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Questions tagged [centos]

Community ENTerprise Operating System; a Linux distribution based on Red Hat Enterprise Linux widely used on web servers.

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Need to debug already running java program

I am trying to debug already running java program. I have performed following at my end but getting version issues. I am using CentOS 6.8. I have attached to the program using gdb and seeing around ...
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21 views

psql undefined symbol: PQsetErrorContextVisibility

so i installed postgresql9.6 on my centos 7 server with bellow steps yum install https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm -y ...
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Eclipse Oxygen 3a java.lang.NoClassDefFoundError

I work in a government building, so I don't have access to install new software of any kind. I have to work with what I have. As of right now I am on a custom version of Centos 7 that I have no ...
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How does Docker volumes handle symlinks?

CentOS 7 - Docker version 1.13.1 - Docker-compose 1.21.1 So I came across this issue that wound up being a time sink and now that I have things working I'd like to understand the 'why'. I have an ...
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Unable to start a VM as a non-root user? Complains about the dac security driver?

I have a VM on a CentOS KVM server. If I try to start the VM as a non-root user, I get the error: $ virsh create VM.xml error: Failed to create domain from VM.xml error: unsupported configuration: ...
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14 views

how to detect hard disk is not usable in centos

A task is to monitor the hard disk usability, no matter if it is distributed storage or hard disk. And when it is not usable, an alarm should be generated. With command iostat, I could monitor cpu ...
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18 views

How to install the .rpms which is required by yum using yum?

I use rpm -ivh --nodeps yum*.rpm to forcely install the yum. Now it can work for me but is there any hidden trouble? How to use yum itself to check which rpms(dependencies) were ignored when I was ...
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ElasticSearch on elk keep running out of space

I got a problem using ElasticSearch Kibana and Logstash and my disk where my data are stored is used at 92% (I got this information by df -h) The fact is I don't need to keep all the information so I ...
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Dovecot sieve filter not working

I created simple filter on Dovecot sieve, file "default.sieve" if header :contains "subject" "VIRUS" { discard; stop; } Unfortunately filter not working, mails with subject contain VIRUS wont be ...
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15 views

OCServ to ask username and password in one page on Cisco Anyconnect

I configured a ocserv server (OpenConnect) on CentOS 7. when I want to connect to it with Cisco Anyconnect Client for iOS or Windows, username and password will be asked in 2 separated pages, how can ...
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9 views

How does an irc daemon like Charybdis work?

I am pretty new to irc, and am poking around in it to try and understand it. I am running CentOS 7 on a VM, and have installed charybdis-4.1.1 and atheme-7.2.10-r2, using this marvellous guide. ...
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24 views

Failed to replace stdlibc++ with libc++, linker phase error

I'm currently working on one of my team's project to build LLVM full clang toolchain (Clang, libcxx, libcxxabi) on a CentOS machine. Previously we compiled our codebase with llvm-toolset-7/clang++, ...
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9 views

“undefined symbol: mysql_kill” error importing MySQLdb

I'm trying to use MySQLdb library for Python on a CentOS machine (7.6.1810) inside a Python 3.5.3 virtual environment. I install the library with 'pip install mysqlclient'. Trying to do a "python -c '...
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19 views

Max key size limit in mongo db installation on CentOs

I have installed mongo db from rpm package as guided by site: "https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/" Now mongodb is working successfully. But now i am suffering the ...
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How to Configure Centos Web Panel Module for Blesta

I run Blesta webhosting auto provisioning software (instead of whmcs) I cannot get the Blesta CWP module to work. There are no instructions in Blesta on how to setup this module and use it. I have ...

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