I have a Linux process that runs on RHEL7 and is started by systemd. When the process is stopped, I need to know if it is being stopped because of a system shutdown or reboot, and I need to be able...

Unable to start postgresql-9.5 on CentOS 7. I followed this page - https://wiki.postgresql.org/wiki/YUM_Installation - for installing the database server on CentOS. I tried the same after settin...

I've got a Java8 application running on RHEL 6.10. This application registers a shutdown handler via the usual method: Thread shutdownThread = new Thread(()=>{ Logger.info("Got shutdown signal...

I am new to docker and cannot understand these errors. So, Please let me know if any more information is needed. `$ docker --version` Docker version 1.12.6, build 88a4867/1.12.6 `$ docker info` ...

I am trying to use the below pip install command, but its failing with Proxy authentication required issue. I have already configured my proxies inside my RHEL7.x Server. Command Used: `pip instal...

In my REHL server I'm going to install WebLogic server, But while the installation it shows the following, Launcher log file is /tmp/OraInstall2014-12-03_01-46-31AM/launcher2014-12-03_01-46-31AM...

I have a multithreaded process running on RHEL6.x (64bit). I find that the process hangs and some threads (of the same process) crash most of the time when I try to bring up the process. Some thre...

I am trying to install Docker CE on RHEL using this link. This is my RHEL version: Red Hat Enterprise Linux Server release 7.3 (Maipo) When I execute this: sudo yum -y install docker-ce I am ...

I have just installed Kibana 7.3 on RHEL 8. The Kibana service is active (running). I receive Kibana server is not ready yet message when i curl to http://localhost:5601. My Elasticsearch ins...

I wanted to make python3 my default on rhel so I followed the following at How to set Python3.5.2 as default Python version on CentOS? sudo ln -fs /usr/bin/python3 /usr/bin/python It changed the...

I am getting Requires: fuse-overlayfs >= 0.7 error while installing docker in RHEL-7. sudo yum install docker-ce Loaded plugins: fastestmirror, langpacks, product-id, search-disabled-repos, subs...

I need to specify common attributes for one of the major directories in the package, and special permission for some of it subdirs. e.g. %files %attr(-, myuser, mygroup) /opt/myapp %attr(750, myu...

Is there a way to permanently enable custom Software Collections for RedHat? I have installed an scl to provide python27 in RHEL6 and don't want to have to enable the custom scl every time.

I have a singlethreaded Unix process that communicates over TCP with other processes. The problem is the following. When I start up the process it hangs (no busy loop) until I kill it. The funny th...

I am new to computer science. My project requires to use CLIPS rule based engine and it runs in a RHEL box. Looking at the download link for clips (http://sourceforge.net/projects/clipsrules/files/...

NFS Mount is not working in my RHEL 7 AWS instance. When I do a mount -o nfsvers=3 10.10.11.10:/ndvp2 /root/mountme2/ I get the error: mount.nfs: requested NFS version or transport protocol i...

I'm trying to install certbot on RHEL server. Instructions to enable epel-release # yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm then # subscription-manag...

I'm trying to setup deployment from github repository via AWS. I have an issue during these steps: http://docs.aws.amazon.com/codedeploy/latest/userguide/codedeploy-agent-operations-install.html#...

My docker I found this cheatsheet from internet: https://design.jboss.org/redhatdeveloper/marketing/docker_cheatsheet/cheatsheet/images/docker_cheatsheet_r3v2.pdf I catch error C:\Users\Administra...

I am trying to redirect output of a systemd service to a file but it doesn't seem to work: [Unit] Description=customprocess After=network.target [Service] Type=forking ExecStart=/usr/local/bin/b...

I'm using following sed command to find and replace the string: find dir -name '*.xml' -exec sed -i -e 's/text1/text2/g' {} \; This changes the timestamp of all .xml files inside dir However, h...

I'm trying to install g++ 5.x on an EC2 instance running Amazon Linux; in Amazon's central repository the latest version is 4.8.3. What configuration to can I make to allow yum to find a newer gcc-...

Apparently I've done something strange/wrong in a tcsh shell, and now whenever I start an application in the background which prints to stdout the application is suspended (stopped). Weird thing is...

I want to upgrade Docker to v1.8 on Amazon Linux. At the time of writing their internal yum package repository has: Docker version 1.7.1, build 786b29d/1.7.1. Things I have already tried Manuall...

I am stuck with this error. Not able to install any RPMs. Please help OS is RHEL6.9 64 bit Thanks in advance.