Re: Offline update FAQ?

2016-03-02 Thread Tam Nguyen
Chris, what happen if you needed to add critical package right after you burn the DVD? Would you keep cooking more DVDs? Use a USB drive because it's more flexible. It allows you to copy, remove, and replace packages. Use command "rsync" for transfer and replace update package, but you can alway

Re: nvidia-xconfig: unrecognized option: "--twinview"

2014-09-19 Thread Tam Nguyen
Have you tried going to System --> Preferences -->Nvidia X Server Settings? On Fri, Sep 19, 2014 at 10:47 AM, James M. Pulver wrote: > I have a new SL6.5 install, with nvidia drivers installed for a quadro > 600 with 2 DVI out ports. I am trying to re-enable both monitors, using my > trusty: >

Re: do_IRQ?

2014-06-07 Thread Tam Nguyen
I had similar error on one of our nodes. My was a bug on the motherboard. The work around for me was to add a kernel-boot option to the grub-loader like so: 1. vim /etc/grub.conf 2. kernel .quiet *pci=nomsi,noaer* On Sat, Jun 7, 2014 at 11:47 PM, ToddAndMargo wrote: > Hi All, > > SL 6.5,

Re: Google chrome stable 28.0 installation problem

2013-07-02 Thread Tam Nguyen
Download Google rpm here: http://orion.lcg.ufrj.br/RPMS/myrpms/google/ then yum install the download rpm. -Tam On Tue, Jul 2, 2013 at 6:45 PM, Yasha Karant wrote: > Add/remove software shows: > > google-chrome-stable-28.0.**1500.70-209565 (x86_64) > > but installation results in a transactio

Re: NFS problem on "ls" command

2013-03-28 Thread Tam Nguyen
We ran into this issue couple of weeks ago. There is a ticket about this bug with the NFS v3+4. Our work around was to mount it with a different version of NFS. https://bugzilla.redhat.com/show_bug.cgi?id=736394#c13 is also referenced by http://bugs.centos.org/view.php?id=6241. -T On Thu, Mar

Re: SL6.3 NFS permissions problem -

2013-02-01 Thread Tam Nguyen
How did you mount it? did you try: >ntfs-3g /dev/xyz /new/mount/point? another way is in your /etc/fstab: /dev/xyz /new/mount/point ntfs-3g *rw* 0 0 -Tam On Fri, Feb 1, 2013 at 10:59 AM, Bob Goodwin - Zuni, Virginia, USA < bobgood...@wildblue.net> wrote: >I keep most of my data on an

Re: ssh returns "Permission denied (gssapi-keyex,gssapi-with-mic)."

2012-11-21 Thread Tam Nguyen
Hi Joe, Did you look at the sshd_config file? I ran into a similar error output but it may not necessarily be the same issue you're having. In my case, the sshd_conf file on one of my users machine was edited and renamed. I backup that file and copy a default sshd_config file, then test it. Good

Re: wireless USB again

2012-08-28 Thread Tam Nguyen
I have been using the same Hawking USB wireless Disk Adapter on my Scientific Linux. It worked fine. Google for the Hawking driver for Linux. It is out there. If you decided to get Hawking, let me know and I'll give you the driver. I believe I've it backup on my usb drive.

Re: Scientific Linux 6.3 i386/x86_64 is now available

2012-08-10 Thread Tam Nguyen
Your update command was wrong. Fix 63 to 6.3. Therefore, it should be: > yum --releasever=6.3 update#there is a dot(.) between the 6 and 3. On Fri, Aug 10, 2012 at 1:59 PM, Jon Brinkmann wrote: > On Fri, Aug 10, 2012 at 08:44:24AM -0500, Chris wrote: > > I had to do an upgrade, not a

