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How To Install Oracle Express Edition On Ubuntu

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How To Install Oracle Express Edition On Ubuntu

Hello guys,
this time I will document my experience when installing the Oracle database on an Ubuntu-based operating system. But here you can also apply this method in the Backbox as well. because Backbox itself is included in the ubuntu distro.

On this occasion, I will share how to install Oracle XE (eXpress Edition), because when I was looking for a tutorial on how to install Oracle XE on Ubuntu itself, it was quite complicated for beginners like me.


Because the official page of Oracle itself only provides installers for derivative Linux operating systems. from RedHat only like Fedora or Centos. But on this occasion, I have created my own GitHub file to solve this problem.

Let’s go straight to the topic of conversation at the beginning, which is about the installation of Oracle XE.


The method is quite simple, we just clone GitHub. After that, we execute the setup.sh file

$ git clone https://github.com/koboi137/oracle-xe
$ cd oracle-xe
$ bash setup.sh


Pretty easy isn’t it??

By default, the above setup will generate a user password to enter the database.
The configuration is more or less like this

hostname: localhost
port: 1521
sid: xe
username: system
password: oracle

In addition, there are APEX settings for monitoring database usage, etc.
For access, see below.

http://localhost:8080/apex/apex_admin
username: ADMIN
password: admin

I have practiced this method in VPS, Virtualbox, and docker. If there is an error during installation, please consult in the comments column.️

Note: If you want to change the default password during installation, you can first edit the setup.sh file on line 31

printf 8080\n1521\noracle\noracle\ny\n | /etc/init.d/oracle-xe configure &&

Replace the words ” oracle ” with the password you want.
so much️

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Reminder, Ubuntu 21.04 (Impish Indri) Support Will End Soon

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Reminder, Ubuntu 21.04 (Impish Indri) Support Will End Soon

It’s no secret that the Ubuntu Linux distro is currently one of the most popular and widely used Linux distributions, especially for the general public and at home, all of this because this distribution is already quite popular for its ease of use, even though currently almost all common Linux distributions are already have the same user experience.

Now about Ubuntu, just a little bit of information, that Ubuntu 21.04 (Impish Indri) which was released in April 2021 will soon have the end of support in January 2022, in other words, there are only a few days before support is completely discontinued by Canonical.

Also Read: Download Official ISO File – Windows 11 Insider Build 22533

Just like Windows, once terminated, there will be no more updates available and of course, this is quite dangerous, especially for security issues that might leak and endanger user data.

As a recommendation, if you are a user of 21.04 (Impish Indri) you can downgrade your system to version 20.04 LTS (Focal Fossa) which is the LTS version that has a very long support period, even End of Life itself until April 2030 later. Or if you don’t want to downgrade, you can wait until April 2022 where Canonical will release a new version, namely 22.04 LTS (Jammy Jellyfish).

So this brief information, hopefully useful.

Via: Ubuntu

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Linux Kernel 5.16 Brings Significant Improvements to AMD CPUs

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Linux Kernel 5.16 Brings Significant Improvements to AMD CPUs

If you are a Linux user, especially if you are also an AMD user, then you must know that in Kernel 5.16 later, there will be a significant increase in AMD Ryzen CPU performance.

Based on the outstanding benchmarks, there is an increase of 28% from the Kernel 5.15 version that was present before, you can see the following benchmark results:

Linux Kernel 5.16 Brings Significant Improvements to AMD CPUs

The benchmark above was carried out on a Lenovo ThinkPad T14s Gen2 laptop with Ryzen 7 PRO 5850U. the CPU 5850U is an octa-core processor based on the Zen 3 with 16 threads belonging to the AMD Cezanne APU lineup.

To see if the performance improvements also hold upon other Zen architectures, the Ryzen 5 5500U also did not escape the testing process, where there appeared to be a significant performance increase.

