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

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Redhat Linux Server : Plone installation

Unable to install any package using apt-get installer it shows sudo: apt-get: command not found -How to install apt-get package over server ? -I am trying to install Plone over my server so by ...
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29 views

RHEL reallocating space

I am new to RHEL 6 and I seem to be at 99% on my /usr: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/rootvg-root 3.9G 2.0G 1.7G 55% / tmpfs ...
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14 views

CPU frequency stuck at minimum on Red Hat Enterprise Linux 6.7, GNOME2 panel applet won't change it, cpufreq-selector hangs

I am running a remix of Red Hat Enterprise Linux 6.7 maintained by my company's IT department on a ThinkPad T430. Every now and then, my CPU will remain stuck at minimum speed and as a result my ...
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17 views

RHEL Jenkins email notifications failing

RHEL Server release 6.7 (Santiago) I know there have been multiple questions about this on SO (none of which have helped me solve my problem), but I think my problem pertains to Linux more so than it ...
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1answer
97 views

yum + how to install VIA internet and not from local repositories

I have Linux red-hat machine version 7.2 I am using local repositories on the server - starmachine in order to install by yum root@test:/etc/yum.repos.d # more redhat.repo # # Certificate-Based ...
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3answers
65 views

redhat + how to download rpm from red-hat site

I need to down load the following rpm from red-hat formal site kernel-debuginfo-3.10.0-327.10.1.el7.x86_64 is it possible to use the following rpm command for download ? rpm --import ...
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27 views

Mount network share at user logon Red Hat

I'm looking to mount a network share on Red Hat at the time the user logs on with their credentials. The user authenticates through LDAP using Kerberos and we have a network share that holds their ...
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1answer
84 views

How to make “Ctrl + L” to clear screen in ksh under Red hat linux?

I am using putty to connect to the Red hat linux server. My shell under linux in Korn shell. I am used to clearing screen with the "Ctrl + l " combination. Some how this combination is not working ...
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1answer
94 views

Video drivers problem only when tunneling X through ssh

I am a reluctant sysadmin who inherited the responsibility for configuring a RHEL 6.7 server (operating inside a VMware virtual machine) to replace an old physical server. On this new server, certain ...
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1answer
41 views

How to check if a directory exists I don't know the exact name of it with a bash script

I need to check if a directory already exists, in this case the one with a number suffix, and I won't know the exact number. Example directories to search: /usr/ names names.backup names.20160316 ...
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19 views

Error 256 in OS install disc image

I have created a yum repository by the OS install disc image trick because I have no subscription. But when I try to install any package using yum, I get the 256 error (there is no mirrors to try).
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2answers
98 views

What's the best way to edit a file with a bash script?

Using /bin/bash on RHEL 5.8 and I want to automate editing a file. I need the script to search the file and replace a line in the file. Line example: Other line Current date 01121990 Other line ...
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10 views

How to run kvm virtual machine with console? [duplicate]

When i run virsh start vm_name it boots in background. I want to access the grub while vm is booting. Is this possible to run virsh start vm_name with some kind of console? (I am using RHEL 6.5 on ...
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29 views

Red Hat to Debian timezone and time adjust setup

When migrating timezone and time adjust setup from a Red Hat to another Red Hat, I only needed to copy /etc/localtime and /etc/adjtime and it solved the issue. Migration worked perfectly. The problem ...
1
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1answer
80 views

Install GCC 4.8+ on rhel x86_64 workstation 6

I want to install gcc 4.8+, preferrably 4.9 on my Red Hat Enterprise Linux Workstation release 6.7 (santiago) I have a subscription to rhn-classic. I tried installing devtoolset as given in ...
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46 views

Linux + why dropping issue displayed from ifconfig but not from ethtool?

we have Linux VM red hat 7.2 version with two LAN interfaces the Linux machines are ruining on ESXi - 5.5.0 and we have very strange issue , the conflict is between the ifconfig command to ethtool ...
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1answer
52 views

Saving RPMs installed by dnf

I've got a question about yum. When I upgrade my system using dnf, it downloads packages from the Web. Can I set dnf configuration so that I could save rpm files for later use, with the same system ...
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1answer
69 views

Puppet: Forcing user to change his password at next login

I am using `users' resource to create unix accounts and then set a default password. For this I have written the following manifest . node 'node2.example.com','node3.example.com'{ user { 'askar': ...
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1answer
60 views

Restrict login via user group in access.conf

I have been working on getting /etc/security/access.conf to work as expected and so far every user can still login. Details are below. I added the following line to /etc/pam.d/login account ...
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1answer
32 views

Executing command for sendmail not working

Good Day, I'm still new in Linux CLI and I'm using RHEL 6. I'm executing command for sending email via terminal. $ cat log.txt | mail -s "Logs" myemail@e.mail.com Hosted by outlook365 When I try ...
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2answers
223 views

How can I upgrade OpenSSL version to openssl-1.0.1s in RHEL 5 machine?

My current openssl version is openSSL 0.9.8e-fips-rhel5. I want to upgrade this to openssl-1.0.1s. The yum update openssl will not work here. I removed openssl binaries from following path ...
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1answer
112 views

yum clean all gives multiple string errors

When I am trying to connect instance to Satellite Server it's failing. I tried to perform basic system updates and tried running yum clean all. However, I am getting following lines: Traceback (most ...
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1answer
32 views

Can not build own container [closed]

How to build redhat 7.1 container ? I used, FROM redhat:7.1 yum install httpd and, below error I have to face. Sending build context to Docker daemon 2.56 kB Step 0 : FROM redhat:7 Trying to ...
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31 views

What does “mediaid” do in yum repo definition?

