| 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 |