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  • Calculate average gas prices by year in excel

    - by ghostryder111
    I have 3 columns, A=Date, B=Price, C=Grade in Excel. I want to calculate the average price of fuel for each year and an overall average of all years by grade. The data table looks like this Date | Price | Grade 2012-05-01 | $3.49 | Regular 2012-06-07 | $3.58 | Regular 2012-04-01 | $3.98 | Premium 2012-02-17 | $3.87 | Premium 2013-01-01 | $3.49 | Regular 2013-02-01 | $3.89 | Premium 2013-03-06 | $3.89 | Premium 2013-03-09 | $3.45 | Regular The output should look something like this: Year | Regular | Premium 2012 | 3.43 | 3.67 2013 | 3.45 | 3.73 All | 3.44 | 3.70

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  • How to log nginx vhost bandwidth?

    - by bwizzy
    I'm looking for a way to be able to track the bandwidth of multiple vhosts on an nginx web server. I'm guessing there is a way that I can set up the log files to output this information and then I can write a script to parse through the log files and add up the file sizes. If that is the case does anyone know the correct log format, and if there is already a script out there that does this?

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  • Nohup over ssh won't return

    - by user1219721
    I am trying to do [me@myPc]$ ssh me@server "nohup myBashScript.sh &" My goal is to launch the process on the server, and then immediately return. It is not working: The job is started on server, but I still get the output on myPc and bash wait for completion prior to asking me for another command. Why ? It's not supposed to ! Any way to avoid that ? myPc is RHEL6.2 server is ubuntu 10.04 and both runs openssh

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  • How to set format VLC player uses when recording?

    - by Suzan Cioc
    How to set format VLC player uses when recording? I am getting giant AVIs which nobody can open (except VLC player itself) Example MPC-HC output: MPC AVI Source::Video 0 Media Type 0: -------------------------- Video: RV32 1920x1080 11.999fps AM_MEDIA_TYPE: majortype: MEDIATYPE_Video {73646976-0000-0010-8000-00AA00389B71} subtype: Unknown GUID Name {32335652-0000-0010-8000-00AA00389B71} formattype: FORMAT_VideoInfo {05589F80-C356-11CE-BF01-00AA0055595A} bFixedSizeSamples: 1 bTemporalCompression: 0 lSampleSize: 1572864 cbFormat: 88

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  • Creating Tables in DocuWiki

    - by Bryan
    I'm trying to create a table in DokuWiki, with a cell that vertically spans, however unlike the examples in the syntax guide, the cell I want to create has more than one row of text. The following is an ASCII version of what I'm trying to achieve +-----------+-----------+ | Heading 1 | Heading 2 | +-----------+-----------+ | | Multiple | | Some text | rows of | | | text | +-----------+-----------+ I've tried the following syntax ^ Heading 1 ^ Heading 2 ^ | Some text | Multiple | | ::: | rows of | | ::: | text | but this generates the output +-----------+-----------+ | Heading 1 | Heading 2 | +-----------+-----------+ | | Multiple | | +-----------+ | Some text | rows of | | +-----------+ | | text | +-----------+-----------+ I can't find anything in the DokuWiki documentation, so I'm hoping I'm missing something fundamentally simple?

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  • joining text files with 600M+ lines

    - by dnkb
    I have two files huge.txt and small.txt. Huge has around 600M rows and it's 14Gigs, each line has four space separated words (tokens) and finally another space separated column with a number. Small has 150K rows with a size of ~3M, a space separated word and a number. Both Files are sorted using the sort command, with no extra options. The words in both files may include apostrophes (') and dashes (-). The deisred output would contain all columns from the huge.txt and the second column (the number) from small txt where the first word of huge.txt and the first word of small.txt match. My attemtpts below failed miserably with the following error: cat huge.txt|join -o 1.1 1.2 1.3 1.4 2.2 - small.txt > output.txt join: memory exhausted What I suspect is that the sorting order isn't right somehow even though the files are pre-sorted using: sort -k1 huge.unsorted.txt > huge.txt sort -k1 small.unsorted.txt > small.txt Problems seem to appear around words that have apostrophes (') or dashes (-). I also tried dictinoary sorting using the -d option bumping into the same error at the end. I see two ways out of this but don't know how to implement any of them. 1) Any tips how to sort the files in a way that the join command considers them to be sorted properly? 2) I was thinking of calculating MD5 or some other hashes of the strings to get rid of the apostrophes and dashes, and do the sorting and joining with the hashes instead of the strings themselves an dat the "translate" back the hashes to strings, but leave the numbers intact at the end of the lines. Since there would be only 150K hashes it's not that bad. What would be a good way to calculate individual hashes for each of the strings? Some AWK magic? See file samples at the end. Thank you! sample of huge.txt had stirred me to 46 had stirred my corruption 57 had stirred old emotions 55 had stirred something in 69 had stirred something within 40 sample of small.txt caley 114881 calf 2757974 calfed 137861 calfee 71143 calflora 154624 calfskin 148347 calgary 9416465 calgon's 94846

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  • What process is making that sound?

