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IPTABLES --hitcount maximum value
by James B. Byrne 22 Dec '09

22 Dec '09

Is the maximum permitted value for --hitcount documented anywhere? I reliably get a iptables-restore error when I specify a hitcount value greater than 20 but I cannot find any mention of there being a maximum value. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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CENTOS 5.3 "kernel segfault at ..."
by mcclnx mcc 22 Dec '09

22 Dec '09

We have CENTOS 5.3 on DELL server. Recently I saw /var/log/messages have following pop-up: Dec 19 11:31:45 ORA2 kernel: oracle[18900]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fff8eff2c60 error 4 Dec 19 11:31:49 ORA2 kernel: oracle[18902]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007ffff5e12a80 error 4 Dec 19 11:31:53 ORA2 kernel: oracle[18904]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fff228684d0 error 4 Anyone know why? Thanks. ___________________________________________________ 您的生活即時通－溝通、娛樂、生活、工作一次搞定！ http://messenger.yahoo.com.tw/

3 2

routing with 2 ISPs
by David Hláčik 22 Dec '09

22 Dec '09

Hello guys, Sorry to bothering you. I had a small network with one ISP and firewall. eth1 -> Is connected to my ISP eth0 + eth0.1 , eth0.2 and etc are my local networks. All my network accesses internet via eth1. My routing table looks like the following : 213.194.242.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 10.123.20.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.123.10.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.123.11.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0.8 10.123.42.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0.5 10.123.123.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0.7 10.123.40.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0.4 10.123.30.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.123.44.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0.6 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0.8 0.0.0.0 213.194.242.1 0.0.0.0 UG 0 0 0 eth1 Recently I have added secon provider via ADSL. ADSL modem is connected via eth0.8 . Using adsl-setup I have created ppp interface ppp0. Now I want to achieve the following : Computers from local network range 10.123.123.0/24 (eth0.7) should access internet using my second internet provider via ppp0. I believe that for that I need to use advanced networking and iproute package. I will add the second routing table named "adsl" and configure routing via ppp0 there. Together with that i need to set in iptables , nat table to masquerade all ips going out via ppp0. I believe I need to use ip command for this. And the finally my questions are : 1) Is there a good tutorial / howto for using iproute on the internet, except of the LARTC.org 2) Can i utilize by tools of CentOS, to have my configuration (with second routing table, using ip ) somehow stored - to be permanent when I will do machine restart? I mean there are networking-scripts /etc/sysconfing/network-scripts which can handle, IP assigment, virtual LANS, aliases even static routes. Can they handle advanced routing as well? Thank you milion times. David Hlacik

3 4

xm mem-set on an F11 xen guest
by Scot P. Floess 22 Dec '09

22 Dec '09

I just tried to change the memory for my F11 xen guest from 512 to 1024. After executing: xm mem-set workstation 1024 xm list shows the memory still being 512. Anyone else see this behavior before? I tried other values as well - but the memory is still what it was when I created the VM... I'm running CentOS 5.4 on an i386... Scot P. Floess 27 Lake Royale Louisburg, NC 27549 252-478-8087 (Home) 919-890-8117 (Work) Chief Architect JPlate http://sourceforge.net/projects/jplate Chief Architect JavaPIM http://sourceforge.net/projects/javapim Architect Keros http://sourceforge.net/projects/keros

2 2

Munin CGI Graphs
by Joseph L. Casale 21 Dec '09

21 Dec '09

Anyone here running Munin w/ the CGI graphs? I must have missed something in the munin wiki as its creating the correct html, yet the only errors I get are apache suggesting it can't find the files for the png's? The cgi script has all the perl modules it requires installed. Thanks, jlc

3 4

scp copy remote files does NOT copy link?
by mcclnx mcc 21 Dec '09

21 Dec '09

We have CENTOS 5.3 on DELL servers. I tried to us following command to copy remote files system to local: scp -rp oracle@ORA2:/home/app/oracle/10.2 . After SCP finish copy, I found some files on source file system using "link" but on target file systems it change to "physical file". Does there has way scp not change "link" setup? Thanks. ___________________________________________________ 您的生活即時通－溝通、娛樂、生活、工作一次搞定！ http://messenger.yahoo.com.tw/

8 10

What determines default kernel after update?
by Les Mikesell 21 Dec '09

21 Dec '09

I have a 32-bit machine with 8 gigs RAM and was running the PAE kernel, but after the last update noticed that grub was set to default to the non-PAE version although both were installed. Does anyone know how boot default is supposed to be determined? -- Les Mikesell lesmikesell(a)gmail.com

2 3

disk at 101% - but it isn't
by Alan McKay 21 Dec '09

21 Dec '09

Hey folks, Is there any way to get this to report the proper values again? The disk did fill up but we removed a good 60G of data but it still shows full [root@price-two:/]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 131G -64Z 131G 101% / /dev/sda1 99M 9.7M 84M 11% /boot /dev/sdb1 269G 60G 196G 24% /data none 4.0G 0 4.0G 0% /dev/shm -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

2 1

minimal set of packages for gnome desktop
by Janez Kosmrlj 21 Dec '09

21 Dec '09

Does anybody know what is the minimal set of packages, you have to install, to make gnome desktop work.

2 1

Cannot see samba in win Neighborhood
by Matias Morawicki 21 Dec '09

21 Dec '09

Hello u all, sorry to bring this issue back again, but I´ve been searching and trying all the advices suggested in previous posts and I still can´t see the samba server in the win network neighborhood. I can see the samba shares from win via net view \\servername but if I issue a plain "net view" samba won´t show up. only the win machines, the same i can see on the Neighborhood... and when I select local master = no Samba would stay without master! I issue smbclient -L servername -U% and the master section remains empty. It´s like samba is not being able to "talk" to the rest of the workgroup. (of course they are all in the same workgroup) I´m using "wins support = yes" and I´ve set the DHCP to set the clients to use the samba server as wins server.I´ve checked the win clients and they get the correct conf. I´ve tried stopping iptables, disabling Selinux, different smb.conf from the simple examples of t first chapters of samba by example, to plenty of options... that´s why I´m not including my smb.conf, because I´ve tried many variations, always with the same results. I tried a basic samba configuration in a ubuntu server in another box just to test, anf the win clients were able to see it in the neigbohood... so I guess the issue is on my Centos box. I tried the same smb.conf from that working ubuntu-samba and didn´t make it on the Centos... Btw, the server is a Centos 5.3, with samba 3.2.15 (it also happened with the default samba, so I´ve upgraded just in case...) I hope someone can point me some directions... thanks in advance!! Matias

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