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NAT from eth0:0 port 80 to lo port 8080?
by Jeff Potter 14 May '07

14 May '07

I'm stumped. We have a CentOS 4.4 box with something like the following IPs: eth0: 64.61.61.100 eth0:0 64.61.61.112 eth1: 10.0.0.100 lo: 127.0.0.1 (of course) We want requests to 64.61.61.112:80 to be NAT'ed to 127.0.0.1:8080. This seems like it should be really simple -- maybe the following? -- I've tried variants combining this rule with a POSTROUTING rule, tried dnat, snat, etc. -- but no luck. echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A PREROUTING -i eth0 -p tcp -m tcp -d 64.61.61.112 --dport 80 -j DNAT --to-destination 127.0.0.1:8080 The box's iptables are rather vanilla -- pretty much the standard "allow ssh, http" in (I added 8080 just to eliminate that as a possibility, too, even though 8080's only listened to on localhost). What am I missing? Thanks! best, Jeff

11 14

cups error 426 when accessing admin functions
by Dave 13 May '07

13 May '07

Hello, I've got a centos 5 machine running the latest cups rpm v1.2.4. I've included my config minus comments below. My problem is via a web browser i can access the / resource without a problem, but when either clicking on any admin function or direct browsing to an admin address /admin i get a message error 426 upgrade required and i'm told i have to connect to an https address of the same name. When either clicking on that address or direct browsing to it i am getting an error 404 page not found. This config worked previously in 1.22 so i am not sure where my issue is. I'd appreciate any help. Thanks. Dave. ServerName wserv.davemehler.net ServerAdmin dmehler26(a)woh.rr.com AccessLog /var/log/cups/access_log DataDir /usr/share/cups DefaultCharset utf-8 DefaultLanguage en DocumentRoot /usr/share/doc/cups-1.2.4 ErrorLog /var/log/cups/error_log LogFilePerm 0600 MaxLogSize 2000000000 LogLevel info MaxLogSize 10485760 PageLog /var/log/cups/page_log PreserveJobHistory Yes PreserveJobFiles No AutoPurgeJobs No MaxCopies 100 MaxJobs 500 MaxJobsPerPrinter 0 MaxJobsPerUser 0 MaxPrinterHistory 10 Printcap /etc/printcap PrintcapFormat BSD RequestRoot /var/spool/cups ServerBin /usr/lib/cups ServerRoot /etc/cups ServerTokens ProductOnly ServerCertificate /etc/cups/ssl/server.crt ServerKey /etc/cups/ssl/server.key User lp Group sys RIPCache 8m TempDir /var/spool/cups/tmp FilterLimit 0 Listen 127.0.0.1:631 Listen 192.168.0.4:631 HostNameLookups Off KeepAlive On KeepAliveTimeout 300 MaxClients 100 MaxClientsPerHost 0 MaxRequestSize 0 Timeout 300 Browsing Off BrowseProtocols cups BrowseAddress 192.168.0.255 BrowseShortNames Yes BrowseAllow from @LOCAL BrowseInterval 30 BrowseOrder allow,deny SystemGroup root <Location /> Order Deny,Allow Deny From All Allow From 127.0.0.1 Allow From 192.168.0.0/24 </Location> <Location /admin> Require group printer-admins AuthType Basic Order Deny,Allow Deny From All Allow From 127.0.0.1 Allow From 192.168.0.0/24 </Location>

1 0

Enhancing the mouse support
by Steve Berg 13 May '07

13 May '07

I've been looking around for info on how to enhance the mouse support in a newly installed CentOS5 system and all I've managed so far is to get more confused. It seems that the "evdev" driver is a necessary tool but to compile that requires an xorg SDK which I can't even find. I've probably used up more than my fair share of Google searches for the weekend on this one, thought I'd ask and see if (hopefully) I'm missing something truly obvious and simple. The end result I'm looking for is to be able to map the extra buttons on my trackball to whatever event I'd like it to do. So for instance there's an extra button next to my left mouse button that I'd like to map to a double click event.