    - by harschware
    My Windows 7 system makes an intermittent ding sound (like a single chime, or bell). I don't know which process does it. So, my question is: Is there software out there that can tell me which processes are currently sending output to the sound device?

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  • cut text from each line in a txt file

    - by bboyreason
    i have a text file where each line looks like this: <img border=0 width=555 height=555 src=http://websitelinkimagelinkhere> each line is like that for like 1500 lines, i want to sort of 'grep' (i dont think that will work because it returns the whole line) each line for 'http://websiteimagelinkhere' output file should have newlines or tabs after each image link, like the original file. or if someone only knows a way to do this with each element being in a cell of the same column that would be okay too.

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  • Windows 7 sound control is not flexible.

    - by jon
    I would like to be able to listen to music on both of two audio output devices, but Windows 7 seems to only allow me to select one or the other as the Default device. When device A is the Default device, device B is muted; and vice versa. This seems to be stunningly inflexible. Since Windows 7 is unable to do this, can anyone recommend any add-on software that would control the hardware more flexibly and thoughtfully?

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  • Does such beast exist

    - by ggonsalv
    I know of whoami.exe. Is there a version called whereami.exe The output should be able to tell me if I am on a LAN, wireless or VPN. the machines would be running Windows Xp or better.

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  • Mass Checksumming tool for Windows?

    - by Daniel Magliola
    Hi, I'm looking for a command line tool for windows that will go over a directory tree (recursively) and output a list of all the files in there, and a checksum for each file (can be CRC, MD5, whatever). Esentially, what I want is to compare 2 big directory trees in 2 machines. I'm planning to take the outputs of running this tool in both, and diffing them to make sure they're identical. I appreciate any ideas.

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  • cannot find java even though it is there (ubuntu 12.04)

    - by Jeff Storey
    I'm trying to just execute the java command and it's saying it cannot be found, even though it is there. Here's what my output looks like root@oneiric:/usr/lib/jvm/default-java/bin# ls -al java -rwxrwxrwx 1 uucp 143 5750 2012-09-20 11:14 java root@oneiric:/usr/lib/jvm/default-java/bin# ./java -su: ./java: No such file or directory So the ls shows it's there, but it doesn't seem to execute. Can someone explain why this is?

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  • iptables rule for forwarding outbound traffic

    - by Claudiu
    I am trying to forward the outbound traffic to another server. Current rule is: /sbin/iptables -A OUTPUT -p tcp -s localhost -o 91.xxx.xxx.xxx --dport 65000:65010 -j ACCEPT but when I do a iptables -L, the rule its showed like this: ACCEPT tcp -- localhost.localdomain anywhere tcp dpts:65000:65010 So I guess my rule is bad written since the "destination" column shows "anywhere" Can you help me with this?

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  • How to skip one folder with 7zip [closed]

    - by SoMoS
    Hello, I have to extract a file from commandline with 7zip (or other free zip application) with the next structure: MAIN_DIR\ ---a ---b ---SUBDIR\ ---c I need the output structure to be the same but skipping the first folder so I end with: ---a ---b ---SUBDIR\ ---c Can this be done with 7zip or other free commandline zip extractor? Thanks in advance.

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  • how to know if a video file can be played on a dvd player

    - by user23950
    Is there an application that can emulate a dvd player? I've converted a .mp4 video using allok video converter. And choose the output format to be xVid(.avi)<--that is exactly what is written on the application. I don't want to waste a blank dvd and try if it really can be played. So if you have tried this before please tell me if it works. And I have tried burning .avi files and it works because they are genuine avi files which I did not convert

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  • Possible DVI Spliter Issues?

    - by Kurru
    Hi I am thinking about buying a DVI splitter cable online and a DVI- HDMI adapter. Can i use these to clone my monitors output so one can go to my monitor, and the other to my projector? Can anyone think of any issues with using the adapter like this? Would there be problems with signal lose or anything? Thanks

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  • Is it possible to run several virtual machines each with independent mouse+keyboard on a single PC?

    - by chiurox
    My goal is to instead of buying 4 separate basic PCs (plus the obvious peripherals), buy just one fast PC and the peripherals. I'm wondering if I can use a more powerful computer, say, one with core i7 and plenty of RAM, with 2 video cards (total of 4 monitor outputs) to run 4 or more virtual machines (WinXPs) so instead of having 4 individual machines, I'll be having just one. However, the catch is, is it possible to have a pair of mouse and keyboard + input/output audio for each of these virtual machines?

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  • Google Chrome 20 fails to start in ubuntu 12.04

    - by criziot
    Several days ago Google Chrome stoped working after an update. If I start it in the terminal I can see the following output: [6:6:4528137750:FATAL:sandbox_init_linux.cc(378)] prctl(PR_SET_NO_NEW_PRIVS) failed: Invalid argument Any idea how to solve this? Chrome version: 20.0.1132.47 Ubuntu: 12.04 x64 Kernel: 3.2.0-21-generic #34-Ubuntu EDIT: It is possible to start chrome with --no-sandbox switch.

