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Topics - osama.mansoor

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General Discussion / Access violations attempts
« on: February 02, 2017, 05:24:38 am »
Hi Experts/Members,

I am not much aware about LINUX bases operating system but as a AUDIT requirement i need to full fill following.

I am running Oracle Linux 6.5

Implement Access violations attempts (whether “Success or failure” and with “Success, failure”) over and “Linux OS”.

General Discussion / Network Card Communication issue
« on: December 26, 2016, 07:23:31 am »
Hi Experts,
I am new in linux OS.
I have installed Oracle Linux 6.4 on Hyper-V 3.0 (Windows Server 2012 R2) the linux system is failed to communicate other devices shows disconnected network.
I have configured LEGACY NETWORK DRIVER or NORMAL NIC configuration but nothing works
Please help me in this regard.

General Help & Advice / yum error
« on: November 03, 2016, 06:43:56 am »
i am getting this error.

[root@erptest ~]# yum -y install tigervnc-server
Loaded plugins: refresh-packagekit, security
Repository InstallMedia is listed more than once in the configuration
Setting up Install Process
No package tigervnc-server available.
Error: Nothing to do

please help me to solve

General Help & Advice / Machine Self Restart
« on: September 05, 2016, 11:33:32 am »
Hello Experts,

I have an "Oracle Unbreakable Linux 6.5" on which "Oracle EBS" is running due to some unknown reasons machine self restarted. I see all possible logs (See Attached JPEG File) but unable to sort out the real cause of issue.

General Discussion / Linux Machine Start Issues (FASTAB)
« on: June 02, 2016, 11:18:06 am »
Hi All,

I am using Oracle Linux 6.5. Due to BAD ENTRIES in FSTAB , when machine is trying to start FSTAB error occurred on startup and Linux machine is unable to login.

its ask me for ROOT password to enter in maintenance mode so when i enter in FSTAB it does not allow me to WRITE or make any changes.

General Discussion / Help Required for Gparted
« on: May 26, 2016, 11:49:09 am »
I am new in linux and stuck in a situation , i am trying to install & configure gparted on one of my linux machine to re-size disk its not working i just stuck at end of steps , i take help from below site.

I have already full fill all required pre-requites
[root@starwind gparted]# ls
AUTHORS     compose       COPYING-DOCS  gnome-doc-utils.make  HACKING  m4           po  data          gparted                 gparted.doap           help  README
ChangeLog   COPYING       doc              include  NEWS         src
[root@starwind gparted]# ./
checking for autoconf >= 2.53...
  testing autoconf2.50... not found.
  testing autoconf... found 2.63
checking for automake >= 1.9...
  testing automake-1.11... found 1.11.1
checking for libtool >= 1.4.3...
  testing libtoolize... not found.
***Error***: You must have libtool >= 1.4.3 installed
  to build gparted.  Download the appropriate package for
  from your distribution or get the source tarball at

[root@starwind gparted]# ./
-bash: ./ Permission denied
[root@starwind gparted]#

General Discussion / Echo Commands
« on: May 21, 2016, 08:11:04 am »
On One of machine i am trying to run below echo commands but null output is there any mistake in running these commands.


General Discussion / Resize Partition for dev/sda3
« on: May 20, 2016, 06:42:08 am »
Hi Experts,

I am new in linux world and trying to learn linux.

I have Linux based server on which Oracle Application running this is Virtual Machine and single VHDx file.Now i want to extend /dev/sda3 as its current available size is only 2 GB.

[oracle@apex ~]$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda2        38G  8.8G   27G  25% /
tmpfs           6.9G  1.8M  6.9G   1% /dev/shm
/dev/sda1       190M   55M  126M  31% /boot
/dev/sda3        29G   26G  2.0G  93% /d01
/dev/sda6       4.7G  9.9M  4.5G   1% /tmp

please find attached screen shot for df -h result

General Discussion / Zombie Process
« on: May 11, 2016, 08:11:45 am »
Now a Days i am in searching for a solution/culprit of  HIGH CPU UTILIZATION of my Oracle ERP (EBS 12) on Operating System Oracle Linux 6.5.
On Top command i can see that zombie process and major zombie process are

root      1404  0.0  0.0      0     0 ?        Z    May10   0:00 [ps] <defunct>
root      1520  0.0  0.0      0     0 ?        Z    06:48   0:00 [ps] <defunct>
root     59572  0.0  0.0      0     0 ?        Z    May10   0:00 [sh] <defunct>
root     59674  0.0  0.0      0     0 ?        Z    May10   0:00 [sh] <defunct>

i ran ps aux

attached is the result.

MY Question is are the Positive Zombies ? Are the reasons for HIGH CPU UTILIZATION.


General Help & Advice / Is bmc-watchdog Causing Unexpected Restart
« on: March 07, 2016, 08:19:47 am »
Hi All,

I am new in this forum,

My Oracle Linux Unbreakable 6.5 Machine restarted unexpectedly and randomly so friend check logs and ask me to stop "bmc-watchdog" as far my googling/research i found that "bmc-watchdog" is just a life saver for hung machine and for any reasons if server stuck it will automatically restarts.

Is it true ?

Any Comments

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