Questions about the OS, such as Red Hat Enterprise Linux, should use [rhel] or the like. Red Hat is the developer, the company itself.

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1answer
15 views

Recommended way to provide another version of GCC?

I'm on Fedora 23 which installs GCC 5.3.1 by default. For a cross compilation project with libraries which have been compiled with GCC 4.9 I'd like to install GCC 4.9 in parallel. This (very old) ...
1
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1answer
390 views

Centos7 can't connect ot Internet but IP & ssh from local works

[if this is too long you can read from the bottom] Hello previously i have this Centos7 and it worked fine with the internet connection with static IP. The problem started when i installed GUI, ...
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0answers
6 views

REDHAT 7.2 Computer shows black screen after sleep

I use a Lenovo thinkpad W530, nouveau driver on discrete graphics. When waking the computer up from sleep, the computer shows me a black screen sometimes. I have to restart the computer at this point. ...
0
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1answer
4k views

mount command times out when trying to mount between servers

I've got two identical RHEL boxes and would like to mount a directory from one to the other. my command: [me@serv_dev ~]$ sudo mount serv_prod:/my/dir /mnt/my/dir times out after a few minutes: ...
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0answers
17 views

Phantom files possibly? [on hold]

Can someone tell me why if I delete files out of a folder on Microsoft Windows OS, the same folder will still show those files I "deleted" on a Linux OS, specifically Red Hat Linux OS if I copy that ...
3
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1answer
25 views

experiment with ARP (NETWORK lab)

I wanted to know if we ping the loopback interface by typing "ping localhost" at console prompt,could any ICMP packet be obeserved on the output of my TCPDUMP? and why?
3
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1answer
26 views

RedHat - default gateway static route

I am trying to set static routes and I did not succeed. My situation: 2 Nics 4 ports. Eth0 + Eth1 = bond0 (Class c) Eth2 - Active (Class b) Eth3 - Not Active All traffic goes through bond0 (default ...
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3answers
8k views

How to find out total NIC cards and total available physical ports in linux

I need to find out how many total physical ports my server has, and how many of them are in use and how many free. Can you kindly help how to find it: This is what i find from dmidecode output: ...
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2answers
3k views

RedHat Network - Unable to register

I'm trying to register my RedHat machine to my RedHat Network account but when I try, I get this error: Problem registering system: Error Class Code: 70 Error Class Info: All available ...
1
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1answer
4k views

Is it possible to upgrade from RHEL 4 to 6 with up2date(or yum) on or after 2012/08?

I'd like to upgrade my server's os from RHEL 4 to 6 after 2012/08. I know that there are 2 methods to upgrade. 1. directly (RHEL 4 -> 6): 1. buy a new server machine. 2. install RHEL6 on the ...
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2answers
643 views

Crontab command cannot be executed. Error PAM configurations

Here's the command that I would like to execute but it seems not to work. [mdubois@veloce ~]$ crontab -l Autorisation refusée You (mdubois) are not allowed to access to (crontab) because of pam ...
0
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1answer
255 views

Redhat disable CPU throttling

How can I disable CPU throttling? I need this done in order to properly install atlas. I have checked alot of similar questions on google as well as here on superuser and didn't find a solution. ...
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2answers
3k views

How can I enable anonymous access to a Samba share under ADS security mode?

I'm trying to enable anonymous access to a single service in my Samba config. Authorized user access is working perfectly, but when I attempt a no-password connection, I get this message: Anonymous ...
0
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0answers
11 views

Tigervnc full screen to a specific monitor

I'm running a two monitor set-up in Redhat v6.6 and I'm running tigervnc viewer v1.6.0. I want to make the application full-screen on only the secondary (right) monitor, but it defaults to my primary ...
3
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1answer
2k views

Differences in nc (netcat) options on Ubuntu vs RedHat

nc -q -1 local host ${PORT} ${CMD} In Ubuntu, nc may be used as above, with the -q option. See manpage. -q after EOF on stdin, wait the specified number of seconds and then quit. If seconds is ...
0
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1answer
29 views

cd ~/ returns “/home/[myuser]/: not found [No such file or directory]”

Working on a new cloud instance of RedHat (Red Hat Enterprise Linux Server release 6.6 (Santiago)). I'm tring to access user folder and I'm getting not found. I also can't create such because I don't ...
3
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2answers
5k views

Which versions of glibc do different versions of RedHat ship with?

