Oracle Linux is a Linux distribution derived from Red Hat Enterprise Linux
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10 views
RHN Clients Transaction Error Oracle Linux 6.1 Server to Desktop
I have inherited a vm with 6.1 oracle linux server install on it. I don't have a linux background, so mostly I have been googling answers. The first hurdle was to get network working. Next I was going ...
1
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0answers
20 views
Local Yum Repo Question
I built a local yum repository server via these instructions.
The local server is running Oracle Linux 7. I successfully configured a path for Oracle Linux 7 packages to be downloaded from ULN as I ...
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2answers
36 views
why /var/log/wtmp and /var/log/lastlog have read permission for other users? Is it necessary?
In my Linux server lastlog and wtmp files have read permission set for other users (664) . Do we really need to keep the read permission for other users or can I change it to (660 or 640) . Does it ...
0
votes
1answer
45 views
Error when creating new partition on /dev/sda, “No free sectors available”
My unix skills are very basic so please bare with me.
I have a VirtualBox Linux Guest (Oracle Enterprise Linux 6) and I recently expanded hard drive from 50Gb to 100Gb and then used GParted to ...
1
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0answers
24 views
Is it possible to rescan ttyACM ports?
I have two HP MSAs plugged into my Linux box, running OL-6.5. One in /dev/ttyACM0 and one in /dev/ttyACM1.
Occasionally, I need to restart these MSAs, but when I do restart it will sometimes get ...
2
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0answers
31 views
Why does BROADCAST need to be specified in ifcfg file
When configuring networking in RHEL 7, Cent OS 7, Oracle 7, etc...
The documentation suggests specifying IPADDR, NETMASK, and BROADCAST in the ifcfg-xxx file in /etc/sysconfig/network-scripts/.
Why ...
1
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0answers
28 views
Change port binding from 127.0.0.1 to 0.0.0.0 on Oracle Linux 6 (RHEL 6)
I need to expose my Rails port, which is port 3000.
I can see from netstat -ntlp that it is set up for only the local machine's users, i.e. 127.0.0.1. I need to change this to 0.0.0.0 but I am not ...
2
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0answers
33 views
Unable to resize filesystem on multipath device
I've encountered an issue with multipath storage. I've resized a LUN and have rescanned the system to account for it. Multipath recognizes the new size.
Before rescan:
mpathax (...
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0answers
158 views
how to start graphical user interface mode in oracle linux 7.2
I have gone through oracle's documentation here http://docs.oracle.com/cd/E52668_01/E54695/html/index.html but coundn't find a content where it states starting a gui in oracle linux. I have tried ...
0
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1answer
51 views
Oracle Linux 5: 21% received packet drop
This is what I'm seeing:
# netstat -i
Kernel Interface table
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg
bond0 1500 0 703449 0 147463 0 ...
2
votes
1answer
90 views
Why is Magic SysRq not enabled by default on some systems? Is there a risk?
While troubleshooting a Oracle Linux 6.3 server (RHEL Derivative) I tried to use some of the Magic SysRq Key commands for the first time. No such luck so I had to hard reboot. When it came back up I ...
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1answer
1k views
yum repolist shows status 0
I am working on Oracle Linux. I am trying to create a local repository and install RPM packages from there using yum install. I created a local repository and added a .repo file in the /etc/yum.repos....
0
votes
1answer
60 views
How to check what compression type an RPM package uses?
I recently realized that the RPM packages shifted from gzip-compression to xz-compression a few years ago. I need to check is the compression type of an RPM package that I have. I also need to check ...
0
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2answers
534 views
Unable to “yum install” RPM package from local repository (Oracle Linux)
I am working on Oracle Linux and trying to create a local repository. I managed to create a .repo entry which points to a directory in my system. The directory contains an RPM package.
But when I use ...
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0answers
102 views
NIC bonding using VirtualBox not working properly
I am trying to configure NIC bonding using a VirtualBox oracle environment. I enabled two network adapters from the VirtualBox interface and the machine is configured in Bridged mode. I configured the ...
1
vote
1answer
34 views
What network settings need to be changed in order to access my guest oracle linux pre-built VM from my host?
I just downloaded and successfully installed this oracle linux/database pre-built virtual machine.
I was successfully able to login as oracle/oracle user and view the desktop with the red-colored ...
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0answers
125 views
Impossible to send mail with Oracle Linux
I just installed sendmail on Oracle Linux and with mutt I would like to send an e-mail. In the local system I have the username user1; in the ISP mail account I have the address [email protected]....
