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

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ldap_bind: Invalid credentials (49)

I'm trying to set up an openLdap server and after following the instructions I'm stuck at the point where I can't add any data. The error I'm getting is ldap_bind: Invalid credentials (49) Please ...
3
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1answer
26 views

How do I boot my computer from a Live-DVD from the terminal?

I'm not an expert on computers in general or Linux in particular, so if I'm vague on something please let me know and I'll try to elaborate. I have an old computer running Red Hat 5.0. It had a ...
3
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1answer
69 views

Service script calls another script with variables

I have a simple service script tomcat7 in /etc/init.d/ to start and stop my app server (tomcat) under the tomcat user. On RHEL6. #!/bin/bash # description: Tomcat Start Stop # processname: tomcat # ...
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2answers
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/usr/bin/ld: cannot find -lcrypt (rhel 6 )

System info [root@xilinx busybox-1.22.1]# uname -r 2.6.32-71.el6.x86_64 Following errors come when I make busybox on rhel 6: /usr/bin/ld: cannot find -lcrypt collect2: ld returned 1 exit status ...
3
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1answer
121 views

How to run script when SSSD creates home directory for a new user

I have a network with several RHEL6 workstations and RHEL IdM Server (a.k.a. FreeIPA) as a domain controller. Every LDAP user can log into the every workstation. When the user is logging in for the ...
3
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1answer
2k 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 ...
3
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2answers
54 views

debian/watch for Fedora

How do Fedora maintainers track new versions of upstream package sources? Is there anything like debian/watch in the Fedora/Red Hat world?
3
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1answer
10k views

With SSH X11 forwarding (`ssh -X`), get `Can't open display` trying to run X applications

I'm able to login to sever using ssh -X Hostip but when i run the command xclock it give me this error Error: Can't open display: localhost:11.0 I check my Display value using echo $DISPLAY ...
3
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1answer
492 views

Writing triggers for mcelog

Just starting to look into mcelog for the first time (I've enabled it and seen syslog output before, but this is the first time I'm trying to do something non-default). I'm looking for information on ...
3
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1answer
1k views

I opened a port with iptables but still doesnt work

I have a CentOS installation as a guest VM with VirtualBox. I have two ethernet interfaces, eth0 with NAT and DHCP, and eth1 with Host-only adaptor and static IP. I have oracle installed in this ...
3
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1answer
5k views

How to Format an LVM partition

I need to format a partition. But I have one LVM on my machine (VirtualBox) that is composed of two different two partitions of two Virtual HDD's (sdb5 and sdc5) fdisk output df output
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1answer
2k views

How to change the properties of a desktop panel from the command line?

I use RHEL 6 as my regular operating system and for one of my user accounts I made one of the desktop panels as auto-hide and other as a fixed panel. I expected the hidden panel to appear above the ...
3
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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: ...
3
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1answer
606 views

Can't get past EFI to install RHEL on HP Itanium Server

When I am trying to install RHEL (6.3, 5.8, 4.8) on an HP Integrity Server rx2660 Itanium with 4GB RAM, I keep getting to the same point which is Loading file efi\boot\initrd.img...done After that ...
3
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1answer
481 views

How to get hgk working on RedHat Linux?

I plan to get hgk to work.However, no matter how I configure the redhat linux, it still does not have any response. Here is information for my machine. RedHat 5.3 Mercurial 1.8.1-1 I installed ...
3
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1answer
469 views

Can I force notify-send to appear on a different monitor?

I am using notify-send to present occasional information to my users. However, in a two-monitor setup, notify-send always maps the window in the lower-right corner of the right monitor. The users ...
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0answers
17 views

Why does saving a KVM-QEMU VM requires additional memory?

