Eight most commonly used YUM libraries under CentOS and RedHat
Yum (yellow updater modified) is an open source, widely used command line and graphics based package management tool. It is used to manage RPM based Linux systems, including but not limited to RedHat Linux, CentOS, and Oracle Linux. It is used to install, update, remove, and search packages on the system.
The installation package is not limite ...
Added by veluit06 on Sat, 23 May 2020 10:19:53 +0300
K8s builds RHEL7 operating system on Linux one (I)
I. Introduction
Kubernetes is a hot technology at present. It has become the standard of PASS management platform in the open source community. At present, most of the articles build kubernetes platform for X86 platform. Next, the author builds open-source kubernetes platform on Linux one.There are two main ways to build K8S platform,
The fir ...
Added by kevinbarker on Mon, 30 Mar 2020 12:18:07 +0300
Construction of GitLab ci/cd deployment environment
Explain
This paper briefly introduces Gitlab CI, including Gitlab Runner, related concepts in Gitlab CI and common configuration of. gitlab-ci.yml.
Deploying GitLab
Please refer to Docker compose deployment of Chinese version of gitlab
What is GitLab CI
GitLab CI is a built-in tool for continuous integration of gitlab. You only need to create ...
Added by DexterMorgan on Mon, 23 Mar 2020 23:24:40 +0200
Construction and use of REDHAT YUM local source
Generally, there are two types of yum sources: local yum source and local network yum source. The former provides installation package through file, and the latter downloads installation package through network;
Because the yum source of RedHat 7.3 needs to be registered for payment, it often fails to download the yum source i ...
Added by pastet89 on Sat, 04 Jan 2020 08:12:55 +0200
Example using crash to analyze Kdump dump kernel crash kernel
Sometimes, when the system is running, there is a sudden crash, but we have to find out the cause. Although we can solve the current problem through the temporary protection mechanism watchdog, but to find the cause of the crash, we have to rely on the special tool Kdump for kernel analysis. Although I don't understand the Linux kernel, I can f ...
Added by rivasivan on Fri, 20 Dec 2019 15:09:16 +0200
CentOS 7 upgrades the latest kernel
View kernel
uname -r
Set kernel source
Mainly http://elrepo.org/tiki/tiki-index.php
The ELRepo warehouse is a community-based Enterprise Linux warehouse that provides support for Red Hat Enterprise (RHEL) and other RHEL based Linux distributions (CentOS, Scientific, Fedora, etc.).
ELRepo focuses on software packages related ...
Added by teamshultz on Tue, 03 Dec 2019 19:39:30 +0200
RHEL8 teaching environment virtual machine installed on VMware Workstation
When installing the Red Hat Enterprise Linux 8 teaching environment, students need to install the environment into a virtual machine to practice on their laptops. VMware Workstation is generally recommended to host the entire teaching environment.
Get ready:
1) mobile hard disk
2) USB disk above 16G
3) RHEL8 teaching environment software
S ...
Added by roots on Wed, 13 Nov 2019 21:43:21 +0200
unit11 Virtual Machine Management Commands, Simple Installation of Virtual Machines, Installation of Scripts Virtual Machines
#### script installation virtual machine
#!/bin/bash
virt-install \
--cdrom /home/kiosk/Desktop/rhel-server-7.3-x86_64-dvd.iso \
--ram 1024 \
--cpus 1 \
--disk /var/lib/libvirt/images/test.qcow2,bus=virtio,size=9 \ ##I don't know. Wait a minute.
--name test \
--network bridge=br0,model=virtio & ##In ...
Added by riwan on Wed, 09 Oct 2019 09:35:24 +0300
Deploying static websites using Apache services
Configure the website service program first
Step 1: Mount the system image in the CD-ROM device into the / media/cdrom directory.
[root@LinuxLehehe ~]# mkdir -p /media/cdrom
[root@LinuxLehehe ~]# mount /dev/cdrom /media/cdrom
mount: /dev/sr0 is write-protected, mounting read-only
Step 2: Create configu ...
Added by pleigh on Tue, 01 Oct 2019 02:46:49 +0300