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Text Proccessing script - advice?
by Roland RoLaNd 21 Dec '10

21 Dec '10

Hello, I have a log file with the following input: X , ID , Date, Time, Y 01,01368,2010-12-02,09:07:00,Pass 01,01368,2010-12-02,10:54:00,Pass 01,01368,2010-12-02,13:07:04,Pass 01,01368,2010-12-02,18:54:01,Pass 01,01368,2010-12-03,09:02:00,Pass 01,01368,2010-12-03,13:53:00,Pass 01,01368,2010-12-03,16:07:00,Pass My goal is to get the number of times ID has a TIME that's after 09:00:00 each DATE. That would give me two output. one is the number of days ID has been late, and secondly, the day and time this ID has been late . I've started as such: sort -t ',' -k 3,3 -k 4,4 file.log # this will sort the file according to the DATE field as well as the Time fileld. I'm stuck for the last 30 min to find a way to get the first line of each day (logically it'll be the earliest as i've sorted by date/time previously) once i know how to do this, i'll be able to compare time and proceed.. Can any one help ? i looked into sort - u and uniq -f3 though i didnt get far with it..

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CentOS 6
by m.roth＠5-cent.us 21 Dec '10

21 Dec '10

*sigh* I'm sitting here with my manager and the other admin, as they argue as to when CentOS 6 will be out. Anyone have a clue as to when? Are we getting close? mark

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Cloud demographics
by Christopher Chan 21 Dec '10

21 Dec '10

Please turn off troll detectors. Especially those with big automatic hammers. http://thecloudmarket.com/stats#/by_platform_definition Anybody 'extra' bandwidth from the 'Cloud'? Ubuntu installations currently trumps the combined numbers of Centos, Fedora and RHEL (not that using Centos/Fedora/RHEL guarantees secure installations) installations and I just wondered on that aspect. On another note, I wonder how big a change will take place in the demographics when Centos 6 'hits the streets'.

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SATA NCQ and Linux Software RAID
by Matt 20 Dec '10

20 Dec '10

Does SATA Native Command Queueing and Linux software RAID1 play well together or is it better to turn off NCQ when doing software RAID?

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Routing issue between 2 LANs
by Jose Maria Terry Jimenez 20 Dec '10

20 Dec '10

Hello All First, sorry by my poor english, hope you understand me :-) I have a problem, i don't understand or don't know how to solve I need to interconnect 2 networks with different numbers. One is 192.168.236.0/24 the other 192.168.1.0/24. Mainly i need to access services in the 236. from the 1. one. I have a CentOS 5.5 machine with 2 nics each one configured to work in one of the nets. The CentOS also uses a router for Internet access that is 192.168.1.1. 192.168.1.0/24 >-----192.168.1.100--[CentOS Machine]--192.168.236.74 --------< 192.168.236.0/24 So, i enable forwarding in the CentOS box echo '1' > /proc/sys/net/ipv4/ip_forward And in one machine of the 1. network (this is Fedora14) I add the route: route add -net 192.168.236.0 netmask 255.255.255.0 gw 192.168.1.100 dev eth0 Since this moment i can ping or access (ssh/http) another CentOS machine in the 236 network ping 192.168.236.74 PING 192.168.236.74 (192.168.236.74) 56(84) bytes of data. 64 bytes from 192.168.236.74: icmp_req=1 ttl=64 time=0.281 ms But can't access or ping other machines (NOT Linux ones), ie, printers, Win servers, etc... Also tried adding: route add 192.168.1.100 eth0 before the route add -net, but no efect. This fails even if i flush IPTables. In the CentOS box that replies, i did nothing, it 'just' works. Can anyone tell what is happening / help me with this? Something to do missing in the CentOS router that joins the networks? Best,

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httpd log weirdness
by Jason T. Slack-Moehrle 20 Dec '10

20 Dec '10

Hi All, I setup a new Centos 5.5 bod and it will be running a site for me. Apache is running and daily I get e-mailed a log from the box. The log today said: --------------------- httpd Begin ------------------------ Requests with error response codes 404 Not Found http://www.cablecarmuseum.org/Car42.jpg: 1 Time(s) ---------------------- httpd End ------------------------- But that is not my domain at all. How would this entry show up in my log? I ping'd the domain above and it does not resolve to the IP of the box or any of my IP's. Can anyone shed some light on this? Best, -Jason

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HR software use LDAP authentication
by sync 20 Dec '10

20 Dec '10

Hi , all : Is there any HR management software which used the LDAP authentication method in the linux? I used the orangeHRM tool , but found it did not have the LDAP authentication . So would anyone can give me some suggestions ? Thanks in advance.....

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How to strip out the title bar from xterm windows on CentOS 5 GNOME?
by Aleksey Tsalolikhin 20 Dec '10

20 Dec '10

Hi. Running CentOS 5 with the default GNOME desktop. Is it possible to configure xterm windows not to have title bars to get the most out of the available screenspace? I've tried to look this up but mostly find reference how to change the content of the title bar; I want to remove it completely. Found a reference to Compiz but the version available through CentOS seems old (0.0.13 compared to the current around 0.8 or 0.9) and having a double zero version number, I was afraid to use it. Best, -at

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Building packages using RPMBUILD
by Keith Roberts 19 Dec '10

19 Dec '10

I have been following the MaximumRPM guide from here: http://www.rpm.org/max-rpm-snapshot/index.html and it seems a bit dated, but still very good (if fact the best all round documentation I have found so far) on using RPM package manager, and how to build rpm packages. The guide tells me to use the original paths, yet Centos wiki says otherwise. [rpmbuilder@karsites sox]$ rpm -iv ./sox-12.18.1-1.src.rpm error: cannot write to %sourcedir /usr/src/redhat/SOURCES Is there a package I need to install and run to set things up corectly? I have created a user called 'rpmbuilder' under my home dir, and created the rpmbuild dirs under that. So what build dir shall I go for? Kind Regards, Keith Roberts -- In theory, theory and practice are the same; in practice they are not. This email was sent from my laptop with Centos 5.5

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how to install Linux on an IBM xserver 335 server without graphics card?
by Rudi Ahlers 19 Dec '10

19 Dec '10

Hi All, I recently got some IBM Xseries 335 servers 2nd hand, and noticed they don't have any graphics card. Some google searched indicate they only have an uplink port, which you could connect to another (other model) IBM server and use that as the head node. But, I don't have one available. It has 2x GB NIC's, and what looks like a management port, but I can't figure out how to use it. SSH & HTTP connections to it was futile. OR, it was assigned a dedicated IP, on a different subnet than ours but it's not written down anywhere so I don't know what IP to connect to. Does anyone know how to get Linux installed onto these devices? We have a PXE server in the office which I generally use for this setting up servers over the LAN, but they always have a VGA port. -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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