How do I stop sem_open() failing with ENOSYS?

I have two Slackware Linux systems on which the POSIX semaphore sem_open() call fails with errno set to 38. Sample code to reproduce below (the code works fine on CentOS / RedHat). Are there any...

ZPanelcp , Domains activation not work

-Hello everyone , I just rent an a dedicated server (ubuntu 12.4) and i install apache + php, mySQL etc ...but using SSH to creat domains (virtual hosts) it is a litle bit laborer so I decided to...

Getting BouncyCastle to decrypt a GPG-encrypted message

How can I get BouncyCastle to decrypt a GPG-encrypted message? I have created a GPG key pair at the CentOS 7 command line using gpg --gen-key. I chose RSA RSA as the encryption types, and I...

Docker container will automatically stop after "docker run -d"

According to tutorial I read so far, use "docker run -d" will start a container from image, and the container will run in background. This is how it looks like, we can see we already have...

Check status of Mysql replication

I am using Centos 6.7. I have mysql database on my two servers and i have created the replication (Master - Master) on both. Now i want to check the status of replication that is it working fine...

Caused by: org.hibernate.TransactionException: JDBC begin transaction failed:

We are getting error Caused by: org.hibernate.TransactionException: JDBC begin transaction failed: Please find below 8820042 WARN o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState:...

ES-v5.0.1 throw java.lang.SecurityException while snapshot

Elasticsearch version:v5.0.1 Plugins installed: [repository-hdfs] JVM version: java version "1.8.0_92" Java(TM) SE Runtime Environment (build 1.8.0_92-b14) Java HotSpot(TM) 64-Bit Server VM (build...

docker linux container doesn't support driver development?

To develop driver program, we need /lib/modules//build directory. But I found under docker image of centos, even after I yum install kernel-devel There's still no such a directory with all its...

Why I am getting this error in zephir php extension development?

PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/myapp.so' - /usr/lib64/php/modules/myapp.so: undefined symbol: zend_error_noreturn in Unknown on line 0 My code...

Jenkins - Git Submodule Credentials Different from Parent Repo

Background Jenkins is being used to build an artifact from a Git repo that has a Git submodule. The submodule(s) are not in the same repo or even at the same endpoint as the parent project. The...

How to let syslog workable in docker?

My application will send out syslog local0 messages. When I move my application into docker, I found it is difficult to show the syslog. I've tried to run docker as --log-dirver as syslog or...

Fresh install: httpd.service: Unit not found

Currently I'm trying to follow this guide: https://marxtudor.com/how-to-install-wordpress-using-ssh-on-centos-vps/ I'm using Google Cloud Platform (free edition to test) and I've created a fresh...

SSH access to specific LDAP group

I have created one openLDAP server and one client. Now the requirement is to only allow members of some specific LDAP group to do SSH on this client. Client machine i can see the LDAP group using...

Unable to connect to Kafka Broker on Hortonworks Sandbox (HDP 2.6) from my Windows Host Machine on Port 6667

I have downloaded Hortonworks Sandbox (IP: 192.179.144.XXX) on my Windows 10 laptop. I have the HDP Sandbox running on VMWare. Below is my sandbox information: Created on: 19_04_2017_19_09_16 for...

How to change the internal IP of Kubernetes worker nodes?

I am trying to deploy a K8s cluster from scratch using Kelsey Grammer's Learn Kubernetes the hardway guide. In my case I am using vagrant and VirtualBox. Each of My Master and Workers have a dhcp...

Running composer as a normal user instead of a root/super user on CentOS 7

When i try to install a php composer dependency regardless of from where i start, it always asks for super user privileges. I've followed many recommendations for running without root privileges,...

curl: (35) TCP connection reset by peer

I want to setup telegram bot webhook from CentOS, but receive an error: curl: (35) TCP connection reset by peer My request: curl -F "url=https://12.34.56.78:8443" \ -F...

Error: Unable to find a match phpmyadmin when i try to install phpmyadmin on centos

[[email protected] ~]# sudo yum install phpmyadmin Last metadata expiration check: 0:57:18 ago on Sun 05 Jan 2020 01:05:52 PM CET. No match for argument: phpmyadmin Error: Unable to find a...

Ansible with Python3 on RedHat/CentOS 7 (python3-dnf issues)

I'd like to run Ansible tasks with python3 as the interpreter (there are lots of reasons for why to go to python3 ... one of them being that python2 will not be supported anymore by...

Oracle 19c and "no valid ip address returned for the host"

I installed oracle 19c on centos 8, there was an error during installation when configuring the listener. Manually running Net Assistance (/bin/netca) and trying to add a listener ends with a...

HTTP load failed with status 403. Load of media resource

my friends have problems with centos webpanel, i use php native, when i add audio on the web an error appears : HTTP load failed with status 403. Load of media resource my code : <audio autoplay> ...

Why is the aws cli not found on amazonlinux2 ami?

The AmazonLinux2 AMI I am using for my Docker hosts does not appear to have the AWS CLI installed. The log has an error from the user data script that tries to run an aws...

how to create symbolic link in .net core on a linux platform

I have a folder with some file inside of it I need to move those files and create a symlink instead. As a cross-platform, this will be run on linux and maybe in windows in the future How to...

Error trying to connect Power BI Desktop with MariaDB running on Docker CentOS 7

I was trying to make the connection but Power BI shows this error: "The 'Driver' property with value '{MariaDB ODBC 3.1 Driver}' doesn't correspond to an installed ODBC driver." I've been...

Kibana startup fails with License information and later with Unable to retrieve version information

I'm tried to follow this guideline for installing ELK on Centos 8 (on top of one AWS cluster). After installing elastic and kibana, the kibana startup failed with: *"message":"License information...

wildfly 23.0.1.Final with jaegertracing exception

I am running on Wildfly 23.0.1.Final (openjdk 11) under Centos 8. I am not using opentrace in my application at all and i also did not add any jaeger dependency. Whenever i look in the logs, i...

ModuleNotFoundError: No module named 'grass' | GRASS GIS | PYTHON3 | CENTOS 7

I want to run grass78 on an amazon-linux machine, with centOS, no GUI. By great difficulty, I was able to install GRASS78 (the latest stable release from https://grass.osgeo.org/download/). When I...

Issue with GeoServer login with SSL

I have a tomcat apache installed with ssl on Centos and I have deployed GeoServer as webapp into tomcat…when I access GeoServer through tomcat as https://XXXX.XXXXXXXXX.com/geoserver/web/ and...

EFS CSI Driver mounting

Trying to configure EFS CSI driver configuration in EKS cluster with dynamic provisioning, i followed https://docs.aws.amazon.com/eks/latest/userguide/efs-csi.html this documentation but still not...

Tensorflow setup in R | Error: Failed to load the native TensorFlow runtime

For the last 5 days, I am trying to make Keras/Tensorflow packages work in R. I am using RStudio for installation and have used conda, miniconda, virtualenv but it crashes each time in the end....

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