Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.

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141 views

USB flash drive file transfers seem to hang multiple times during file transfer

I've got Scientific Linux 6.4 Installed (RHEL6.4) and am having trouble transferring to and from USB flash drives... Transfer seems to hang multiple times during transfer to the device, and transfer ...
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2answers
169 views

Calculating CPU time of process in RHEL 5.3

For a process management,I would need to remove a process that exceeds a certain amount of CPU time, for example 1 hour.In PS command ,it has TIME parameter shows the total CPU time of a process .So ...
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1answer
4k views

Upgrade to latest version of firefox in RHEL 5.6

I have RHEL 5.6 (32 bit OS) in my system. I have firefox (17.0.10) installed in my system. I tried to upgrade the firefox to the latest version. First I did, yum update firefox and got no packages ...
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2answers
341 views

What is the difference between DISPLAY :0 and :0.0? [duplicate]

What is the difference between DISPLAY :0 and :0.0? On RedHat 5.8, I can right click the desktop to start a shell and DISPLAY will be ":0". If I go to the Menu-System-Terminal to start a shell then ...
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4answers
2k views

What are the dangers of creating a normal user with UID < 500?

What are the dangers of creating a normal user with UID < 500? Assuming the UID's are not duplicates of existing UID's, what could go wrong? This is not something that I want to do, but something ...
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1answer
487 views

startx from mac osx to RHEL6

I am trying to get a GUI over ssh -X. My RHEL6 server did not have X Window System and a graphical desktop environment. So I installed using yum groupinstall "X Window System" Desktop. It installed ...
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1answer
442 views

RHEL - Login screen not showing

I have a RHEL 5.6 system which shut down unexpectedly due to a power failure. I restarted the machine to figure out if something is wrong. However, the machine is not showing the login screen. It is ...
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3answers
562 views

RHEL- mysql installation error

I am trying to install mysql in my RHEL 5.6 machine. I use the command yum install mysql. However, I receive the below error message. Transaction Check Error: file ...
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1answer
1k views

TCP buffers keep filling up (Recv-Q full): named unresponsive

Using netstat -an, I set the message that the Recv-Q is full. It is filling up to the rmem_max: Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address ...
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3answers
85 views

How do I find out which RPM was used to install PHP?

I have PHP installed on a server and I'd like to know which RPM it was build off of (webtatic or remi). How do I find this out. Also, how would I find out if and when that changed?
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1answer
1k views

Could not open /dev/vmmon: No such file or directory

I've installed VMWare Player 6.0.1 build - 1379776 on a Red Hat Enterprise linux Server release 6.1 Beta ( Santiago ). When I attempt to start my virtual machine, I get the following the error: ...
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2answers
57 views

Local mail delivery not working

We are using RHEL 6.1 server. We need to send a mail from server to local domain (tcs.com). we are using mail command for this purpose. [bsoauser@hsluabsoa ~]$ echo "hi" | mail -s "test" ...
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1answer
311 views

Install 32-bit library packages on 64-bit rhel 6.2 during installation of os

I want full installation of rhel-server-6.2-x86_64. Within this setup, I want to install some of 32bit glibc packages before completion of installation, which already available in ...
7
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4answers
334 views

How to list all the files used during Linux boot

I would like to get the list of files that are used during the process of Linux boot. We are developing the protected enterprise system based on the RHEL 6.4. The integrity of specified files will be ...
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0answers
73 views

Listing previous logins through sftp

Hello people of the stackexchange, I am having a little difficulty trying to find a location of a particular log file which i'm hoping someone on here could help me with. What i am trying to do is ...
3
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1answer
98 views

Changing gVim behaviour on Red Hat

I recently had to change my Linux work environment from a personal Ubuntu system (having full admin rights) to a corporate Red Hat system (having very limited control on the system). Both running ...
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1answer
283 views

Linux efficient command to find if 32 bit/64 bit [duplicate]

I am trying to figure out the list of possible ways to find out if a Linux machine is 32 bit or 64 bit. Method 1: The command uname -m will specify if my machine is 32 bit or 64 bit. Method 2: ...
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1answer
336 views

Yum update shows “Killed”

When I update my RHEL with yum update commend, it list all update packages, and after I hit Y for yes, got following response. Running rpm_check_debug Running Transaction Test Transaction ...
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1answer
2k views

NFS Mounting Error

From ServerA I shared directory /u001/app/oracle/FolderA and trying to mount this on SeverB under /media Contents of ServerA /etc/exports file /u001/app/oracle/FolderA ServerB(rw,sync) When I ...
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2answers
5k views

How to list groups with gid in redhat?

