Storage virtualization can reduce costs, streamline IT operations, and increase infrastructure resilience. VMware’s vSAN software is one of the most popular storage virtualization platforms available today and provides administrators with a simple and robust solution for virtualizing storage in vCenter environments. To help you get started with VMware shared storage, Read more…
VSAN health check: [root@copas-node1:~] esxcli vsan cluster get Cluster Information Enabled: true Current Local Time: 2018-07-02T11:06:14Z Local Node UUID: 5b14ec74-7715-3200-8fb4-2c600cc09955 Local Node Type: NORMAL Local Node State: PRIMARY Local Node Health State: HEALTHY Sub-Cluster Primary UUID: 5b14ec74-7715-3200-8fb4-2c600cc09955 Sub-Cluster Backup UUID: 5b14ec4f-e2f2-838d-a9b1-2c600cc09cdb Sub-Cluster UUID: 52a6e7e6-1236-512b-f72f-d12792ffdec8 Sub-Cluster Membership Entry Revision: 7 Sub-Cluster Read more…
Fail2ban is a free and open-source Intrusion Prevention System (IPS) that protects the server against brute-force attacks. After a specified number of incorrect password attempts, the client’s IP address is banned from accessing the system for a specified period or until the system administrator unblocks it. This way, the system is safeguarded from Read more…
Symptoms On importing an OVF package provided by vendors you receive the error message: “OVF Package with compressed disks is currently not supported for OVF import”. When you deploy an OVF template containing compressed files references (typically compressed using gzip), the operation fails. Cause This can occur when vendors create Read more…
The syntax of snoop command with most commonly used options is : # /usr/sbin/snoop -qr -d [device] -o [filename] -s 300 -q –> don’t show packet count when capturing packets into file. (Improves the packet capturing performance) -r –> Do not resolve IP to hostname (prevents snoop from generating its Read more…
Part of the job of cleaning up heavily loaded file systems involves locating and removing files that have not been used recently. You can locate unused files using the ls or find commands. Other ways to conserve disk space include emptying temporary directories such as the ones located in /var/tmp or /var/spool, and deleting core and crash dump files. Read more…
Set Primary LDOM # ldm set-vcpu 8 primary # ldm set-memory 8G primary # ldm start-reconf primary # ldm add-config config_primary15072022 Create LDOM # ldm add-domain DB01 # ldm add-vcpu 8 DB01 # ldm add-memory 16G DB01 Create Volume Disk # zfs create -V 100gb ldom-pool/DB01-OS Add Disk to LDOM Read more…
Mungkin anda tidak menyadari pentingnya peran kontroler dalam sebuah device. Salah satunya Hard disk yang berperan utama dalam performance komputer. Biasanya kalau merakit komputer dari awal bagi seseorang yang nubie, BIOS hanya disetting untuk booting DVD ROM. Padahal ada beberapa konfigurasi yang dapat mendongkrak kinerja dari sebuah komputer. Salah satunya Read more…
Advance Host Controler Interface (AHCI) adalah mekanisme hardware yang memungkinkan software untuk menggunakan fitur-fitur yang terdapat pada perangkat Serial ATA (SATA), seperti hotswap dan Native Command Queuing (NCQ). Fitur-fitur yang sebelumnya tidak pernah ada pada perangkat Paralel ATA (PATA). AHCI sudah sepenuhnya didukung oleh sistem operasi Windows Vista, Windows 7 Read more…
Pengenalan vi adalah editor unix tersedia di hampir semua sistem operasi unix, solaris, bsd, aix, hpux dll Dokumen ini merupakan referensi cepat untuk editor vi dan akan membantu jika Anda baru ke unix, unix belajar atau hanya menyegarkan pengetahuan vi Anda setelah beberapa tahun. Persyaratan: Dalam rangka untuk bekerja dengan Read more…