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Backup & Restore
Backup Script#1: #!/bin/bash # 以下配置資訊請自己修改 mysql_user="USER" #MySQL 備份使用者 mysql_password="PASSWORD" #MySQL 備份使用者的密碼 mysql_host="localhost" mysql_port="3306" mysql_charset="utf8" #MySQL 編碼 backup_db_arr=("db1" "db2") #要備份的資料庫名稱,多個用空格分開隔開 如("db1" "db2...
Picroft
Introduction Picroft is a ready-made way to run Mycroft on a Raspberry Pi 3, 3B+ or 4 and is provided as a disk image that you can burn to a Micro SD card. Links Official Home Youtube Tutorials https://www.youtube.com/watch?v=M398I6YIleM https://www....
iSCSI and multipath on CentOS 7
系統環境 iSCSI Storage: NetApp FAS8200 Linux OS: CentOS 7 Server H/W: HP DL380 Gen10 iSCSI 用網路卡: 10G SFP 光纖網路卡 x 2 設定網路卡 使用指令 nmtui 分別設定兩張網卡的 IP 與 Mask 注意: 這兩張網卡不要作 Bonding。 設定 iSCSI 安裝 iscsi 套件 yum install iscsi-initiator-utils 設定 iscsid.conf: ...
Learning
iSCSI How to configure iSCSI target & initiator on RHEL/CentOS 7.6
iptables
基本指令 列出現有規則 iptables -L -n -v iptables -L -n -v --line-numbers iptables -L INPUT -n -v --line-numbers 重啟/清除所有規則 service iptables stop service iptables start iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F ipta...
Install Node.js via binary archive
Download: https://nodejs.org/en/download/ With Linux Unzip the binary archive to any directory you wanna install Node, I use /usr/local/lib/nodejs VERSION=v10.15.0 DISTRO=linux-x64 sudo mkdir -p /usr/local/lib/nodejs sudo tar -xJvf node-$VERSION-$DISTRO....
Learning Node.js
Docker Dockerize Node.js apps with Buildpacks Installation How To Install NodeJS On Linux
SSL/TLS Web Server
Generate Certificates Method 1: 不需要 CA 的憑證 mkdir /etc/apache2/certs cd /etc/apache2/certs openssl genrsa -out myhomepbx.key 2048 openssl req -new -key myhomepbx.key -out myhomepbx.csr openssl x509 -req -days 3650 -in myhomepbx.csr -signkey myhomepbx.key ...
HAProxy
Offical Sites Home: http://www.haproxy.org/ Forum: https://discourse.haproxy.org/ Installation Install HAProxy on Debian or Ubuntu Run HAProxy as a Docker container # RedHat 8.3 yum install haproxy Setting Up HAProxy Logging The default config...
Linux Bonding Network
RedHat 7/8 with nmtui nmtui > Edit a connection > Add > New Connection > Select Bond > Create Profile Name: bond0 Device: bond0 > Slaves > Add Profile Name: eno1-slave NOTE: 建議這裡要加上 -slave,與實際的裝置名稱做區別 Device: eno1 Profile Name: ens3f0-slave Devic...
Git Installation
Git Client # CentOS/RedHat 5/6 # Install from source # Get the required version of GIT from https://www.kernel.org/pub/software/scm/git/ yum install zlib-devel openssl-devel cpio expat-devel gettext-devel wget https://mirrors.edge.kernel.org/pub/software/...
Learning
GPG Using GPG to Encrypt and Decrypt Files on Linux [Hands-on for Beginners] LUKS How to unlock LUKS using Dropbear SSH keys remotely in Linux - nixCraft (cyberciti.biz) Linux Hard Disk Encryption With LUKS [cryptsetup command ] - nixCraft (cyberciti...
DB2 管理
資料庫 新增資料庫 create db MYDB on /db2_home/istv11/MYDB using codeset big5 territory TW collate using identity USER TABLESPACE MANAGED BY DATABASE USING (FILE '/db2_home/istv11/MYDB/TBS_DMS/userspace_4k_c01' 524288) TEMPORARY TABLESPACE MANAGED BY SYSTEM USING...
Partition Table
Check if partition is supported > show plugins; Create partition table create table mm_tx_new ( start_time timestamp(6) not null default '0000-00-00 00:00:00.000000', end_time timestamp(6), hostname varchar(20), servername var...
Sign up and Register
Tutorials [RH-KM] Using Red Hat Subscription Management How to enable Red Hat Subscription on RHEL 8/7 How to register RHEL 8 with subscription manager using command-line 如何在 RHEL 中使用訂閱管理器啟用軟體倉庫 How to activate your no-cost Red Hat Enterprise Linux subs...
AIX/Linux Monitoring with njmon
nimon (NOT njmon) + InfluxDB + Grafana njmon = JSON output nimon = njmon but straight to InfluxDB NOTE: as of version 78, the njmon and nimon have been merged into one binary file. Using the option -J (nimon mode) or -I (nimon mode). njmon Downlo...
spfile v.s. pfile
pfile 純文字檔案, client端參數檔案;不能動態修改,可以用普通的編輯器修改,修改之後需要重啟。pfile可能會導致伺服器啟動不一致,因為可以在客戶端啟動。 spfile 二進制檔案,伺服器端參數檔案,有了spfile,oracle可以實現動態參數在線修改,部分參數修改之後無需重啟。但是,因為是二進制檔案,所以不能用普通的編輯器修改,要用alter命令從sql裡面來修改。spfile保證伺服器每次的啟動都是一致的。 spfile 與 pfile 設定檔可以互相轉換,只有 spfile 而沒有 ...
RClone
Rclone syncs your files to cloud storage Installation Ubuntu sudo apt install rclone Storj DCS Manual: https://documentation.tardigrade.io/how-tos/sync-files-with-rclone Config rclone config n) New remote s) Set configuration password q) Quit conf...
Raspberry Pi OS
Installation Raspberry Pi Imager Ubuntu 22.04 sudo apt install rpi-imager Create User NOTE: 新版 Raspberry Pi OS 已經移除內建帳號 pi。使用前需要手動先建立帳號。 Headless Setup SD Card > Boot partition > File: userconf userconf: alang:<encrypted-password> Generate encr...
Build a Java app
Tutorials https://docs.flatpak.org/en/latest/first-build.html https://flathub.org/home http://blog.matbooth.co.uk/08-openjdk-in-flathub.html