Questions tagged [centos]
Community ENTerprise Operating System; a Linux distribution based on Red Hat Enterprise Linux widely used on web servers.
1,292
questions with no upvoted or accepted answers
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Files being created with the wrong owner
I'm using AWS sagemaker and today I went to commit some files and got this error:
Bad owner or permissions on /home/sagemaker-user/.ssh/config
fatal: Could not read from remote repository.
Please ...
5
votes
0
answers
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Failed to adjust OOM score of renderer with pid X: Permission denied
I'm not sure what exactly causing, but I'm getting following error:
Apr 11 12:30:00 X alacarte-made-2.desktop: [1712:1735:0411/123000:ERROR:zygote_host_impl_linux.cc(162)] Failed to adjust OOM score ...
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Memory Usage of `yum update`
I was updating a slightly out of date server with yum update and ran into memory issues. It appears that yum requires enough free RAM to download each package.
Updating single packages was not a ...
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No browsing issue on PPTP VPN Server on CentOS 6 64bit
I am trying to setup a VPN server in CentOS 6 64-bit.
I used the first 4 steps of following document to setup the server in How-to-setup-your-own-vpn-with-pptp.
And I successfully managed to setup ...
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mdadm RAID monitoring no DegradedArray email
So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working.
The system in question is a ...
5
votes
1
answer
1k
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BSOD, MBR corrupt, tried to fix using Testdisk on Linux dual boot, now nothing works
The short story is I received a BSOD from a Windows program. I then couldn't boot Windows. My system is set up with GRUB to dual boot into CentOS, so I booted into CentOS and attempted to fix the MBR ...
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How to find out which client has file lock on NFS
We have a Centos 7 cluster backed by NFS4. There are some files on it
that running flock with LOCK_EX blocks (and with LOCK_NB returns
resource temporarily unavailable). Only a handful of files, ...
4
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answers
3k
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Installing Unity desktop into Centos 7
I am very much familiar with Ubuntu's Unity desktop and my company uses Centos 7 for development which is not controlled by me.
Are there any manuals or wikipages that instructs about installing ...
4
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1
answer
3k
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How to set up Postfix to save the message body in the log file?
I need all the body of incoming and outgoing messages are written to the log file. How to setup Postfix to do that?
4
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answers
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What are the steps to enable Apple monitor on Centos 7
I have Centos7 installed on a Dell XPS L502X which has a thunderbolt compatible? (Mini DisplayPort) port. I've plugged in my Apple Mac monitor but predictably enough Centos detects it as an unknown ...
4
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262
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Need noacpi in CentOS 6.4, not in RHEL 6.4
I've been trying to fix a rather odd problem that I've seen on our new Dell R5500 (Xeon based workstations).
We want to run CentOS 6.4 64 bit on them. We did a base install which worked fine, however ...
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CentOS Freezes on Startup
I'm very new to Linux, so please go easy!
I created a Linux install on VMWare Workstation 8 in order to install a piece of software called OpenClinica. The program is Java based and depends on ...
4
votes
2
answers
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How do I install the latest gcc 4.7.0 on centos 6.2?
[root@localhost dyliu]# yum list gcc
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
* base: centos.mirrors.tds.net
* extras: centos.mirrors....
3
votes
1
answer
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Setting NVreg_RestrictProfilingToAdminUsers=0 on Centos 7
I've run both nsight profiler and nsight compute and i get the same issue:
nvprof log: /home/centos/nvvp_workspace/.metadata/.plugins/com.nvidia.viper/launch/0/nvprof_21332.log
==21332== Warning: ...
3
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0
answers
662
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Issues Updating aws ec2 Instance
Whenever I try to update my EC2 instance, I get the following error:
Loaded plugins: priorities, update-motd, upgrade-helper
amzn-main ...
3
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1
answer
270
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Problem with shared folder SAS University Edition on a Mac using Parallels Desktop
I've managed to install the SAS University Edition (SASUE) as a VM on Parallels Desktop 14. The appliance works, but the shared folder is not showing up. I managed to install the Parallel Tools onto ...
3
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1
answer
3k
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Allow users to download files via SFTP, delete files, but not add or modify
I have an SFTP server on CentOS 7.4 (through the standard sshd), and I want to adjust the server so that users can download files in their directory, delete files in their directory, but cannot upload ...
