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perl code to remove newlines
by ken 31 Dec '10

31 Dec '10

Given an HTML file which looks like this: --------- begin snippet --------- <HTML ><HEAD ><TITLE >We've Lied to You…</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Maximum RPM" HREF="index.html"><LINK REL="UP" TITLE="Using RPM to Verify Installed Packages" HREF="ch-rpm-verify.html"><LINK ... --------- end snippet --------- I'm coding some perl to make it look something like this: --------- begin snippet --------- <html> <head> <title>We've Lied to You…</title> <meta name="generator" content="Modular DocBook HTML Stylesheet Version 1.79"> <link rel="HOME" title="Maximum RPM" href="index.html"> <line rel="UP" title="Using RPM to Verify Installed Packages" href="ch-rpm-verify.html"> <link .... --------- end snippet --------- I've hit a wall trying to remove all the newlines. I've tried it several ways... here's just one: --------- begin snippet --------- while (<$in>) { s/<(\w*\W)/<\L$1/g; # Downcase XXX in "<XXX". s/<\/(\w*\W)/<\/\L$1/g; # Downcase XXX in "</XXX". if(/^>/) # if this line starts with '>' { # then $curr = tell $in; # Note current file position, seek $in, $prev, 0; # go back to previous line, chomp; # remove its trailing newline char, seek $in, $curr, 0; # and reset position to current line. } else { $curr = tell $in; # Note current file position, seek $in, $prev, 0; # go back to previous line s/\n/ /; # Append a space, chop; # and then chomp. seek $in, $curr, 0; # and reset position to current line. } print; print $out; $prev = tell $in; # Location of previous line. } --------- end snippet --------- When I cat the output file, it looks like this: --------- begin snippet --------- GLOB(0x9fd587c)<htmlGLOB(0x9fd587c)><headGLOB(0x9fd587c)><titleGLOB(0x9fd587c)>We've Lied to You…</titleGLOB(0x9fd587c)><metaGLOB(0x9fd587c)NAME="GENERATOR"GLOB(0x9fd587c)CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><linkGLOB(0x9fd587c)REL="HOME"GLOB(0x9fd587c)TITLE="Maximum RPM"GLOB(0x9fd587c)HREF="index.html"><linkGLOB(0x9fd587c)REL="UP"GLOB(0x9fd587c)TITLE="Using RPM to Verify Installed Packages"GLOB(0x9fd587c)HREF="ch-rpm-verify.html"><linkGLOB(0x9fd587c).... --------- end snippet --------- The output I should say *is* all on one line, not line-wrapped the way you see it above. I have a hunch as to why there are the "GLOB(0x9fd587c)" thingies everywhere the newlines or spaces (' ') should be. If some expert here could explain them, that would be really good. More importantly though would be some instruction as to how to remove the newlines without creating all the GLOB(...) garbage. Might I have to rewrite the script so to open the file in binary mode... or what? Maximum thanks for your assistance.

7 11

Script Output Format
by Alejandro Rodriguez Luna 30 Dec '10

30 Dec '10

Hi all! i'm just did a script that the output must be comma separated to be imported into a spreadsheet. the output that i obteined was Date/Time,We. Active Threads,W. Total Threads,W. Worker Threads,Name 29-12-10/11:43:01,0,250,0,/FIM ,0,/mytest ,0,/mockofprod/financing/customercentre ,0,/mockofprod/financing/commercial/amt ,0,/account/orderstatus ,0,/activities as you can see, the first row it's ok, but the second and third, etc etc, are not formated. any ideas of how can i achive this? NOTE: the first three values are simple commands that i put in order, the fourth and fifth are from a file. this is part of the code. printf "%s,%d,%d" $DATE $WSAT $WSTT >> output.${STANZA}.txt for i in `cat jlist.${STANZA}.txt` do JUNCTION=${i} WSWJ=`pdadmin -a sec_master -p ${PASSWD} server task ${STANZA} show ${JUNCTION} | grep 'threads' | awk '{ print $4 }'` printf ",%d,%s\n" ${WSWJ} ${JUNCTION} >> output.${STANZA}.txt done ---------------------------------- Alejandro Rodriguez Luna Movil: 044-311-112-86-41 ----------------------------------

