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

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Negative hdd usage. Available is larger than fullsize

Having issues with space accounting of lvm volume. 23G is available. But the full size of the partition is 20G. (So, it shows "-4.1G used" 0_O) > df -h Filesystem Size Used Avail Use% ...
7
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4answers
932 views

What distro is the most similar to RHEL 5?

I'm trying to get used to work with linux for a new job, where I will be using RHEL 5, but right now don't have $179 to buy the workstation version from Red Hat store. What free distro would be the ...
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1answer
2k views

Starting Udev hangs at boot

We have One SuperMicro server and on that we installed RHEL 5.6 64 bit but after installation it hangs at STARTING UDEV . Any ideas what is stopping it to start and proceed.
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1answer
4k views

How to change the Name of Logical volume in Volume group

I created an LVM and inside that i created Volume Group and within it created Logical Volume and given the mount point /u001/app/pracle I named it wrong instead of ORACLE i it should have been typed ...
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3answers
98 views

File Privileges

There is one user Lets call him B and he needs access Just to Read the File MEANS READ ACCESS and that file is own by another user A . How can I grant access to user A's file to User B.
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1answer
509 views

how to have root partition LVM for RHEL 5.8 64 bit on AWS EC2

I am new to this and I have to create a RHEL 5.8 Amazon Machine Image (AMI) in which the root partition should be a logical volume. I know how to create a data partition as a logical volume but am not ...
1
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1answer
260 views

How to generate SELinux policies based on logs?

Afaik there is a solution/software that can automatically generate SELinux policies based on logfiles. I just don't know the name of the software/method that can do this..
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1answer
1k views

How to configure SELinux using samba? Scientific Linux?

when I'm trying to mount a read-only samba share, then I get this messages on the samba server (and timeout on client side) Nov 5 18:45:49 localhost kernel: type=1400 audit(1352137549.469:17): avc: ...
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1answer
1k views

rc.status equivalent in Redhat

I need to have rc.status file in RedHat Linux, to install one software(java app). Is there any way to enable it on RedHat? Or is there an equivalent on RedHat?
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1answer
162 views

ServeRAID error in syslog, is it important?

I was checking the logs in server when i came across this message. Nov 4 12:52:05 SERVERNAME ServeRAID Manager Agent: [338] Periodic scan found one or more critical logical drives: controller 1. ...
1
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1answer
342 views

How can I configure postfix smtp per user?

I have previously used msmtp as my MDA. msmtp has a configuration file with username and password of the outgoing smtp server (eg gmail) stored in my home directory. I've recently changed ...
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2answers
205 views

Copy files from source machine to LiveCD

I'm working on distributing a version of Fedora to our internal development team using Live CD. There are certain files I would like to copy to the live cd that are not: part of an RPM or going to ...
2
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1answer
770 views

Fast encryption for home directory with Scientific Linux (ala' RedHat)

I have a T61 with C2D T7300 CPU/4 GByte RAM. I has SL 6.3 on it, and I ticked the encrypt VG during install. If I start a "normal" windows xp on it, its ~slow.. so.. I need a little performance boost ...
0
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0answers
550 views

Changes made to ifcfg-wlan0 doesn't seem to make a difference

I am running RHEL6 on my laptop. The wireless adapter configuration file ifcfg-wlan0 didn't come by default under /etc/sysconfig/network-scripts. So I created it myself. The problem is, whatever ...
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0answers
204 views

not all initrd.img's are born equal?

I am trying to get a Red Hat 5.8 box booting via pxe. The box is a virtual machine on ESX5.0 it has a Paravirtual SCSI Controller and VMXNET3 network driver. Now these drivers do not come default in ...
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2answers
1k views

Can I start my main desktop graphical session remotely?

So my workstation at work got rebooted and I'm currently not logged in physically there with a graphical session. I have ssh access to it, and I can start a new X windows session and use my graphical ...
2
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2answers
8k views

Where could I find the ifcfg-eth0 file?

