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

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What is the equivalent CentOS for Red Hat Enterprise Linux 6.5?

According to CentOS website, they use the source code from Red Hat, but I am not clear about what version of Red Hat source code is being used to build each version of CentOS. Is there a numeric ...
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41 views

Have kickstart install TCPdump

I have a kickstart file for RHEL 6 and in the package section for the installing of the TCPdump command line utility I put tcpdump as the package name. Like I did with java and g++ in the kickstart ...
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1answer
44 views

How to make Apache piped logging scripts not run as root?

The organization I work for is very security-minded. There is a separation between the group of System Administrators who are responsible for the operating systems (who, obviously, have root) and ...
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1answer
17 views

How to specify a specific product in udev hwdb file?

I'm trying to remap the buttons on a peripheral that incorrectly has its buttons mapped to F keys. To remedy this I'm trying to use a udev hwdb file to remap keys only on specif devices. So far my ...
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1answer
27 views

Is it possible to allocate slices of disk to a KVM storage pool?

When using virt-manager to create a storage pool it does not give the option to set the size. Instead, it assumes that an entire partition is available to the pool. I would expect this to cause ...
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22 views

Get window name on Red Hat Gnome

Is is possible to get the title of a window (Eg. gnome-terminal) via a terminal command, without installing any outside packages like xdotool, xprop or wmctrl? Much appreciated.
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1answer
76 views

Improving performance of script [closed]

I have been working on a script that can be used to automatically restart my Zabbix monitoring services in the event that they stop running. I have the script working just fine, but figured it could ...
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1answer
53 views

How must (Not how can) a program be available from everywhere in CentOS/Fedora

I was reading this link from MySQL: https://dev.mysql.com/doc/refman/5.6/en/mysql-cluster-install-linux-binary.html shell> cp support-files/mysql.server /etc/rc.d/init.d/ shell> chmod +x ...
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1answer
39 views

Scanning SCSI_HOST: Environment: VMWARE Workstation, VM OS RHEL 7.0

After the adding the new HDD through settings in VMWARE workstation, the sdx are discovered through scanning the SCSI_Host. My question is that, in the following command how I can include globbing. ...
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1answer
290 views

systemd Failed at step EXEC spawning /opt/autologger/placeholder.sh: Permission denied

This is a really simple question, I know, but I am jumping right into systemd with little prior knowledge of system management and Linux in general. I am attempting to create a "Hello World" service, ...
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1answer
93 views

Windows to RHEL 6 File copy - mount error 13 = Permission denied

I am fairly new to linux Administration for forgive me if I say anything that sounds crazy or if this question has been asked before. I did a search on the StackExchange and Unix & Linux site but ...
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1answer
42 views

What exactly is a file offset in lsof output?

I was using lsof to track down deleted files that were still taking up space and I realized that I wasn't quite sure what an offset is with respect to a file. lsof's man page was less than helpful in ...
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33 views

Recover VG after Adding Disks and Rebooting

I had an old 1.5 TB NTFS formatted disk I wanted to use in by RHEL 7 box, so I put it in my desktop booted, and proceed to delete the partition table using fdisk. I created a physical volume on it ...
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1answer
23 views

How to see the password in rhel6 [duplicate]

How to see the password what we are entering in RHEL6. If not how to see at least the entering password in some special characters.
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1answer
2k views

Error: xz compression not available

I'm at a loss trying to fix this issue and was hoping someone could help. I'm running redhat enterprise v6.6 64bit and am tyring to install 32bit Skype. In the process of trying to fix the ...
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1answer
46 views

Why does this bash fork bomb not work on my RHEL VM?

