--- title: "#centos7 articles | Hashnode" description: "Explore 11 articles tagged #centos7 on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/centos7" --- Tag # #centos7 11 posts · 6 followers [Mihir Savla](https://hashnode.com/@mihirsavla) · [Jul 29, 2025](https://hashnode.com/posts/administering-dns-from-the-command-line/6888b145206c192562b4e503) ### [Administering DNS from the Command Line — My Linux Journey (Part 2)](https://dnsadmin.hashnode.dev/administering-dns-from-the-command-line?utm_source=hashnode&utm_medium=feed) After completing the DNS module in my journey toward mastering Linux system administration, especially in WHM/cPanel environments, I’ve gathered hands-on knowledge of how domain resolution works at a deeper level—both from a configuration and trouble... 4 min read · [dnsadmin.hashnode.dev](https://dnsadmin.hashnode.dev/administering-dns-from-the-command-line?utm_source=hashnode&utm_medium=feed) [Gia Công Phần Mềm](https://hashnode.com/@giacongphanmem) · [Nov 20, 2024](https://hashnode.com/posts/yum-y-update-error-with-centos-7/673d59d0b7531179c05e1e41) ### [yum -y update error with centos 7](https://giacongphanmem.com/blog/yum-y-update-error-with-centos-7?utm_source=hashnode&utm_medium=feed) Hiện tại nếu sử dụng lệnh yum -y update thì sẽ xuất hiện lỗi trên centos 7, 8. Nội dung lỗi như bên dưới \[root@vn ~\]# yum -y update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Could not retrieve mirrorlist http://mirrorli... 2 min read · [giacongphanmem.com](https://giacongphanmem.com/blog/yum-y-update-error-with-centos-7?utm_source=hashnode&utm_medium=feed) [Aditya Gadhave](https://hashnode.com/@AdityaG7678) · [Sep 27, 2024](https://hashnode.com/posts/what-is-centos-and-how-to-install-it-a-step-by-step-guide/66f634f5e75e86f55446b243) ### [What is CentOS and How to Install It: A Step-by-Step Guide](https://thetechexplorerbyadityagadhave.hashnode.dev/what-is-centos-and-how-to-install-it-a-step-by-step-guide?utm_source=hashnode&utm_medium=feed) Day 2 :How to Install CentOS 3 min read · [thetechexplorerbyadityagadhave.hashnode.dev](https://thetechexplorerbyadityagadhave.hashnode.dev/what-is-centos-and-how-to-install-it-a-step-by-step-guide?utm_source=hashnode&utm_medium=feed) [Siddhartha](https://hashnode.com/@zm0) · [Jul 22, 2024](https://hashnode.com/posts/centos-78-solution-to-yum-error-could-not-resolve-host-mirrorlistcentosorg-unknown-error-valid-in-2024/669e0cf5d53073185bf392dc) ### [CentOS 7/8: Solution to yum error "Could not resolve host: mirrorlist.centos.org; Unknown error" (valid in 2024)](https://zm0.hashnode.dev/centos-78-solution-to-yum-error-could-not-resolve-host-mirrorlistcentosorg-unknown-error-valid-in-2024?utm_source=hashnode&utm_medium=feed) TESTED on CENTOS 7 2 min read · [zm0.hashnode.dev](https://zm0.hashnode.dev/centos-78-solution-to-yum-error-could-not-resolve-host-mirrorlistcentosorg-unknown-error-valid-in-2024?utm_source=hashnode&utm_medium=feed) [Ruchi Lamichhane](https://hashnode.com/@Ruchi77) · [May 10, 2024](https://hashnode.com/posts/how-to-install-mysql-on-a-centos-7-server/663d9a09ac51ec92574e8a03) ### [How to Install MySQL on a CentOS 7 Server?](https://ruchi77.hashnode.dev/how-to-install-mysql-on-a-centos-7-server?utm_source=hashnode&utm_medium=feed) There are three steps to install mysql on a centos7 server: Download the MySQL repository Install it Configure it Download the MySQL repository Update our system sudo yum update Add MySQL repositories sudo wget https://dev.mysql.com/get/mys... 2 min read · [ruchi77.hashnode.dev](https://ruchi77.hashnode.dev/how-to-install-mysql-on-a-centos-7-server?utm_source=hashnode&utm_medium=feed) [Harish