I wore my sysadmin fire hat today, taking a new email server live at work. I was able to replace a Postfix/procmail/POP3 server with a Postfix/AMaVisD proxy. It turned out pretty well, as I was able to fully migrate to it with 0 downtime by using a backup MX record. The proxy was setup pretty [...]
What is listening on your system — Linux Tip #3
Netstat is used to find out about network connections on a unix box. If you pass in -lintp you will get a listing of what processes are in a listening state on your machine and what interfaces they are listening on. # netstat -luntp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign [...]
Linux – The Developer’s Best Friend — Hacking Journal [2006/03/09]
Been awhile since I have been able to sit down and write much. I now have my Ubuntu Linux desktop up and running, so I am now looking to start to hack on some actual desktop apps soon. While web applications are fun, I spend most of my time working on them at work so [...]
Need to find a process? — Linux Tip #2
If you are ever wanting to quickly find a process on your system ps aux | grep ‘process-name’ will output some information for you about all the processes named ‘process-name’ Example: eric@raptor:~$ ps aux | grep ‘gaim’ eric 16112 0.1 2.4 50484 38652 ? S Mar04 10:04 gaim where 16112 is the Process ID, 0.1 [...]
Want an email reminder? — Linux Tip #1
If you want to be reminded of something you have to do at a certain time, use the at command at 11am at> mail me -s “Time to leave” -m “Meeting in the office” This will send ‘me’ and email at 11am to remind me about the meeting. at 7am at> xmessage “You have a [...]
Linux Desktop is Complete
I finally have my Linux desktop again. I am running “Ubuntu”:http://www.ubuntu.com/ on it with GNOME. I am still keeping the Mac Mini around (mostly because my iPod) but it is now setup to run headless with a VNC server. Anywho, the specs on this desktop are decent, nothing to write home about but still plenty [...]
Spoke too Soon
Well I have just spent about half my day chasing some errors in my Linux box. They all appear to be caused from faulty hardware but which piece, I do not know. I actully have it running right now, and will try to leave it on overnight to test the stability. If I can’t get [...]
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