Enterprise Operating Systems

Troubleshooting and Guides for: Microsoft Server, Linux, and VMware

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Dell Hardware/Software Guides

Dell Servers – PowerEdge, Blades, and Cloud
integrated Dell Remote Access Controller (iDrac)
OpenMange Server Administrator (OMSA)

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Scripting Guides

PowerShell, Bash, JSON, and Python Scripting Guides

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VLAN How To: Segmenting a small LAN

crtechtipsNov 23, 201118 min read

Introduction What is a VLAN? Is it some sort of highly expensive technology or virtual reality? Not at all. VLANs are relatively simple, yet they offer a wide variety of options and capabilities to improve your network. VLAN, or Virtual…

Protocols

crtechtipsNov 23, 20113 min read

Protocol Description IPX / SPX (NWLink) Internetwork Packet Exchange/Sequenced Packet Exchange. The default network protocol for Novell Netware prior to NetWare 5. (Current default is TCP/IP). NWLink is the Microsoft version of IPX/SPX. NETBEUI / NetBIOS These two terms are…

Cables

crtechtipsNov 23, 20111 min read

Cable Type Common Name Physical Layer Name Speed Max Length (M) RG-6 Satellite TV N/A N/A RG-8 Thicknet 10Base5 10 Mbps 50 (drop) 500 (backbone) RG-58 Thinnet 10Base2 10 Mbps 185 RG-59 Cable TV N/A N/A CAT3 UTP Fast Ethernet…

IP Address Classes

crtechtipsNov 23, 20111 min read

Address Class Network ID Default SN Mask # Networks # Hosts Class A 1-126.0.0.0 (0) 255.0.0.0 126 16,777,214 Class B 128-191.0.0.0 (10) 255.255.0.0 16,384 65,534 Class C 192-223.0.0.0 (110) 255.255.255.0 2,097,152 254 Class A Loopback Address: 127.0.0.0 Private IP Addresses…

Not enough server storage

crtechtipsNov 23, 20113 min read

Error messages: Not enough server storage is available to process this command. Not enough memory to complete transaction. Close some applications and retry. These error messages on a computer, which we will call computer A, can indicate the IRPStackSize bug…