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Improve TUN device check

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While it looks hackish, I don't think there's a better way (in Bash) to open
the /dev/net/tun character device.

Checking for presence of /dev/net/tun like were doing is not good enough.
This commit is contained in:
Nyr 2020-05-14 19:05:05 +02:00
parent b392e7da8b
commit d30e11d019
1 changed files with 5 additions and 3 deletions
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8
openvpn-install.sh
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@ -57,9 +57,11 @@ This version of CentOS is too old and unsupported"
exit exit
fi fi
if [[ ! -e /dev/net/tun ]]; then if [[ -e /dev/net/tun ]] && exec 2>/dev/null 7<>/dev/net/tun; then
echo "The TUN device is not available exec 7>&-
You need to enable TUN before running this script" else
echo "This system does not have the TUN device available
TUN needs to be enabled before running this installer"
exit exit
fi fi