Category: Linux
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Windows Port Knock Application
****The application now accepts DNS names and will correctly resolve them when knocking…rejoice!**** I’ve been getting a lot of false positives from virus scanners: IE Virustotal This is a known issue with all autoit compiled scripts. They are NOT infected, it’s just that Autoit code has been picked up by virus scanners at one point,…
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Tracing DNS Servers With Dig
For the people that like to see the hops that their DNS entries take, there is the trace option in Dig. If you are trying to diagnose DNS SOA issues with forward or reverse zones, this is a must! Forward traces: dig gregsowell.com +trace [root@dns2 ~]# dig gregsowell.com +trace ; <<>> DiG 9.2.4 <<>> gregsowell.com…
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Run Linux On Your RouterBoard
Anthony, who accomplished this hack, was kind enough to let me repost it here. It seems he has found a way to run Debian linux on his RB433AH, and he was kind enough to show us all how it is done. “Basically the technique is to netboot the router off a vmlinux-initramfs image I constructed…
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Endian Firewall – Community Edition
I’d not heard of these guys until a month ago. They have appliances and also a software based version you can install on your own server. Best of all, they have a community edition. I’ve downloaded a copy, but I’ve yet to actually test it. Here’s some of the features: Stateful Firewall – Pretty standard…
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Send Yourself Emails Via a Script/Cron That Attaches a File – Linux
I’m using a nice little utility called mutt. To get this guy installed and you are running CentOS, use: yum install mutt To send yourself an email with an attachement and no text: mutt -a /tmp/BackupFile.tar -s "Your backup" [email protected] < /dev/null To send the same file but with text try this: mutt -a /tmp/BackupFile.tar…
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My New Favorite NTP Server Resource
Check the right side of the page for a regional server -> pool.ntp.org
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FTP Creating 0 Byte Files
So Jimmy over at cactiusers.org wrote me a plugin that generates some stuff and FTPs it to another server. My other server was generating some files, but no folders. The files it was generating were 0 byte files…I was scratching my head. I shot Jimmy an message describing the problem. His reponse was “Is your…