Re: "cryptsetup luksOpen /dev/sdb1 lin-bak", but it disappears after I reboot

2012-08-04 Thread Tam Nguyen
Thanks Todd. -Tam On Fri, Aug 3, 2012 at 6:48 PM, Todd And Margo Chester < toddandma...@gmail.com> wrote: > On 07/31/2012 05:29 AM, Tam Nguyen wrote: > >> You are very welcome, Todd. >> Please share with us your finding. I would love to learn the mystery >>

Re: "cryptsetup luksOpen /dev/sdb1 lin-bak", but it disappears after I reboot

2012-07-31 Thread Tam Nguyen
ailto:toddandma...@gmail.com**>> wrote: >> >> On 07/30/2012 06:26 PM, Tam Nguyen wrote: >> >> Todd, >> let's keep it simple, get it right and work, then you can >> take off from >> there. So do th

Re: "cryptsetup luksOpen /dev/sdb1 lin-bak", but it disappears after I reboot

2012-07-30 Thread Tam Nguyen
>> # cryptsetup luksOpen /dev/sdb1 lin-bak >> >> but it disappears after I reboot. This messes up my >> crypttab/fstab. Any idea what I am doing wrong? >> >> Many thanks, >> -T >> > > > On 07/29/2012 06:15 PM, Tam N

Re: "cryptsetup luksOpen /dev/sdb1 lin-bak", but it disappears after I reboot

2012-07-29 Thread Tam Nguyen
Todd, Before you run mkfs, understand that your device sdb1 will be formatted(all previous data will be gone). So be VERY CAREFUL with mkfs On Sun, Jul 29, 2012 at 7:37 PM, Todd And Margo Chester < toddandma...@gmail.com> wrote: > Hi All, > > I can set up "/dev/mapper/lin-bak" with > >

Re: "cryptsetup luksOpen /dev/sdb1 lin-bak", but it disappears after I reboot

2012-07-29 Thread Tam Nguyen
Hi Todd, Did you create a file journal (mkfs...) after you executed the command?: > # cryptsetup luksOpen /dev/sdb1 lin-bak Basic steps are: 1) cryptsetup luksFormat /dev/xyz 2) cryptsetup luksOpen /dev/xyz abc <---then verify it in /dev/mapper 3) mkfs.ext4 /dev/mapper/abc <--- i like to

Re: LUKS and fstab question

2012-07-28 Thread Tam Nguyen
>> >> Be nice to be able to get the drive into my fstab. >> If not, how do I mount it from the command line? >> >> If I try to mount directly, I get >> >> # mount /dev/sdb1 /lin-bak >> mount: unknown filesystem

Re: LUKS and fstab question

2012-07-28 Thread Tam Nguyen
You need to map it in the file /etc/crypttab. You want to configure your /etc/crypttab file to look like this: lin-bak /dev/sdb1 On Sat, Jul 28, 2012 at 9:40 PM, Todd And Margo Chester < toddandma...@gmail.com> wrote: > Hi All, > > Xfce 4.8 > Scientific Linux 6.2, 64 bit > > I have just encr

Re: how do I disable background updates?

2012-07-09 Thread Tam Nguyen
Hi, please look into the directory /etc/cron.daily/ and see if there is a yum.cron file. Also, it's worth to investigate files in the directory /etc/yum.repo.d/. On Mon, Jul 9, 2012 at 7:03 PM, Todd And Margo Chester < toddandma...@gmail.com> wrote: > Hi All, > > According to /var/log/yum.log,

Re: sendmail questions

2012-05-17 Thread Tam Nguyen
Hi Eve, For question 2, you would want to look into the file /etc/postfix/generic. It has detail info and good examples.

Re: Whitelisting websites

2012-05-11 Thread Tam Nguyen
Hi Christopher, -You can ALLOW vs. DENY, REJECT using /etc/sysconfig/iptables rules. -You can also, in the httpd.conf file, under the directives *Order allow,deny*, you can specify allow or deny access to ip address To deal with DHCP or IPs change, you should research RARP on how to request IP ad

Nook color to Android + Linux distro

2012-05-11 Thread Tam Nguyen
Hi all, This is knowledge-share for anyone who has Android phone or tablet and interested in getting Linux distro onto your android phone or tablet. I just purchased a $150 Nook Color (ereader), jailbreak it, and got Android installed. With Android in place, install Linux with the Linux Installer

Re: 64-bit wine, recently broken multiarch deps?

