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Ubuntu startup black screen solution
Solution to the black screen when ubuntu starts: check whether there is a power problem, check whether the memory is in poor contact, check the graphics card problem, etc. If you want to know more about Ubuntu, you can read the articles below this topic.
How to solve the black screen when ubuntu startsSolution: 1. Check whether it is a power supply problem: the computer power supply may be insufficient, causing a black screen when Ubuntu is turned on; 2. Check for poor memory contact: poor computer memory contact may also cause a black screen. It is recommended to remove the memory stick, wipe it clean with a cloth or eraser, and then install it; 3. Check the graphics card problem: Ubuntu system kernel bug will cause gdm3 and Nvidia driver conflicts, so that gdm3 cannot start the graphical interface normally, and the screen will appear Flashing.
How to check the port number of mysql in ubuntu1. Log in to mysql. Open the terminal and enter the command: "#mysql-uroot-p". [root@localhost~]#mysql-uroot-pEnterpassword: Enter the database password; 2. Enter the command "showglobalvariableslike'port';" to view the port number. mysql>showglobalvariableslike'port';+---------------+-------+|Variable_name|Value
How to solve the error when installing redis on ubuntuTroubleshooting and solving redis installation in ubuntu system $wgethttp://download.redis.io/releases/redis-6.0.6.tar.gz#wget command to download the redis installation file, you can also download the compressed package from the official website $tar-xvfredis- 6.0.6.tar.gz#Decompress the downloaded compressed package $mvredis-6.0.6/usr/local/redis#Move the redis installation to /usr/local/, not necessary $cd/usr/local/ redis#Enter this directory
How to install and configure redis in UbuntuUse the command line to update all software packages sudoapt-getupdate######Install the Redis database in LinuxUbuntu```LINUX#Install the Redis server~sudoapt-getinstallredis-serverAfter the installation is completed, the Redis server will automatically start, we check Redis server program#Check the Redis server system process~ps-aux|grepredisredis41620.10.0106761420?Ss23:240:00/usr/bin/redis-server/etc/redis/redis.
How to set up MySQL remote access on UbuntuStep 1: Check if MySQL has remote access enabled. Before starting the configuration, we need to make sure that MySQL has remote access enabled. First, we need to log into the MySQL server and see if remote access is enabled. Open a terminal and enter the following command: sudomysql-uroot-p This command will log in to MySQL as the root user. After entering this command, you will be asked for your password. If you enter the correct password, you will enter the MySQL shell, which allows you to access the MySQL server's command line interface. In MySQL shell, we need to enter the following command to see whether remote access is enabled: SELECTuser,au
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