Programmer Think

1.Introduction to cobbler Cobbler is a Linux server-installed service that supports many Linux distributions: redhat, fedora, centos, ubantu, suse, etc. also support network installation windows Written by python, you can quickly install and reinstall physical servers and virtual machines via PXE, and manage DHCP, DNS, and so on. Cobbler ...

1, Help command docker --help 2, Process related commands Start Docker service systemctl start docker Stop docker service systemctl stop docker Restart docker service systemctl restart docker View docker service status systemctl status docker Start the docker service systemctl enable docker 3, Mirror related commands View mirr ...

catalogue 1, YUM overview 2, YUM implementation process 3, YUM command 1. Inquiry 2. Install and upgrade using yum or up2date 3. Software uninstall 4, Build yum warehouse 1. Build local warehouse 2. Build Alibaba cloud warehouse 5, NFS share 1. Characteristics 2. Advantage 3. Construction process 6, Summary   1, YUM overview y ...

2. Docker installation https://www.jianshu.com/p/2e91d1272154 2.1 premise description CentOS Docker installation Docker supports the following CentOS versions: CentOS 7 (64-bit) CentOS 6.5 (64 bit) or later prerequisite Currently, only the kernel in the distribution version of CentOS supports Docker. Docker runs on CentOS 7. The system ...

catalogue 1.1 close SWAP partition 1.2 install docker / kubedm / kubelet [all nodes] 1.3 create a Master node 1.4 add Node nodes to the current cluster 1.5 deployment container network (CNI) 1.6 testing Kuberntes cluster 1.7 deploying Web UI (Dashboard) 2. Related error reporting roleIP addressk8s-master192.168.237.5k8s-node01192. ...

Based on CentOS, this paper deeply explains the process concept, PCB, process creation, process status, zombie process and orphan process by von Neumann system and operating system concept. catalogue 1, Von Neumann system 2, Operating system   3, Basic concepts of process 4, Description process - PCB 1.task_ struct 5, Organizational ...

1. Install and prepare a virtual machine (vmware, VirtualBox). 2. Use the connection tool to connect (Xshell, electerm and other tools, the electerm tool I use). use ip address or ip addr To view the virtual machine address. If you are using a local area network, you need to set a bridging network and copy the physical address. If it is ...

Address: https://www.ebpf.top/post/shrink_vbox_vmdk_size When using VirtualBox (VMDK mode) to manage virtual machines, we often encounter some compilation and installation scenarios (such as compiling Linux kernel), which will lead to a sharp expansion of disk space. However, after the compilation is completed, even if we delete the relevant f ...

Software installation is a necessary function of the system. Naturally, Linux also has it. Linux installation has two ways: rmp and source code. rpm: This is a bit like an exe file in windows. You can click Install. The file format is rmp, which is the format encapsulated by the source code, similar to exe file.Source code: software source cod ...

zabbix (5.0) deployment and installation www.zabbix.com [official website] 1, zabbix client 1)agent2 New version adopted golang Language development client 2)agent2 The default is 10050 port, that is zabbix Port of the client # Old client: ZABBIX agent # New version client: zabbix-agent2 2, Client Deployment (zabbix-agent2 installat ...