can't instal any R packege

General
,
1

hi dear all
i'm trying to install packages in R
it connects and downloads the packeges but it does not install
here what i write to install package:
install.packages("devtools")

and this is the error i recieve :

trying URL 'https://cran.rstudio.com/src/contrib/devtools_2.2.1.tar.gz'
Content type 'application/x-gzip' length 372273 bytes (363 KB)

downloaded 363 KB

Warning: invalid package ‘/users/root/tmp/RtmpC4INwd/downloaded_packages/devtools_2.2.1.tar.gz’
Error: ERROR: no packages specified

The downloaded source packages are in
‘/users/$USER/tmp/RtmpC4INwd/downloaded_packages’
Updating HTML index of packages in '.Library'
Making 'packages.html' ... done
There were 50 or more warnings (use warnings() to see the first 50)

can anyone help me please

2

Hi @rezamds

Can you give us details about your session ? environnent (linux, windows,...) R version, rstudio version.....

3

Hi @Rodrigue
sorry for forgetting that
I'm using :
centos 7
R 3.6.0-1

and it happens for all packages not for devtools only
I think it can not read some path like temp
also when I try to install package from source it does everything but finally arrives to "testing if installed package can be loaded from temporary location"
and can't go further

4

Did you use in your environment previous version of R (<= 3.5.1)?

Do you have some firewall/anti-virus on yr env?

5

no I removed R completely and reinstalled it
I have firewall but previous admin has set it up
I dont know what shoul I check in firewall
I shoud explain that when I use "install.package("https://...pkg.tar.gz, repos=null) if the package has no dependencies it can be installed but if it has dependencies the same error appears

6

I think You must ask your admin to configure your firewall to allow traffic from your env to internet

7

but as I said I can connect to url and install package

8

hi
I checked it
no configuratin in firewall

9

and as you see in my Error the package is downloaded but cant be installed

10

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