2 2

appliance to embed Centos
by Nataraj 30 Dec '10

30 Dec '10

I'm looking for some kind of appliance like box, maybe something like this:http://www.soekris.com/net5501.htm on which I could deploy iptables based firewall/openvpn/DNS and other local network services in a wide area network. I would probably install on a flash device. I would prefer something that was relatively easy to install on, or at least has been used with CentOS before, where I'm not needing to pull my hair out finding working drivers, building custom kernels etc. Though I might spend time down the road to come up with an extremely minimal install, for rapid deployment in the first round, I'd like to be able to do a pretty standard install and have a full featured CentOS system that I could logon to and use for local network administrative tasks. I could use something like a Mac mini, but my sense is there are are probably less expensive and more suitable devices. - Two ethernet interfaces - working drivers for CentOS - flash - enterprise quality (i.e. not some flakey little home router device) - fast enough to do openvpn encryption on WAN links ranging from 50mb to 100mb Though I do want enterprise quality, my sense is to make the device affordable enough that I could keep spares on site for backup purposes. I would appreciate anyones experience with deploying such a setup. Thanks, Nataraj

6 17

recursively count the words occurrence in the text files
by S Mathias 30 Dec '10

30 Dec '10

I just can't google for it: I'm searching for a "bash" "one liner" (awk, perl, or anything) for this: there are text files, in several directories: mkdir one mkdir two mkdir three echo "word1 word2 word3" > one/asf.txt echo "word2 word4, word5" > one/asfcxv saf.txt echo "word1. word2" > one/dsgsdg.txt echo "word6, word3!" > two/sdgsd dsf.txt echo "word6" > two/ergd.txt echo "asdf, word2" > three/werdf.txt echo "word7, word8 word9 word10" > three/qwerb erfsdgdsg.txt echo "word4 word3" > three/web erg as.txt so it does the magic* "recursively": $ SOMEMAGIC > output.txt cat output.txt asdf 1 word1 2 word2 4 word3 3 word4 2 word5 1 word6 2 word7 1 word8 1 word9 1 word10 1 $ *recursively count the words occurrence in the text files like: "word1 2" can anyone point to a howto/link? [re: i just can't google for it :\]

3 2

Re: [CentOS] Server unresponsive until reboot, memory exhausted
by james 30 Dec '10

30 Dec '10

>Do you have everything *else* updated? And what kind of web service >are you running? >There's a lot of third party freeware and commercial tools that was >not written with any kind of resource management in mind, and which >may require a simple web server restart on a regular baris to free >memory. (MusicBrainz: I remember porting MusicBrainz.....) Yes, all the packages are up to date. General web services -- static HTML, and the rest is mainly wordpress. You may be right about the restart, but I would like to know WHAT is crashing my web server regardless. We are not running any shiftily coded sites or apps on this server that I'm aware of (obviously something is shifty!). Is anyone aware of any other methods for drilling into the problem? >Look in /var/log/http/*. Yes, these are the web server logs I am referring to having checked. >Do you have a search engine scanning your web server? Hmm, no, nothing systematic. The usual crawlers out there but nothing we are doing. _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

5 4

What commands are available in recovery mode?
by Mark 30 Dec '10

30 Dec '10

I have a CentOS VM that I messed up and it now can't find /home (because it's gone), so it comes up in recovery mode. What can I do in recovery mode? It won't let me modify any files, which makes it hard to fix the fstab, so ...???

