Prerequisites

1. Install OpenJDK 11 by running the following command:
   sudo add-apt-repository ppa:openjdk-r/ppa && sudo apt-get update -q && sudo apt install -y openjdk-11-jdk

2. Verify the java installation by running the following command:
   java -version

3. Install wget using the following command:
   sudo apt-get update
sudo apt-get install wget

4. Set the map count within the file /etc/sysctl.conf by adding the following line:
   vm.max_map_count=262144

5. Increase ulimit value and validate system settings

• To change the file descriptor setting, edit the file /etc/sysctl.conf.
  Add line fs.file-max= 100000 to it.
  

• To apply the changes :
  sysctl -p

• To change the ulimit setting, edit the file /etc/security/limits.conf and set the hard and soft limits:
  * soft nofile 100000
* hard nofile 100000
  

• After that enable the pam_limits as followings:
  Edit the file /etc/pam.d/common-session and add the following line:
  session required pam_limits.so
  

• Reboot the server for the changes to take effect:
  reboot

• Check the ulimit settings by running the following commands:
  ulimit -a
ulimit -Sn # Check soft limit
  ulimit -Hn # Check hard limit

SearchBlox Installation

1. Please login as root using sudo su if you are not the root user or install using sudo as below.

2. Create a SearchBlox user by giving the necessary details
   sudo adduser searchblox

3. SearchBlox has to be installed in /opt folder, so change directory to /opt
   cd /opt

4. Download SearchBlox debain package
   sudo wget https://d2fco3ozzrfhhd.cloudfront.net/v10.2/searchblox_10.2-0_all.deb

5. Install the debian package
   sudo dpkg -i searchblox_10.2-0_all.deb

6. Change permission for few folders by running the following commands:
   sudo chown -R searchblox:searchblox /opt/searchblox
sudo chmod -R 755 /opt/searchblox/bin
sudo chmod -R 755 /opt/searchblox/elasticsearch/bin
sudo chmod -R 755 /opt/searchblox/analytics
sudo chmod -R 755 /opt/searchblox/logs
sudo chmod -R 755 /opt/searchblox/elasticsearch/logs
sudo chmod -R 755 /opt/searchblox/connectors

7. To start SearchBlox service:
   systemctl start searchblox

8. To stop SearchBlox service:
   systemctl stop searchblox

9. To verify the status of the SearchBlox service:
   systemctl status searchblox

Verify Installation

Once you start the SearchBlox service, wait for 30 - 60 seconds then go to https://localhost:8443/console to validate.

• You can also verify if SearchBlox has started successfully by viewing the status.log file in the /opt/searchblox/webapps/ROOT/logs folder.

Please confirm the message "SearchBlox Started" is shown in the log. In case of any errors, this log will provide additional information for troubleshooting.

• To learn more on Troubleshooting visit: Logging and Troubleshooting

• To learn about accessing SearchBlox visit: Overview of SearchBlox

• To learn about tuning after installation visit: Installation Tuning

  🚧

  SearchBlox Admin Console Access using IP Address or Domain Name

  • You can use your IP instead of localhost in the URL to access the SearchBlox Admin Console.
  • If a domain name is mapped to the IP address, you can use the domain name:
    https://exampledomain:port/console
    https://exampledomain:port/search/index.html

Change SearchBlox Server Port

SearchBlox Server runs on port 8443 by default.

• For secure ports refer Secure Ports used by SearchBlox section on Requirements.

You can change the port by following the steps below:

1. Stop SearchBlox service

2. Edit the file /opt/searchblox/start.d/https.ini and add the below line to set the required port number:
   jetty.ssl.port=443

3. Save the file https.ini

4. Start SearchBlox service
   

   🚧

   Port Update

   Fix the permission denied error while using searchblox service on less than ports 1024, run the below commands:
   Check the Java Path

   readlink -f $(which java)

   Set the capability to bind low ports for non-root searchblox user.

   setcap cap_net_bind_service+ep <javapath>

Uninstall

1. First Stop the SearchBlox, by running the command:
   systemctl stop searchblox

2. Run the following command to uninstall or remove SearchBlox:
   apt-get remove searchblox

3. To remove the user, run the command;
   userdel searchblox

4. Reboot the server:
   reboot

Note: For clean SearchBlox uninstallation, it is required to remove searchblox directory i.e., /opt/searchblox manually by running the following command:
rm -rf /opt/searchblox

Disk Encryption

1. Installation of cryptsetup for Ubuntu:
   sudo apt-get install cryptsetup

2. LUKS Format disk
   Note: while formatting the disk we have to give some password
   cryptsetup luksFormat /dev/sdb

   output:

   WARNING!
   ========
   This will overwrite data on /dev/sdb irrevocably.
   Are you sure? (Type uppercase yes): YES
   Enter LUKS passphrase:
   Verify passphrase:

3. Luks open
   Note: We have to use the password created earlier while formatting the disk.
   cryptsetup luksOpen /dev/sda data

   output:

   Enter passphrase for /dev/sdb:

4. Create a filesystem
   mkfs -t ext4 /dev/mapper/data

   output:

   mke2fs 1.42.13 (17-May-2015)
   Creating filesystem with 52428288 4k blocks and 13107200 inodes
   Filesystem UUID: 1c71b0f4-f95d-46d6-93e0-cbd19cb95edb
   Superblock backups stored on blocks: 
   	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
   	4096000, 7962624, 11239424, 20480000, 23887872
   Allocating group tables: done                            
   Writing inode tables: done                            
   Creating journal (32768 blocks): done
   Writing superblocks and filesystem accounting information: done

5. Mounting the new file system at /opt
   mount /dev/mapper/data /opt

6. To get UUID
   blkid /dev/mapper/data

   output:

   /dev/mapper/data: UUID="0a228c13-06d8-4739-99c3-f596c2dcce8e" TYPE="ext4"

7. We need to add the UUID into /etc/fstab like this and save it
   Note: We need to add the UUID into etc/fstab file

   Example:

   LABEL=cloudimg-rootfs   /        ext4   defaults,discard        0 0
   UID="4539b70d-66ab-4c07-b2a2-d4583f461a2f"   /secret   ext4 defaults 0 0
   UID="4539b70d-66ab-4c07-b2a2-d4583f461a2f"   /opt      ext4 defaults 0 0
   UUID="0a228c13-06d8-4739-99c3-f596c2dcce8e"   /opt  ext4  defaults 0  0
   ===================================================

• To close encryption
  cryptsetup luksClose /dev/mapper/data
• To open encryption
  cryptsetup luksOpen /dev/mapper/data