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

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How can I lock screen and force re-login after a period of inactivity on different linux distros

I am writing a script to lock screen after a period of inactivity and ask for a password again on desktop activation for different distros of linux. I have achieved the same with the following ...
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16 views

Could a defunct Oracle backup script cause the database to be unavailable?

I have a backup script running on RHEL 6 backing up my Oracle environment that I found defunct this morning. I don't have any more information on the defunct process yet, but I might tomorrow morning ...
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47 views

Flush Postfix mail queue

I'm running an old version of Postix (1.1.7) on my Red Hat Linux and I wanted to flush the e-mails from a specific recipient with postsuper, which comes with the postfix-perl-scripts package. However, ...
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16 views

How can I maximise Netbeans window from the terminal?

I am on CentOS 6 and using VNCViewer to remote in to a box which has four monitors. The problem is VNCViewer won't allow me to click on the Netbeans Window "Maximise" square, top-right, so I can ...
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28 views

Failed login notification at login

I have seen it before when you log into a Linux box wrong, when you do successfully log on, it notifies you that someone attempted to log on as you and didn't succeed. How is this accomplished? I ...
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32 views

asking administrative permissions for remote console session while logging

Errot:to log on to this remote console session you must have administrative permissions on this computer. this error in specific Redhat system. from other systems its working.
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22 views

How to reset the Password for Web UI of Bacula

My colleague is on vacation and I need to configure bacula but I don't know the password for user. So I need to reset the password for user. What is the way to reset the password?
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44 views

How to resolve issue of misconfigured vnc server on centos 7

While configuring vncserver in centos 7,the < USER >field in the vnc file gave me quite a bit of thoughts.whether it was to be replaced with the login name for accessing the ssh or some other ...
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29 views

What are the correct permissions for a non-root user in Red Hat 7?

I imported a pre-made Oracle Developer VM, from Oracle, into VirtualBox and the oracle user (which is not root), can't do anything without using sudo, for the most part. For example, any file I want ...
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48 views

Help filtering logs - auditd

System: RHEL release 6.3 (santiago) Issue: Once I start the audit service I'm starting to get thousands of logs in /var/log/audit/audit.log Most of the logs received are of - sshd Log sample: ...
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9 views

RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
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39 views

undefined symbol inflateEnd while using ssh

I am getting an error while doing ssh from one Linux server to another. Both are running on RHEL 6.2. server1$ ssh server2 ssh: symbol lookup error: ssh: undefined symbol: inflateEnd How to resolve ...
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29 views

Formatting SAN space before Multipathing

I'm having to do some data transfer from some old SAN space to some new. The SAN guys pulled one of paths from my system, and placed it on a new array. So now I have one path going to my old stuff, ...
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12 views

Will I be able to install a service as a sudoer?

I will need to install a custom application as a service on a RHEL 6.2 box this weekend. Will I be able to do this with sudoer powers or will I need the root password for anything?
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43 views

Compatibilty of the following softwares

I am a professor (Mechanical Engineering department) at a college which is making the transition from Windows to Linux. However, we are quite unsure whether all the CAE softwares that we use would be ...
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75 views

What is a good way to globally install packages with npm on a RHEL-based distro?

I am running into an issue where node.js RPM packages from Fedora's repository and packages installed with 'npm install -g ...' are both being installed in /usr/lib/node_modules (npm itself being ...
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24 views

How to instruct RHEL6.5 Linux to save/starts states before crush or restart

I have multiple Workspaces, each responsible for different revisions of the same software. Not to have to recreate all Worspaces and open all tools/windows, I'm wondering how can I instruct Linux to ...
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32 views

SELinux: bin_t type socket-application can access http_port_t ports

I am trying to compromising my application (myapp) to use limited ports. For that, I have decided to assign httpd_t type to myapp. So, myapp could use only http_port_t typed ports & I could ...
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39 views

