Installing on Ubuntu
Prerequisites
-
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 -
Verify the java installation by running the following command:
java -version -
Install wget using the following command:
sudo apt-get update
sudo apt-get install wget -
Set the map count within the file /etc/sysctl.conf by adding the following line:
vm.max_map_count=262144 -
Increase ulimit value and validate system settings
- To change the file descriptor setting, edit the file /etc/sysctl.conf.
Add linefs.file-max= 100000to 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
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Please login as root using sudo su if you are not the root user or install using sudo as below.
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Create a SearchBlox user by giving the necessary details
sudo adduser searchblox -
SearchBlox has to be installed in /opt folder, so change directory to /opt
cd /opt -
Download SearchBlox debain package
sudo wget https://d2fco3ozzrfhhd.cloudfront.net/v10.2/searchblox_10.2-0_all.deb -
Install the debian package
sudo dpkg -i searchblox_10.2-0_all.deb -
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 -
To start SearchBlox service:
systemctl start searchblox
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To stop SearchBlox service:
systemctl stop searchblox
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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/logsfolder.
Please confirm the message "SearchBlox Started" is shown in the log. In case of any errors, this log will provide additional information for troubleshooting.
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To learn more on Troubleshooting visit: Logging and Troubleshooting
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To learn about accessing SearchBlox visit: Overview of SearchBlox
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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:
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Stop SearchBlox service
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Edit the file /opt/searchblox/start.d/https.ini and add the below line to set the required port number:
jetty.ssl.port=443 -
Save the file https.ini
-
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
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First Stop the SearchBlox, by running the command:
systemctl stop searchblox -
Run the following command to uninstall or remove SearchBlox:
apt-get remove searchblox -
To remove the user, run the command;
userdel searchblox -
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
Additional Disk is required for disk encryption
-
Installation of cryptsetup for Ubuntu:
sudo apt-get install cryptsetup -
LUKS Format disk
Note: while formatting the disk we have to give some password
cryptsetup luksFormat /dev/sdb
WARNING!
========
This will overwrite data on /dev/sdb irrevocably.
Are you sure? (Type uppercase yes): YES
Enter LUKS passphrase:
Verify passphrase:
- Luks open
Note: We have to use the password created earlier while formatting the disk.
cryptsetup luksOpen /dev/sda data
Enter passphrase for /dev/sdb:
- Create a filesystem
mkfs -t ext4 /dev/mapper/data
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
- Mounting the new file system at /opt
mount /dev/mapper/data /opt - To get UUID
blkid /dev/mapper/data
/dev/mapper/data: UUID="0a228c13-06d8-4739-99c3-f596c2dcce8e" TYPE="ext4"
- 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
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
Updated 3 months ago