Switches – basics SSH vs Telnet – telnet plaintext including passwds, ssh encrypts everything Memory types RAM – running config ROM – bootstrap NVRAM – startup config Flash – IOS image / backups / other files CLI modes User mode Read More …
Author: admin
Do not clean your file system off installation packages
Seriously. Don’t. (if you really do not have to – eg. large iso images, clean up of space etc.). Double don’t if your documentation isn’t bulletproof. Yesterday this saved my time/work life/put_something_meaningful_here. The ability to backtrack what has been done Read More …
VEEAM 9.5 error Agent failed to process method {DataTransfer.SyncDisk}.
Not so long ago I was suffering from a Veeam Backup & Replication error: Processing server1 Error: The specified item was already backed up or backup was not completed. Failed to download disk. Reconnectable protocol device was closed. Failed to upload Read More …
Zabbix – monitoring multiple NICs on a single host
Zabbix is a wonderful monitoring system, that comes for the best price you can have out there – for FREE. Possibilities of Zabbix are so broad, one can get lost in all the configuration stuff that can be necessary. Lately I had a Read More …
4.0 Security
4.1 Compare and contrast physical security methods and concepts Security objectives are written very hazily. Basically they would put the exam pursuer in the middle of the lake and tell them to swim, even though they do not know how Read More …
3.0 Storage
3.1 Given a scenario, install and deploy primary storage devices based on given specifications and interfaces Disk specifications RPM (Revolution Per Minute) Magnetic disks comes with different numbers for “spins” per minute (RPM), basically the more the RPM, the faster the Read More …
2.0 Server Administration
2.1 Install and configure server operating systems Determine server role/purpose – the purpose of each installed server should be determined before its own purchase. Each server can have its own specific usage, which answer to specific business need. You can Read More …
1.0 Server Architecture
1.0 Server Architecture 1.1 Explain the purpose and function of server form factors As it has been said – size matters. Different form factors mean different sizes of servers and this section describes them all. Rack mount refers to server Read More …
CompTIA Server+ (sk0-004)
CompTIA Server+ is a general IT certification touching more subject of the IT world. Although it doesn’t go very deep on certain matters, in my opinion it is a good way how to consolidate your knowledge about many areas of Read More …