How to get an environment variable in Go?
In Go lang, how to get an environment variable?
To get an environment variable (e.g. “VAR”) in GO:
import "os"
import "fmt"
fmt.Println("VAR:", os.Getenv("VAR"))
Similar Posts
How to force ssh client to authenticate using password on Linux?
ByEric Massh client can use many authentication methods like password, keys. On a server, I set password-less log in with private/public key. Now, I want to try whether the new password is set correctly by log on using ssh. By default, the key-based authentication method is used again. How to force ssh client to authenticate using…
Getting Process Own Pid in C and C++
ByQ AHow to get the running process’ pid in C / C++? In C and C++, you can call the getpid() library function which is a function from the POSIX library. #include <sys/types.h> #include <unistd.h> pid_t getpid(void); getppid() returns the process ID of the calling process. An example C program to get self process ID getpid.c:…
iPhone Connecting to Internet Using Windows PC’s Network through USB Cable
ByEric MaNote that this was only tested on certain combinations like this (Windows 7 with iOS 8), this (Windows 7 with iOS 7), this and this (Windows 7 with iOS 9.3.2 (iphone 6s)). Windows 7 seems a possible Windows OS that can work. Recently, I tested it on Windows 8 and iOS 9. Unfortunately, it did…
What does the /b/ mean in the URL of Fclose.com – SysTutorials QA
ByQ AThere is a ‘/b/’ in the posts’ URLs on fclose.com . What does it mean? It originally means “blog” when the blogs are first set up. This site changes to not only a blog (one good example is this forum) over time. However, the URLs are kept unchanged and the ‘/b/’ has no special meanings…
How to reset the keyboard set by xmodmap on Linux?
ByEric MaHow to reset the keyboard set by xmodmap on Linux? You can reset your keyboard settings by: setxkbmap or setxkbmap -option depending on the way the keyboard was set by xmodmap. Read more: How to reset the Disqus WordPress plugin installation How to hard reset an Amazon Kindle How to force iPhone to reboot/restart/reset? How…
How to Configure iOS to Use Socks Proxy over SSH with a Linux/Unix Host
ByEric MaThe socks proxy I created following Proxy Using SSH Tunnel works very well on both Linux and Windows. However, when I try to configure my iPhone and iPad with iOS, I find iOS does not support socks proxy in its settings interface. I don’t know why it is not added while socks proxy is indeed…