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

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SELinux issue Full path required for exclude: net:[4026532292]

I am trying to set samba context on directory with following command and I am not sure what this error is about but I can not set the context on directory. semanage fcontext -a -t samba_share_t "/...
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37 views

Can't remove ttyS0 from /etc/securetty

Running RHEL6.6. Been trying to secure the system, and am having difficulty disabling root logins over the serial connection. My understanding is that I need to comment-out/remove the ttyS0 line, ...
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46 views

Using DD Disk Image on Red Hat

How can I use dd command on a Linux Red Hat Server 5 to obtain a disk image and then use it eventually in Virtual Box?
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24 views

Linux + iptables fallback

I want to enable the routing VIA tcp from port 770 to port 7714 iptables -t nat -A PREROUTING -p tcp --dport 770 -j REDIRECT --to-ports 7714 . so I get the following: iptables --table nat --list ...
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46 views

How to unmount a nfs or ntfs when a NAS is not reachable?

I have this environemnt: Redhatlinux Enterprise on fstab a NAS mounted as NFS yyyy.xxx.com:/vol/yyyy_nec_nosnap12/prod_data on /prod_data type nfs (rw,bg,addr=x.y.z.w) when the NAS doesn't reply (...
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62 views

aureport interpretting report output

I have ran the following command on my RHEL 6 system to produce an audit report aureport --login --summary -i that produces the following output Login Summary Report ============================ ...
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121 views

After reboot host goes into maintenance mode as I've the remote filesystems on LVM stack created over iSCSI LUNs - RHEL 7.x

On RHEL 7.x I observe that the remote filesystems (SAN) does not allow host to come up after reboot. It enters maintenance mode and I've to comment out the entries in /etc/fstab to bring the host up ...
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51 views

RHEL: FDE w/o password - boot from key on partition

I'm trying to accomplish encrypting my OS w/ LVM on RHEL 7.2 and have it boot without entering a password by using a key on an unencrypted partition. LV VG Attr LSize Pool Origin Data% ...
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28 views

Applying hosts resource in puppet to update /etc/hosts

I am new to puppet, trying with the host resource to update /etc/hosts on node2.example.com with the below entry master.example.com 10.134.39.245 node2.example.com 10.134.39.246 For ...
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43 views

NetworkManager not creating in-memory connections

I'm comparing Centos7 and Rhel 7.2 installations. rhel/centos installer creates simple network-scripts for existing adapters. They don't start automatically. NetworkManager sees them with names enp0s*...
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123 views

Jre installation have no /usr/bin/java file?

I need to install a specific older version of JRE on a RedHat machine. So I downloaded jre-1_5_0_10-linux-i586.rpm and copied it into /opt/local. Then I ran sh ./jre-1_5_0_10-linux-i586-rpm.bin and ...
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721 views

How to resolve 'netlink: 12 bytes leftover after parsing attributes.' in syslog on Red Hat Enterprise Linux 6.5?

When I install customized RHEL 6.5 with no GUI, on the Virtualized Platform like Esx Server. I am constantly getting, kernel message netlink: 12 bytes leftover after parsing attributes.. And this ...
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17 views

Red Hat 7 GDM + NIS Only Validates First 7 Characters of Password

I've come across an interesting issue this morning. We have noticed that GDM on RHEL 7 is allowing us to log-in with only the first 7 characters of password. We can enter anything or nothing from ...
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99 views

Does “defaults” option include “acl” option in /etc/fstab?