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  • Stereo mix causing inaudible input in XP?

    - by jsnlxndrlv
    I'm trying to record some of my work process in Camtasia using the stereo mix input. However, my headset microphone is quiet at the best of times, and no matter what combination of input and output volume settings I use, my voice is consistently inaudible. Know of a good fix for this? Should I be looking for a decent audio mixer--and if so, do you know of one that's as effective as it is free?

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  • how can I give openvpn clients access to a dns server (bind9) that is located on the same machine as the openvpn server

    - by lacrosse1991
    I currently have a debian server that is running an openvpn server. I also have a dns server (bind9) that I would like give allow access to by the connected openvpn clients, but I am unsure as of how to do this, I already known how to send dns options to the clients using push "dhcp-option DNS x.x.x.x" but I am just unsure how give the clients access to the dns server that is located on the same machine as the vpn server, so if anyone could point me in the right direction I would really appreciate it. Also in case this would have anything to do with adding rules to iptables, this is my current configuration for iptables # Generated by iptables-save v1.4.14 on Thu Oct 18 22:05:33 2012 *nat :PREROUTING ACCEPT [3831842:462225238] :INPUT ACCEPT [3820049:461550908] :OUTPUT ACCEPT [1885011:139487044] :POSTROUTING ACCEPT [1883834:139415168] -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE COMMIT # Completed on Thu Oct 18 22:05:33 2012 # Generated by iptables-save v1.4.14 on Thu Oct 18 22:05:33 2012 *filter :INPUT ACCEPT [45799:10669929] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [45747:10335026] :fail2ban-apache - [0:0] :fail2ban-apache-myadmin - [0:0] :fail2ban-apache-noscript - [0:0] :fail2ban-ssh - [0:0] :fail2ban-ssh-ddos - [0:0] :fail2ban-webserver-w00tw00t - [0:0] -A INPUT -p tcp -m multiport --dports 80,443 -j fail2ban-apache-myadmin -A INPUT -p tcp -m multiport --dports 80,443 -j fail2ban-webserver-w00tw00t -A INPUT -p tcp -m multiport --dports 80,443 -j fail2ban-apache-noscript -A INPUT -p tcp -m multiport --dports 80,443 -j fail2ban-apache -A INPUT -p tcp -m multiport --dports 22 -j fail2ban-ssh-ddos -A INPUT -p tcp -m multiport --dports 22 -j fail2ban-ssh -A INPUT -i tun+ -j ACCEPT -A INPUT -i eth0 -p tcp -m tcp --dport 3306 -j ACCEPT -A FORWARD -i tun+ -j ACCEPT -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT -A fail2ban-apache -j RETURN -A fail2ban-apache-myadmin -s 211.154.213.122/32 -j DROP -A fail2ban-apache-myadmin -s 201.170.229.96/32 -j DROP -A fail2ban-apache-myadmin -j RETURN -A fail2ban-apache-noscript -j RETURN -A fail2ban-ssh -s 76.9.59.66/32 -j DROP -A fail2ban-ssh -s 64.13.220.73/32 -j DROP -A fail2ban-ssh -s 203.69.139.179/32 -j DROP -A fail2ban-ssh -s 173.10.11.146/32 -j DROP -A fail2ban-ssh -j RETURN -A fail2ban-ssh-ddos -j RETURN -A fail2ban-webserver-w00tw00t -s 217.70.51.154/32 -j DROP -A fail2ban-webserver-w00tw00t -s 86.35.242.58/32 -j DROP -A fail2ban-webserver-w00tw00t -j RETURN COMMIT # Completed on Thu Oct 18 22:05:33 2012 also here is my openvpn server configuration port 1194 proto udp dev tun ca ca.crt cert server.crt key server.key dh dh1024.pem server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt keepalive 10 120 comp-lzo user nobody group users persist-key persist-tun status /var/log/openvpn/openvpn-status.log verb 3 push "redirect-gateway def1" push "dhcp-option DNS 213.133.98.98" push "dhcp-option DNS 213.133.99.99" push "dhcp-option DNS 213.133.100.100" client-to-client

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  • linux shell utils: convert a list of hex to list of decimals

    - by osgx
    Hello How can I convert a file with a lot hex numbers into the decimal? Example: file1 0x59999 0x5acdc 0xffeff I want to start $ cat file1 | util | cat file2 and get file2 with smth like 1021489 1249230 3458080 (numbers in example output are random, as I cant convert so long hex to dec) Upd: perl : perl -pe '$_=hex;$_.="\n"'. Can anybody do it better? The real task is a sorting of hex numbers.

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  • forward outbound traffic rule

    - by Claudiu
    I am trying to forward the outbound traffic to another server. Current rule is: /sbin/iptables -A OUTPUT -p tcp -s localhost -o 91.xxx.xxx.xxx --dport 65000:65010 -j ACCEPT but when I do a iptables -L, the rule its showed like this: ACCEPT tcp -- localhost.localdomain anywhere tcp dpts:65000:65010 So I guess my rule is bad written since the "destination" column shows "anywhere" Can you help me with this?

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