Linux Kernel 5.16 Brings Significant Improvements to AMD CPUs

Reporting from Phoronix, Phoronix speculates that the noted performance gains may be due to a combination of CPU-specific optimizations:

“This improvement with Linux 5.16 was fascinating and came unexpectedly. Linux 5.16 has many new features including AMDGPU kernel driver improvements, but this Radeon Vega graphics boost came as a surprise as there wasn’t any announced optimization and the Vega graphics support at this stage is quite mature. It may also be a combination of CPU-related improvements with Linux 5.16.” Tulis Phoronix

Well, of course, this increase will be interesting for you Ryzen CPU users, but it’s not clear whether the upgrade will be present in all Ryzen series? or any other AMD series.

What do you think? comment below guys.

Via : Phoronix

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How to download and install Linux Keylogger – Ubuntu Keylogger

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How to download and install Linux Keylogger - Ubuntu Keylogger

Linux servers were very useful these days, just as it is very easy to register with Linux servers, and it is very easy to use them as well.

A Linux server is a server that is run by the Linux Open Source operating system. It offers businesses an affordable option to deliver content, applications, and services to their customers.

Since Linux is open source, users also benefit from a strong community of resources and followers. Each variation of Linux server is designed with different uses :

If you have a web server running, most likely CentOS® is running.

If your application serves thousands of users or even more, the solution you will be looking for will be designed to support this type of volumes such as Red Hat® Enterprise or Ubuntu® Server.


That would be overkill for your business needs as a turnkey Linux server would suffice for a specific purpose. The cloud infrastructure is typically Linux based.

Although we can use a Linux distribution for our server (eg Ubuntu) if we wish, Linux server distributions are slightly different from desktop distributions.

For example, server versions are usually much smaller than desktop versions for each administrator to customize to their liking, they usually do not have a graphical interface by default to save resources and have optimizations and features designed to offer the highest performance, greatest stability and the best possible security.

One of the better features of Linux is Keylogger because it helps us optimize and know what’s going on when we’re not at the computer.


You may want to know if anyone has used your computer while you were away and see what the classes were doing. How do I install a keylogger for Linux?

A keylogger is a hardware device or software that silently records every keyboard input (key) made by the user.

It can be used as a bidding tool to keep track of what you write and does not lose anything you have done or saved on your computer, but it should be noted that some bad people also use it for illegal purposes like malware spyware and sending this information to third parties.

How to install Keylogger for Linux? Step by step

Log keys is an advanced keylogger software for GNU / Linux systems only. Records all characters and function keys and stores them in a log file. It can be controlled through a Linux terminal.

Install and use Logkeys

  1. Open Terminal by pressing ctrl + alt + T and hit this command to install keylogs sudo apt-get install logkeys
  2. Then enter that Choose filename.log, this will create a file filename.log in your home directory where all keystrokes will be saved.
  3. You can enter any name in place of ‘filename’.
  4. Now enter the following command – sudo logkeys – start – output filename.log
  5. This starts the application and saves your keystrokes to the name of the .log file
  6. To view the filename.log file, you must first stop the application with the following logkeys sudo – kill command
  7. And finally, read the keystrokes recorded with logkeys cat filename.log

How to install LKL?

  1. Download the APK of LKL Linux.
  2. Unpack or compress the downloaded file.
  3. Open the terminal and the CD at location lkl.
  4. Now type ./configure and press ENTER to check that all the resources you need are available.
  5. If you get any error related to the C compiler, for example: “The C compiler cannot create the executable”.
  6. For a C compiler error: sudo apt install libc6-dev.
  7. Scribe ‘ Brand ‘ and press ENTER to compile the package.
  8. Scribe ‘ sudo install ‘ and press ENTER to install the program.
  9. Installation must be completed.

How to use it?

You can send an argument with the lkl command

  1. h Support
  2. JA register port 0 × 60 (keyboard)
  3. b debug mode
  4. k set the keymap file
  5. or set the output file
  6. m send logs to
  7. t host name for sendmail. The default is localhost
  8. Example: lkl -l -k us_km -o log.file // use USA kb and put the logs in ‘log.file’

Did you manage to easily download Linux Keylogger?

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