3 2

2 Ethernet cabling question
by S Mathias 30 Dec '10

30 Dec '10

Two questions that was not always clear for me [sorry for posting to this list :\]: ############################################################################################## Q1) when cabling, is the color order important? like: straight cabling: A side: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown B side: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown could be eg.: like this?? A side: white-orange, brown, white-blue, green, white-green, blue, white-brown, orange B side: white-orange, brown, white-blue, green, white-green, blue, white-brown, orange ############################################################################################## Q2) again cabling.. i know what is the color order of straight and crossover cabling. BUT: what are the color orders, when i need to create physically two separated networks? 568B; straight; nic to switch: A side: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown B side: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown ---------- 568A; crossover; nic to nic: [it's not so important about from ~2005]: switch the pairs: 1&2 with 3&6 on one side: A side: white-green, green, white-orange, blue, white-blue, orange, white-brown, brown B side: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown ---------- one cable, two straight networks: A side: I.: II.: B side: I.: II.: ---------- one cable, two crossover networks: A side: I.: II.: B side: I.: II.: ---------- one cable, one straight and one crossover network: A side [straight]: I.: II.: B side [crossover]: I.: II.: ---------- one cable, one crossover and one straight network: A side [crossover]: I.: II.: B side [straight]: I.: II.: ############################################################################################## Thank you for any pointings, links, or specific answers. Happy Christmas!

14 25

Re: [CentOS] Network communication between hosts
by derleader __ 29 Dec '10

29 Dec '10

Thank you for the reply. The data is not so much - CPU utilization, RAM utilization, List of installed software, list of users and so on. The information is not so much. What are the options for this task is there a C++ library that I can use to convert the data and then to transfer if via network? Regards Peter >> I need advice about developing C++ program. I need to develop 2 >> application which must communicate via network using SSL encryption. >> The problem is in which format to exchange the data. I can use XML >> format to exchange data between the hosts but a lot traffic will be >> generated. What are the usual practices to exchange data between the >> hosts? > >rather offtopic for this list. but... > >XML is about the most inefficient format imaginable, typically exploding >your data to many times its original size, especially if it has lots of >small fields > >what format is the data in now that you're exchanging? I'd want to use >something close to the native format of the data. if performance is >important, you'll want to transmit the data in binary as close to its >native format as possible. if its complex structured data such as is >often expressed in XML, you could look at defining a binary interchange >format with JSON or ASN.1, but I'd be more inclined to roll my own >simple binary message format since its just between your own two programs. > > > > >_______________________________________________ >CentOS mailing list >CentOS(a)centos.org >http://lists.centos.org/mailman/listinfo/centos >

4 3

Network communication between hosts
by derleader __ 29 Dec '10

29 Dec '10

Hi, I need advice about developing C++ program. I need to develop 2 application which must communicate via network using SSL encryption. The problem is in which format to exchange the data. I can use XML format to exchange data between the hosts but a lot traffic will be generated. What are the usual practices to exchange data between the hosts? Regards Peter

2 1

Problems with motherboard support? INTEL DP43BF
by robert mena 28 Dec '10

28 Dec '10

Hi, I've installed Centos 5.5 (plus updates) in a machine with INTEL DP43BF motherboard. In order to make Linux detect the PCIs I've added the pci=assign-busses in my GRUB conf. Everything runs fine but within less than 2 days of uptime the machine simply freezes (black console no connectivity). This has happened more than one time so I'm considering to be a problem. The memtest passed without a problem and the machine uses a compact flash (sandisk extreme III 4GB) as a disk. I could only find the error messages in my /var/log/messages but those appear hours before the actual lock. kernel: 0000:00:1a.7 EHCI: BIOS handoff failed (BIOS bug ?) 01010001 kernel: 0000:00:1d.7 EHCI: BIOS handoff failed (BIOS bug ?) 01010001 kernel: eth4: PCI Bus error a290. kernel: eth4: PCI Bus error 0290. kernel: eth3: PCI Bus error 2290. kernel: eth3: PCI Bus error 0290. Any tips?

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