プラットフォームページ
CentOS 7 scripts
Recovery-oriented scripts for legacy CentOS 7 hosts that still need package installs, storage cleanup, and controlled maintenance.
プラットフォームページ
Ubuntu 24.04 scripts
Helper pages and install scripts for bringing a fresh Ubuntu 24.04 host into a stable operations baseline.
プラットフォームページ
Docker host setup
Scripts that prepare the host layer before service containers are installed, including Docker engine setup and Docker data layout maintenance.
プラットフォームページ
Docker service stack scripts
A grouped view of the helper.sh service installers for Nginx, MySQL, Redis, PHP, and Workerman running on top of Docker.
トピックページ
CentOS 7 maintenance and recovery
Keep legacy CentOS 7 hosts installable and maintainable when yum repositories fail, mirrors expire, or Docker data needs to be moved off a crowded disk.
トピックページ
Ubuntu 24.04 deployment basics
Install Docker, bootstrap common runtime services, and keep fresh Ubuntu 24.04 hosts ready for application rollout.
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Docker base services for application hosts
Use helper.sh scripts to standardize containerized Nginx, MySQL, Redis, PHP, and Workerman services on long-lived hosts.
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OpenVPN client access and DNS handling
Set up OpenVPN client access on Ubuntu and CentOS 7 hosts, keep login files in the expected place, and handle DNS switching safely when private domains depend on the tunnel.
トピックページ
Legacy runtime services on Docker
Maintain older application stacks such as PHP 7.2 and Workerman on Docker while keeping deployment steps standardized enough for handoff and recovery.
問題ページ
Why is CentOS 7 SSH login so slow
The usual causes are reverse DNS lookup, GSSAPI auth negotiation, and sometimes IPv6 fallback. Disable those waits before doing deeper SSH troubleshooting.
問題ページ
Why can I not connect after disabling SSH password login on CentOS
The usual cause is disabling PasswordAuthentication before confirming that the target account already has a working authorized_keys file and a successful key-based login test.
問題ページ
When should I use hello.sh first
Use hello.sh as a low-risk connectivity and shell-delivery check before handing a host to larger installation scripts.
問題ページ
How to install Nginx with Docker
Bring up a baseline Nginx container with fixed host paths so config, logs, and web content stay predictable.
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How to install Redis 7.0.5 with Docker
Deploy Redis 7.0.5 with a consistent mounted directory layout so data and config survive container replacement.
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How to install PHP 7.2 with Docker
Package an old PHP 7.2 runtime into a repeatable container layout so legacy code can stay isolated from the host.
問題ページ
When should I switch CentOS 7 repositories
Switch repository definitions when old CentOS 7 mirrors fail, time out, or no longer return valid metadata.
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How to export a directory tree to tree.txt on Linux
Use tree-to-file.sh when you need a reusable way to export the current directory structure and auto-install tree if the host is missing it.
問題ページ
How to fix CentOS 7 yum 404 errors
Restore package installation on old CentOS 7 hosts when the default repositories no longer work.
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How to move Docker data-root on CentOS 7
Move Docker data away from a crowded root or home filesystem before the host runs out of disk.
問題ページ
How to install Docker on Ubuntu 24.04
Use a one-shot install flow that handles package cleanup, official repositories, and Docker Hub reachability checks.
問題ページ
Why OpenVPN update-resolv-conf is not working
Troubleshoot login files, CRLF script issues, and Ubuntu systemd-resolved behavior when private DNS is expected over OpenVPN.
問題ページ
How to install MySQL 5.7 with Docker
Run an older MySQL 5.7 version with predictable mounted directories and generated credentials on a modern Docker host.
問題ページ
How to run Workerman 3.5.24 in Docker
Build a stable Workerman 3.5.24 image with the old PHP 7.2 runtime, archived Debian sources, and foreground process management handled by Docker.