I'm performing an offline upgrade of rhel 6.5 to 6.7 using downloaded iso. https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Deployment_Guide/s1-yum-upgrade-system.html ...
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1answer
54 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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2answers
28 views

Install packages locally (without root account)

I am working with Red Hat Enterprise Linux Server release 5.9. As it is, I do not have any root privileges and I also do not have the option of getting new packages installed by the sysadmin. While ...
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85 views

Unable to su to any user as root on Red Hat 6.7 server

System: Red Hat Enterprise Linux Server release 6.7 (Santiago) I am trying to su to kms user(OS user) as root but i keep getting error saying You are required to change your LDAP password ...
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1answer
57 views

How to fix “Failed to mount root filesystem - failed to open /dev/console” in RedHat after Cloning Disk

After cloning my HDD by Norton Ghost to a new one, I moved the new disk to new PC (with different hardware). In the new PC , I see this message at boot, as you see in this screenshot: What exactly ...
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60 views

Linux Packet Drops Increasing Over Time

I have Linux machine red-hat version 7.1 ( VM machine ) I see that dropped value increase every second!!! Please advice how to find the problem , and if red-hat 7.1 need some patch update in order ...
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1answer
182 views

Installing Docker on RedHat fails with 403 forbidden

I'm trying to install Docker on a "Hat Enterprise Linux Server release 7.2 (Maipo)" according to these instructions but sudo yum install docker-engine fails with: ...
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206 views

yum install net-snmp-utils -> No package available

I want to install SNMP packages (snmpget, snmpwalk etc.) on RHEL 6 but I receive "No package available" error: [root@RHEL-9220 ~]# yum -y install net-snmp net-snmp-utils Loaded plugins: aliases, ...
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2answers
47 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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1answer
19 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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42 views

Red Hat vNIC(Virtual NIC) association to physical NIC

I have a virtual network interface named bond0.700 connected to a vlan (ID 700), and 6 physical NIC (eth0 to 5) on RHEL 5.5. Hint : [root@rhle ~]$ cd /sys/devices/virtual/net [root@rhle net]$ ls ...
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1answer
39 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 ...
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1answer
34 views

RHEL7 “Too many authentication failures for”, MaxAuthTries has no effect

I'm using Kitty (putty clone) and Keepass agent (similar to pagent). Keepass agent contains 5 ssh keys. This setup works fine with all linux boxes I've encountered so far, connection to our new ...
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2answers
50 views

Sendmail : save email into a file

I use sendmail to manage the emails of my website. I'm testing features which require to send emails, and I'd like to receive these emails in a local directory of my server, store them as text files ...
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3answers
63 views

get notification when Red Hat releases update/patch for $PACKAGE

I wish to get email notifications when RedHat releases an update/patch for only certain packages. # rpm -qa | grep maria mariadb-5.5.41-2.el7_0.x86_64 mariadb-galera-common-5.5.41-2.el7ost.x86_64 ...
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22 views

RH : Unable to change permissions on a mounted FS

I've got a mounted CIFS share on a Red Hat folder where I can't change the permissions. I have some others shares where everything is working fine but for this one, I can't change the permissions. ...
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2answers
93 views

yum/rpm inconsistencies

I'm using RHEL 5 (64-bit) and have come across an inconsistency with rpm/yum. When I attempt to install a 32-bit RPM, I'm told the RPM is already installed when only the 64-bit version exists on the ...
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1answer
334 views

Best practice for installing Oracle 11g R2 on CentOS 7 / RHEL 7

I am a new user. I tried to log into chat to ask advice in framing this question, but I need at least 20 reputation points to participate in chat, so I am asking here with the intent of improving my ...
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1answer
45 views

How do you install Ack-Grep on Red Hat Linux 6.5?

I'm not sure how to install ack-grep for redhat linux 6.5. Google only returned results on how to install it for mainly centos and ubuntu only. But what about Redhat? Why isn't there that many users ...
3
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1answer
121 views

Decoding ASN.1 messages using Openssl asn1parse tool

I am using openssl asn1parse tool over RHEL, I have my own ASN.1 abstract syntax file, called TestModule.asn1, when I am trying to parse a message using following command: openssl asn1parse -inform ...
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2answers
98 views

Why does root need to enter a password when executing specific commands?

On a certain RHEL5 machine, when root is executing commands such as passwd someuser or any other privileged command, the root password is requested for verification and the command can't be executed ...
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1answer
34 views

Automatically set append attribute for newly created files/folders?

I'm trying to setup a folder so that users can only create or modify files/folders in it, but not delete them. I tried the 'chattr +a' command and got different results in RHEL5.8 and RHEL6.5 ...
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8 views

How to permanently set a password for ipaserver client accounts

I want to setup a password for RHEL/Centos ipaserver client accounts but it seems I have to keep manually resting it on the ipaserver host. Is there a way to persistently set it?
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1answer
47 views

NFS COMMIT operation not being invoked despite fsync being used

I have been doing some elaborate testing to determine if our NetApp NFS (v3 protocol) server in async mode properly honors the client's fsync request. I've hit a wall when I discovered that Linux ...
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2answers
47 views

Efficient way to deploy a custom kernel onto multiple hosts

I recently had to do a custom build of the Linux kernel from its source. That custom kernel is now installed on the machine I used to build it and works fine. Now there are other similar systems ...
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2answers
56 views

Could the compile procedure be the real difference between Red Hat EL and CentOS? [duplicate]

The last few days I'm itching to change the distribution I'm using for years, Debian. Since stability is of major importance for me and I'm not interested in bleeding edge features, I've decided to ...
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1answer
81 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 ...