Discuss October 2010

discuss@lists.centos.org

256 participants
226 discussions

Password Expiry
by Manish Kathuria 18 Oct '10

18 Oct '10

Hello, Is there any command / option available on CentOS to expire a user's password immediately ? I remember using "passwd -e" on some other distribution but the -e option does not seem to be present on CentOS 5.x. Thanks, Manish

3 3

qemu-kvm segfaults on starting guests
by Negative 18 Oct '10

18 Oct '10

I have a Centos 5.5 on an AMD 64 system (Athlon II x2 250). I caught up on updates today, including -- kernel 2.6.18-194.17.1.el5 -- glibc 2.5-49.el5_5.5.i686 I have several guests that were working before the update, but now none of them will boot. With each attempt I get a message in /var/log/messages: -- kernel: qemu-kvm[xx]: segfault at 000000379fc0da11 rip 00002b9f2732283f rsp 00000000446a6e80 error 7 Has this happened to others? Any fix. I see similar bugreports, but they are not recent, and not quite like this. The closest thing I can find was on an nvidia list about vmware posted today -- so maybe this has something to do with needing to rebuild the nvidia drivers with every kernel update. Any ideas?

2 2

escape .c files to html code with bash how?
by Jozsef Vadkan 18 Oct '10

18 Oct '10

i need to encode .c files to html, like on this website: http://centricle.com/tools/html-entities/ i tried to write a bash script for it: http://pastebin.com/raw.php?i=mZKAw4c5 but it's not working very well :D does anyone has a script, that does this? thank you :\

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using a Laptop as a KVM console?
by Rudi Ahlers 18 Oct '10

18 Oct '10

Hi all, Has anyone seen something like this before: I want to use a laptop as a KVM console. Basically when a technician goes to one of our datacentres, or clients he has to look for a free LCD, keyboard & mouse to connect to a server (no network access, reinstall, troubleshoot failed kernel / HDD, etc). And then hopefully there's an open power socker in that cabinet. So I'm thinking why not just use a laptop instead? It already has an LCD, keyboard, mouse & power. Surely someone has, or may still, build something that could connect to the laptop's USB port(s) and then to the server's VGA & USB / PS2 ports, then act as a KVM? -- 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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Re: [CentOS] yum list updates error (Manish Kathuria)
by Ritika Garg 18 Oct '10

18 Oct '10

There was no proxy in the file /etc/yum.conf. I specified the proxy setting and now "yum list updates" is working. A part of the output was: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.01link.hk * updates: centos.01link.hk * addons: centos.01link.hk * extras: centos.01link.hk Updated Packages ImageMagick.i386 6.2.8.0-4.el5_5.2 updates ImageMagick.x86_64 6.2.8.0-4.el5_5.2 updates NetworkManager.i386 1:0.7.0-10.el5_5.1 updates Its written Updated Packages. Does this mean it has already updated? I thought that this command displays packages that need to be updated.

2 1

iptables: comprehensive tutorial for CentOS?
by Boris Epstein 18 Oct '10

18 Oct '10

Hello listmates, I know this may sound stupid... but I am trying to set up a firewall/filter/forwarder using CentOS 5.5 machine as a platform and I am succeeding but only partially. Fro example, I am literally trying to forward HTTP and HTTPS (TCP 80 and 443) from the public interface to a private IP and TCP 80 works like a charm whereas TCP 443 seems to be a no-go. To that effect: does anyone know of a comprehensive relevant manual? I mean, I must be doing something wrong here though I ain't sure what. Any advice and suggestions much appreciated. Boris.

2 2

Intel DP55WG centos 5.5 support?
by Coert Waagmeester 18 Oct '10

18 Oct '10

Hello all, I have looked around on the HCL and on other hardware sites. Do any of you have experience with Centos 5.5 64 bit on these motherboards? Regards, Coert Waagmeester

3 2

ip based acl at snmp v3?
by MontyRee 18 Oct '10

18 Oct '10

Hello, all. My system is centos 5.x and I would like to set IP based (acl) accessl-list at snmp verison 3. As I know, at snmp v1/v2c, we can set acl like below. ------ snmpd.conf -------- rocommunity public 127.0.0.1 rocommunity public 10.0.0.1/24 rouser testuser createUser testuser MD5 "passwords" DES --------------------------------------------------- But, how about snmp version 3? I searched and tried, but I could't find the answer. Surely, I can set hosts.deny or iptables, But I want to know how to set acl at snmpd.conf. Thanks in advance.

1 0

yum list updates error
by Ritika Garg 18 Oct '10

18 Oct '10

Before doing "yum update" on system which has CentOS5.3, I gave "yum list updates" but the following message comes: Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=os error was [Errno 4] IOError: <urlopen error (110, 'Connection timed out')> Error: Cannot find a valid baseurl for repo: base

3 2

ext4
by Jure Pečar 18 Oct '10

18 Oct '10

Hello, I see that ext4 is now available for CentOS 5.5 Is there any general opinion about it? Is it as good on 2.6.18 based kernels as it is good on newer kernels? -- Jure Pečar http://jure.pecar.org http://f5j.eu

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Discuss October 2010