I have three VMs running on Red Hat Enterprise Linux with 8 GB RAM, each of the VMs has 3 GB allocated, and I also run a 512 MB VM. If we also consider the guest OS's memory usage (usually 1.5 GB due ...
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0answers
84 views

Unable to start network, <IP> is already in use for device eth0, but its not

A wierd issue after we migrated some of our servers to a new DC. We assigned new IPs to all the machines and all the servers are working fine except one. It is not picking up the new IP address and ...
3
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1answer
534 views

The equivalent of start-stop-daemon for RedHat 6

I have an upstart script to create a service in RedHat 6: env PLAY_BINARY=/usr/bin/play env HOME=/opt/warda env USER=root env GROUP=root [...] script exec start-stop-daemon --start --exec ...
3
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1answer
572 views

Authconfig contiously rewriting the /etc/sysconfig/authconfig file, messing up Puppet run

I have been using this LDAP module for a long time in my Puppet environment. The module uploads these files to the RHEL-servers: /etc/openldap/openldap.conf /etc/pam_ldap.conf /etc/nsswitch.conf ...
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0answers
210 views

How to set CONFIG_PREEMPT_NONE in RHEL 6.4 (linux)

I am trying to tune the RHEL6.4 Kernel to handle server style load for of my application. With RHEL 6 scheduler has been changed to CFS and with RHEL 5 my application works fine. I would like change ...
3
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1answer
521 views

Can you create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned?

I would like to know if it is possible to create a volumegroup in LVM that all the Logical volumes created under it will be thin provisioned? This will be used on RHEL 6 which does include thin ...
3
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1answer
469 views

GDM will not start on boot, unable to login into graphical interface

I am running RHEL 5.8 . SELinux is enabled but in permissive mode. Here are some snippets from /var/log/messages on boot. kernel: type=1400 audit(1360613500.551:6): avc: denied { write } for ...
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685 views

recommended procedure to create a user/group during RPM install

after trying hard to search for RPM best practices guides and finding virtually none, to my surprise, I resort to the community - I need to ensure that some users and groups exist after the ...
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168 views

Enable sqlite FTS Enhanced Query Syntax in python in RHEL6?

SQLite's full text search engine offers a simple query syntax (with AND and OR operators and -term for negation), as well as an enhanced query syntax which also allows parenthesis and NEAR — as well ...
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0answers
290 views

What are the differences between runit and supervisord?

I'm looking into changing our Django deployments and was reading the deploy page for gunicorn and it talks about both supervisord which I was aware of and planning on using and runit that I don't ...
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2answers
978 views

System hangs on shutdown/restart - is ssh involved?

If I ssh into my server and do 'shutdown -r now', the shutdown hangs on the message 'Sending processes the KILL signal', and I have to walk into the lab and use the power button to force a shutdown. ...
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0answers
271 views

How do I set up dual quadro cards in RHEL 5.5

have a RHEL 5 workstation with 2 nvidia Quadro FX4500 cards, with one display attached to each card. After doing a clean install of RHEL 5.5, the second display doesnt work (it worked ok in RHEL 5.2). ...
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2answers
944 views

file still read-only after a mount --bind from a rw partition

I use mount --bind to "overlay" a file from one ext4,rw filesystem onto another file in ext4,ro filesystem. For example, /etc/hosts is on a read-only / partition, but I have another partition where ...
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5answers
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Why isn't Red Hat Enterprise Linux Desktop free?

Why isn't Red Hat Enterprise Linux Desktop free? Isn't it a Linux OS? If it is, so why is not free? http://www.redhat.com/products/enterprise-linux/desktop/
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3answers
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How does setting the Setuid bit affect shell scripts that run on boot of the system, before any login has occurred?

Would enabling the setuid bit on a shell script make a difference at all when that script is run on boot? Who would the effective user be?
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3answers
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Is Red Hat Linux licensed

Am confused so thought of asking a question. According to this Red Hat Becomes Open Source’s First $1 Billion Baby, it is opensourced so my question is: Where can I download the Opensource version ...
2
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1answer
161 views

Why are the timestamps on files so old on my newly installed system?

