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Question

sysctl.conf ubuntu upgrade to 14.04

  • Posted May 2, 2014

Hi, I just upgraded to 14.04 during which it asked if I wanted to keep the old /etc/sysctl.conf file or accept the maintainers release. I accepted the new one, but I’ve kept a copy of the old. I noticed there are some ‘# Digital Ocean Recommended Settings:’ lines. Is it recommended that I add these back into the new file? (or has DO released a new sysctl.conf file I should copy in?) Thanks in advance, -Duncan.

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orlandogauthier • February 25, 2016

Hello,

I just install Ubuntu Server 14.04.3 and my sysctl1.conf is empty, what should I do?

Andrew SB • May 5, 2014

@peter: Keeping the old file should be fine. The DigitalOcean defaults are the same.

peter636956 • May 3, 2014

i wasn’t sure what to do, so I just kept the old files when prompted. <br>Should I make the recommended changes? <br>What happens if I keep the old file? <br> <br>Thanks

duncan.a.rowland • May 2, 2014

Thanks Andrew.

Andrew SB • May 2, 2014

The settings added to /etc/sysctl.conf for 14.04 are: <br> <br><pre> <br># Digital Ocean Recommended Settings: <br>net.core.wmem_max=12582912 <br>net.core.rmem_max=12582912 <br>net.ipv4.tcp_rmem= 10240 87380 12582912 <br>net.ipv4.tcp_wmem= 10240 87380 12582912 <br></pre>