Gawande](https://hashnode.com/@harishgawande) · [Feb 1, 2024](https://hashnode.com/posts/understanding-package-manager-and-systemctl/65d3711c3848e7251fc58d0f) ### [Understanding package manager and systemctl](https://harishgawande.hashnode.dev/understanding-package-manager-and-systemctl?utm_source=hashnode&utm_medium=feed) What is a package? A package is usually referred to an application but it could be a GUI application, command line tool or a software library (required by other software programs). A package is essentially an archive file containing the binary execut... 4 min read · [harishgawande.hashnode.dev](https://harishgawande.hashnode.dev/understanding-package-manager-and-systemctl?utm_source=hashnode&utm_medium=feed) [BHAVESH PATIL](https://hashnode.com/@Bp970) · [Jan 1, 2024](https://hashnode.com/posts/a-guide-to-ansible-setup-and-configuration-on-cent-os-7-effortless-server-management/65925bf11e1940d2fd383d51) ### [A Guide to Ansible Setup and Configuration on Cent OS 7: Effortless Server Management](https://paranerdzops.hashnode.dev/a-guide-to-ansible-setup-and-configuration-on-cent-os-7-effortless-server-management?utm_source=hashnode&utm_medium=feed) Unleash Ansible's automation power on your CentOS 7 servers! This guide dives deep, from setup to playbooks, to conquer remote server management seamlessly. 3 min read · [paranerdzops.hashnode.dev](https://paranerdzops.hashnode.dev/a-guide-to-ansible-setup-and-configuration-on-cent-os-7-effortless-server-management?utm_source=hashnode&utm_medium=feed) [Rakesh Kumar Jangid](https://hashnode.com/@jangidrakesh71) · [Dec 15, 2023](https://hashnode.com/posts/kubernetes-k8s-setup-on-centos7-with-easy-steps/657bee8ddb8bc2f2c6d84778) ### [Kubernetes K8s Setup on CentOS:7 with easy steps.](https://projectwala.site/kubernetes-k8s-setup-on-centos7-with-easy-steps?utm_source=hashnode&utm_medium=feed) 💡 Taking inspiration from and dedicated to our training guru, Shri Maninder sir. Hey everyone! In this article, we'll learn how to set up a Kubernetes (k8s) cluster on a Linux CentOS 7 machine. You can do this either on cloud servers or virtual ma... 5 min read · [projectwala.site](https://projectwala.site/kubernetes-k8s-setup-on-centos7-with-easy-steps?utm_source=hashnode&utm_medium=feed) [Brian Kiplagat](https://hashnode.com/@BitcoinDevKe) · [Aug 17, 2023](https://hashnode.com/posts/deploying-an-angular-app-on-centos-7-a-step-by-step-guide/64de375bc22a014fb383939d) ### [Deploying an Angular App on CentOS 7 - A Step-by-Step Guide](https://briankip.hashnode.dev/deploying-an-angular-app-on-centos-7-a-step-by-step-guide?utm_source=hashnode&utm_medium=feed) Uploading, Deploying, and Securing Your Angular App on an SSL-Secured Domain using CentOS 7 7 min read · [briankip.hashnode.dev](https://briankip.hashnode.dev/deploying-an-angular-app-on-centos-7-a-step-by-step-guide?utm_source=hashnode&utm_medium=feed) [Yusuf Al Afid](https://hashnode.com/@uucp) · [Feb 9, 2023](https://hashnode.com/posts/device-mapper-multipath-on-centos-79/63e47599da4453ba404b3c82) ### [Device Mapper Multipath on CentOS 7.9](https://blog.uucp.in/device-mapper-multipath-on-centos-79?utm_source=hashnode&utm_medium=feed) Topology iSCSI Target Node 2 vCPU 4 GB RAM 50 GB OS Disk 100 GB Backed Disk iSCSI Initiator 2 vCPU 4 GB RAM 50 GB OS Disk iSCSI Target Configurations Setup backing storage device # fdisk /dev/sdb Command (m for help): n Partition ty... 5 min read · [blog.uucp.in](https://blog.uucp.in/device-mapper-multipath-on-centos-79?utm_source=hashnode&utm_medium=feed)