I first listed the groups using : groups I added group using groupadd -g 300 oinstall groupadd –g 500 dba and then when I do groups root bin daemon sys adm disk wheel sfcb I am unable to ...
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1answer
29 views

Yum adds the dir 'Package' to baseurl

I'm on a network that doesn't get outside internet. I have the repo file pointing to a http server on the network that has the packages that came with the RHEL install cd. Most of the servers work ...
1
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1answer
521 views

Daemons not starting during the boot on PUIAS (RedHat) 6.4

I am total Linux n00b entrusted with bunch of PUIAS (RedHat) 6.4 servers and desktops. I noticed after rebooting my computing nodes (done just for testing purposes) that many of the daemons which are ...
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0answers
100 views

chkconfig format not accepted in rhel

I'm currently working on "Red Hat Enterprise Linux Server release 5.10 (Tikanga)" and i am having issues while adding a script to the startup using chkconfig. Below is the Header Code of "MyScript" ...
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votes
2answers
401 views

RED HAT LOGIN problem with root

I want to log in to my new installed RHEL 6.2 I am totally new to Linux. I tried to log in with root, and password that I created during the installation process, but after log in this appears ...
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1answer
349 views

Is it possible to add/remove arp-ip-targets without taking the bonding interface up/down

i just changed in /etc/sysconfig/network-scripts/ifcfg-bond0: BONDING_OPTS="mode=active-backup arp_interval=1000 arp_ip_target=10.0.0.1" and now i want to set those arp_interval and arp_ip_target ...
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1answer
607 views

Log off user using terminal

I am having a situation where I logged in to a RHEL 5.6 system and started VirtualBox. After closing the VirtualBox, I am having a situation where the menu bar which has the option to shutdown or lock ...
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1answer
329 views

Why does getfacl remove the leading / from absolute pathnames?

I'm in the midst of learning about ACL's for Centos/Red Hat 6 and when I run getfacl using an absolute path I of course get among the output: getfacl: Removing leading '/' from absolute path names ...
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1answer
163 views

File sharing between RHEL 5 and Windows 7

I am trying to setup the SAMBA service to share file between RHEL 5 and Windows 7. I have both the operating systems in the same machine. I tried to setup as discussed in this link. I checked the ...
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1answer
39 views

The importance of the order in domain controler names for setting an LDAP server, is there any reason?

I wonder if there is any reason to speficically put the domain controlers in the proper order, when configurung a LDAP server using autofs. For example if specify on a RedHat/CentOS the dc domain ...
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1answer
146 views

Upgrading Red Hat 9 (Shrike) kernel manually

I am following the instructions here on how to manually perform a kernel upgrade in Red Hat. The current Kernel RPM's are: kernel-2.4.20-8 kernel-headers is not installed kernel-ibcs is not ...
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1answer
141 views

EACCES that should not happen

I have a situation on a Linux machine that I can't really explain. Some background: We're running apache with a c/c++ module that forwards requests to our application. It does so by reading a .port ...
2
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1answer
141 views

Install newer unix sort command without root permission

The unix server I am using has an old version of sort installed (no -V option), would it be possible to install a newer version locally (I do not have root permissions)? Where would I download it and ...
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2answers
134 views

RHEL installed once but displayed thrice in GRUB bootloader menu

In my machine, I have installed 2 operating systems. Windows 7 RHEL 5.6. When I boot the machine, the grub presents me the screen with the list of operating systems available as, Red Hat ...
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2answers
199 views

Setting programming font in RHEL 5 + gvim

I am working on RedHat RHEL5. I want to change the font in GVIM. The only font format that my GVIM accepts is *-courier-medium-r-normal-*-*-140-*-*-m-*-* It refuses to use Courier\ New or ...
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2answers
136 views

How do I find new drivers for my laptop in RHEL WS 6.4?