Can anyone tell me (or point me in the direction of an online resource which outlines) which versions of glibc ship with which versions of RedHat? This RedHat document indicates versions of GCC but ...
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0answers
25 views

Error mounting USB on RHEL 7.2 within vmware fusion

I am running two instances of the same RHEL 7.2 version on vmware fusion, one with GNOME gui and one without. I have inserted a USB stick, when I do, on the GUI instance everything works fine, my USB ...
1
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1answer
16 views

Inserting second disk during installation of OS in VMware

Hello I'm installing Red Hat 9(version from 2009). Everything was good until the installation program asked for the second disk, now I don't know how to add the second cd and continue the ...
0
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0answers
18 views

Translate requests' URLs to a web server to fetch pages

I'm on a server (under Red Hat), let say server A, which has access to the web server B but not web server C. Server B and server C are the exact same with different host names and different base ...
0
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1answer
30 views

Not able to install GIT on RHEL 7.1

I am trying to install git on rhel 7.1 using rpm. and i am getting below errors. [root@localhost Desktop]# rpm -ivh git-1.8.3.1-4.el7.x86_64.rpm warning: git-1.8.3.1-4.el7.x86_64.rpm: Header V3 ...
1
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3answers
7k views

Unzip individual files from multiple zip files and extract those individual files to home directory

I would like to unzip individual files. These files have a .txt extension. These files also live within multiple zipped files. Here is the command I'm trying to use. unzip -jn ...
2
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1answer
816 views

CPU L3 cache miss and hit ratio details

I am on a Linux server with Xeon X7560 CPU. How can I see the CPU L3 cache miss and hit ratio details?
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0answers
43 views

How to install Gnome Schedule in Cent Os 7

I tried to install gnome-schedule in cent os 7 but it throws following error but the same package works well in ubuntu. Download url: http://gnome-schedule.sourceforge.net/ gnome-schedule-2.2.2 ...
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1answer
67 views

Unable to connect yum repo [duplicate]

When I am running yum install getting following error. root@datanode# yum list CRITICAL:yum.cli:Config Error: Error accessing file for config file:///etc/yum.conf root@datanode# rpm -ev yum ...
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2answers
789 views

How to configure linux to enforce new users to change their password on first login

I'm trying to configure users password policy on RHEL 6.6 and I want system to ask newly created users to change initial password on first login. Note, that I tried to set EXPIRE variable to 0 and ...
0
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1answer
55 views

RHEL 6.4 - Clean Install - SSD - Does not see hard drive

Apologies if I am missing any pertinent information, this is the first time asking advice on a forum. Requirements: Software: RHEL 6.4 AND RHEL 5.3 - NOT simultaneously, just have multiple ...
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0answers
68 views

Not Getting standard boot countdown screen in Dualboot (Linux 6.2 & Windows 8)

I have installed (Dual Booted) Red Hat 6.2 on a Windows machine. In Windows Boot Manager it is not showing Linux, it only shows Windows 8. I am pressing arrow keys but only Windows 8 shows up. How ...
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0answers
60 views

how to replace “isolcpus=1-13” with “cgroup/csets” (for better latency)?

I've set isolcpus=1-13 in my tuned-adm custom profile: [root@localhost]# tuned-adm active Current active profile: myprofile [root@localhost]# cat /etc/tuned/myprofile/tuned.conf [main] ...
6
votes
4answers
22k views

Command to find files for specific time range

I have few Linux RedHat machines and i must find some files on them. The problem is that they have a lot of files and folders since 2004 year. And i don't know where exactly to look for this files. ...
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0answers
17 views

correct format of file operator in linux

I am trying to execute file:///run/media/CentsOS 7 x86_64/repodata/repomd.xml but it says that directory is wrong. Have I use '' somehow so it could be recognized properly? (CentsOS 7 x86_64 ...
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0answers
118 views

Red Hat live USB creation

I am trying to install Red Hat OS on my laptop. I tried to create live USB disk from .iso file in Ubuntu 14.10 by using Startup Disk Creator, but I am not able to select any other .iso file than ...
0
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2answers
63 views

How to remove characters from the names of files in a folder?