2012-05-10 Thread Tam Nguyen
Hi, I ran into similar problem couple of months ago. This worked for me and hopefully for you too. Need this latest epel: Originally from here: https://fedoraproject.org/wiki/EPEL sub-link: http://linux.mirrors.es.net/fedora-epel/6/i386/repoview/epel-release.html

Re: new to scientific

2012-05-08 Thread Tam Nguyen
Hi, I think this is what you're looking for: https://www.centos.org/modules/newbb/viewtopic.php?topic_id=32993

Re: mount nfs server exit with time out error

2012-05-07 Thread Tam Nguyen
Btw, I just checked my old notes, which I copied and pasted below. Hopefully this will shed some light into your issue: >1. The server first checks its routing table to see which router >provides the next hop to the destination network. >2. If there is a valid router, let's say with

Re: mount nfs server exit with time out error

2012-05-07 Thread Tam Nguyen
Hi, please take a look at this: http://linux-ip.net/html/ether-arp.html good luck On Sun, May 6, 2012 at 12:46 PM, Matthias Hundertmark wrote: > Hi, > > I'm using Scientific 6.2 with kernel vmlinuz-2.6.32-220.13.1.el6.**x86_64 > and I can't mount a folder on nfs server. The server run well, the

Re: SL^ and NFS4 -

2012-05-03 Thread Tam Nguyen
You are very welcome, Bob. Glad that we can help. Please share with us if you experience any issue.

Re: SL^ and NFS4 -

2012-05-03 Thread Tam Nguyen
Hi, See the steps below. Please keep in mind this is very basic configuration just to get it up and running. Haven't cover authentication, ACL, SELinux, etc. install package $ yum install nfs-utils Add port 2049 $ vi /etc/sysconfig/iptables -A INPUT -p tcp --dport 2049 -j ACCEPT -A INPUT -p udp

Re: How do i change hostname?

2012-05-02 Thread Tam Nguyen
hen i reboot will i get the hostname as lappy or > that dhcppc stuff? > > > Regards, > Arnav Kalra > 104, Sector 14 > Karnal - 132001 > Mobile - +91 9896961018 > Home - +91 184 4030104 > > > > On Wed, May 2, 2012 at 11:04 PM, Tam Nguyen wrote: > >> If

Re: How do i change hostname?

2012-05-02 Thread Tam Nguyen
If you don't want to reboot your computer, then become root and type this: [arnav@dhcppc1 ~]$ hostname lappy then exit your terminal and open a new terminal. The actual file to change your hostname is: [arnav@dhcppc1 ~]$ vi /etc/sysconfig/network If you edited file /etc/sysconfig/network, then y

Re: problems SL-6 new install -

2012-04-29 Thread Tam Nguyen
ain. On Sun, Apr 29, 2012 at 5:02 PM, Bob Goodwin - Zuni, Virginia, USA < bobgood...@wildblue.net> wrote: > On 29/04/12 16:49, Tam Nguyen wrote: > >> Hi Bob, >> I just did a test-install yumex and xfce on my VM, and both packages >> installed successfully. What err

Re: new user

2012-04-14 Thread Tam Nguyen
Hi Carl, please go here: http://listserv.fnal.gov/scripts/wa.exe?SUBED1=scientific-linux-users&A=1 This is not a wiki but similarly in-line to your search: http://www.dedoimedo.com/computers/scientific-linux-repos.html a little deep into yum and rpm http://www.ibm.com/developerworks/linux/library

Re: iptables + vhost access

2012-04-11 Thread Tam Nguyen
nux Admin was working on a test Apache server. Most of the > configuration was done by him, but he left the company. I am picking > up the left behind. Coming from the Windows side, I am new to many > aspects of Linux. Still learning my rope. The Scientific Linux > community has bee

