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

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cannot login system but kept showing “ out of memory killed process”

I edited root ~/.bashrc today, and suddenly the system became lagged so I tried to reboot it. and the screen showed that I cannot login in at all. the system version is redhat 6.5 and there is a ...
5
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4answers
27k views

Movie Player requires additional plugins to decode this file

I'm using RHEL 6 .Newbie to Linux. I'm unable to play the video using Movie Player. It shows an error, Movie Player requires additional plugins to decode this file. The following plugins are required ...
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0answers
12 views

Cannot start GlassFish 4.0 on RedHat 5.11

I successfully installed Java jdk1.7.0_79 and NetBeans 4.0 on my server Red Hat 5.11 Server with these instructions I run GlassFish using the command: [root@lts5srv1 bin]# ./asadmin start-domain ...
1
vote
1answer
24 views

Linux core file not created

I want to investigate why my machine suddenly rebooted but I am not finding the core file. My machine has RH 7 and kdump installed: rpm -qa | grep kexec-tools kexec-tools-2.0.7-19.el7_1.2.x86_64 ...
0
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1answer
33 views

How to migrate to LVM?

There is a machine: [root@SERVER ~]# df -mP Filesystem 1048576-blocks Used Available Capacity Mounted on /dev/sda2 124685 7462 110897 7% / tmpfs ...
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0answers
10 views

core files created even though abrtd stopped

I have RHEL 6.8. core_pattern is set to use abrt, the service is stopped. However, whenever a program crashes, a core file is created in current working directory. How is it possible? $ cat /proc/sys/...
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0answers
18 views

Why I cannot modify system-auth-rc

I am using REHL 6.4, and login as root by SSH. I am trying to modify /etc/pam.d/system-auth-ac, but meet: w:10 Warning: Changing a readonly file I have bellowing right for accessing this file. ...
2
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0answers
37 views

Redhat and Centos servers glibc errors

Please forgive if I am not wording this correctly and my current lack of information, but I am losing my mind trying to figure this out and I am not currently behind the servers in question. I have ...
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0answers
110 views

RHEL Linux 6 teamviewer 9 upgrade error

I had teamviewer 7 installed on my server RHEL 6, but I wanted to upgrade it. I downloaded the latest rpm teamviewer 9 en from here and upgraded it, now my server X window system won't start up. ...
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2answers
10k views

How To Locate Dependencies Needed by RPM Packages

I am trying to deal with keeping our RHEL 5 server patched up, but also dealing with our security constraints. This particular server is not allowed to talk to the Internet. So yum isn't really an ...
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2answers
4k views

Tomcat 7 not producing log output to catalina.out on RHEL7

I have a RHEL7 server with Apache Tomcat 7.0 installed and after a recent update to RHEL7.1 all of the logging to ${catalina.base}/logs/catalina.out was stopped. However I am receiving the logs inside ...
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1answer
64 views

Rename all files

I have 800 file with naming as: Centrum.text.201601-01 Centrum.text.201601-02 till 30 for a month 01 and so on for all the 12 months . I want is to rename all the files in a single go as: ...
18
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1answer
63k views

Nslookup: command not found error on RHEL/CentOS 7

During linux installation I selected "minimal" option: When I went to run the nslookup command to look up an IP address I got the error message nslookup: command not found as shown in the example ...
2
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0answers
50 views

Passwordless SSH access not working with rejected message

I setup SSH passwordless access between two Linux hosts. But passwordless access is not working. Authentication is cancelled with a rejected message as shown below su - wsync -bash-4.1$ ssh node-...
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2answers
1k views

Unable to create partiton when installing RHEL 5.8

I am trying to install RHEL 5.8 on my IBM server. When I try to create a partition manually, I get the following error message. Your boot partition is on a disk using the GPT partition. How can I ...
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3answers
5k views

Change /dev/sd* for USB Linux install?

I am trying to install Scientific Linux 6.1 (which is literally RedHat Enterprise Linux without the branding) by booting its installer from my USB drive. The installer starts fine, but two things ...
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0answers
11 views

How to disable Directory path for vsftpd users

I have configured vsftpd server on RHEL7. The FTP is hosted under /ftprepo Below are some of the ftp folder structure /ftprepo/company1/project1 /ftprepo/company1/project2 /ftprepo/company1/project3 /...
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2answers
28 views

Is there any way to impose user validation with yum?

I am trying to set up a package distribution via yum. Is there any way to restrict who can install the package from the server side (running RHEL 7.1)? I imagine that it is possible by whitelisting ...
2
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1answer
46 views

Long running script stops sending output to file

I have a script that I'm using to capture some status of the server at 10 second intervals. The script is as follows: for (( ; ; )) do /usr/local/apache/bin/apachectl fullstatus sleep 10 ...
1
vote
1answer
69 views

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 "/...
9
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2answers
38k views

How can I run a shell script as a daemon under Redhat?

I've got a shell script, which is essentially a one liner with some logging, which I'm trying to run this from an init script. I'm using the daemon function inside of /etc/init.d/functions to run it, ...
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2answers
7k views

Could not open /dev/vmmon: No such file or directory

I've installed VMWare Player 6.0.1 build - 1379776 on a Red Hat Enterprise linux Server release 6.1 Beta ( Santiago ). When I attempt to start my virtual machine, I get the following the error: ...
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1answer
39 views

How to use the setarch uname command in a shell script

I am trying to create a korn shell script in RHEL7 to silently install an agent at my job. However the agent requires an old version of the agent be installed before being upgraded to the new version ...
2
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0answers
21 views

RHEL / SELinux - Apache unable to write to a directory it can write to [duplicate]