Finding problem with compact flash filesystem

I have a single board RHEL 5.8 computer that runs from a 4GB compact flash card instead of a HDD. This had been running for several weeks, with an application started and stopped for testing and being ...
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23 views

how to tell chrony to syncrhonize time with specific server periodically

In Windows, somewhere in settings, I can check "Synchronize with Internet time server" checkbox, add ip-address (say 10.20.30.40) and that's it. How can I do something similar with chrony? I've ...
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920 views

Device already mounted on resource is busy

Issue ::: I install Redhat 5.10 x64 on server which had faulty hdd . I removed the old faulty hdd and installed new one with 500GB capacity and after installation i need to copy some data from old ...
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50 views

Gemalto Cyberflex Access 64k smartcard not being recognized by CoolKey on RHEL?

Since I'm new to smartcard integration, I'm not even sure if Coolkey is the problem, but that is the PKCS #11 module that I am using. I'm running RHEL 6.6 with these modules: ...
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141 views

Howto create debuginfo package for sub-package defined in spec file on RedHat?

For example. zabbix.spec has subpackage zabbix-server-mysql, but rpm -ba only create zabbix-debuginfo. How to create zabbix-server-mysql-debuginfo? I found a ...
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124 views

linux + cant installed the package GNOME Desktop Environment on linux red-hat

I have been installed the package GNOME Desktop Environment on my red-hat machine version 6.4 in the end of the installation I get the error about missing RPM- GPG-KEY-oracle directory !!! ...
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102 views

Yum can't download, but curl is fine?

I'm creating a local copy of rpmforge on a RHEL5 host. # reposync --repoid=rpmforge --download_path=/var/www/html/yum # cd /var/www/html/yum/rpmforge; createrepo --database . I have a repository ...
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77 views

Input is disappearing in emacs

I am currently running the latest version of emacs on RHEL 6.6. The issues I am having is that sometimes when I type input, some of the input randomly disappears and will then reappear when I ...
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73 views

Unable to trap “CTRL+C” within kickstart “%pre” bash script

I'm using an interactive pre-installation bash script in a CentOS-7 kickstart image. I was trying to use "trap" to catch user Ctrl+C (SIGINT) and run some code as follows: trap_ctrl_c() { #Some ...
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65 views

Installing xcache-admin after easyapache configuration(issues) RHEL6

I configured my server with easyapache with setups up XCACHE for me. The issue is it doesnt include xcache admin and I need that to use our platform. When I try and YUM the package from EPEL, It tells ...
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38 views

Automated STIG implementation on CentOS7

As someone new to STIG who has done a lot of reading, I'm looking for options on automated STIG implementation on CentOS7. Specifically, I'd like a package similar to the stig-fix-el6 package. My ...
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52 views

Cannot type in login credentials in Red Hat

Got stuck at the login window (Red Hat 6.5) as I cannot type in the login ID. No characters are accepted in the box. MouseOK. Any ideas?
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60 views

unable to update HTTPD, mod_jk dependency error

While trying to update httpd in RHEL6, getting some dependency error as below: Unsatisfied dependencies for mod_jk-ap20-1.2.31-1.x86_64: httpd = 2.2.3 is needed by mod_jk-ap20-1.2.31-1.x86_64 I am ...
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48 views

Xorg consumes CPU, RHEL 7 fresh install

I've installed RHEL 7 with default settings. I wonder why Xorg consumes 30% of my CPUs. How can I know what's wrong and how to fix it? HP DL360p Gen8, dual Xeon E5-2640
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87 views

Dual monitor display: Drag icon to second monitor appears on first monitor

I am running RHEL6 with dual monitor display with separate desktops. I have appended my xorg.conf file which I created using nvidia-settings. All seems to be working well until I try arrange desktop ...
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79 views

Add multiple workgroups in Samba

I am using RHEL 6.5 and I have integrated this server with Active Directory using this guide. As of now, I have configured only one domain in /etc/samba/smb.conf, so that only the users belonging to ...
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23 views

RAID1 not working on 4K Sector Size

I have created a RAID1 configuration with two internal Fusion-io SSDs. When I formatted the cards to a sector size of 4K, Linux kernel will generate hourly errors stating one of the device has failed. ...
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18 views

What means “removing packages from package profile” in up2date in RHEL?