I'm working with ACLs on CentOS 7 and noticed that the partition (/) where ACLs are applied is mounted with defaults options. As far as I know ACLs need that the acl option is enabled in the mount, ...
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375 views

Install VLC on Red Hat Enterprise Linux 7.2

I want to install VLC Media Player on Red Hat Enterprise Linux 7.2. My system is subscribed to the Red Hat Network. I am following these steps and have run into dependency issues. I downloaded ...
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167 views

libmad - gcc: error: unrecognized command line option '-fforce-mem'

I am in the process of compiling VLC from source on Red Hat Enterprise Linux 7. When configuring VLC I get a message that states that I need 'libmad'. Downloaded the 'libmad' source code from ftp:/...
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469 views

RedHat/CentOS 7.1: Change names of Gnome workspaces

RedHat/CentOS 7.1.1503; GNOME Shell 3.8.4 I name my workspaces after current projects I'm working on (for 1-4 weeks). How can I rename them from "1" "2"... to something like "Vienna" "Berlin"? In ...
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662 views

How can I get “RHEL 7.0 vmlinux” file?

I want to use crash on RHEL 7.0. Since crash needs vmlinux file, but I can't find it on /boot folder, only vmlinuxz: ...... vmlinuz-0-rescue-7c50639231494746b5dffc0a1ff84727 vmlinuz-3.10.0-123.el7....
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65 views

Disk space in windows not representing actual qcow2 image size

The disk space shown in Windows running in KVM does not represent the actual disk space available for the qcow2 disk image. The Windows Management Console shows there is 100 GB for the drive, but ...
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161 views

enabling smtp on port 465 and imap on port 993 for webapps running on centos 7

A CentOS 7 development server is used for prototyping webapps that send and receive email using JavaMail to connect with a remote mail server elsewhere on the internet. The remote mail server uses ...
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1k views

how do I attach devices to connections using nmcli?

An installation of CentOS 7 has two connections and three devices. How can I attach the device ens7 to the connection my-bridge? And how can I attach the device eth0 to the connection my-eth1? ...
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33 views

enable a user to chroot?

I have a script that I am running as a regular user (but one that can sudo). This script relates to BIND and gathers information each time it runs. It has not been working correctly and I noticed ...
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73 views

How to stop automatic upgrade of postgres,mongodb and RHE7 itself?

I have installed Postgeresql, mongodb using yum in RHEL 7.0 few days back, but now they are automatically upgrading. I don't want it to happen. How can I prevent the automatic upgrades?
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351 views

RedHat cluster with rgmanager or pacemaker as resource manager on Oracle VirtualBox

I'm learning RedHat cluster and I have setup a 3 node cluster (Centos 6.7), corosync, cman and rgmanager on Oracle VirtualBox version 5.x. The cluster is working fine (the clustat commmand shows that ...
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719 views

Enabling FIPS on a luks encrypted CentOS system breaks boot password

For one of my apps I need to enable FIPS for OpenSSL, while simultaneously using software disk encryption. VM #1 I launched a CentOS VM instance which was software encrypted during install. The ...
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311 views

How to make boot output verbose?

I use to enjoy watching my red hat then debian then ubuntu machine boot, the boot process was not hidden from my view, now it is, in most of all distros, now, I know I can somehow connect a terminal ...
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303 views

What are the values for VLAN_NAME_TYPE when setting up a VLAN interface on Linux

When creating network interface files in /etc/sysconfig/networ-scripts/ on RHEL/CentOS servers, what are the different values for VLAN_NAME_TYPE and what do they mean?
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114 views

“sort -h” not working in Redhat 5.9. Any way to upgrade it?

I'm trying to sort the folders disk usage in human readable format in RHEL 5.9. I mounted the drive as NFS in Cent OS 6.4, where sort -h option works fine. But in RHEL 5.9, it throws error as ...
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188 views

umask permission - where it works, where it doesn't - ftp vs scp

Src = SJOAM Dest = sjoam2 Connecting to a ftp server, get a file from it. On ftp server side. [oracle@SJOAM ~]$ ls -l total.zip -rwxrwxr-x. 1 oracle oinstall 412 Aug 8 09:03 total.zip On ...
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21 views

Configure scheduling to a program

The program "checking" should be autostart when the machine boot and should be start always with scheduling round robin with priority 27 in Rhel/Centos 7. I can configure this scheduling with cgroups ...
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46 views

