Re: [CentOS] Wheel and YUM!!

[James Corteciano]

Hi Harry,

Try to implement sudoers and add the group "wheel" inside from it (you can
modify it from /etc/sudoers or using visudo command). In that way, all your
users can use yum command.

Cheers,
-james

On Fri, Jun 27, 2008 at 12:51 PM, Harry Sukumar <[EMAIL PROTECTED]>
wrote:

>  Dear All
>
>
>
> I am trying to allow a local user on the centos machine to be able to run
> yum
>
>
>
> What I have done is added him to the wheel group so that he can run
> software, basically it's his own machine if he breaks it it's his problem
>
>
>
> But even after adding him to wheel, sys and adm group he is unable to
> install using yum
>
>
>
> I am sure I must be missing something or I must be doing something wrong,
>
>
>
> Many Thanks
>
>
>
> Harry
>
>
>
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[CentOS] How to boot netinstall.iso linux in Xen guest domU

[James Corteciano]

Hi All,

How to call the downloaded bootable /data/centos/netinstall.iso file in my
guest domU file to boot for network installation? Please correct this line
if it is wrong.

disk = [ 'file:/data/centos/netinstall.iso,cdrom,r',
'phy:/dev/server/xerv2-disk,xvda,w',  'phy:/dev/server/xerv-disk,sda1,w' ]
memory = '128'
name = 'test-machine'
vif = [ 'bridge=xenbr0' ]

Thanks,

James
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[CentOS] NFS - Permission Denied

[James Corteciano]

Hi All,

This is the settings of my NFS server (192.168.10.55)

/etc/exports:
   /nfs/iso
192.168.10.0/255.255.255.0(rw,sync)

>From the remote host, I mount it correctly. But when I write/create
files/directory inside the mounted nfs directory (from /nfs/test), it will
give me "Permission Denied".

[r...@remote]# mount -t nfs 192.168.10.55:/nfs/iso /nfs/test
[r...@remote]# mkdir /nfs/test/testing
mkdir: cannot create directory `testing': Permission denied

Hope anyone could help me to fix this.

Thank you.

Regards,
James
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Re: [CentOS] NFS - Permission Denied

[James Corteciano]

Hi Boris,

[r...@server]# ls -ld /nfs/iso

drwxrwx--- 2 root apache 4096 Jun 18 00:46 /nfs/iso

Regards,
James

On Fri, Jun 18, 2010 at 12:36 AM, Boris Epstein wrote:

> On Thu, Jun 17, 2010 at 12:17 PM, James Corteciano
>  wrote:
> > Hi All,
> >
> > This is the settings of my NFS server (192.168.10.55)
> >
> > /etc/exports:
> >/nfs/iso   
> > 192.168.10.0/255.255.255.0(rw,sync)<http://192.168.10.0/255.255.255.0%28rw,sync%29>
> >
> > >From the remote host, I mount it correctly. But when I write/create
> > files/directory inside the mounted nfs directory (from /nfs/test), it
> will
> > give me "Permission Denied".
> >
> > [r...@remote]# mount -t nfs 192.168.10.55:/nfs/iso /nfs/test
> > [r...@remote]# mkdir /nfs/test/testing
> > mkdir: cannot create directory `testing': Permission denied
> >
> > Hope anyone could help me to fix this.
> >
> > Thank you.
> >
> > Regards,
> > James
> >
> >
> >
> >
> > ___
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> >
> >
> James,
>
> On the server, who owns /nfs/iso? What are the permissions on that
> directory?
>
> Boris.
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[CentOS] umask not functioning with cp command

[James Corteciano]

Hi all,

$ umask 0002
$ mkdir test
$ ls -ld test
drwxrwxr-x 2 user user 4096 Jun 23 19:04 test/

$ls -ld content
drwxr-xr-x 2 user user 4096 Jun 23 19:29 content

$ cp -r content test/
$ls -ld test/content
drwxr-xr-x 2 user user 4096 Jun 23 19:29 content

My question is, how can I make content directory permission mode to 775 if I
do cp inside the test directory?

Thanks.

Regards,
James
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Re: [CentOS] Antwort: umask not functioning with cp command

[James Corteciano]

Hi Andreas,

I try the following command and the test/content directory is still in 755
mode.