3
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1
answer
2k
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uninstalling vim-minimal also uninstalls sudo in Centos 7.4
Setting up a new CentOS 7.4 machine. I installed vim using sudo yum install vim, and then I uninstalled vim-minimal with sudo yum remove vim-minimal. Now sudo has been uninstalled:
$ sudo
-bash: /...
3
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1
answer
2k
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vagrant up hanging on “Sending SSH keep-alive…”
This issue happened when there are 2 NIC on centos7, 1st is default NAT enp0s3, 2nd is hostonly private network interface enp0s8.
vagrant did "service network restart" via ssh before enable enp0s8, ...
3
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1
answer
1k
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ZFS administration impossible when `zpool` commands hang
I am finding zfs to be poor at dealing with hardware faults, to the point it completely hangs and no utility can be used until the system is rebooted. Is zfs considered production level?
I am working ...
3
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0
answers
1k
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Centos 7 Gnome 3.2 Freezes - how to diagnose?
I am running gnome 3.20 on a Centos 7 machine, to run an application based on Chrominium Engine.
I am experiencing complete freezes every few hours (sometimes after 5-7 hours, sometimes after 24+ ...
3
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2
answers
798
views
How can I wget from a website that doesn't provide direct links?
I'm trying to download a large file from this website onto a remote server running CentOS. Usually, I simply right click the link, copy the address, then wget [address], but this website has weird ...
3
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733
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Taking a 'snapshot' of centos 7
So I am trying to basically move all my settings/files on my Centos 7 server elsewhere. But I am unsure as to how should go about this.
I researched on what I should do, and I came across a digital ...
3
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3k
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OCI8 extension not loading in PHP 5.4, CentOS 7
I have a CentOS environment running as a VM guest. It runs and Oracle 12.1 Database, along with PHP 5.4.16, on Apache 2.0.
I've gone through the installation steps to ensure that the correct OCI ...
3
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1
answer
2k
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Can't install python requests library on Centos 5.11
I'm running Centos 5.11. I'm trying to install the python requests package. But pip keeps giving me syntax errors.
pip help returns
[root@32437-201824 bin]# pip help
Traceback (most recent call ...
3
votes
1
answer
5k
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Kiosk mode and auto login and single application mode in CentOS
We have a machine running CentOS 7, GDM, KDE 11 (installed from CentOS DVD)
We have been struggling a few days with this issue, tried to search for a solution but unfortunately most of the material'...
3
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0
answers
302
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Set up Dynamic dns server
I am trying to set up a server at home. The network the server is on will be assigned a dynamic IP address from the ISP. I have looked into services such as DYNdns for a dynamic dns service. However I ...
3
votes
1
answer
2k
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CentOS 7 Can ping but cannot browse
I have install CentOS 7, I unable to update unless I add the mirror list into my /etc/hosts.
I can ping to what ever domain but cannot browse unless I put the address in my hosts file.
The ping ...
3
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answers
837
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request_module: runaway loop modprobe binfmt-0000
I'm running CentOS 7. Everything was working fine, until I had one pending update, which I accepted and rebooted.
Now the system fails to boot and instead reports:
request_module: runaway loop ...
3
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answers
770
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How do I recompile Python in VirtualEnv?
I built virtualenv and it adds Python 2.7 by default in it. After reading this solution to a bug I have, it says I have to recompile Python with the option --enable-shared. So should I rm -rf Python ...
3
votes
1
answer
2k
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Is there a Vim 7.3 or 7.4 package available somewhere for CentOS 6.5
I'm running CentOS 6.5 and the only Vim packages available from yum are for Vim 7.2, even though Vim 7.4 is now out. A lot of the Vim plugins I typically use are only compatible with Vim 7.3 and ...
3
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2
answers
1k
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Which package contains the `most` command
I feel extremely dumb for asking this, but:
On CentOS, which package should I install to have the most command (a really nice pager)? A google search turns up way too many irrelevant results. A ...
3
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2
answers
4k
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Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files
First, we create 2 partitions on the USB stick that
is let's say 16GB.
first partition is let's say only 1GB
and the second partition is the rest of what is available.
after we "w" write the changes,...
3
votes
2
answers
18k
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Version `GLIBCXX_3.4.15' not found in CentOS (in file /usr/lib/libstdc++.so.6)
I try to use a program and I get the following error.
/usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
Under /usr/lib64 the libstdc++ I see is libstdc++.so.6.0.13 (and a soft link).