FTP not happening on RHEL 6 Server configured using a Vm Player 11

I am not able to ftp to the server server from a client. I am using my base machine as Ubuntu 14.04 . Below is the ifconfig output:- raghav@raghav-HP-15-Notebook-PC:~$ ifconfig eth0 Link encap:...
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56 views

Building RPM results in nothing generated in RPMS directory

I am building a RPM on RHEL. After following https://fedoraproject.org/wiki/How_to_create_an_RPM_package, I put my front.tar.gz in /rpmbuild/SOURCES, and make the spec file like this: Name: front ...
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10 views

Getting htpassword for Red Hat [closed]

yum install httpd-tools doesn't work for me because of some admin privileges or firewall issues. I also tried some httpd-tools rpm (from this page http://rpmfind.net/linux/rpm2html/search.php?query=...
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687 views

iscsi vs iscsid services

From ISCSI clients, we execute # systemctl start iscsi. However, i can see there is another service called iscsid. Can anybody explain about iscsi service vs iscsid service in rhel7.?
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72 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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786 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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528 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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315 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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166 views

Connecting a VT100 terminal to Redhat Linux

I have the following Linux box: Red Hat Enterprise Linux Server release 5.2 (Tikan ga) x86 I'm trying to connect to it, using a Mainframe integration product which supports only the VT100 protocol. ...
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196 views

RPM install add yum repository

Is it possible to add a yum repository as part of the Requires field on an RPM spec file? For instance: Requires: my_custom.repo, software.xyz (only available in my_custom.repo) If not what is the ...
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69 views

Analyzing logs offsite, with a different computer

I have a computer deployed with no internet access. I have small windows in which to copy the log directory to a USB stick and analyze offsite. If I pull the logs off of a CentOS / RHEL system -...
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332 views

createrepo fails with headerRead failed message

I execute createrepo -v --update epel-dir/ and at package number 14173, the process fails with a Python stack trace complaining that: headerRead failed: Header sanity check: OK So, I thought ...
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334 views

Conflicting answers regarding package from rpm, yum and repoquery

I have a few packages on a RHEL 6.5 system which exhibit the following puzzling behavior: The package is installed; rpm -q reports the package as installed; yum search shows that the package is ...
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3k views

Redhat 7 DNS Bind Failed to restart

I am getting Error while Restarting the Named.service in Red-hat 7 Here is my Lab Status and all the Command. Configure DNS in REDHAT 7 DNS Name p1.linux.com IP address 192.168.1.1/24 N/W ID 192....
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443 views

How do I install some required libraries for a program without sudo?

I am trying to run a program on a computer running Red Hat 6.5. This results in the three following errors: "/lib64/libc.so.6: version `GLIBC_2.14' not found" "/usr/lib64/libstdc++.so.6: version `...
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310 views

Where are yum groups defined?

I am setting up a cluster and for whatever reason some nodes do not have all the groups required to set up Infiniband ('Infiniband Support' in particular.) I know I could just find the list of ...
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2k views

How to install webkitgtk1 on RHEL7

I am running software on RedHat Enterprise Linux 7 which requires libwebkitgtk-1.0. Unfortunately RHEL7 comes only with webkitgtk3. In contrast, RHEL6 had only webkitgtk. Other distributions like ...
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906 views

Does dm-multipath schedule I/O?

I have a multipath device I'm interested in: [root@xxx dm-7]# multipath -ll mpathf mpathf (3600601609f013300227e5b5b3790e411) dm-7 DGC,VRAID size=3.0T features='1 queue_if_no_path' hwhandler='1 alua' ...
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321 views

How to setup reverse FTP in RHEL?

Researched: http://www.thecave.info/export-proxy-username-password-linux/ http://stackoverflow.com/questions/5334110/text-based-ftp-client-settings-behind-a-proxy http://www.cyberciti.biz/faq/linux-...
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RHEL openssl conflicts

I am stuck installing PHP 5.5 (to support wordpress) on RHEL 6.3 (Santiago), I think the server was not set up correctly (contractor) and I have ended up with a copy openssl from ius as opposed to ...