WordPress White page error – Call to undefined function imagecreatefromstring

If you ever get a white page on your WordPress, the best way to troubleshoot is to check the apache error log first. It will have enough information about the issue happening now.   In my case, the error was showing as below in the /var/log/httpd/error_log file.   PHP Fatal error: Uncaught Error: Call to […]

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How to Install RedMine on CentOS 7

Install Software Collections yum -y install yum-plugin-priorities Add [priority=1] to official repository sed -i -e “s/\]$/\]\npriority=1/g” /etc/yum.repos.d/CentOS-Base.repo yum -y install epel-release Add [priority=5] to the EPEL repo sed -i -e “s/\]$/\]\npriority=5/g” /etc/yum.repos.d/epel.repo Add CentOS SCLo Software collections Repository. [root@aws ~]# yum -y install centos-release-scl-rh centos-release-scl Add [priority=10] to the SCL repository [root@aws ~]# sed -i

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CentOS RHEL – reboot after kernel update or if reboot needed

Yum-Cron Yum-cron is used to update the server automatically. This service will update the server with all the packages or only the security patches as configured on /etc/yum/yum-cron.conf But, the yum-cron lack in reboot feature. If any packages, say kernel, glibc or gcc require a reboot of the server then we have to do the reboot manually.

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Amazon’s AWS is Now Hosting the Defense Department’s Most Classified Data

Amazon.com’s AMZN cloud computing division Amazon Web Services (AWS) is one of the company’s most profitable arms, and it recently gained a new customer: the U.S. Department of Defense. Earlier this week, the DoD granted Amazon a provisional authorization to host its Impact Level 5 workloads, which are the Pentagon’s and U.S. military’s most classified

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IPA wait_for_open_ports: localhost [8080, 8443] timeout 300

Issue: IPA wait_for_open_ports: localhost [8080, 8443] timeout 300 Today we were updating the server with yum update on our IPA server. The yum update finished successfully, but the IPA was not starting after the upgrade. the ipactl restart was also throwing an error. The web interface came up after the server restart but it was

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IPA registration error – libcurl failed to execute the HTTP POST transaction. SSL connect error

Today we were trying to join RHEL-6 clients to our new IPA server. Most of the servers got registered and very few RHEL6 systems were failing to join. We ran the ipa-client-install with -d option for debugging and we got the below output. 2017-05-24T09:39:46Z DEBUG stderr=libcurl failed to execute the HTTP POST transaction. SSL connect

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