1.  Download rufus https://github.com/pbatard/rufus/releases/download/v3.15/rufus-3.15.exe   for windows OS
2.  Download ISO filezilla https://deac-fra.dl.sourceforge.net/project/clonezilla/clonezilla_live_stable/2.7.2-39/clonezilla-live-2.7.2-39-amd64.iso
3.  Creat boot USB disk
   • 
4.  Boot PC from disk(change BIOS setting for boot)
5. Boot frome CloneFileZilla ISO:
   • Choose
   • -- English-keep(default keyboard)
   • -- Start_Clonezilla
   • --"device-device"(work directly disk-disk)
   • ---Beginer
   • --disk_to_local_disk
   • Choose source disk to destination disk
   • "sfsck"(skip checking/repairing source file system)
   • -p choose(choose reboot/shutdown)
   • y   y 

ssh-keygen :

ssh-keygen -t rsa -b 4096 -C "ssh_key_auth"

ssh-copy-id username@remote_host 

ssh-copy-id Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.

or

cat /root/.ssh/id_rsa.pub | ssh Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript..1.6 'cat >> /etc/ssh/keys-root/authorized_keys'   for VmWare Esx

try connect:

ssh 192.168.1.131

$date_rep = get-date -uformat "%A"
$catalogPOST = "C:\Program Files\PostgreSQL\10.15-4.1C\bin"
$userDB = "postgres"
# command save password for CMD 
#SET 'PGPASSWORD = PostAdmin';

# command save password for powershell 
$env:PGPASSWORD = 'PostAdmin';

cd $catalogPOST 
$databases = .\psql.bat --% -U postgres -w -l -t -A
$databases = foreach ($database in $databases){[regex]::escape($database) -replace "\\\|.+$",""}
$databases = $databases | Select-String "^(?!.*postgres)"| Select-String "^(?!.*template)" | Select-String "^(?!.*Copy)" | Select-String "^(?!.*Perf_test)"# | Select-String "(\S*_\S*_\S*)"

foreach ($database in $databases)
{ 
$file_db = "D:\backUp\1c\Postgress\" + $date_rep + "_" +$database + ".sql"
cmd /c  $catalogPOST\pg_dump.exe --file $file_db --host "localhost" --port "5432" --username $userDB --verbose --format=c --blobs $database
}

# cmd /c  $catalogPOST\pg_restore.exe --host "localhost" --port "5432" --username $userDB  --dbname "ksi" --verbose $file_db

Cisco:

--- base install router

    ++Update(rest password, full reset, confreg,,by tftp, xmodem by console cable)--download latest IOS. Compare version 15 and 12. Learn reductions K9, Ipbase, advsecurityk9

    ++Set NAT route with use 2 interfaces fa0/0  fa0/1

    ++ssh, telnet

    ++route on the stick https://wiki.merionet.ru/seti/20/nastrojka-router-on-a-stick-na-cisco/

    ++DHCP(on different VLANs)

    ++Portforwarding (web, ftp, RDS), firewall

    ++Set ASDM(Wed and fat client)

--Switch (SW)

    ++Tag, untag(accsess, trunk)

    ++Different ip switsh in differents VLANs

    ++L3 SW(DHCP, static route)

 

Linux:   

    --Install base install

    --setting(ssh, ssh by ssh key, ip, SELinux, fdisk, LVM, add Disk, extend LVM)

    --Install Services:

        ++Apache(some virtual hosts by url or/and port)

        ++Nginx (some virtual hosts by url or/and port)

        ++Php+mariaDB

        ++Install WebMin

        ++Install Joomla templates on you hosting

        ++DHCPd

        ++Iptables(NAT, routes, ACL)

Windows:

 --AD:

           ++Types of security groups (Local, Global, Universal; Distribution, Security) link1, link2

           ++FSMO roles(link) 

                    **Master Shem

                    **Master Domain

                    **Master Infrastructure 

                    **RID master

                    **PDC emulator

            ++GPO

                    **For users 

                    **For PCs

                    **Default domain policy

                    **WMI

--Terminal

--DFS

--IIS

--CA server