1
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1answer
72 views
How to install less on Oracle Linux Server
Oracle Linux Server contains more utility, because it is smaller than less utility. How can one install less in this RPM based distro?
4
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0answers
258 views
Failed UDEV rules test on Oracle Linux 7
I wrote my UDEV rules, to configure asm devices as shown:
KERNEL=="sd?1", SUBSYSTEM=="block", PROGRAM=="/usr/lib/udev/scsi_id -g -u -d /dev/$parent", RESULT=="1ATA_VBOX_HARDDISK_VB40696d3c-4b65a1e9", ...
0
votes
0answers
139 views
Problems with dropps for bond0 (Bonding mode4: LACP)
I am experiencing a fairly high drop percentage (2.2%) on bond0 when configured with bonding mode 4. What I find strange is that the slave devices does not report this drop count.
The node is running ...
0
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3answers
164 views
rpm is installed / rpm is not installed issue
I've run into a bit of an issue with rpm on an Oracle Linux 6.5 box.
I installed an RPM, and it appears to have installed successfully. However, now I am trying to remove it, but rpm says it's ...
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0answers
382 views
Tiny Core Linux persistent home directory
I have a command line frugal install of Tiny Core and I want to have a persistent home directory, because the programs I run save results there.
I read the persistent option details and followed ...
0
votes
1answer
52 views
redhat + how to find the oracle JRE version 1.7 from redhat site
I am searching the JRE 1.7.x version from red-hat site by yum command
bot not find anything
yum list | grep java | grep "1.7" | grep -i jre
no such patch
or maybe redhat not hold JRE 1,7 patches?...
2
votes
3answers
76 views
A folder with d?????????? in the ls -l
I am running the EDG-12.2.1-Trn (CentOS 6.6 64-bit) VM on Virtual Box. This is the Oracle Database VM.
When I try sharing a folder, through VirtualBox, it shares successfully (automatically), and ...
3
votes
1answer
43 views
migrate all logical volumes (including swap and /) to a new disk
The current setup on my Oracle Linux Server release 5.8:
/dev/sda2 (30GB)
Logical volume /dev/VolGroup00/LogVol00 /
Logical volume /dev/VolGroup00/LogVol02 /home/app/oracle
Logical volume /...
0
votes
1answer
1k views
how to set static ip for guest OS on VirtualBox [duplicate]
My host is Ubuntu 12.04 and I have installed Virtual Box on it. Network setting of Virtual Box is NAT.
Then I have Oracle Enterprise Linux as guest.
Now I want to set a static IP for my guest, ...
0
votes
1answer
149 views
RHEL6 && OEL6 How is $DISPLAY determined on startup?
I'm experiencing inconsistent $DISPLAY variables on my OEL6 servers which have caused quite a bit of trouble with socket files.
I have found surprisingly little on what actually sets the environment ...
0
votes
1answer
94 views
How to hide Login/Pwd into shell?
I've a Shell script(.run) that let me to connect into Oracle sql :
echo whenever sqlerror exit | sqlplus Login/Passwd@SERVER @"TABLE1.sql"
echo 'return code : ' $?
I'd like to hide "Login/...
0
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0answers
41 views
Start Graphical User Interface mode in oracle linux OracleLinux-R7-U0-BETA-Everything-x86_64
I have gone through oracle's documentation here http://docs.oracle.com/cd/E52668_01/E54695/html/index.html but coundn't find a content where it states starting a gui in oracle linux. I have tried ...
6
votes
0answers
1k views
OEL6 Slow boot && Millions of socket files in /tmp/orbit-gdm
Background on question
Lately I've been having some trouble with slow booting on the servers, sometimes over 2 hours to boot stuck on "Enabling Local Filesystem Quotas:"
After searching I managed to ...
0
votes
1answer
434 views
Failed to open the bootstrap file in MySQL
After doing an installation of MySQL Ver. 5.7.10 for RH/Oracle Linux I get an error that during the initialization the bootstrap file was not found. I'm not sure where this may come from, as it is a ...
1
vote
2answers
1k views
Unable to load the kernel module 'nvidia.ko'
On my system I'm unable to install the recommended graphics driver, so something must be wrong with my installation.
The GPU chipset is ATI ES1000, but the recommended driver is NVIDIA NVS300 ...
0
votes
1answer
2k views
Error inserting module: Device or resource busy
When running modprobe to insert a module into kerner I get the following:
# modprobe 8192cu
FATAL: Error inserting 8192cu (/lib/modules/3.8.13-118.2.1.el6uek.x86_64/kernel/drivers/net/wireless/8192....
