NOT goto command prompt and write this command to start Zebra server

[root@localhost~]# sh/usr/share/koha/bin/koha-zebra-ctl.sh restart

Q. Z39.50 Server search is not retrieving records from library of congress

2026-01-05T05:36:33Z

SOLUTION:

a. Go to terminal

b. Open /etc/koha/koha-conf.xml with an editor
      Eg. [root@localhost~]# vim /etc/koha/koha-conf.xml
      Uncomment following lines:
      <listen id="publicserver">tcp:@:9998</listen>
      <server id="publicserver" listenref="publicserver">
      <server info id="publicserver">
       save and quit

c. Now restart Zebra:
    sh /usr/share/koha/bin/koha-zebra-ctl.sh restart

d. Check connectivity
      [root@localhost~]# yaz-client ip-address:9998/biblios
     OUTPUT:
      Connecting ok.
      Sent initrequest.
      Connection accepted by v3 target.
      ID : 81
      Name    : Zebra information Server/GFS/YAZ
      Version : 2.0.53/4.2.51
      d5ea9ffb52a014f258ac9e41ca34a6d9ba4b45c8
      Option : search present delSet triggerResourceCtrl scan sort
      extendedServices
      namedResultSets Elapsed: 0.005532
      Z>q

e. service iptables stop

f. setenforce 0

g. service httpd restart & mysqld restart

Now search the record from koha zebra search, if it is still not fetching records then contact to Network admin and ask him to open the port for your koha machine.

Q. Problem to set new password for koha

2026-01-05T05:36:33Z

SOLUTION:

Go to terminal

          Type the following commands:
              # mysql -u root -p
              # enter your mysql password
              # use koha
              # update mysql.user set password=PASSWORD('abc') where user='kohaadmin';
              # flush privileges;
              # commit;

Q. Software error in MySQL: Another daemon is already running

2026-01-05T05:36:33Z

SOLUTION:

Go to terminal

             Type the following command:
   # service mysqld restart
   # mv /var/lib/mysql/mysql.sock/var/lib/mysql/mysql.sock.bak
   # yes
                   # service mysqld restart
                   # chkconfig mysqld on

Q. To set new Password for mysql user

2026-01-05T05:36:33Z

SOLUTION:

Goto mysql command prompt:

         # mysql -u root -p koha
         # update mysql.user set password= PASSWORD(‘abc’) where user =’root’;
         # flush privileges;
         # commit;

Q. Problem regarding httpd doesnot start or page not found error

2026-01-05T05:36:33Z

SOLUTION:

Go to Terminal

         Type the following commands:
            # service httpd restart
            # chkconfig httpd on
            # chkconfig postfix on

Q. Problem in Circulation in Koha : Date-Time

2015-07-28T09:30:59Z

SOLUTION:

Goto koha staff client
Goto>More>About Koha> Perl Modules>
Check the DateTime version if it is lesser then 0.78
Upgrade DateTime version to higher than 0.78.

Q. Problem : new records entered in koha is not searchable

2015-07-28T09:42:46Z

SOLUTION:

Ensure that the new records entered get updated in the framework that has been previously created.

Rebuild the zebra index from koha user

[root@localhost ~]# su – koha
For new records entered:

perl -I /usr/share/koha/lib/ /usr/share/koha/bin/migration_tools/rebuild_zebra.pl -z -b -v -a

For earlier records :

perl -I /usr/share/koha/lib/ /usr/share/koha/bin/migration_tools/rebuild_zebra.pl -r -b -v -a