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Dumping existing image Install cockit on Raspberry Pi sudo apt install cockpit Shutdown Raspberry PI, take out the SD card, and connect it to your PC. The boot- and rootfs-partitions were automatically mounted at the mentioned mount points. Before you proc...

Users and Groups # Add user # for Debian adduser -d /qortal_home -s /bin/bash -c "Qortal Node" qortal # for Ubuntu addgroup qortal adduser --home /qortal_home --ingroup qortal --shell /bin/bash --gecos "Qortal Node" qortal adduser --gecos "Bastillion-Je...

Tutorials DNS over HTTPS (DoH) How to install dnscrypt proxy with adblocker on Linux Secure DNS DNS settings to avoid email spoofing and phishing for unused domain - nixCraft (cyberciti.biz) How to test and validate DNSSEC using dig command line - n...

11 Best Tools to Access Remote Linux Desktop Get Started With Ubuntu Remote Desktop: What is It & How to Use It [GitHub] neko - A self hosted virtual browser that runs in docker and uses WebRTC. [Video] Remote Desktop & Access Tools comparison between 4 g...

Case #1:CPU & RAM 負載低   [root@deki ~]# vmstat 2 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 60 163016 252108 363996 0 ...

Sample: osslab-dekiwiki docker run -d -p 8880:80 \ -v /etc/localtime:/etc/localtime:ro \ -v $PWD/vol/data:/data \ -v $PWD/vol/var-lib-mysql:/var/lib/mysql \ -v $PWD/vol/var-log-httpd:/var/log/httpd \ -v $PWD/vol/var-log-dekiwiki:/var/log/dekiwiki \ -v $...

Introduction https://www.portainer.io/  A centralized service delivery platform for containerized apps. Portainer can be deployed on top of any K8s, Docker or Swarm environment. It works seamlessly in the cloud, on prem and at the edge to give you a consoli...

DB2 v11 /etc/sysctl.d/01-db2.conf: # For DB2 server with 30 GB RAM # - Get the RAM size by following the command 'free -g' # - Get the PAGESIZE by following the command 'getconf PAGESIZE' # # SHMMNI = <RAM in GB> * 256 # SHMMAX = <RAM in bytes> # SHMAL...

機型：IBM Power System S822LC (8001-22C) for big data作業系統：RedHat 7.3 for POWER8 Little Endian (NOTE: 此機型只能適用 Little Endian 安裝版本，其他機型適用版本可見附檔區的參考文件:Quick Start Guide for installing Linux on IBM Power System LCservers) 使用心得： 不知為何 Linux 辨識到磁碟代號順序與實機上的位置完全無法做對應。（...

( https://www.ibm.com/support/knowledgecenter/en/SST55W_4.3.0/liaca/liaca_config_os_yum_repos.html ) 準備一部 FTP/NFS/WWW 主機，將安裝光碟內的所有檔案與目錄上傳到主機，並分享使其他電腦可以存取。 mount -o loop rhel-server-7.3-ppc64le-dvd.iso /mnt/DVD cp -r /mnt/DVD/* /mnt/tpeitpfs02_nas/redhat_7.3...

原因：OpenPOWER Linux 開機過程所需的第一個開機磁區 PPC PReP Boot 無法安裝以 Software Raid 型式安裝，雖然在初次安裝系統時不會有任何影響，不過爾後第一顆磁碟因為發生故障，需要更換另一顆完全新的磁碟時，這樣雖然不會立即對系統產生影響，只要系統有做重啟，系統就會無法正常開機，原因是更換後的磁碟並沒有開機磁區。 解決方法就是：使第二顆磁碟也能做開機，步驟如本篇的教學。 TIP: PPC PReP Boot 這個專屬 IBM Power 機器的開機磁區其作用就像 x86 ...

這款機器的 Local Disks 都連結在內建的 MegaRAID (MegaRAID SAS-3 3108) 介面上，如果系統已經安裝好 Linux，可以透過指令 lshw 確認這個裝置存在。 雖然有 Raid 卡，卻無法建立 Raid，從 Petitboot 指令模式下，使用 storcli 指令新增 Raid 失敗。錯誤訊息: Resources already in use 下載安裝 StorCLI 下載網址：https://www.broadcom.com/support/download...

Multipath 是 CentOS/RedHat 內建套件，可用作兩 port 的 HBA 卡連接 Storage時，有雙路由的備援架構。 系統環境 RedHat 4.7 NetApp FAS2240 SAN Switch x 2 HBA Card: QLogic, port x 2 #>lspci Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) RedHat 的...

單個磁碟擴充未分割磁區 How to Resize LVM Partition Inside an Extended Partition LVM Snapshot Use LVM Snapshot To Backup Your Data In Linux - OSTechNix

Logical Volume - LV # 顯示所有 LV 使用狀況 lvdisplay -C # 新增 LV lvcreate -L 10G -n LV_name VG_name # 刪除 LV lvremove /dev/VG_name>/LV_name # 更名 LV lvrename /dev/VG-name/old-LV-name /dev/VG-name/new-LV-name # 顯示 LV 狀況 lvs lvs -a -o name,copy_percent,d...

無法新增 PV Device /dev/sdj not found (or ignored by filtering). Solution: 可能該磁碟有包含其他磁區 # fdisk -l /dev/sdj WARNING: GPT (GUID Partition Table) detected on '/dev/sdj'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdj: 3848.3 GB, 384...

Introduction Jellyfin is the volunteer-built media solution that puts you in control of your media. Stream to any device from your own server, with no strings attached. Your media, your server, your way. Setting up Jellyfin Media Server on Raspberry Pi (it...

Viewing subscription NOTE: 這裡的版本號是指已安裝在系統的版本。 # subscription-manager list --installed +-------------------------------------------+ Installed Product Status +-------------------------------------------+ Product Name: Red Hat Enterprise Linux fo...

Log 解析 Log Files 檔案目錄: /u01/app/oracle/ovm-manager-3/domains/ovm_domain/servers/AdminServer/logs/ access.log: Used to track HTTP access to the Web interface of the Oracle VM Manager and to the underlying Oracle WebLogic Server HTTP interface. This log can...

Tutorials [Video] PROXMOX VDI Client - A Better Approach to Thin Clients for Proxmox Spice on Proxmox VE