I am using RHEL6, but I could not find the Ethernet interface configuration file ifcfg-eth0 under /etc/sysconfig/network-scripts. Issuing ifconfig -a shows that eth0 does exist. Could it be that the ...
4
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3answers
2k views

Performing accurate snapshot and incremental backups to a remote server

I have a few Ubuntu (and potentially RHEL) servers I'd like to back up to a central backup server (via rsh/SSH). I'd like to do both snapshot and incremental backups. The goal is that if one of the ...
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0answers
391 views

RHN Satellite scout won't push

My RHN Satellite (Spacewalk) server is having issues with monitoring. The Spacewalk Monitor Scout will not push out successfully. It always stops with a Request Expired status. I can't seem to find ...
1
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1answer
181 views

CentOS5, RHEL5, Java dependent Packages, Alternate JVM/JDK

Specifically regarding Java dependent packages, such as ant. Is it possible to install them via rpm, when using an alternate JVM/JDK? For example, If I install the Oracle JDK, can I use an ant ...
1
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1answer
390 views

How to get the cloned guest connected to the Internet?

I made a clone of a VM(running a version of Centos 6) on KVM, but the clone wouldn't connect to the Internet. Issuing ifconfig shows no interfaces but the lo. Interestingly, the original system can ...
1
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1answer
325 views

Share files between RedHat and Mac

I have one RedHat 6 machine and three Mac OS machines. I want the RedHat one to be a file server, so that all files will be stored there. All Mac clients will access this server according to their ...
4
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2answers
23k views

Setup static IP in redhat 6

I installed Redhat 6 x86_64. I am using the Network connection screen to set a static IP address like below (I want two PC's in my house to see each other: one Redhat PC and one Mac) 192.168.0.5 ...
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2answers
600 views

luxadm disp equivalent for Red Hat?

Is there an equivalent to: luxadm disp *disk* for Red Hat? I need to check that all the device address to the SAN are ONLINE for a certain disk.
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1answer
235 views

Installing packages after the RedHat installation?

I was installing the RedHat 5.5 64 bit. But in hurry I forgot to install the Packages needed. And I don't want to install RH again. How can I install packages after installation?
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2answers
2k views

Do mpstat and iostat come standard with Linux RHEL 5.8?

Do command line utilities like mpstat and iostat come standard with the RHEL 5.8 machine? Or are they optional utilities which the user has to install manually, if required? I could find these ...
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0answers
28 views

javac takes over 200% CPU on RHEL6? [duplicate]

Possible Duplicate: top output: cpu usage > 100% I don't think I understand what top is telling me. I have a javac process that says that it's taking over 200% of CPU. That's in the ...
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1answer
425 views

How to share files Between RHEL and Ubuntu

I have installed RHEL 5.5 on VIrtual Box and Host system is Ubuntu 12.04. I can access the files of Ubuntu by using the sharing services of Virtual Box. But how can I access the files of RHEL which ...
0
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1answer
309 views

Command not found

I am trying to stop a syslog using chkconfig but bash says that command is not available. But when I do man chkconfig it opens man page. This is the command i'm trying to execute. ...
1
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3answers
193 views

User's name appears as “bash-3.0” on SSH shell

I am working on a Redhat server and one of the users' names appears as "bash-3.0" on the "SSH Secure Shell Client." His name is appearing correct under /etc/passwd. How could this happen? How can I ...
4
votes
3answers
8k views

How to create Local Repositories in RHEL

I need to create a local repository in RHEl 5.5. i386 Because when I type some command in terminal it say that RHEL is not subscribed with RHN which is true. I took it from friend. So can someone ...
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2answers
2k views

How do you configure the MTU for all network adapters via a script?

NOTE: This is for RHEL/centOS. Currently my way of configuring the MTU is via GUI using system-config-network and setting the MTU to 4096. I would like a non-interactive script to do this instead. ...
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2answers
694 views

Is there a way to view the console output instead of boot logo, while my RHEL 6.2 machine boots up?