I installed the Red Hat Enterprise Linux 5.6 on a client system today. If it is of any concern, it's running on the bare metal. After the installation was completed, I did ls -ltr / and it showed a ...
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2answers
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yum installs an old version of cmake

For some reason when I run yum to get cmake it will install an older version. Could it be because my repo list is not complete? I'm on CentOS 6 using a minimal desktop install from the non-net install ...
2
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2answers
563 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 ...
2
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3answers
1k views

How do I set the group (gid) of a process I'm about to launch?

I'm porting a Debian init.d script to CentOS. In the Debian script, it uses start-stop-daemon for launching the process. The script uses start-stop-daemon's --group flag to change to a different ...
2
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2answers
759 views

How to list RPM packages installed in order of installation date

I'd like to see a list of software installed in the order of the date they were installed. The order doesn't matter (newest to oldest & vice-versa) as long as they're arranged by date. I'm mainly ...
2
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2answers
282 views

Where did Redhat derive from?

Where did Redhat derive from? Did it derive directly from Linus Torvaldis linux distro (2 years earlier) or did it have roots in BSD or System-V ?? I am just wondering how to classify Redhat in the ...
2
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2answers
1k views

bind the MAC with IP address?

I have configured a DHCP server on Linux. My goal is to map client IP address with their MAC address in such a way that no "unregistered" client machine gets a response from the DHCP server. That is, ...
2
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2answers
3k views

Install mono and Monodevelop on a new Redhat 6.5 Workstation

Does anyone know how to install Mono and MonoDevelop on a Redhat 6.5 Workstation? I've tried a number of different things but nothing has worked. I tried using git and building with make from the ...
2
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1answer
2k views

How to install GNOME 3 on RHEL6?

I am using Red Hat Enterprise Linux 6, it has Gnome GUI, but it is very simple and not like Ubuntu's GUI. I want to install/upgrade my GNOME Desktop Environment to its latest release. How can I do ...
2
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2answers
1k views

How to automate connecting to multiple network devices, running a command and saving the output to a file?

I have to run a command on around 1000 network devices and save the output to a file. In a file I have a list of all the network device names that have to be connected to using SSH. I then have to run ...
2
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2answers
103 views

reformat a text file to have all text on one line using CentOS 5.6

I have a 210-line block of HTML that I have stored in a HTML for debugging purposes. The HTML, as you would expect, is formatted accordingly so is stored in the file with spaces and tabs. Is it ...
2
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1answer
61 views

Start Application on Start up

I am currently using RHEL 7.0 for our project. I have an embeded application which I want to run on boot up. I have an exe file for the same. I have tried using the systemctl command but it has not ...
2
votes
1answer
305 views

What is the purpose of avahi on a RHEL 7 server?

Running a server machine with CentOS 7, I've noticed that the avahi service is running by default. I am kind of wondering what the purpose of it is. One thing it seems to do (in my environment) is ...
2
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3answers
68 views

listing package dependents

I stupidly did "yum remove python" which also ended up removing all the packages that required python as well. Luckily, I have access to another Linux machine that is a near clone of this machine, ...
2
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1answer
990 views

Differences between %pre and %post in Kickstart on CentOS?

I have been setting up machines with Kickstart on CentOS and I am unsure about the differences between the %pre and %post sections of the kickstart .cfg file. The CentOS Documentation for the ...
2
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1answer
4k views

What is the IPV4_FAILURE_FATAL ifcfg directive and under what scenarios would I want to use it?

CentOS / RHEL 6 I recently learned that there's a ifcfg directive called IPV4_FAILURE_FATAL exists for use in the files located here: /etc/sysconfig/networking-scripts/ifcfg-*. But I'm having a ...
2
votes
2answers
259 views

How to mount remote file system

I want to mount my Windows NTFS share C:\ to Linux ext4 file system, so I can see the file system tree as part of my Linux file system and transfer my files. PS. I am using rhel6.
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2answers
115 views

Copy website from RedHat to CentOS

We currently have our website and website's CMS hosted on a dedicated host which runs Red Hat. We want to remove Red Hat and install CentOS instead. My question: is there a straight forward way of ...