I have a RHEL 7 machine running an Apache web server with multiple virtual hosts on it. I've recently run into an issue where I am unable to upload media, e.g. images / pictures / video, to my machine ...
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57 views

tcpdump: Couldn't find user 'pcap'

I am using RHEL 5.4, tcpdump is already installed also there is a user pcap but I am getting following message. [root@localhost ~]# tcpdump tcpdump: Couldn't find user 'pcap' [root@localhost ~]# ...
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2answers
171 views

zipimport.ZipImportError: can't decompress data; zlib not available

On RHEL 6.6, I installed Python 3.5.1 from source. I am trying to install pip3 via get-pip.py, but I get Traceback (most recent call last): File "get-pip.py", line 19177, in <module> ...
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0answers
25 views

Linux Server Management Tool [migrated]

I recently deployed 13 servers Red Hat 7.2 and I would like to know what will be an ideal server management tool that will allow me to patch, and automate servers within a small environment such as ...
1
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1answer
940 views

No yum repos on Red Hat Enterprise Linux Server release 5.2 (Tikanga)

I have a Red Hat Enterprise Linux Server release 5.2 (Tikanga) system and there is only one repository named rhel-debuginfo.repo and it doesn't seem to work either. Could you point me out some ...
0
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1answer
979 views

RedHat init.d script will not start with service after stop

I have the service script below, which calls a shell script. We changed something in the script When I run the shell script directly, everything works fine. When I restart the servER, everything works ...
2
votes
1answer
1k views

Should reposync download repodata?

I am using reposync on an RHN repo. It downloads the RPMs just fine, but doesn't download repodata. I know I can run createrepo, but I'd like to keep group install info. Is this normal behavior? ...
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0answers
11 views

SSL error with rvm and ruby 2.2.2

I am getting the below error while doing a api call from one app to another: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed We are using using rvm ...
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0answers
50 views

I would like to unload kernel modules that show as busy

I want to unload the modules "gsch and redirfs" from kernel on RHEL 7.2 , which is causing frequent kernel panic. But when I try to unload , I am getting below error. # modprobe -r gsch modprobe: ...
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0answers
16 views

How to know the path of a yum repository? [duplicate]

when I run the yum repolist , I get the follwoing repositories names yum repolist Loaded plugins: rhnplugin, security This system is receiving updates from RHN Classic or RHN Satellite. ...
3
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1answer
38 views

Does Linux Cache Hardware Info?

Questions Does Linux store hardware information between boots? (Such as EDIDs) If so is it possible to configure what gets cached? Background The reason I ask is that I currently am trying to ...
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1answer
35 views

How to convert RHEL rpm to CentOS

My team receives software in a RHEL format from another team. RHEL requires licensing to use and deliver their media. Our team converts the operating system to CentOS which is based on RHEL but does ...
0
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1answer
2k views

Unable to start vncserver in RHEL 7

Following the instructions from Redhat documentation (TigerVNC), I've installed VNCserver in RHEL 7. When I try to start the vncserver service, it returns an error #systemctl start vncserver@:1....
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0answers
27 views

expanding /var/lib [closed]

There are many requests to increase /var and /var/lib by the app teams. I would like to know what are good practices to increase filesystems. I know these fs are under rootvg, it is not a good idea to ...
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2answers
468 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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2answers
2k views

Installing MySQL on CentOS throws error that cannot find mysqld.sock

I have yum install mysql in CentOS 6.4. Now, when I use mysql command, it throws the following error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld....
3
votes
1answer
2k views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...
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2answers
2k views

Installation of Pacemaker Corosync on RHEL Server 6.6

I was trying to install Corosync and Cman using yum install -y pacemaker cman pcs ccs resource-agents This works fine on CentOS 6.3. Tried the same on Red Hat Enterprise Linux Server 6.6 and ran ...
1
vote
1answer
177 views

Apache can't access file while is has permission

I don't want to allow others read access, so I have added my user and the apache user to a group called apachme and then set that group to all the files and folders I want apache to have access to, ...
7
votes
3answers
63k views

pdksh missing from RHEL 6 and CentOS 6?

The package pdksh does not exist on RHEL 6 or CentOS 6 when I try to install it through yum. So my questions: Why is it no longer available in the default repositories? It is available in version 5....
1
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2answers
71 views

`sudo: command not found' when following a tutorial for Let's Encrypt

I'm following a Godaddy help tutorial in order to install Let's Encrypt certificate for my website. So I connected to my server using ssh via Putty. Typing the command sudo git clone https://github....
2
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0answers
23 views

How do you install Django when there is a problem with scl?

scl is installed on RedHat 6. The man pages for scl work. I want to install Django. I believe that a prerequisite is to install SCL for Python. $scl -l returns nothing. I believe that this is ...
0
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1answer
32 views

Custom Linux log in prompt and system health check

I am looking for an existing tool or direction on creating a custom login terminal and system health-check scripts when booting/logging into my linux machine. Upon opening or closing the laptop much ...
8
votes
4answers
36k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
0
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2answers
128 views

How to install specific mysql 5.6.21 version on redhat?

My requirement is Mysql 5.6.21. I tried to install Mysql but it installed 5.6.31 version. I tried following steps: $ yum repolist all | grep mysql It gives following output: mysql55-community/...
0
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1answer
39 views

Redhat & GUI/GNOME Struggle?

We have in our Company SysAdmin so damm stupied and lazy. Everytime I ask him for a Redhat Virtual Machine(VM),He just deploy a ready template with GUI and lot of package,a lot I think he just install ...
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0answers
24 views

Not able to understand the output of FFSB (Filesystem benchmark) ON RAID-6

I'm trying to run FFSB benchmark (https://sourceforge.net/projects/ffsb/) a RAID-6 server and the output is really confusing to evaluate. Distribution - Red Hat Linux kernel version - 2.6.32-504.30....