How to install Oracle SQL developer data modeler on Linux Mint 21 or Ubuntu Linux

One of the best tools for database design is the Oracle SQL Developer Data Modeler and it's free. As a developer who designs databases this tool is indispensable due to the features it has. The tool can be downloaded from https://www.oracle.com/database/sqldeveloper/technologies/sql-data-modeler/. Note that you need to have an account with Oracle. The only issue is … Continue reading How to install Oracle SQL developer data modeler on Linux Mint 21 or Ubuntu Linux

How to fix error the following packages have been held back in Linux Mint or Ubuntu Linux

When updating packages in Linux Mint 21 or Ubuntu 22.04 LTS, at times, a message appears, as shown below, that states the following packages have been held back.$ sudo apt-get dist-upgrade <enter> Reading package lists… DoneBuilding dependency tree… DoneReading state information… DoneCalculating upgrade… DoneThe following packages have been kept back:cryptsetup cryptsetup-bin cryptsetup-initramfs libcryptsetup120 upgraded, 0 … Continue reading How to fix error the following packages have been held back in Linux Mint or Ubuntu Linux

How to fix error of Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead in Ubuntu Linux 22.04 LTS or Linux Mint 21

In Ubuntu 22.04 LTS or Linux Mint 21, there has been a change in the way keys to repos are stored. When installing software like Spotify from the internet via instructions there, the commands used cause an error when running apt-get update. The following error appears: Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d … Continue reading How to fix error of Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead in Ubuntu Linux 22.04 LTS or Linux Mint 21

Must have applications on Linux Mint or Ubuntu Linux

The below list of applications is a must-have for any Linux system. Not just for convenience, but additional capabilities too. The below list of applications is a must-have for any Linux system. Not just for convenience, but additional capabilities too. Download From internetFirefoxThunderbirdAndroid StudioVirtualBoxGoogle ChromeMegaInsyncHQSpotifyVivaldi BrowserWinehq Install these PackagesDiaEasytagVymFreeplaneKVMgLabelsGHexGkRellmGnucashGtkHashKeepassxSupertuxkartSupertuxOpenarenaRedshiftVLCXournal

How to improve speed of Android Studio on a legacy computer

Android Studio is one of the best IDEs for Android apps development, but with legacy computers, it is very slow. To run it on a Dell Vostro 3546, here's what I had to do. Upgrade hardware Minimum RAM required is 8 gb. The laptop came with 4 gb DDR3 1600 Mhz RAM which was slow, … Continue reading How to improve speed of Android Studio on a legacy computer

How to start up Thunderbird mail client on another path or computer in Linux

After moving Thunderbird folder i.e. ~/.thunderbird to another computer, it could not find the mailbox of the profile. It created a new profile. This was due to the change in the path where ~/.thunderbird folder was restored. To overcome this issue, open a terminal window and enter the following: $ cd ~/thunderbird <enter>$ ./thunderbird -profilemanager … Continue reading How to start up Thunderbird mail client on another path or computer in Linux

How to install Linux Mint 20.3 on Crucial MX500 SATA SSD drive on Dell Vostro 3546 laptop

The humble Dell Vostro 3546 is an old laptop from 2014, which came with an Intel 4th Generation 4210U processor, 1 TB SATA 5400 rpm hard disk and 4 GB DDR3 (low voltage) 1.35V RAM. It worked fine till now even when it ran Linux Mint 20.3 with Blender 3D. However, everytime an Android app … Continue reading How to install Linux Mint 20.3 on Crucial MX500 SATA SSD drive on Dell Vostro 3546 laptop

How to improve performance of Linux Mint XFCE on old computer

Decrease swappiness whereby the use of swap is curtailed$ cat /proc/sys/vm/swappiness <enter>returns the value of swappiness which is 60 initially. Make this 20 as follows:$ sudo xed /etc/sysctl.conf <enter>Add a line to the end of the filevm.swappiness=20Save the file. Disable Java in LibreofficeOpen Libreoffice Writer.Go to Tools -> Options -> Advanced -> Java OptionsUncheck Java … Continue reading How to improve performance of Linux Mint XFCE on old computer

How to enable the UEFI in VirtualBox for a Windows 10 virtual machine running on Linux

This is for those who missed checking the UEFI checkbox in the settings prior to installing Windows 10 in VirtualBox. Do the below at your own risk, take appropriate backup, First, check and confirm if BIOS Mode is Legacy, which means MBR is the partition and not GPT. To do this, press Windows+R and run:msinfo32.msc … Continue reading How to enable the UEFI in VirtualBox for a Windows 10 virtual machine running on Linux

How to increase font size of menus, lists in Spotify in Linux

To scale the font size of Spotify on Linux, open a terminal window and enter the following command.$ spotify --force-device-scale-factor=1.5 <enter> You will find that spotify menus are now bigger and more readable. To make them scale permanently whenever Spotify starts, create a desktop shortcut and put the scaling factor in the desktop file. $ … Continue reading How to increase font size of menus, lists in Spotify in Linux