Re: iptables + vhost access

2012-04-11 Thread Tam Nguyen
e command: > > semanage fcontext -a -t httpd_sys_content_t public_html > > Here is my output error: > -bash: /usr/sbin/semanage: No such file or directory > > I went ahead and followed the rest of your tutorial. It worked!! > Does this mean I will have to re-configure SELinux after ev

Re: iptables + vhost access

2012-04-11 Thread Tam Nguyen
Not knowing the configuration of your httpd.conf file and the configuration of the local users' home directory, there is no direct answer. Therefore, my approach to your question is to give you a very basic setup, which would allow users to access files in their home's directory. You can base off

Re: iptables + vhost access

2012-04-09 Thread Tam Nguyen
Your question is not really clear me so I am interpreting it as 2 different questions. First, your iptables' syntax looks fine to me. Maybe someone in the forum will see something I may have missed. As for your HTTP configuration, the order is mismatch. Because you have: Order allow,deny > All

Re: network manager questions

2012-04-06 Thread Tam Nguyen
Hello Ken, please take a look at this article. http://kb.iu.edu/data/bbsr.html -Tam

Re: how to update scientific linux 6.1 to 6.2?

2012-04-04 Thread Tam Nguyen
Yes, that would also work. Thanks -Tam > > I just do this from a terminal. I added the sleep when I started seeing > one yum process blocking the next for a second or two. > > *for i in {a..z}**do* > *yum --releasever=6.2 -y update --skip-broken --nogpg ${i}\** > *sleep* 3*done* > > >

Re: how to update scientific linux 6.1 to 6.2?

2012-04-04 Thread Tam Nguyen
Hi Stephen, thanks for the link. That did it for me. About looping through the alphabet, I was ready to write a bash script. Luckily, my yum.repo didn't give me issue. -Tam On Wed, Apr 4, 2012 at 8:06 AM, Stephen Berg (Contractor) < stephen.berg@nrlssc.navy.mil> wrote: > On 04/04/2012 06:

Re: soft link for web vhost

2012-04-04 Thread Tam Nguyen
Hi Mike, zxq9 puts it best. Also, cross link could cause lots of headache when you have to do maintenance. Assuming this is not overwhelming volume of data, my approach would be to download the data onto my local server, secure it, then make soft-link. Another useful command regarding to your iss

Re: soft link for web vhost

2012-04-03 Thread Tam Nguyen
Hey Mike, congrat! zxq9's awesome rundown is a good start. Once you get the hang of SELinux mode, your server would be secured at least couple of notches. Just don't go crazy with "chconning", as zxq9 put it. For practice- setup a test VM. Happy SELinux![?] -Tam <<35C.png>>

Re: soft link for web vhost

2012-04-03 Thread Tam Nguyen
Mike, the link provided some clues, but you got to put them together. For example, in your vhost configuration, you need to have this parameter, which mentioned in the discussion: Options FollowSymLinks but that alone is not enough. If the original file is on your local server, then you need t

Re: mail server pop3

2012-04-02 Thread Tam Nguyen
t/%p, retr=%r/%b, del=%d/%m, size=%s >> >> # Maximum number of POP3 connections allowed for a user from each IP >> address. >> # NOTE: The username is compared case-sensitively. >> #mail_max_userip_connections = 3 >> # Space separated list of plugins to load (default is glob

Re: mail server pop3

2012-04-02 Thread Tam Nguyen
Hi, could you please give me output of the following files, run these commands: grep -v "^#" /etc/dovecot/conf.d/10-auth.conf grep -v "^#" /etc/dovecot/conf.d/20-pop3.conf Thanks Tam

Re: problem with libvpx dependency

2012-03-28 Thread Tam Nguyen
Hi there, you need rpmforge and GPG key. Here is the rpmforge: *For 64bits: http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm * For 32 bits * http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm * then import GPG key, run this command in