How to Install RedMine on CentOS 7

29. January 2018 CentOS, RHEL, SysAdmin 2
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 ...

SSH or git-clone via Proxy

28. June 2017 AWS, CentOS, SysAdmin 0
SSH or git-clone via Proxy
Today we were setting up few Web servers on a private network which will be serving the traffic through the Load Balancer. The setup was simple until we came to know that the Webservers needs to connect to github.com for the repository access.   Diagnosis We have a jumpbox / Bastion (10.10.1.10) which is used for ...

Jenkins not starting on CentOS 7 / RHEL 7

24. March 2017 AWS, CentOS, SysAdmin 4
Jenkins not starting on CentOS 7 / RHEL 7
Today i was installing Jenkins on a CentOS7 systems. After installing it via Jenkins yum repository, the service was not stating. The java was already installed on the server. Issue You have installed jenkins on a CentOS7 / RHEL7 system. jenkins is not starting via systemctl start jenkins command, and it is throwing journalctl -xn error. Caused ...

OpenVPN with CSF firewall rules

02. February 2017 CentOS, RHEL, SysAdmin 1
OpenVPN with CSF firewall rules
We are a big fan of OpenVPN when it comes to security. Many organizations have already switched to OpenVPN from PPTP etc. NixVPN is my favorite VPN software to host it on a standalone instance. But what if, if you already have a server protected with CSF firewall, and you want to install OpenVPN by ...