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Managing golang versions
James Won edited this page Feb 24, 2021
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$ sudo yum install golang-bin
In my instance on a RHEL7 machine, it installed go 1.13.6.
This gives you something to start with.
I want to use go 1.13.10. I can achieve like so:
$ go get golang.org/dl/go1.13.10
$ go1.13.10 download
At this point, go 1.13.10 should be installed in ~/sdk/go1.13.10
$ sudo update-alternatives --display go
go - status is auto.
link currently points to /usr/lib/golang/bin/go
/usr/lib/golang/bin/go - priority 90
slave gofmt: /usr/lib/golang/bin/gofmt
Current `best' version is /usr/lib/golang/bin/go.
Now add your new golang installation as an alternative:
$ sudo update-alternatives --install /usr/bin/go go ~/sdk/go1.13.10/bin/go 1 --slave /usr/bin/gofmt gofmt ~/sdk/go1.13.10/bin/gofmt
Now --display
should list both installations:
$ sudo update-alternatives --display go
go - status is auto.
link currently points to /usr/lib/golang/bin/go
/usr/lib/golang/bin/go - priority 90
slave gofmt: /usr/lib/golang/bin/gofmt
/home/jwon/sdk/go1.13.10/bin/go - priority 1
slave gofmt: /home/jwon/sdk/go1.13.10/bin/gofmt
Current `best' version is /usr/lib/golang/bin/go.
Make the change to use the new installation via --config
:
$ sudo update-alternatives --config go
There are 2 programs which provide 'go'.
Selection Command
-----------------------------------------------
*+ 1 /usr/lib/golang/bin/go
2 /home/jwon/sdk/go1.13.10/bin/go
Enter to keep the current selection[+], or type selection number: 2
Now --display
should say that we're pointing to our new installation:
$ sudo update-alternatives --display go
go - status is manual.
link currently points to /home/jwon/sdk/go1.13.10/bin/go/usr/lib/golang/bin/go - priority 90
slave gofmt: /usr/lib/golang/bin/gofmt
/home/jwon/sdk/go1.13.10/bin/go - priority 1
slave gofmt: /home/jwon/sdk/go1.13.10/bin/gofmt
Current `best' version is /usr/lib/golang/bin/go.
At this point, go
now points to our 1.13.10 installation!
$ go version
go version go1.13.10 linux/amd64