I installed
GNU wget utility on FreeBSD as explained here. However, whenever I use the wget command to download stuff from the Internet, it says:
ERROR: cannot verify download.freebsd.org’s certificate, issued by ‘CN=Let\’s Encrypt Authority X3,O=Let\’s Encrypt,C=US’:
Unable to locally verify the issuer’s authority.
How do I fix this problem on FreeBSD 12?
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I do not want to use Adobe flash based speed testing site due to security concern on my desktop. How do I install Speedtest-cli on a CentOS Linux or Fedora Linux or Red Hat Enterise Linux (RHEL) for checking the Internet speed?
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How do I block a http user agent or a software agent using Nginx web server under Linux or Unix like operating systems?
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I‘m trying to download an ISO image for Enterprise Linux from RHN or Novell Suse. Both providers have placed ISO images behind paywall. I need to provide authentication credentials before downloading all files. How do I download ISO files using the wget command with user name and password?
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OpenNTPD is a Unix system daemon implementing the Network Time Protocol to synchronize the local clock of a computer system with remote NTP servers. How do I install OpenNTPD under CentOS / RHEL / Fedora Linux instead of
default NTPD client / server supplied by Linux operating system?
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I own a small business website. However, bots started to abusing my forms such as contact.php. How do I stop bad bots from abusing my site? How do I tell if PHP form is submitted by a person or a script?
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I have installed OpenBSD operating system but ports collection is missing at /usr/ports directory. How do I install ports from ftp / http site under OpenBSD?
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