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CentOS cutom kernel compilation
by Brijesh Shukla 08 May '07

08 May '07

Could any one let me know how can I compile & build CentOS kernel. In redhat Linux the kernel source ia available under /usr/src/linux But in CentOS i am getting two directories named as Kernels and redhat under /usr/src the directory /usr/src/redhat is having again four subdirectory without any contents name as BUILD, RPMS, SPECS, SRPM And /usr/src/kenrnels is having the the directory 2.6.9-42.EL-hugemem-i686, 2.6.9-42.EL-i686, 2.6.9-42.EL-smp-i686 I dig the directory source 2.6.9-42.EL-i686, when I am executing make command after make menuconfig, I am getting error as "include/asm-i386/asm_offsets.h -- no such file or directory.. I am not sure wheather i am doing the right operation? Could any body suggest me any How to or step by step guide for CentOS kernel compilation Thanks in advance Brijesh Shukla

4 3

Moving a Centos 5 install to another disk
by Robert Moskowitz 08 May '07

08 May '07

I want to get Centos 5 on my notebook, at minimal risk. I want to install it on a clean drive, make sure it 'works', the delete everything but /home (which is on a separate partition) from the Centos 4 drive and copy the Centos 5 over. Any 'caviats'? I would first tar up the Centos 4 stuff before putting my foot into it. To what extent do I need to have the same drive layouts? Is it enough that /boot and / are consistant (ie each is in its own partition). I am working with /home in a separate partition. Thanks for the help!

2 2

yum can't connect to mirrors
by Dave 08 May '07

08 May '07

Hello, I added rpmforge yum repo to my yum config and then the box couldn't connect to fetch updates. I added enabled=0 to rpmforge.repo as well as add-ons, contrib, and centosplus, but i'm still getting mirror errors. I believe i've got some file corruption somewhere, but i don't see where. I can't even fetch packages in updates now, keep getting connection refused msgs. Thanks. Dave. #yum install lynx Loading "installonlyn" plugin Setting up Install Process Setting up repositories Reading repository metadata in from local files primary.xml.gz 4% |= | 32 kB 00:07 ETA primary.xml.gz 21% |===== | 175 kB 00:14 ETA primary.xml.gz 100% |=========================| 175 kB 00:04 http://www.gtlib.gatech.edu/pub/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum Trying other mirror. http://mirrors.tiatera.com/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://dist1.800hosting.com/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://mirror.chpc.utah.edu/pub/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (101, 'Network is unreachable')> Trying other mirror. http://mirror.myriadnetwork.com/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://centos.omnispring.com/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://mirror.fast-serv.com/pub/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://centos.mirror.nac.net/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://updates.interworx.info/centos/5.0/os/i386/repodata/primary.xml.gz: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. http://mirrors.easynews.com//linux/centos/5.0/os/i386/repodata/primary.xml.…: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> Trying other mirror. Error: failure: repodata/primary.xml.gz from base: [Errno 256] No more mirrors to try. #cat rpmforge.repo # Name: RPMforge RPM Repository for Red Hat Enterprise 5 - dag # URL: http://rpmforge.net/ [rpmforge] name = Red Hat Enterprise $releasever - RPMforge.net - dag #baseurl = http://apt.sw.be/redhat/el5/en/$basearch/dag #mirrorlist = http://apt.sw.be/redhat/el5/en/mirrors-rpmforge mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge enabled = 0 protect = 0 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag gpgcheck = 1 #cat CentOS-Base.repo # CentOS-Base.repo # # This file uses a new mirrorlist system developed by Lance Davis for CentOS. # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever - Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 #released updates [updates] name=CentOS-$releasever - Updates mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… #baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 #cat /etc/yum.conf [main] cachedir=/var/cache/yum keepcache=1 debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest distroverpkg=redhat-release tolerant=1 exactarch=1 obsoletes=1 gpgcheck=1 plugins=1 metadata_expire=1800 # PUT YOUR REPOS HERE OR IN separate files named file.repo # in /etc/yum.repos.d #rpm -q yum yum-3.0.5-1.el5.centos.2

1 0

network interface cards with gig support
by Gregg 08 May '07

08 May '07

anyone know how to force network cards talk at gig speeds when all it wants to do is establish a connection at 100mbits root@host1 [/backup/cpbackup/daily]# mii-tool eth0: negotiated 100baseTx-FD, link ok eth1: negotiated 100baseTx-FD flow-control, link ok 01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11) Subsystem: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express Flags: bus master, fast devsel, latency 0, IRQ 169 Memory at dd100000 (64-bit, non-prefetchable) [size=64K] Capabilities: [48] Power Management version 2 Capabilities: [50] Vital Product Data Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable- Capabilities: [d0] Express Endpoint IRQ 0 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11) Subsystem: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express Flags: bus master, fast devsel, latency 0, IRQ 169 Memory at dd200000 (64-bit, non-prefetchable) [size=64K] Capabilities: [48] Power Management version 2 Capabilities: [50] Vital Product Data Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable- Capabilities: [d0] Express Endpoint IRQ 0 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel

