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JD FitzGerald jdfitzgerald

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jdfitzgerald / Use date to work with timestamps
Last active August 12, 2016 15:44
$ date +'%s' #osx
$ date -d '@1471007760' #linux
1414621704
$ date -r1414621704
Wed 29 Oct 2014 22:28:24 GMT
@jdfitzgerald
jdfitzgerald / Kill frozen ssh session
Created October 30, 2014 10:40
~.
@jdfitzgerald
jdfitzgerald / Rename multiple files with substitution
Created October 30, 2014 10:45
# replace AA anywhere in the filenames with BB
$ for file in *; do mv "$file" "${file/AA/BB}"; done
@jdfitzgerald
jdfitzgerald / Bash external ip
Created November 1, 2014 13:46
$ dig +short myip.opendns.com @resolver1.opendns.com
@jdfitzgerald
jdfitzgerald / varnish access logs
Created November 8, 2014 11:01
varnishncsa -a -w /var/log/varnish/access.log -D -P /var/run/varnishncsa.pid
@jdfitzgerald
jdfitzgerald / keybase.md
Created December 11, 2014 19:33

Keybase proof

I hereby claim:

  • I am jdfitzgerald on github.
  • I am jdfitzgerald (https://keybase.io/jdfitzgerald) on keybase.
  • I have a public key whose fingerprint is 574D 90B3 1CA4 A6F2 77B7 0FB1 70E3 6C8D 8664 DFFA

To claim this, I am signing this object:

@jdfitzgerald
jdfitzgerald / Block an IP using iptables
Created January 8, 2015 17:25
iptables -A INPUT -s xx.xx.xx.xx -j DROP
@jdfitzgerald
jdfitzgerald / delete a line using sed
Created January 9, 2015 15:56
# delete all lines beginning with 'AAA' from file.txt
$ sed -i '/^AAA/d' file.txt
@jdfitzgerald
jdfitzgerald / Use cfcli to list all DNS records from cloudflare.sh
Last active May 18, 2016 10:18
# npm install -g cfcli
# configure .cfcli.yml
for i in `cfcli listdomains -f csv | cut -d, -f1`; do cfcli listrecords -d $i -f csv; done
@jdfitzgerald
jdfitzgerald / Clear DNS cache os x
Created February 23, 2015 18:22
#this is for yosemite
sudo discoveryutil udnsflushcache; sudo discoveryutil mdnsflushcache