Tag：operation and maintenance (o&m)
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Linux loved_Ubuntu error pciehp:cannot get irq-1 for the hotplug/unknown chipset
“pciehp: cannot get irq -1 for the hotplug” error message indicating that the PCIe hotplug module cannot get the correct IRQ. To disable PCIe hot-plugging: enter recovery mode or command line mode and sudo nano /etc/default/grub existGRUB_CMDLINE_LINUX_DEFAULT Add thepciehp.pciehp_poll_mode=1 pci=noacpiparameters, then ctrl+x, y, enter to save and exit. Execute the following command to update the GRUB […]
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[Public Network Remote Mobile Android Server] Android Termux Build Web Server
catalogs summarize 1. Set up apache 2. Install cpolar Intranet Penetration 3. Public network access configuration 4. Fixed public network address 5. Add site summarize Termux is an Android terminal emulation application used to build a complete Linux environment on Android phones, capable of realizing many basic operations under Linux, and does not require root […]
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A step-by-step guide to building a local Ubuntu web gaming site and realizing remote access for public network users via intranet penetration.
Article Catalog preamble 1. Local environment service setup 2. LAN test visits 3. Intranet penetration 3.1 ubuntu local installation of cpolar intranet penetration 3.2 Creating tunnels 3.3 Testing public network access 4. Configure fixed second-level subdomains 4.1 Reservation of a second-level subdomain 4.2 Configuring second-level subdomains 4.3 Testing access to fixed second-level subdomains on the […]
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Nginx visual management tools and Cpolar to set up a server locally [Intranet Penetration]
Article Catalog preamble1. Install docker2. Local access3. Linux installation of cpolar4. Configure the public network access address5. Remote access to the public network6. Fixed public network address preamble Introduces the installation of Nginx Proxy Manager in Linux and combined with the cpolar intranet penetration tool to achieve remote access to the management interface, the same, […]
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[linux] Permission Understanding
catalogs 1. shell commands and how they work 2. The concept of authority 3. Authority management 2.1 Classification of document visitors (persons) 2.2 File types and access rights (thing attributes) 2.3 Representation of file permission values 2.4 Methods for setting file access rights 3. The file directive 4. Permissions for directories★ 5. Sticky bits★ 6. […]
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Powerful Command Line Tools P.3 (Linux Development Tools vim)
Read navigation preambleIntroduction to vimconceptspecificities Commands related to vimvim command mode (Normal mode) related commandsInsert mode related commandsLast line mode related commands Simple vim configuration (with configuration links)Spanish jasmine (Jasminum grandiflorum) preamble Previously we talked about the basics of the C language, but also understand some of the data structure, and talked about some of […]
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History of Linux
Article Catalog Details of this chapter Linux Background History of UNIX History of Linux Introduction to computers The five major building blocks of a computer How to consolidate learning Summary of this article Details of this chapter This post will teach about the history of Linux. Linux Background Linux History Learning to program the Linux […]
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Installation and Configuration of Nextcloud on Ubuntu Server – Build Nextcloud Private Cloud Disk with Public Remote Access
Article Catalog summaries1. Environment setup2. Testing of local area network access3. Intranet penetration3.1 ubuntu local installation of cpolar3.2 Creating tunnels3.3 Testing public network access 4 Configure a fixed http public address4.1 Reservation of a second-level subdomain4.1 Configuring fixed second-level subdomains4.3 Testing access to fixed second-level subdomains on the public network summaries Nextcloud, which is an […]
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Seven process states under Linux
Article Catalog I. Preface II. Process status under the operating system discipline 1、Operation status 2. Blocking state 3、Suspended state III. 7 process states under Linux 1. Operational status R 2. Light sleep state S 3. Deep sleep state D An interesting lawsuit. 4. Stop state T 5. Process tracking status t 6. State of death […]
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centos view memory, cpu usage, top 10 occupancy, top X
I. Check the memory usage (1) Method 1: Use the free command This will display the system’s physical memory and swap space usage in a human-readable format. free Unit K free -m units of M free -h unit G Parameter description total Total physical memory used Used memory free Unused memory shared Multi-process shared memory […]