3 3

Problems with LDAP
by Mário Gamito 08 May '07

08 May '07

Hi, I'm using OpenLDAP in CentOS 4.4 I'm trying to create a grou of users: # Grupos do TIM dn: ou=futebol,ou=accounts,dc=telbit,dc=pt objectClass: organizationalUnit description: Grupo de Futebol ou: futebol # Grupo do futebol dn: uid=futeboladas,ou=futebol,ou=accounts,dc=telbit,dc=pt objectClass: top uid: futeboladas objectClass: groupOfNames cn: Futeboladas member: uid=mgamito,ou=tim,ou=accounts,dc=telbit,dc=pt member: uid=alopes,ou=tim,ou=accounts,dc=telbit,dc=pt member: uid=tmarto,ou=tim,ou=accounts,dc=telbit,dc=pt cn: Futebol as it is, with "uid: futeboladas" i get the error: "adding new entry "uid=futeboladas,ou=futebol,ou=accounts,dc=telbit,dc=pt" ldap_add: Object class violation (65) additional info: attribute 'uid' not allowed " If i remove the uid entry i get: "adding new entry "uid=futeboladas,ou=futebol,ou=accounts,dc=telbit,dc=pt" ldap_add: Naming violation (64) additional info: naming attribute 'uid' is not present in entry " The mind boggles :( Any help would be appreciated. Warm Regards -- :wq! Mário Gamito

2 1

4.5 Version
by Frank Büttner 08 May '07

08 May '07

Are there an release date for 4.5? Frank

10 13

Centos 5 and blutooth mouse
by Jerry Geis 08 May '07

08 May '07

I have an hp dv9000 laptop with centos 5. everything is working except my bluetooth mouse... I go up to the icon (upper right) for bluetooth, right click on it, click the discoverable icon, then click the discoverable button on my mouse - ----- and nothing. Nothing pops up with a pin number for the mouse, nothing happens at all... Does this not work? What might I be missing. Jerry

1 0

adsl-setup (compaq presario sr5010nx)
by gary 08 May '07

08 May '07

> I just bought a new cheap compaq presario sr5010nx and so far > have been unable to get my dsl up and running on Centos5. > pppoeconf on Ubuntu works just fine -- same machine -- same > harddrive. > > I've run adsl-setup and system-config-network? (separately) > numerous times without success. > > So far I suspect a missing driver but suppose it could also be a > detection issue. > > Suggestions or workarounds appreciated. ----gary > Alex White wrote: > What kind of dsl modem do you have? Is it a speedstream of some > sort or is it a 2wire variant? > What is the contents of /etc/ppp/pppoe.conf > The newer speedstream modems (if you can call them that) can retain > credentials. Have you tried connecting to it and seeing what > settings are in there? > Do you have /etc/sysconfig/network-scripts/ifcfg-ppp0 ? What is the > contents of that file? Have you tried a simple 'ifconfig ppp0 up'? > Try seeing the settings of your config via the main menu System > > Administration > Network. > Try this as well 'system-config-network' What does it mention (if>anything) about ppp0? > HTH > Alex White Alex - The Alcatel Speed Touch Home modem worked just fine with Centos5 on a different machine. Trying to activate sytem-config-network gives the following: /sbin/adsl-start: line 214: 3132 Terminated $CONNECT"$@" >/dev/null 2>&1 I have no /etc/ppp/pppoe.conf - not installed - having run adsl-setup after a fresh reinstall. /etc/sysconfig/network-scripts/ifcfg-ppp0: USERCTL=yes BOOTPROTO=dialup NAME=DSLppp0 DEVICE=ppp0 TYPE=xDSL ONBOOT=yes PIDFILE=/var/run/pppoe-adsl.pid FIREWALL=STANDALONE PING=. PPPOE_TIMEOUT=80 LCP_FAILURE=3 LCP_INTERVAL=20 CLAMPMSS=1412 CONNECT_POLL=6 CONNECT_TIMEOUT=60 DEFROUTE=yes SYNCHRONOUS=no ETH=eth0 PROVIDER=DSLppp0 USER=garys(a)mtaonline.net PEERDNS=no DEMAND=no I'll tinker with some these values and hope for success. ----gary

2 2

Raid5 issues
by Ruslan Sivak 08 May '07

08 May '07

So when I couldn't get the raid10 to work, I decided to do raid5. Everything installed and looked good. I left it overnight to rebuild the array, and when I came in this morning, everything was frozen. Upon reboot, it said that 2 of the 4 devices for the raid5 array failed. Luckily, I didn't have any data on it, but how do I know that the same thing won't happen when I have real data on it? I kind of feel that the problem might be that I'm using SATA drives, and they probably tried to self-correct and error and took too long, and the raid controller assumed that it was a bad drive, and took it out of the array. The question is, is there anything I can do about it? Russ

8 36

Installing from a custom kernel
by Ruslan Sivak 08 May '07

08 May '07

Since the built in kernel doesn't have the raid10 module for some reason, I would like to custom compile a kernel that does, and install with it. How would I go about doing this? Russ

6 7

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