I'm running a RHEL 6.5 VM in a VMware ESXi environment and accessing it through the vSphere Web Client virtual console (in my browser). I wanted to crash this machine on purpose and executed :(){ ...
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2answers
57 views

YUM failing install; not recognizing JDK

I am attempting to install some packages using YUM. The command I am using is: sudo yum repo-pkgs [my repo] install This produces the following result: Error: Package: [package name] ([my repo]) ...
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2answers
104 views

How to remove an rpm package while keeping certain files

Had an issue where 64-bit and 32-bit httpd packages were installed. When one of the packages is uninstalled via yum remove, it removes certain shared files like /etc/httpd/conf/httpd.conf. Is there ...
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85 views

python install on linux RHEL5 - GCC 4.1.2-52

I used the following guide from the Beyond Linux From Scratch SVN Book, not knowing that my distribution was actually RPM Based (see comments), and now I am getting the following error during python ...
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2answers
69 views

ping: unknown host

I am setting up a workstation with RHEL 6.6. When I do ping server1 it said ping: unknown host server1. However I can ping server1 with IP address xx.xx.xx.xxx. It seems to me /etc/resolv.conf ...
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1answer
30 views

How to remap an F key on a specific Keyboard?

I have a peripheral attached that is actually not a keyboard, but all of its buttons are being treated as F keys, they all send the same scancode and keycode as the standard F keys (based of of ...
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21 views

not Booting a newly linux kernel inux-2.6.32.65.tar problem

when i give reboot command kernel not booting screen showing.. i uploaded this pic here , and caps lock key blanking
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1answer
126 views

SysV init scripts to systemd migration in RHEL7

Please find the Sys V Init scripts for (User processes)Agent and Security daemon in Linux. Agent Daemon startup script /etc/rc.d/init.d/Agentdaemon /etc/rc.d/rc5.d/S91Agentdaemon Security Daemon ...
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97 views

rgmanager [fs] start_filesystem: Could not match “f6a58cf7-b39b-489c-add5-444ceab8af9d” with a real device

I am trying to install two node cluster for web server. We have super mico hardware HA BOX. It has 5 disk. one disk is used for node1 os installation and another disk is for node2 OS. Remaining disk ...
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144 views

receiving error message while trying to register for subscription for rhel6

I am trying to subscribe to redhat from the terminal. I have registered an account at https://access.redhat.com/labs/registrationassistant/ . So I am using those credentials to register my ...
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36 views

Linux (RHEL) installed on Windows Hyper-V supporting Virtual HBA

I have installed RHEL 6 on Hyper-V as a Guest machine. I have added Virtual Fibre Channel. But I cannot detect in the RHEL. I also don't know how to find it is working or not. Can anyone help me ...
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27 views

Redhat 5.11 Just showing 1.5TB Storage

We purchased new supermicro server with 3*3TB HDDs. Now from Hardware Raid controller i created Raid 5 .So the total use able storage is 5TB something. But during installation Redhat is just showing ...
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1answer
50 views

Non-root privileged user to find all files with SUID & SGID bit…Permission Required?

I'm writing an audit script to find all files with SUID & SGID bit set on the system, using the below command: find / perm /u=s,g=s The script will run with a non-root user. Will this user be ...
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2answers
29 views

How do I turn a local yum repository into a local satellite for many other repositories

I am not sure I am asking this question in the best way. I am doing my best to ask it in the clearest way possible. I would like to build a local (to my cluster) yum repository server such that I ...
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0answers
96 views

How to resolve dracut problem when intall Fedora 21

I'm Ubuntu User. But I wanted to change my OS from Ubuntu to Fedora. So I wanted to Fedora 21. But there is a problem. I'm using USB Drive to boot Fedora 21. When I try to install Fedora I get a ...
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2answers
60 views

How to install RHEL 7 through pendrive?

I have 7gb RHEL 7 image file. I used UniBoot to make pendrive bootable. But when i try to install during startup of pc, grub cmd screen comes every time. What to do??
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While executing vgdisplay gives below errors [closed]

/dev/mapper/mpathcq: read failed after 0 of 4096 at 107374116864: Input/output error /dev/mapper/mpathcq: read failed after 0 of 4096 at 107374174208: Input/output error /dev/mapper/mpathcq: read ...
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1answer
80 views

How to Install or enable PHP-FTP support on Linux Apache server?