$ cp -a -dpR content/ test/
$ ls -l test/
drwxr-sr-x 2 user user 4096 Jun 23 19:28 content

Regards,
James


On Wed, Jun 23, 2010 at 7:37 PM, Andreas Reschke <
andreas.resc...@behrgroup.com> wrote:

> centos-boun...@centos.org wrote on 23.06.2010 13:31:56:
>
> > James Corteciano 
> > Gesendet von: centos-boun...@centos.org
> >
> > 23.06.2010 13:32
> >
> > Bitte antworten an
> > CentOS mailing list 
> >
> > An
> >
> > CentOS mailing list 
> >
> > Kopie
> >
> > Thema
> >
> > [CentOS] umask not functioning with cp command
> >
> > Hi all,
> >
> > $ umask 0002
> > $ mkdir test
> > $ ls -ld test
> > drwxrwxr-x 2 user user 4096 Jun 23 19:04 test/
> >
> > $ls -ld content
> > drwxr-xr-x 2 user user 4096 Jun 23 19:29 content
> >
> > $ cp -r content test/
> > $ls -ld test/content
> > drwxr-xr-x 2 user user 4096 Jun 23 19:29 content
> >
> > My question is, how can I make content directory permission mode to
> > 775 if I do cp inside the test directory?
> >
> > Thanks.
> >
> > Regards,
> > James
> >
> > ___
> > CentOS mailing list
> > CentOS@centos.org
> > http://lists.centos.org/mailman/listinfo/centos
>
> Hi James,
> in this case, you must copy with cp -p (or better -a same -dpR) to preserve
> all atributes.
>
> man cp
>
> Gruß
> Andreas Reschke
> 
> BG-IM173
> Unix/Linux-Administration
>
> Behr GmbH & Co. KG
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[CentOS] Open source tool like CPanel

[James Corteciano]

Hi All,

Any could suggest open source tool like CPanel that could do the following?

-User access control
   *user will be able to modify specific virtual host config file. Example
is /etc/httpd/conf.d/domain.com.conf
   *user will be able to upload files to the specific webroot (example only
/var/www/vhosts/domain.com)
   *user will be able to access MySQL server with can do create
database,upload database, etc...

I tried the webmin but it can't allow to set user to do modify specific
virtual host config files and upload files to the specific webroot assigned
by the admin/root.

Hope anyone could help me out.

Thanks

James
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[CentOS] How to Retain Ownership on webdir

[James Corteciano]

Hi,

I have this webroot /webdir/ with 2775 permission so that any created
file/directory by apache inside of /webdir/ will be 'users:webusers'.
However, I noticed when the apache created a new files (fileB) / directories
(dirB), the ownership becomes 'apache:apache' and the sgid has gone for
/webdir/ (drwxrwxr-x). I'm currently using Wordpress.

[before]
drwxrwsr-x  users webusers /webdir/
drwxrwsr-x  users webusers /webdir/dirA
-rw-rw-r--  users webusers /webdir/fileA

[after]
drwxrwxr-x  users webusers /webdir/
drwxrwxr-x  apache apache /webdir/dirB
-rw-rw-r--  apache apache /webdir/fileB

Why the sgid bit doesn't reflected and the group as well? Has anyone knows
how to fix this?

Thanks.

Regards,
James
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[CentOS] SELinux restorecon does not work

[James Corteciano]

Hi All,

I have this following issue in SELinux. I did what instruction said but the
security context has still never changed. Do I need to create local SELinux
module? I hope anyone could help me out of this. Thank you.

---
# sealert -b

Summary:
SELinux is preventing postmaster (postgresql_t) "setattr" to ./db (etc_t).

Allowing Access:
Sometimes labeling problems can cause SELinux denials. You could try to
restore the default system file context for ./db,

restorecon -v './db'

If this does not work, there is currently no automatic way to allow this
access. Instead, you can generate a local policy module to allow this access
- see FAQ Or you can disable SELinux protection altogether. Disabling
SELinux protection is not recommended. Please file a bug report against this
package.


# ls -ldZ /etc//db
drwx--  postgres postgres user_u:object_r:etc_tdb

# restorecon -v /etc//db
# ls -ldZ /etc//db
drwx--  postgres postgres user_u:object_r:etc_tdb
---

Regards,
James
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[CentOS] How to log separate files or directories for centralizing SysLog server ?

[James Corteciano]

Hi All,

I have three server. server0 is centralized logging server, server1 and
server2 are remote client servers. How can I properly configure the syslog
in server0 to log the two servers in different separated files/directories.
Example, server1 will be logged at /var/log/syslog/server1.log of server0
and /var/log/syslog/server2.log for server2 as well. Is there need of little
tweaking for syslog.conf ?

Thanks.

James
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Re: [CentOS] How to log separate files or directories for centralizing SysLog server ?

[James Corteciano]

Hi Tomas,

I can't use syslog-ng because it's not included in RHEL package in DVD and
company policy not to use non-rpm. I can use rsyslog and found it's the same
config to syslog. Can I apply that rules in rsyslog?

Thanks.