My company provided laptop has RHEL6.2, with lot of programs to start up automatically, which makes the boot up process slow. While the machine boots up, there is the boring RHEL logo on the screen ...
12
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2answers
8k views

/dev/tcp listen instead of nc listen

With a netcat listener like: nc -l <port> < ~/.bashrc I can grab my .bashrc on a new machine (doesn't have nc or LDAP) with: cat < /dev/tcp/<ip>/<port> > ~/.bashrc My ...
2
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1answer
439 views

Installing trac - “Trac requires Python 2.5 or later”

I am having a little trouble getting trac 1.0 installed via easy_install: [box]# easy_install Trac==1.0 Downloading ...
1
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1answer
224 views

Unable to connect to serial device; no /dev/ttySx

I wrote a Java application that connects to the serial port of the GSM modem. On Windows the serial ports have names like COM3, but in Linux Redhat 6.0 I had to switch to something like ttySx (X is ...
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0answers
343 views

How do you access internet in RHEL 5 using Android smartphone USB LAN? [duplicate]

How do you access the internet in RHEL 5 using Android smartphone USB LAN?
2
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1answer
1k views

RHEL how to sync network settings between GUI and configuration files in /etc/sysconfig/network-scripts/?

In RHEL, we can change network settings either using GUI or editing the configuration files in /etc/sysconfig/network-scripts/. I would like to know how the network settings (e.g. IP address, ...
1
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1answer
270 views

Scientific Linux 6.3 run evince in SELinux sandbox

I'm trying to run evince in the SELinux sandbox: sandbox -X /usr/bin/evince Unixforpoets.pdf but after waiting for minutes nothing happens, console doesn't outputs anything. So I collected the ...
1
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1answer
934 views

Why do I need to install -devel packages?

I am new to Linux and wonder why many times when I install package with yum I need to install package-devel.i386 rather than package.i386. What is the difference between them?
2
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1answer
346 views

Static IP config no longer persistent in CentOS6

I was messing around with KVM in CentOS 6.3 when I noticed I was having problems with the IP address of my principle network connection (eth0). I backed out my bridge and restored the network-script ...
1
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1answer
455 views

chcon fails to fix “cannot enable executable stack as shared object requires” err under RHEL6

I have an application I test at work, that has always failed installation on systems with SELinux enabled. Our published workaround involves issuing a chcon command for the library-file at the center ...
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0answers
807 views

iptables not starting up

I have inherited a custom built Linux kernel 2.6.30.9 and am just upgrading the underlying OS from RHEL 5.4 to 5.8 (kernels 2.6.18.164 and 2.6.18.308 respectively). When booting, the following is ...
4
votes
2answers
699 views

Running programs as root with my own password in Scientific Linux

In Debian-derived Linux distros, if you are not root but are authorized in /etc/sudoers, GNOME will ask you for your own password to allow privileged operations. However, Scientific Linux asks you ...
1
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1answer
783 views

How to force a particular version of Java?

I am on a RHEL 5.5 64 bit box. The systems engineer installed the 64-bit Java VM under /usr/bin ; however, I needed a 32 bit VM which he installed in /opt/jdk1.6.0_35. But now, everytime I do java ...
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3answers
735 views

What version of Red Hat is used for the Red Hat Certified System Administrator Exam?

What version of Red Hat is used for the Red Hat Certified System Administrator Exam? Because I don't have over $3000 to invest in the Red Hat course that prepares you for the exam I am going to ...
2
votes
1answer
211 views

Why does Redhat's daemon function not have a group setting?

Background: I'm a Ubuntu/Debian fan and most of my development experience has been on that platform but my current employer uses Redhat. I needed to write a simple init.d script and want the ...
1
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1answer
839 views

httpd-devel requires outdated version of glibc-common on CentOS 6.3

httpd-devel requires an outdated version of glibc-common on CentOS 6.3 x86_64 and Apache/2.2.15. It wants 2.12-1.80.el6 and I have 2.12-1.80.el6_3.3.x86_64 installed (via CentOS @update repo) Here is ...
2
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2answers
1k views

Can readahead-services be safely disabled?

I am just going through the service-list of a server (CentOS 5) - the question will probably apply to other RedHat, Fedora, ... versions, too. Note that my servers normally run in runlevel 3 (no GUI ...
3
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1answer
2k views

Can I automate mounting a cifs share without storing my password in plaintext?

I currently use a script which contains commands along the lines of sudo /sbin/mount.cifs $SERVER_SHARE $MOUNT -o username=$DOMAIN_$USER,uid=$USER,gid=$USER,file_mode=0664,dir_mode=0775 to mount my ...