Jeff Ferland

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location Mountain View, CA
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Moderator♦ on Security StackExchange

Software Engineer at Nimbula

Twitter: @jbferland


393 Answers

newest activity votes
87
Something is burning in the server room; how can I quickly identify what it is?
85
Mysterious visitor to hidden PHP page
44
Technologies that allow YouTube scale distribution?
33
Why bracket a single letter in a grep regex?
31
Why does Amazon release private keys instead of public keys?
26
Cutting an UTP cable while it's plugged in
15
Bash script not working with `sh`
15
What is the gain by using Puppet instead of Augeas itself?
14
Apache: Scammers point dozens of domain names at my dedicated IP. How to prevent this?
12
Why is Linux reporting “free” memory strangely?
12
Can Linux file permissions be fooled?
11
Is it possible to find the actual source IP of a packet with a spoofed IP header?
11
Is there a difference between how two ampersands and a semi-colon operate in bash?
10
Syslog produces hundreds of lines
10
Advise on a 240,000 sqft outdoor wireless network
10
Set sysctl.conf parameters with Puppet
9
Email notification about each SSH connection to Linux server
9
Continue ssh from previous state
8
Is there any way to do “mail server parking”?
8
kill -9 a postgres process
8
What happens to tcp packets when they are unable to finish the 3 way handshake?
8
How can I list my open ports on Debian?
8
Server refuses to use swap partition
8
Why am I Unable to ping port 443 on Ubuntu?
8
Upgrading multiple Debian servers at once
7
Force ntpd to make changes in smaller steps
7
deploy LAMP config to new boxes with low/no effort
7
Why is “AcceptEnv *” considered insecure?
7
Can a limited broadcast packet contain destination MAC address other than FF:FF:FF:FF:FF:FF?
7
How can I see the contents of the mail who's ID I get from mailq command?
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