What does "... removing packages from package profile: ['package1', 'package2']" mean in RHEL, in the /var/log/up2date log? I thought it was dependencies, but the software is still present.
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743 views

Rebuilding the Linux yum repository metadata

On a RH 6.5, running yum update I get : "This system is receiving updates from RHN Classic or RHN Satellite. Setting up Upgrade Process Error: Cannot retrieve repository metadata (repomd.xml) ...
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417 views

How to configure teaming in RHEL 7?

I've used RedHat documentation to configure LACP on my server. Now I see "Connecting" on the Team just created: why "team0" is mentioned twice in the list? Why is it "Connecting", not "Connected? ...
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230 views

Configure cron for daily NMon task

I want to configure a cron job for NMon to gather stats during all day, everyday. Leaving a file per day to dump into NMon Analyser. I know the proper command to get a spreadsheet format its ...
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564 views

Remote connection to RedHat virtual machine from other PCs in the network

I have installed a virtual machine RHEL 6.1 using Oracle Virtual Box on my Windows 7 Computer. I have set the network options to Bridged adapter mode, my host Computer (Win-7) is connected on my home ...
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1k views

Tried changing to static ip in RedHat 6.5 using VMWare. Unable to access the internet now

I followed resources on the internet to assign static ip address for RedHat 6.5 installation in VMWare. I am unable to access the internet after that. My terminal output of the files I changed are as ...
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295 views

OPENVPN AS - Could not connect to the test server on the Internet

I have set up OpenVPN on my server and I can access it through Tunnelblick. I am however having issues to set up OpenVPN Access Sever. After Install I noticed that in the server name field there was ...
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825 views

zerombr and clearpart not working in RHEL7

I've been using the following simple partitioning scheme to setup some RedHat machines. zerombr clearpart --all --initlabel bootloader --location=mbr autopart The unfortunate part is that I know ...
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56 views

How to use scanner drivers api in Linux shell script

Usually when scanning any page using Canon DR- 2050C scanner in windows it rotates vertical text paged to horizontal automatically for the easy reading of the user. In Linux we are manually scanning ...
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356 views

bash script to verify rhel patching

we have several redhat servers which we patch from redhat satellite. To avoid confusion, I'll use the term "host" to denote the server which is being patched. We have a script, say, patch.sh, which ...
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18 views

How to increase horizontal and vertical default spacing between icons on desktop at EL6

I have installed centos 6.5, by default icons are appearing very near to each other on desktop. From where I can increase space between them? Any clue? Which file is recommended to modify manually, ...
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22 views

facing issue while installing oracle Database 11g on rhel5 And SOA

While installing required rpms for both SOA and Oracle the below rpms are conflicting with each other glibc-devel-2.5-49.x86_64.rpm and glibc-devel-2.5-24.i386.rpm How can I fix it? one package gets ...
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72 views

Is there anyway to download an entire RHEL repo from windows?

I have a number of offline machines RedHat machines that I need to update, and I have an active RedHat subscription for all of them. I am unable to get an internet connection to these machines so I ...
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25 views

Generate what a GRUB2 kernel line would look like

In GRUB 0.97 we were able to see what the kernel line/options would look like by just viewing /boot/grub/grub.conf. Now the only way I know how to check the next boot kernel options/kernel version ...
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101 views

Problems with permissions for /tmp

I executed command: chmod 1777 /tmp Now I get these results of executing the ls command from root: ls -ld /tmp drwxrwxrwt 4 root root 4096 Aug 9 05:42 /tmp and from not-root user: ls -ld /tmp ...