AI agent applications, installation, large-model testing, computer fundamentals, IT operations and maintenance exchange, network technology exchange, Linux learning
DeepSeek V4, released on April 24 2026, offers two SKUs—Pro with 1.6 T total parameters and Flash with 284 B—both supporting a 1‑million‑token context window, ultra‑low inference cost, pricing as low as ¥0.2 per million tokens, Huawei Ascend deployment, and seamless OpenAI/Anthropic API compatibility.
This guide explains how to configure Linux services to start on boot using systemd or rc.local, create permanent command aliases, and understand the differences between soft and hard links with practical examples and step‑by‑step commands.
The article argues that deep Linux knowledge is essential for AI and cloud‑native work, cites real‑world incidents and market data showing 30‑50% higher salaries, and outlines a practical three‑month learning path to give newcomers a decisive career edge.
This guide walks through SSH fundamentals, configuration files, password‑less key authentication, three types of port forwarding, and tmux session management, then shows how to combine them into a reliable remote‑operations workflow for Linux servers.
This step‑by‑step guide shows how to configure networking on Ubuntu/Debian with netplan, CentOS/RHEL with nmcli, Arch Linux with systemd‑networkd, and Alpine with ifupdown, plus common debugging commands and a systematic troubleshooting workflow.
This tutorial walks through essential Linux commands for archiving, compressing, and transferring files—including tar, gzip, bzip2, xz, zip, rsync, and scp—explaining their options, performance trade‑offs, and practical usage scenarios such as daily backups, cross‑platform sharing, and incremental synchronization.
This guide shows how to boost Linux command‑line productivity by configuring history timestamps, expanding history size, using reverse‑search (Ctrl+R), synchronizing history across multiple terminals, and leveraging bash‑completion for command arguments, package names, and Docker containers, plus creating custom completion scripts.
This tutorial walks through the fundamentals and hands‑on rules for the three major Linux firewall tools—iptables, ufw, and firewalld—covering chain concepts, default policies, common use cases, persistence, and how to choose the right tool for different server environments.
This tutorial walks through 15 essential Linux networking commands—ping, ip, ip route, ss, netstat, tcpdump, curl, wget, traceroute, dig, nmap, nc, ethtool, nmcli, and iperf3—explaining their syntax, typical use‑cases, and how they help diagnose connectivity, routing, port, and performance issues.
This article walks through essential Linux process management tools—including ps, top, kill, nice, jobs, pgrep, and advanced utilities like pstree, strace, and lsof—explaining their options, output fields, practical tips, and how to diagnose and control processes effectively.