James

On Mon, Apr 12, 2010 at 3:57 PM, Tomas Ruprich wrote:

> Hi James,
> i think much better for syslog server usage is syslog-ng. It has bit
> more difficult configuration for such a small network, but it brings
> much more functionalities.
>
> the simple ruleset for your needs could look like:
>
> source s_sys { unix-stream("/dev/log"); internal(); };
> source s_net { udp(); };
>
> destination d_net { file("/var/log/network/$HOST/$YEAR.$MONTH.log"
> owner(root) group(root) perm(0600) dir_perm(0700) create_dirs(yes)); };
>
> log { source(s_net); destination(d_net); };
> log { source(s_sys); destination(d_net); };
>
> Hope it helps,
> Tomas
>
>
> Mon, Apr 12, 2010 ve 03:49:53PM +0800, James Corteciano napsal:
> > Hi All,
> >
> > I have three server. server0 is centralized logging server, server1 and
> > server2 are remote client servers. How can I properly configure the
> syslog
> > in server0 to log the two servers in different separated
> files/directories.
> > Example, server1 will be logged at /var/log/syslog/server1.log of server0
> > and /var/log/syslog/server2.log for server2 as well. Is there need of
> little
> > tweaking for syslog.conf ?
> >
> > Thanks.
> >
> > James
>
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Re: [CentOS] How to log separate files or directories for centralizing SysLog server ?

[James Corteciano]

Hi Tomas,

It's working in rsyslog with applying the link you've given. Thanks. The
only thing that I am thinking now is how to make logrotate to automatically
compress those different directories/files in various hostnames logged in a
certain period of time. I can copy and modify manually the
/etc/logrotate.d/syslog to target those different hostname logged but is
there any settings needed to work it in logrotate.conf?

Thanks.

James

2010/4/12 Tomas Ruprich 

> Not that rules, but definetely it's possible with rsyslog.
> http://www.rsyslog.com/Article60.phtml
>
> Tomas
>
>
> Mon, Apr 12, 2010 ve 04:12:39PM +0800, James Corteciano napsal:
> > Hi Tomas,
> >
> > I can't use syslog-ng because it's not included in RHEL package in DVD
> and
> > company policy not to use non-rpm. I can use rsyslog and found it's the
> same
> > config to syslog. Can I apply that rules in rsyslog?
> >
> > Thanks.
> >
> > James
> >
> > On Mon, Apr 12, 2010 at 3:57 PM, Tomas Ruprich  >wrote:
> >
> > > Hi James,
> > > i think much better for syslog server usage is syslog-ng. It has bit
> > > more difficult configuration for such a small network, but it brings
> > > much more functionalities.
> > >
> > > the simple ruleset for your needs could look like:
> > >
> > > source s_sys { unix-stream("/dev/log"); internal(); };
> > > source s_net { udp(); };
> > >
> > > destination d_net { file("/var/log/network/$HOST/$YEAR.$MONTH.log"
> > > owner(root) group(root) perm(0600) dir_perm(0700) create_dirs(yes)); };
> > >
> > > log { source(s_net); destination(d_net); };
> > > log { source(s_sys); destination(d_net); };
> > >
> > > Hope it helps,
> > > Tomas
> > >
> > >
> > > Mon, Apr 12, 2010 ve 03:49:53PM +0800, James Corteciano napsal:
> > > > Hi All,
> > > >
> > > > I have three server. server0 is centralized logging server, server1
> and
> > > > server2 are remote client servers. How can I properly configure the
> > > syslog
> > > > in server0 to log the two servers in different separated
> > > files/directories.
> > > > Example, server1 will be logged at /var/log/syslog/server1.log of
> server0
> > > > and /var/log/syslog/server2.log for server2 as well. Is there need of
> > > little
> > > > tweaking for syslog.conf ?
> > > >
> > > > Thanks.
> > > >
> > > > James
> > >
> > > > ___
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>
> --
>
> S pozdravem
>
> Tomáš Ruprich
> systémový administrátor
>
> Ústav pro informační systém
> Mendelova univerzita v Brně
>
> Zemědělská 1 / 613 00 Brno
> telefon 545 132 885
> rupr...@uikt.mendelu.cz
> www.mendelu.cz
>
> [prostor pro logo]
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[CentOS] Logrotation with retention period

[James Corteciano]

Hi All,

How can it be done it logrotate configuration that I wanted to have the logs
in six (6) month retention period? I have the following logs and directories
of mysql.

[hostname]# ls /var/log/mysql/
2010.05.01/general.log
2010.05.01/error.log
2010.05.02/general.log
2010.05.02/error.log
2010.05.03/general.log
2010.05.03/error.log

Is it possible that the output after doing logrotate could be like the below
sample. All compressed logs will be keep until 6 months only. I know there
is man page / docs in internet but I can't get the exact configuration to
use.

[hostname]# ls /var/log/mysql/
2010.05.01.gz
2010.05.02.gz
2010.05.03.gz
2010.05.27/general.log
2010.05.27/report.log

Thank you.

Regards,
James
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