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Failed to Detect and Mount CD-ROM – Kali Linux 2018.3a

October 22, 2018
Kali Linux
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Kali Linux threw this error message during the installation procedure. Troubleshooting this was frustrating as none of the fixes, which were about mounting the USB drive to /cdrom, worked for…

503 Guru Meditation Error / Backend Unavailable – Varnish

December 26, 2016
Varnish
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503 Guru Meditation Error / Backend Unavailable ugh. This error is the worst, it could mean so many things. Luckily in our case, we were getting this error when we…

connect: Network is unreachable

January 21, 2016
CentOS
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This was a mighty screw up, I don't exactly remember how I did this, but I messed with the routing table and deleted the default gateway entry. So whenever I…

[proxy_fcgi:error] The timeout specified has expired – Apache 2.4

January 20, 2016
CentOS
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Spent two hours trying to troubleshoot this. [crayon-5d5df9594bee6810721735/] The fix turns out to be pretty simple, add the following variables to /etc/httpd/conf/httpd.conf and tune them according to your requirement [crayon-5d5df9594beec514296826/] …