Administracja sieci teleinformatycznych

Cyberbezpieczeństwo

KONTAKT

MIDNIGHT COMMANDER

Shortkeys:"key1" & "key2" - means - put key1 and after that put key2"key1" + "key2" - means - put key1 and hold on put key2"esc" & "o" #the same directory on neighbor window"ctrl" + "x" & "q" #show file content"ctrl" + "x" & "s" #make symbolic link"ctrl" + "x" & "c"...

KLASY IP

/25(128) /26(192) /27(224) /28(240) /29(248) /30(252)-----------------------------------------------------0-127 0-63 0-31 0-15 0-7 0-34-78-15 8-1112-1516-31 16-23 16-1920-2324-31 24-2728-3132-63 32-47 32-39 32-3536-3940-47 40-4344-4748-63 48-55 48-5152-5556-63...

ORACLE SQL

query order:FROM/WHEREadd ROWNUM to every row from FROM/WHERESELECTGROUP BYHAVINGORDER BY

LINUX RAID

1. Disk partioning:fdisk /dev/sdan - create new partitiont - create partition with type RAID (fd - Linux raid autodetect)2. Create array:mdadm --create /dev/md[nr] --level=[0|1|etc] --raid-devices=2 /dev/sda1 /dev/sdb13. Format array:mkfs.ext3 /dev/md[nr]4. Create...

ORACLE ABOUT

running mode:STARTUP NOMOUNTstartup instance and occupy memoryread pfile in order:- spfile$ORACLE_SID.ora or- spfile.ora or- init$ORACLE_SID.ora(for winshit it is necessary run service which open ORACLE.EXE [instance_name] and only one process unlike many processes at...