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. ...
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 ...
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 ...
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 ...
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 ...
Issue You are trying to mount an NTFS partition and the console is throwing the below error. Let’s see how to fix this. The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Failed to mount '/dev/sda3': Operation not permitted The NTFS partition is in an unsafe state. ...
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 ...
Lets see how we can configure a secure FTP server on CentOS RHEL 6 / 7 First, you need to install the vsftp package on your server yum install -y vsftpd Once installed, lets start editing the configuration file, vim /etc/vsftpd/vsftpd.conf Line #12 disable anonymous FTP access, with the below configuration change. anonymous_enable=NO Chroot / Jail FTP ...
Some times you need to disable sudo su – access on your environment so that the users will use sudo command always and they will not switch to any other users account unnecessarily Lets see how to do it Edit the /etc/suoders by running visudo visudo Add the below Command Alias Cmnd_Alias BLOCKSU = /bin/su ...
![IPA wait_for_open_ports: localhost [8080, 8443] timeout 300](https://nixhive.com/wp-content/uploads/2017/09/freeipa_logo.png){kind=logo}