...
3
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1
answer
1k
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Wicd set up on centos
I am having difficulties with wicd on start up on CentOS 6. When it starts up it complains that it cannot connect to the DBus and that the daemon has shut down. When I check the log file there is ...
3
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0
answers
1k
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Is my CentOS library multiarch? And what does that mean?
On CentOS release 6.4, I am trying to run a binary. However, it gives the following complaint:
(...) requires "/lib/libuuid.so.1" to function.
From a quick search, I can see that the only similar ...
3
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1
answer
1k
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Sudo <any command> throws: Command not found but works without sudo
I'm on a CentOS VPS and using RVM and Capistrano to deploy. for some deployments I need to use sudo, but when I deploy with something like:
desc "Restart the application services"
task :restart, :...
3
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0
answers
922
views
How do I install sass on centos 5.9 with ruby 1.8.7?
I have CentOS 5.9 on an x86_64. I've installed ruby 1.8.7. Whenever I try to install sass I get an Error saying sass requires Ruby version >= 1.8.7. but that's what I have installed. This is the ...
3
votes
1
answer
205
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Updating a modified Prestashop
I don't know if this is the proper forum for this; didn't really seem like a Stack Overflow question, so if I'm in the wrong here, do point me to the correct SE site.
Anyway, I have a Prestashop 1.4....
3
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0
answers
5k
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setup vpnc to use vpnclient certificate for authentication
I am trying to access my company VPN using my Centos 5.5 laptop. I have the vpn client certificate issued by my company's IT dept. I am able to access the webmail using the same certificate which I ...
3
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2
answers
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CentOS connect to the internet
I installed CentOS, but it didn't automatically connect to the internet. Is that the normal behavior? I have Ethernet Broadband Router DI-604 and WebStar DPX2203 series Cablemodem with EMTA . What ...
3
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1
answer
20k
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How to force `yum reinstall` to overwrite changed files in a `/var` sub-directory?
I have a software package[1] that is already being used by multiple users.
Its RPM is created with Cmake.
For historical reasons, the software package installs some files in a subdirectory of /...
2
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0
answers
118
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Easiest way to set up a "proper" VPN on a CentOS server, allowing an Ubuntu or Windows client to connect to it
I am using Ubuntu at home. I have a server in the US with CentOS.
With my system administrator days long gone (about 25 years ago), the question is: what's the easiest, least painful way to make a ...
2
votes
1
answer
112
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How can I enable streaming (flush/ob_flush) in CentOS 8 stream with PHP-FPM?
I have a new install of CentOS 8 Stream with Apache and PHP-FPM setup using all defaults (this defaults to PHP 7.2.24 FPM/FastCGI).
My application uses Server Sent events using JavaScripts EventSource ...
2
votes
1
answer
2k
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Fresh new Centos on Oracle VM Virtualbox: Kernel panic - not syncing: Fatal exception
New Windows11 setup with Oracle VM Virtualbox 6.1, trying to install first VM using CentOS Stream9 iso. During iso boot system crashes: Kernel panic - not syncing: Fatal exception. I thought there was ...
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6k
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Can't ping Internet IPs from Docker Container
I am unable to ping any public IP from docker Container (CentOS) it's not about hostname or any DNS but IP, can ping to the docker0 network IP 172.17.0.1 but not to the internet IP
[root@09ae7f091d98 /...
2
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123
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Packstack Issues with External Networking and Floating IP Addresses
I've been working on getting a packstack configuration set up for a little while now, but have been left scratching my head here and could use any and all pointers for this one.
The issue:
Outbound ...
2
votes
1
answer
359
views
Create new SSH user and give him permission to an existing directory
Im trying to create new user called svecias and give him permission to connect via SFTP only to existing directory and deeper (/usr/share/nginx/itsupply).
Currently directory is owned by nginx in ...
2
votes
0
answers
740
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bashtop and bpytop do not display properly in putty
I have installed bashtop or bpytop (on a minimal CentOS install) but I just get a jumbled mess of colour blocks on the screen. I've made sure to do sudo yum upgrade and rebooted, but still garbled ...
2
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468
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CENTOS 7.2 + installing docker on OS with XFS file system
We have 12 machines with CentOS 7 servers ( VM servers ) where the root file system is XFS (created with ftype=0, default CentOS setting at the time the system was installed).
And we want to install ...