terminal

问题 When I try to install Homebrew, I am getting following connection refused error. Please help me to solve this problem. $ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connection refused 回答1: Works for me. Unless its a real problem with github, which it may be but I'm going to guess that its not, its probably a problem with your connection. Can you get to the same URL via a browser?

问题 Is there a way to reload a Google Chrome tab in Ubuntu using just the terminal. I don't want to just open a new window, but to actually refresh a tab! Extra question: Is this possible in other browsers as well such as Opera, Safari, Firefox. 回答1: Looks like user2974830's answer is using some incorrect (perhaps old) syntax for xdotool. --search is supposed to be just search (without the dashes) and --windowid is supposed to be --window That being said here's a more comprehensive solution that

问题 I am running a command ./startup.sh nginx:start and I am getting this error message zsh: permission denied: ./startup.sh why could this be happening? 回答1: Be sure to give it the execution permission. cd ~/the/script/folder chmod +x ./startup.sh 回答2: Alternatively you can use bash: bash startup.sh Then you don't need execution permission. In MacOS Catalina, Apple has replaced bash with zsh as default shell. This can mean, that they intend to remove bash in the future, so this might not be an

问题 I am running a command ./startup.sh nginx:start and I am getting this error message zsh: permission denied: ./startup.sh why could this be happening? 回答1: Be sure to give it the execution permission. cd ~/the/script/folder chmod +x ./startup.sh 回答2: Alternatively you can use bash: bash startup.sh Then you don't need execution permission. In MacOS Catalina, Apple has replaced bash with zsh as default shell. This can mean, that they intend to remove bash in the future, so this might not be an

问题 In my vim editor, I have remapped some of the actions, as I don't like their default key bindings. (For example, I use Ctrl h/l to go to the beginning/end of the line instead of 0/$, as the former bindings are much easier to use.) I am also using vim binding in my terminal (bash and tmux) and some commands like "less" use vim bindings as well. My customization doesn't work there, so I need to remember my custom as well as the default key bindings, which is pretty inconvenient. How can I

问题 In my vim editor, I have remapped some of the actions, as I don't like their default key bindings. (For example, I use Ctrl h/l to go to the beginning/end of the line instead of 0/$, as the former bindings are much easier to use.) I am also using vim binding in my terminal (bash and tmux) and some commands like "less" use vim bindings as well. My customization doesn't work there, so I need to remember my custom as well as the default key bindings, which is pretty inconvenient. How can I

问题 Closed. This question is off-topic. 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 . In phpmyadmin, we can drop a specific database from operation tab and by hitting "DROP THE DATABASE (DROP)". But I need to drop a specific database using command prompt or terminal. 回答1: Use mysqladmin like mysqladmin -uroot -pyourpassword drop database_name In this case User: root with password: yourpassword

问题 Closed. This question is off-topic. 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 . In phpmyadmin, we can drop a specific database from operation tab and by hitting "DROP THE DATABASE (DROP)". But I need to drop a specific database using command prompt or terminal. 回答1: Use mysqladmin like mysqladmin -uroot -pyourpassword drop database_name In this case User: root with password: yourpassword

问题 This question already has answers here : What does it mean in shell when we put a command inside dollar sign and parentheses: $(command) (2 answers) Closed 22 days ago . I run following command in Linux terminal. Can anyone tell me what is the use of parentheses in Linux terminal and following command also ? $(echo "GET / HTTP/1.0";echo "Host: www.google.com"; echo) | nc www.google.com 80 回答1: ( list ) Placing a list of commands between parentheses causes a subshell environment to be created,

问题 Hi i am trying to execute a script to fill data into a database using Golang func executeTestScript(){ cmd := exec.Command("/usr/local/mysql/bin/mysql", "-h127.0.0.1", "-P3333", "-uusr", "-pPassxxx", "-Ddtb_test", "< /Users/XXX/Documents/test/scripts/olds/SCRIPT_XXX.sql") var out, stderr bytes.Buffer cmd.Stdout = &out cmd.Stderr = &stderr err := cmd.Run() if err != nil { fmt.Println(fmt.Sprintf("Error executing query. Command Output: %+v\n: %+v, %v", out.String(), stderr.String(), err)) log