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

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XFCE4: Changing workspaces while moving window

One of the features that I heavily use in XFCE is grabbing a window with Alt (Alt + click and drag) and then changing to a different workspace (which I bound to Alt+number). The net effect is moving ...
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2answers
40 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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1answer
14 views

characteristics of interface type dummy

I've configured an interface 'nonlocal' with type dummy ip link add nonlocal type dummy on that interface are some IPv6 addresses configured. Now an apache can start with some ip based vhosts on ...
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18 views

Incorrect keyboard mappings on RHEL v6.4

Spent a while trying to create keyboard shortcuts in terminal for command history access (up/down arrow keys). Realized after some frustration that this wasn't the issue - some keyboard keys are just ...
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3answers
75 views

Installing Postfix conflicts with MySQL-server package

I had to install MySQL Server community on our server (team lead did not want MariaDB due to support or something). Therefor I removed MariaDB which in turn also removed Postfix. Now I need to ...
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1answer
37 views

What are the default file permissions in CentOS?

What are the default file permissions in CentOS 5, CentOS 6 and CentOS 7? Is there any difference in the default file permissions between these OSs?
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58 views

what is the canonical way to start a daemon in rhel/centos-6 init script?

I found lots of good documentation for ubuntu's start-stop-daemon and there is a man page for a binary daemon. But from what I can tell the canonical way to start a daemon in a rhel/centos script is ...
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35 views

When I execute a .run file as <user> it works fine. If I sudo run it, it cannot detect Java

I am trying to execute a .run file that will install some applications. I'm installing the application in /opt/... When I run it without sudo, the installer runs correctly but cannot write to /opt/. ...
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3answers
127 views

How to uninstall OpenLDAP in RedHat?

I have installed OpenLDAP with yum, but I have accidentally deleted some of the config files. I am not able to recover them. I want to uninstall it. I tried the following command but it ends with an ...
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1answer
33 views

How to Install “remotely” Binary source from another path location

Suppose this I have a Bynary_Package.tar.gz When i unzipped this: zxvf Bynary_Package.tar.gz -C /path/dir/ Now, I move to cd /path/dir/Bynary_Package/ when I list this with ls -Al I have the ...
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24 views

up2date login & patch APIs for RHEL7

I am trying to achieve controlled patching of the RHEL machines in my network, for which I need to get the patch binaries downloaded onto a windows machine. I have already familiazired myself with ...
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1answer
106 views

yum.conf and installonlypkgs option

We set up our CentOS 6.x system that we could have a different versions of our software by means of installonlypkgs option in yum.conf. For example <mycoolpackage>-1.0.0-0.el6 and ...
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1answer
32 views

redhat 9 persist default gateway

We changed the IP addresses of our RedHat 9 system that controls a conveyor/sorter system. When originally installed many years ago someone chose 192.0.0.10 as the IP! But for some reason it defaults ...
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1answer
60 views

Add Xfce Group to REHL 6.6

I want to install Xfce on my REHL 6.6 (currently I think it uses Gnome2 and Compiz) but yum grouplist does not provide me any kind of Xfce group after I run # wget ...
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1answer
111 views

Kernel version not changing even though the new version is installed

Recently performed software update on a RHEL 6.6 (Santiago). Noticed that kernel version is not updated to latest one that was installed. kernel version before doing software update: [root@server01 ...
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9 views

HP laserjet CP1025 printer not working in RHEL 6.0

I have installed HP laserjet CP1025 on my RHEL 6.0 system . Its discoverable but I am not able to take a print from it. There are no errors or warnings displayed. I have installed its driver by ...
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1answer
72 views

Considering Group and User to Install Apache httpd with different Directory - CentOS 6.6

I removed user and group related to apache, (preinstalled with apache from RPM). I'm the process of Install Apache HTTPD from binary Source "tar.gz" Download httpd-2.4.12.tar.gz Extrat tar zxvf ...
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2answers
212 views

How to let the Firewall of RHEL7 the SNMP connection passing?

How to let the Firewall of RHEL7 the SNMP connection passing? When I did this command on the computer: systemctl stop firewalld All the SNMP packet are passing well. When I restarted firewalld ...
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2answers
217 views

Where is the RHEL7 kernel source code installed?