I recently installed Redhat workstation 6.4 on my laptop as some of the stuff we're doing in class uses Linux (we have an RPi that we're learning the C language on). I figured, since the school has ...
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1answer
113 views

RHEL - Group assigned incorrectly

In our lab, all the LDAP users are assigned to a group vboxusers whose home directory is present in the server. We are using NFS to mount the home directory of an user to the client machines. I was ...
4
votes
1answer
232 views

Spike in swap utilisation without high swap rate

Every Saturday, for reasons unknown to me, one of my servers experiences a spike in swap utilisation. It's not necessarily a problem as there is plenty of free memory available, but I'd still like to ...
4
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1answer
177 views

Execution time and resources after processes that has been running for so long

This might be a basic question, but I am getting hard time finding an answer to it. I am using RHEL6. After running any process that takes significant cpu time, I get a line that tells (I guess) the ...
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3answers
582 views

How to stop Fork Bomb out of memory error - RHEL 6

I set up test VM to test the effect of fork bombs. So I edited the limits.conf as follows for root user: root hard nproc 512 Now I drop a fork bomb like so: :(){ :|:& };: After ...
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1answer
620 views

RHEL - GDM could not write to authorization file

I am getting an error as "GDM could not write to your authorization file" if I try to login as a non root user in my RHEL system. I restarted the machine hoping that the tmp files will be cleared and ...
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0answers
36 views

Send big data with dsmigratedata command

I want send data to remote server using this command but I dont know what is the syntax is that I can use for this command... I'm using the command: $ dsmigratedate -s user@remoteip -p 22 password ...
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0answers
149 views

Serial Over Lan redirection stops at OS boot

I'm trying to create a monitoring system for a remote machine using an IPMI Serial Over Lan (SOL) console. The remote OS is RHEL 6, the mobo manufacturer is Supermicro. I've successfully enabled SOL ...
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1answer
1k views

Opening session via XDMCP to GDM

I have a RHEL6 server which we connect via XDMCP. If I start xdm (xdm &) it works but the login screen is the old xdm simple login and not gdm. Our RHEL5 servers connect to gdm just fine. The ...
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2answers
183 views

LDAP user not present in the desired group

We have LDAP and NFS setup in the lab. The lab has 16 machines and a server. All the LDAP users home directory is present in the server. Whenever, the LDAP user logs in from any of the 16 machines, ...
2
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1answer
52 views

How do I set a newly created user account to NOT prompt the user to change their password?

I created a new user account, but the user is prompted to change their password on first login. I don't want them to change their password, I want them to use the password they were assigned. How do ...
2
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1answer
80 views

Is there a mechanism to run a “service” by a non-root user? [duplicate]

Is there a way I can have a continuously running, background process that can be controlled by me (a regular, non-root user)? All I need to be able to do is start, stop and restart the process. ...
2
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2answers
986 views

RHEL5 to RHEL6 Upgrade

I'm trying to upgrade our RHEL 5.9 servers to RHEL 6.4. We have lots of third party software and mounted systems so it would be nice if we could upgrade without re-installing. I know RedHat doesn't ...
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1answer
45 views

RHEL - NFS mounting failed

I have an issue with nfs services in one of my client machines. Let me brief you my lab setup. We have a server and 16 client machines connected in a network. We have 60 LDAP users whose home is ...
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1answer
85 views

create multipath for local partition

Is it possible to create multipath to local partition? I got partition /dev/sda3 and I need /dev/mapper/mpath01 to be pointing to it. This is what I added in my kickstart (rhel 5.7) part ...
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1answer
162 views

Get a clean list of files transferred from rsync

I'm trying to get an itemized list of files transferred by rsync. Using the -i and --out-format options, I'm instead ending up with output that looks like this: 3HMP1MO_001.tif 974.68K 100% ...