ubuntu-18.04

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last month . Improve this question I have installed virtual box in my device using sudo apt install virtualbox-qt command. But when I run virtualbox command or virtualbox --version command it gives me this error: WARNING: The character device /dev/vboxdrv does not exist. Please install the

问题 I have a fresh installation of ubuntu 18.04. I'm having problems with my builds (e.g. Maven and Gradle) accessing a repository https, the message it shows is: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty When I try to access the certificates from my keystore using the following command: keytool -list -keystore /etc/ssl/certs/java/cacerts I get prompted with a password, which is not a problem, but if I just press enter without inputting the

问题 I have a fresh installation of ubuntu 18.04. I'm having problems with my builds (e.g. Maven and Gradle) accessing a repository https, the message it shows is: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty When I try to access the certificates from my keystore using the following command: keytool -list -keystore /etc/ssl/certs/java/cacerts I get prompted with a password, which is not a problem, but if I just press enter without inputting the

问题 I have a fresh installation of ubuntu 18.04. I'm having problems with my builds (e.g. Maven and Gradle) accessing a repository https, the message it shows is: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty When I try to access the certificates from my keystore using the following command: keytool -list -keystore /etc/ssl/certs/java/cacerts I get prompted with a password, which is not a problem, but if I just press enter without inputting the

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last month . Improve this question I'm looking for a way to move windows to screen corners (top-left, top, top-right, right, bottom-right, bottom, bottom-left, left, maximize) using keyboard shortcuts on Ubuntu 18.04 (Gnome Shell 3.28.3). What I tried that does not work: In settings/keyboard

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last month . Improve this question I'm looking for a way to move windows to screen corners (top-left, top, top-right, right, bottom-right, bottom, bottom-left, left, maximize) using keyboard shortcuts on Ubuntu 18.04 (Gnome Shell 3.28.3). What I tried that does not work: In settings/keyboard

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last month . Improve this question I'm looking for a way to move windows to screen corners (top-left, top, top-right, right, bottom-right, bottom, bottom-left, left, maximize) using keyboard shortcuts on Ubuntu 18.04 (Gnome Shell 3.28.3). What I tried that does not work: In settings/keyboard

问题 After updating to Ubuntu 18.04 I can't compile my Qt application. The following error occurs: undefined reference to `i2c_smbus_read_word_data(int, unsigned char) As I understood, i2c_smbus_read_word_data is now defined not in linux/i2c-dev.h, but in dynamic library /usr/lib/x86_64-linux-gnu/libi2c.so. I tryed to link dynamically: -li2c and statically: /usr/lib/x86_64-linux-gnu/libi2c.a But I still have compillation error UPD: libi2c-dev, libi2c0 and i2c-tools packages are installed. 回答1: The

问题 I'm trying to code along this React GraphQL TypeScript tutorial The project uses MikroOrm to communicate with a PostgreSQL database. I have PostgreSQL(12.4) installed on my Ubuntu 18.04, created a "postgres" user and I can log in to the user and run psql without any problems. However, when I start using mikro-orm commands like npx mikro-orm migration:create (video timestamp), I get the following error: error: password authentication failed for user "postgres" at Parser.parseErrorMessage (

问题 I'm trying to code along this React GraphQL TypeScript tutorial The project uses MikroOrm to communicate with a PostgreSQL database. I have PostgreSQL(12.4) installed on my Ubuntu 18.04, created a "postgres" user and I can log in to the user and run psql without any problems. However, when I start using mikro-orm commands like npx mikro-orm migration:create (video timestamp), I get the following error: error: password authentication failed for user "postgres" at Parser.parseErrorMessage (