I install the Linux kernel source code RPM: [root@localhost ~]# rpm -ivh kernel-3.10.0-229.el7.src.rpm warning: kernel-3.10.0-229.el7.src.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY ...
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1answer
26 views

Upgrading `popt` requires to upgrade too many packages

I am currently in the process of upgrading syslog-ng using rpm. In the upgrade process, I found out that syslog-ng has a dependency with rpm-libs which have a dependency with popt. The dependency tree ...
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1answer
26 views

Need help running a command based on a file in the directory

I have some scripts setup that I would like a master script to call based on a files appearance in a directory. Basically I have what's show below. Script A uses file a Script B uses file b ...
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1answer
6 views

Getting htpassword for Red Hat

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 ...
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1answer
20 views

7za with password not working while extraction

I am creating a password protected file using 7za, command: 7za a /usr/test/loc/file.del.7za /usr/test/loc/file.del -p .... Creating archive /usr/test/loc/file.del.7za Enter password ...
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0answers
29 views

How do I get new filesystem formats to use in mkfs?

I am currently attempting to run some benchmark tests using different filesystem formats. However, I can only use the ext family, cramfs, and msdos formats with mkfs since those are the only formats ...
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9 views

Advanced-N 6205 wireless module problem in T430 notebooks

After upgrading a RHEL 6.6 (it was already on 6.6) the built-in wifi card couldn't see any wireless networks, the kernel module couldn't load and this was in the /var/log/messages Jul 2 10:21:47 ...
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2answers
57 views

Multiple NICs and Gateway CentOS

CentOS 6.6 eth0 IPADDR=10.0.0.100 IPADDR2=10.0.0.101 GATEWAY=10.0.0.250 NETMASK=255.255.0.0 eth1 IPADDR=10.120.0.100 GATEWAY=10.120.0.1 NETMASK=255.255.255.0 Gateway on eth0 has Internet access ...
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22 views

How to update my local repo that i am using to serve local machines?

I have created a local repo with 618 packages and made it available for my local servers.So that they dont fetch updates directly from RHEL repo. Here are some info about my local repo: ...
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33 views

Absolute domain names in /etc/hosts?

I have a RHEL7.0 host which has this standard entry in /etc/hosts/: 127.0.0.1 localhost.localdomain localhost So resolving localhost.localdomain works: $ ping localhost.localdomain PING ...
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1answer
25 views

looking for a way to download a list of packages with yum

We are trying to setup a local repo that contains all the base packages. So to get started we need to download around 3500+ packages and save it in a folder that will be used as a Repo storage. We ...
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51 views

Implications creating System Accounts “useradd -r” Linux Fedora/RHEL/CentOS

I want to know what are the implications of create an account using -r option? # useradd -r ... The help says: -r, --system Create a system account. System users will be created with no aging ...
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2answers
36 views

Create a Linux image

Good Afternoon Everyone! First off I am a Linux nooby, been doing windows administration for several years but recently our company has decided to start deploying RHEL servers. Anyways I have spent ...
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1answer
41 views

RHEL internet connection behind company proxy?

Just set up a RHEL v6.4 VDE for development but I can't seem to connect to the internet no matter what I try. I'm sitting behind a company proxy that requires authentication. Here's what I've done so ...
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129 views

LVM volume inactive after reboot on CentOS

It seems like there are many people with similar problems, yet I've found nothing that could help me. I ask here in hopes that someone might have a good idea. I've reinstalled a linux server from ...
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1answer
64 views

Equivalent of /etc/sysconfig/clock in redhat 7

I cannot find /etc/sysconfig/clock in redhat 7. Is there any equivalent file in redhat7??
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1answer
61 views

What does blkid stand for?

What does the command blkid stand for? I want a way to remember it. Also, what is it often used for?
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1answer
50 views

Install OpenOffice from cmd line Redhat Linux 6

I stupidly removed Openoffice from my work laptop and have not managed to re-install it . As its a work laptop I have no internet access(just intranet) so cant download it directly. I downloaded the ...
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2answers
41 views

How to safely closing Intellij from command line?

I'm using Intellij on my Rhel machine. I often use remote login to work from home. But since Intellij allows only one instance at a time, it needs to be killed to start a new instance remotely. ...
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41 views

lp prints blank pages for pure text file

Printing a text file through lp result in blank page while printing same file through gedit works fine. lp is able to print pdf and jpg image files, but not text file. On further looking in to ...
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17 views

Monitor won't sleep RHEL 6.5

I just installed linux and even after 30 minutes the monitor never goes to sleep. I have no idea where to look beyond the power management settings. Tried even setting the turn monitor off after 1 ...
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2answers
118 views

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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38 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
42 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
16 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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0answers
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.
1
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1answer
73 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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38 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
243 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
85 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 ...