1
vote
2answers
425 views
Setting up a WLAN usb stick
I'm trying to make the WLAN USB stick connect to a wireless network.
There was an official Linux driver available for download (v4.0.2_9000.20130911, which supports my Linux kernel version) and I ...
3
votes
1answer
220 views
Automatic system upgrades with Oracle Linux 7
Is there a way to have an Oracle Linux System (Version 7) check for, download and install any available packages automatically?
I usually run Ubuntu systems where this is kinda trivial to setup, but ...
0
votes
1answer
100 views
How to return sequence value in sqlldr from unix shell
I have a test.txt file with column (Serialnumber,value).
test.txt:
"SEQ_IN_AMT.NEXTVAL",123123
"SEQ_IN_AMT.NEXTVAL",123114
here SEQ_IN_AMT is a sequence name create on Oracle. Now, when I load this ...
0
votes
2answers
38 views
Assigning output of a Dynamic Performance View (v$asm_diskgroup) to a variable in Shell Script
I am trying to assign the output of
select name from v$asm_diskgroup;
to a variable in Shell . The script is failing because of special character '$' in the table name .
Note : While i tried ...
0
votes
0answers
269 views
sendmail fail to send HTML e-mail on oracle linux
I'm trying to send html formatted mail through sendmail function in oracle enterprise linux. I'm using following script and HTML format to send the mail. Which is working on ubuntu as expected. But on ...
0
votes
1answer
729 views
Installing gdm-multiseat on Oracle Linux 6.4
I am installing SunRay on Oracle Linux 6 update 4. Running utpkgcheck shows that I don't have gdm-multiseat installed. However, I don't see it anywhere in the repos I have. How can I install gdm-...
-1
votes
1answer
462 views
Linux for real time production server [closed]
I would like to know a linux OS for a real time 24x7 running production server. I have heard that RHEL is pretty stable & suitable for this type of usage.
Now I would like to know how it is ...
3
votes
0answers
10k views
ulimit settings in /etc/security/limits.conf not in effect for users
Oracle Linux 6.6
Goal: user jboss_app should be able to run up to 16384 processes
We increased max user processes because a user was running out of processes. Current contents of limits.conf:
#&...
0
votes
0answers
121 views
What are the correct permissions for a non-root user in Red Hat 7?
I imported a pre-made Oracle Developer VM, from Oracle, into VirtualBox and the oracle user (which is not root), can't do anything without using sudo, for the most part.
For example, any file I want ...
1
vote
4answers
32k views
Bash ping script file for checking host availability
I am trying to write a bash script in a file that would, when run start pinging a host until it becomes available, when the host becomes reachable it runs a command and stops executing, i tried ...
2
votes
0answers
529 views
Server shutdown suddenly [closed]
One of our production server shutdown suddenly for unknown reason. I've checked the logs and found this:
init: tty (/dev/tty5) main process (2399) killed by TERM signal
Dec 7 12:02:32 rh init: ...
2
votes
1answer
514 views
Default shell in Oracle Linux?
bash is default shell for Red Hat Linux Distribution. In the same way, what is the default shell in Oracle Linux?
I tried to find this by executing
[root@serverName ~]# sudo $SHELL
But, I did not ...
0
votes
1answer
133 views
Migrate SSHD sftp Logging
currently my messages log file is filling up with
Dec 19 08:46:43 XXXXXXXXX sftp-server[32357]: closedir
and similar messages - is there a setting that I can move all sftp-server messages off to ...
2
votes
2answers
159 views
No EOF, when a program reads its own executable file on cifs mount
My java-based installer couldn't copy itself to target dir eating all disk space and I thought it was a java bug, but then I reproduced it with plain dd.
When I try to read my own executable using a ...
0
votes
1answer
212 views
How to list down all useless or less used files or application in my linux server?
I want to clean cruft from my Oracle Linux server. For this, I need to know which application or directory isn't used or is hardly ever accessed. Is there any command or way to list directories or ...
3
votes
2answers
2k views
How to globally configure secure clients using OpenSSL on Oracle Linux 5/RHEL 5?
My workplace recently patched one of our servers to address the POODLE vulnerability. Since then older Oracle Linux 5 clients (based on RHEL 5) can no longer securely connect to the server with any ...
1
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0answers
222 views
Linux Oracle - Random crash CPU Stuck
I have several Linux oracle VMs running under hyper-V. Kernel version is 2.6.32-358.el6.x86_64.
Sometimes, the VM stuck, we still can ping it, but we cannot ssh, or through the hyper-v console this ...
