23 сен2021

Docker support & clear trash

Written by Super User. Posted in Articles Unix

You can get the basic information about your Docker configuration by executing:

$ docker info
 Storage Driver: overlay2
 Docker Root Dir: /var/lib/docker

Clearing:
https://habr.com/ru/post/486200/

  •  du -hc --max-depth=1  /var/lib/docker/overlay2/
  • -Show:
    • docker system df
    • docker ps 
    • docker container ls
    • docker image ls
    • netstat -tulpn     #show services
    • docker logs -f fdea35c59924 1>/dev/null
    • docker logs 8738c47aebbb --tail N
    • docker stats    running at this moment conteyners
  • Stop/kills
    •  docker stop $(docker ps -a -q)   kill 
  • Clearning
    •   Volumes
      • docker volume ls
      • docker volume prune
      • rm -rf $(docker volume ls -qf dangling=true )
      • cd {docker volumes PATH} && rm -rf $(docker volume ls -qf dangling=true | grep -v sql)
      • docker volume rm $(docker volume ls -q)
      • docker volume rm $(docker volume ls -qf dangling=true | grep -v sql)
      • hard clear volumes  
        • cd /home/docker/volumes/
rm -rf $(docker volume ls -qf dangling=true)
      • Cash
        • docker system prune -a
      • Images
        • docker images
        • docker image prune  #удалить все установленные контейнеры и очистить ваш диск от всех созданных ими на уровне чтения-записи файлов
        • docker image rm $(docker image ls -f dangling=true -q) -f
        • docker image rm $(docker image ls -q)
        • docker image rm $(docker image ls -q) -f   clear all images
      • Conteiners
        • docker container prune
        • Stop all running containers: docker stop $(docker ps -a -q)
        • Delete all stopped containers: docker rm $(docker ps -a -q)
        •  
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03 авг2021

CloneFileZilla

Written by Super User. Posted in Articles Unix

  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 
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14 мая2021

ssh by key

Written by Super User. Posted in Articles Unix

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

or

for UBUNTU:
echo "key "  >> /home/{user}/.ssh/authorized_keys

try connect:

ssh 192.168.1.131
chmod =600 ~/.ssh/ id_rsa
chmod =600 ~/.ssh/ id_rsa.pub
chmod 750 /root/.ssh
chmod 644 /root/.ssh/authorized_keys
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20 апр2021

BackUP restore Postgress

Written by Super User. Posted in Articles Unix

$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

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07 апр2021

Dan task

Written by Super User. Posted in Articles Unix

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)

    ++ Iptabes or dnf 

    ++ install Docker

   ++ Bash script (echo hello world . sh)

--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

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