1 0

CentOS 5 ssloooowww when network unavailable
by Bart Schaefer 13 May '07

13 May '07

This is undoubtedly an upstream issue, but ... I've been messing about with that hp pavilion trying to get wireless working. If I boot with the eth0 NIC plugged in, everything is blazingly fast -- GDM comes up in a few seconds, the Gnome startup splash screen barely has time to appear before it's gone again, shells pop up the instant I click Open Terminal. If I unplug the network and reboot, it all goes to hell. It takes several minutes for GDM to start, the splash screen sometimes lingers up to 10 minutes after the window manager is running, terminal windows take varying lengths of time from 2-15 minutes to open. It even takes 5-6 minutes to mount filesystems from the USB drive. Nothing unusual appears in "top"; gnome-system-monitor is one of the apps that takes forever to launch (to the point that I thought it had crashed), but it doesn't show anything odd either. No activity in the various /var/log files. Any ideas what could be causing this?

4 8

Screen blanks after initial setup (Centos 5)
by Itay 13 May '07

13 May '07

Hi, The installation process went without noticable problems; this is true to the setup phase immediately after the installtion. However: after pressing "Finish" in the Setup Agent the screen blanked on me - Ctrl-Alt-F1, Ctrl-Alt-F2, Ctrl-Alt-backspace, Ctrl-Alt-Del didn't help. Nada. Did someone else have encountered this? Any recommendations? Thanks in advance. System: Box Asus Pundit P1-AH2 Barebone CPU AMD Athlon 4600 Dual AM2 2.4GHz ,2x512KB Mem Kingston, 2 x 1GB DDR2 667MHZ Screen LG, Flatron, L1705sq -- Itay Furman <centos(a)nospammail.net> --

1 1

CentOS 5 and Broadcom wireless
by Bart Schaefer 13 May '07

13 May '07

I've got CentOS 5 installed on my hp pavilion ze 5300 laptop and the network configuration UI says my wireless NIC has been correctly identified and assigned what appears to be the right Broadcom device driver on eth1. However, the inteface doesn't come up. Google doesn't find anything recent about using Linux with Broadcom except for someone's passing remark that Ubuntu 7 beta seems to work with it successfully. Everything else points to using ndiswrappers and the Windows drivers. Am I stuck going that route? Has anyone successfully used wireless with the stock drivers? Has anyone who had experience with ndiswrappers in earlier versions of CentOS (which I haven't) gone through the effort to get it working on CentOS5? Clues, troubleshooting suggestions, etc. appreciated.

7 16

Anaconda doesn't support raid10
by Ruslan Sivak 13 May '07

13 May '07

So after troubleshooting this for about a week, I was finally able to create a raid 10 device by installing the system, copying the md modules onto a floppy, and loading the raid10 module during the install. Now the problem is that I can't get it to show up in anaconda. It detects the other arrays (raid0 and raid1) fine, but the raid10 array won't show up. Looking through the logs (Alt-F3), I see the following warning: WARNING: raid level RAID10 not supported, skipping md10. I'm starting to hate the installer more and more. Why won't it let me install on this device, even though it's working perfectly from the shell? Why am I the only one having this problem? Is nobody out there using md based raid10? Russ

13 92

performing binary upgrade centos 4 to 5
by Dave 13 May '07

13 May '07

Hello, I'm trying to take a box from 4.4 to 5.0 and doing it via binary yum upgrade. I'm following the procedure at: http://lists.centos.org/pipermail/centos-announce/2007-April/013660.html for taking a 4.x box to 5. I've removed any unneeded rpms, and confirmed the state of the system. I downloaded and installed centos-notes-5 and ran an rpm -Uvh centos-release-5 which worked. I imported the centos 5 gpg key and confirmed the status of my yum. Then i ran: yum upgade this didn't work, yum didn't recognize that as a valid option. Is that a mistype? Or is there another step i have to do? Thanks. Dave.

8 12

FUSE and/or NTFS on CentOS 5
by Bart Schaefer 12 May '07

12 May '07

Pointers? I found a .src.rpm for 2.6.0 and it compiles OK, but when I build ntfs-3g (which is what I really want) against the installed fuse-2.6.0 I still get a dependency failure installing the ntfs-3g RPM which says it wants fuse-2.6.3.

3 3

reading lvm
by Dave 12 May '07

12 May '07

Hi, I don't like to start messages out this way and this is my opinion but i'm really beginning to hate lvm. With that out of the way here's the situation. I have a centos 4.4 drive with two partitions on it, one an hd*1 partition former /boot ext3 partition, which i can read fine, but which doesn't have the data i want. I've got some data on an lvm volume /dev/hd*2 which contains two partitions within it's volume, the last one which i believe is swap and the first one which was a former / filesystem and has data on it i am trying to obtain. Using fdisk i can read that it's linux-lvm, but i can't get mount to read it. Any advice appreciated. Thanks. Dave.

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