I have a list files in a directory, but some of them has strange characters in the name. How can I rename only this files to delete this characters? The computer OS is Red Hat, charset UTF-8. List ...
0
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1answer
39 views

error: rpmdb: damaged header #1439 retrieved — skipping

Could you please any one help me? I'm getting following error message "error: rpmdb: damaged header #1439 retrieved -- skipping." while I'm trying to install Samba server. I tried Google search but ...
5
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3answers
24k views

How do you create a new network eth?

I have a machine that has eth0 and eth1, and now I want to create an eth2 and assign it some IP address. What's the command for doing this?
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0answers
14 views

Login window won't appear after logout from VNC on Redhat

I am using VNC to log into a HPC running Redhat. I just logged out of my account. Now I am not able to login. Whenever I start VNC, it open a blank window with wallpaper (see attachment) but no ...
1
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2answers
795 views

Dependencies with /etc/init.d scripts

I have a script that start a DB2 database server instance at boot time and another script that starts an application which has as dependency that DB2 database must be up. In Solaris there was a way ...
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0answers
11 views

RHEL 5: Change to static IP- GUI way

I have logged into my Linux machine as root. I'm trying to change the IP from dynamic to static, the GUI way. The problem is when I click on "Edit" for eth0. Everything is greyed out. I don't ...
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0answers
37 views

Black screen in guest application when VMware is windowed

When I use VMware, an application renders as a black screen when windowed, but appears correctly when maximized: The guest OS is Red Hat, running in VMware Player on Windows 7.
1
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2answers
26 views

Unicode fonts in terminal

How can I get unicode fonts in my terminal? Is there a package I could yum install to see more characters? I already have some of them working fine, e.g. 0x2603 snowman works, but others just give ...
0
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0answers
29 views

Unable to setup Network on VMware/ VirtualBox

Host system is windows 8.1. So i install Redhat Linux 5.11 on VMware and VirtualBox. And assign bridged network connection but it is not able to ping the gateway. So in VMware 11.0 Virtual Network ...
0
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1answer
121 views

RPM failed dependencies: libgdbm.so.2()(64bit) on Fedora 22

i try to install RHEL5 x64 rpm package( mochapro-4.1.2-9658.x86_64 ) on Fedora 22, but it wants libgdbm.so.2()(64bit) library which is absent in dnf. it gives following error: Error: nothing ...
4
votes
2answers
162 views

Reboot EC2 Amazon Linux (Redhat-based) from script

I would like to reboot my Linux from a Script. The script does not run as root. Using sudo reboot produces sudo: sorry, you must have a tty to run sudo. A plain reboot gives the error ...
0
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1answer
213 views

I cannot su - into my root account from a normal user

I can't switch normal user to root and I get following error: [user2@server1 ~]$ su - Password: su: Authentication failure I know for a fact that password is correct. Also permissions on my ...
1
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2answers
144 views

Unable to run yum command

I'm unable to run yum command on my Linux machine. I'm getting the following errors: dispsim:~$ yum Failed to set locale, defaulting to C Loading "rhnplugin" plugin Loading "security" plugin error: ...
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0answers
31 views

why I cannot access a folder even though I am in the group

> ls -l ... drwxrwxrwx 70 userA groupA 71680 Oct 30 09:43 folderA ... > groups myusername myusername: groupA > cd folderA/ -bash: cd: folderA/: Permission denied Question> why I ...
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0answers
6 views

iconv adding extra Shift-in 0x0F

we are using the below command to convert the codepage from utf8 to cp935 iconv filename -f utf8 -t Cp935 > out.filename the end file will be in Cp935 encoding for Chinese. At times this ...
0
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0answers
18 views

On Redhat Linux 7.x, is it possible to redirect any printing to a given printer to pdf/ps files?

I am currently testing an application that run reports written in SQR running on a RH linux server. For testing purposes, the printers configured on the server have all been mapped to a single windows ...
3
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2answers
9k views

How to permanently disable firewall in Red Hat Linux

I have followed the below steps to disable the firewall in Linux. After reboot, again firewall is enabled. How to disable firewall permanently? Login as the root user. Next enter the following three ...
0
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1answer
54 views

I am not able to go to the graphical mode in linux redhat 7

I am not able access the graphical mode directly in redhat 7 as every time is as i every time it boot directly into terminal and for GUI mode, had to start it with startx command. so could you help ...