In my PHP code I am using the below function ftp_connect() But it throws an error, FTP is not enabled for PHP. Can any one tell me how to enable/install FTP in RHEL, Apache2.2 server,PHP Version ...
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1answer
79 views

How to use usermod login command?

When I try to use: [root@jack-dpp jack]# usermod --login jack-dpp jack I get: usermod: user jack is currently used by process 7622 In RHEL 6.6 how to kill all the process and run this command?
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27 views

Getting some unwanted message in linux os

When Linux (RHEL) OS is booted I am getting a message as beiscsi_ep_connect shost is null What does it mean?
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1answer
95 views

RHEL not booting with the updated kernel after upgrade [closed]

We have recently upgraded RHEL boxes, but the system only booted with the old kernel. Observation is that there is no link /etc/grub.conf to /boot/grub/grub.conf. Now, to boot the system with the new ...
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2answers
151 views

how to untar file in linux red hat?

I am compiling linux red hat stable kernel on red hat linux and the error which I am facing is as below
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615 views

Installing custom RPM says “does not update installed package”

I've inherited some servers which have previously always had its software as custom compiled versions (apache, perl, mod_perl etc). I was thinking than rather than compile every time, it may be better ...
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1answer
85 views

Using sudoedit in a script (non-interactively)

I'm looking to modify a file from a script. I can sudoedit the file as the bob user by doing sudoedit -u bob /foo/bar.conf but don't have rights to do anything else as bob. I came across ...
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71 views

Limit system processes using cgroups

My server runs several dozens of processes that are not in my control (mostly monitoring software). According to my application logs, sometimes some of the third party processes try to allocate too ...
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189 views

turn on numlock at login screen. GDM

GDM is turning off numlock key. I have tried following: a) installing numlockx and inserting following lines at /etc/gdm/Init/Default if [ -x /usr/bin/numlockx ]; then /usr/bin/numlockx on fi ...
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0answers
27 views

Input focus not following window clicks

I'm running RHEL 6.5 with a generic ATI HD5480 videocard and three monitors (one connected to each port... DVI, DisplayPort, and VGA), and I'm having issues with window-activation and input-focus that ...
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62 views

How to corrupt rpmdb?

Yes, You read it right i actually want to corrupt RPMDB for testing purpose. I tried Googling it but all i got was to, how to rebuild it. So at last i tried rpm --rebuilddb and killed the process ...
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0answers
44 views

RHEL6 Idle Thread Behavior

I am doing some cpu performance profiling with the perf tool on a RHEL6 box running weblogic12g. It looks like the idle threads are presented as native_safe_halt in the stack profile but ...
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0answers
35 views

Bind TomcatWebConnector to IP Address [closed]

I have a RedHat 5.6 server that has two NIC's (eth0/192.168.1.1 and eth1/192.168.1.2). I want to have two separate installs of geronimo using one specific NIC only. Install1 ...
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1answer
67 views

how to enable sudo for one directory

I have Redhat 6.3 and I want to enable sudo command for chown,kill and chmod, so under root user I did the following: visudo #add the following line aabuhasna ALL=(ALL) NOPASSWD: /usr/bin/kill, ...
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44 views

kickstart does not chmod a file in %post section

I have the following code executed in the %post section of a kickstart file for RHEL 6.6. echo '#!/bin/sh' > /root/add_user echo 'if [ $# -lt 1 ]; then echo "no username provided"; exit 1; fi' ...
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193 views

upgrade glibc to 2.7 in Redhat 5

Is it a bad idea to upgrade glibc to 2.7 in Redhat linux? if yes, why is that?
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1answer
446 views

Systemd kills service immediately after start

I'm writing systemd unit file for OSSEC HIDS. Problem is that when systemd starts service it immediately stops them. When I use that ExecStart directive all working fine. ...
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2answers
329 views

Separate Network Traffic on Two Network Interfaces

I am not an R&S professional, so much of that realm of computing escapes me. Could you lend your expertise in helping understand how to go about configuring the separation of network traffic on ...