Install package error: curl: (60) Cert verify failed: BADCERT_NOT_TRUSTED

julia> versioninfo()
Julia Version 1.4.1
Commit 381693d3df* (2020-04-14 17:20 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-8.0.1 (ORCJIT, haswell)

(v1.4) pkg> add Rmath
  Resolving package versions...
Downloading artifact: Arpack

curl: (60) Cert verify failed: BADCERT_NOT_TRUSTED
More details here: https://curl.haxx.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
ERROR: Unable to automatically install 'Arpack' from '/user/leuven/323/vsc32366/.julia/packages/Arpack_
jll/V7Qow/Artifacts.toml'                                                                             
Stacktrace:
 [1] error(::String) at ./error.jl:33
 [2] ensure_artifact_installed(::String, ::Dict{String,Any}, ::String; platform::Pkg.BinaryPlatforms.Pl
atform, verbose::Bool, quiet_download::Bool) at /buildworker/worker/package_linux64/build/usr/share/jul
ia/stdlib/v1.4/Pkg/src/Artifacts.jl:894                                                               
 [3] ensure_all_artifacts_installed(::String; platform::Pkg.BinaryPlatforms.Platform, pkg_uuid::Nothing
, include_lazy::Bool, verbose::Bool, quiet_download::Bool) at /buildworker/worker/package_linux64/build
/usr/share/julia/stdlib/v1.4/Pkg/src/Artifacts.jl:958                                                 
 [4] download_artifacts(::Pkg.Types.Context, ::Array{String,1}; platform::Pkg.BinaryPlatforms.Linux, ve
rbose::Bool) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/Operation
s.jl:609                                                                                              
 [5] download_artifacts(::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}; platform::Pkg.BinaryPlat
forms.Linux, verbose::Bool) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pk
g/src/Operations.jl:588                                                                               
 [6] add(::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}, ::Array{Base.UUID,1}; preserve::Pkg.Typ
es.PreserveLevel, platform::Pkg.BinaryPlatforms.Linux) at /buildworker/worker/package_linux64/build/usr
/share/julia/stdlib/v1.4/Pkg/src/Operations.jl:1084                                                   
 [7] add(::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}; preserve::Pkg.Types.PreserveLevel, plat
form::Pkg.BinaryPlatforms.Linux, kwargs::Base.Iterators.Pairs{Union{},Union{},Tuple{},NamedTuple{(),Tup
le{}}}) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/API.jl:159   
 [8] add(::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}) at /buildworker/worker/package_linux64/
build/usr/share/julia/stdlib/v1.4/Pkg/src/API.jl:112                                                  
 [9] #add#27 at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/API.jl:10
9 [inlined]                                                                                           
 [10] add(::Array{Pkg.Types.PackageSpec,1}) at /buildworker/worker/package_linux64/build/usr/share/juli
a/stdlib/v1.4/Pkg/src/API.jl:109                                                                      
 [11] do_cmd!(::Pkg.REPLMode.Command, ::REPL.LineEditREPL) at /buildworker/worker/package_linux64/build
/usr/share/julia/stdlib/v1.4/Pkg/src/REPLMode/REPLMode.jl:403                                         
 [12] do_cmd(::REPL.LineEditREPL, ::String; do_rethrow::Bool) at /buildworker/worker/package_linux64/bu
ild/usr/share/julia/stdlib/v1.4/Pkg/src/REPLMode/REPLMode.jl:381                                      
 [13] do_cmd at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/REPLMode/
REPLMode.jl:376 [inlined]                                                                             
 [14] (::Pkg.REPLMode.var"#24#27"{REPL.LineEditREPL,REPL.LineEdit.Prompt})(::REPL.LineEdit.MIState, ::B
ase.GenericIOBuffer{Array{UInt8,1}}, ::Bool) at /buildworker/worker/package_linux64/build/usr/share/jul
ia/stdlib/v1.4/Pkg/src/REPLMode/REPLMode.jl:542                                                       
 [15] #invokelatest#1 at ./essentials.jl:712 [inlined]
 [16] invokelatest at ./essentials.jl:711 [inlined]
 [17] run_interface(::REPL.Terminals.TextTerminal, ::REPL.LineEdit.ModalInterface, ::REPL.LineEdit.MISt
ate) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/REPL/src/LineEdit.jl:2354
 [18] run_frontend(::REPL.LineEditREPL, ::REPL.REPLBackendRef) at /buildworker/worker/package_linux64/b
uild/usr/share/julia/stdlib/v1.4/REPL/src/REPL.jl:1055                                                
 [19] run_repl(::REPL.AbstractREPL, ::Any) at /buildworker/worker/package_linux64/build/usr/share/julia
/stdlib/v1.4/REPL/src/REPL.jl:206                                                                     
 [20] (::Base.var"#764#766"{Bool,Bool,Bool,Bool})(::Module) at ./client.jl:383
 [21] #invokelatest#1 at ./essentials.jl:712 [inlined]
 [22] invokelatest at ./essentials.jl:711 [inlined]
 [23] run_main_repl(::Bool, ::Bool, ::Bool, ::Bool, ::Bool) at ./client.jl:367
 [24] exec_options(::Base.JLOptions) at ./client.jl:305
 [25] _start() at ./client.jl:484
6 Likes

Is there a solution for this issue?

Found a workaround of editing ~/.curlrc and adding a line:
insecure

Not a great solution, but enough to get Pkg installation to work. Also found discussion of a proper eventual solution at: