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Különbségek
A kiválasztott változat és az aktuális verzió közötti különbségek a következők.
Előző változat mindkét oldalonElőző változatKövetkező változat | Előző változat | ||
linux:network [2019/01/24 11:00] – admin | linux:network [2024/03/21 16:49] (aktuális) – admin | ||
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Sor 1: | Sor 1: | ||
====== Hálózati okosságok ====== | ====== Hálózati okosságok ====== | ||
+ | |||
+ | ==== File letöltő BASH-sel ==== | ||
+ | |||
+ | < | ||
+ | #!/bin/bash | ||
+ | # Usage: ./ | ||
+ | raw_download() { | ||
+ | wPROTO=" | ||
+ | af=" | ||
+ | wBASE=" | ||
+ | wSUB=" | ||
+ | |||
+ | HTTP_REQUEST=" | ||
+ | echo -en 'GET /'" | ||
+ | echo -en 'Host: '" | ||
+ | echo -en ' | ||
+ | })" | ||
+ | |||
+ | if [[ " | ||
+ | echo " | ||
+ | else | ||
+ | exec {NFD}<>"/ | ||
+ | echo " | ||
+ | while read -u " | ||
+ | echo " | ||
+ | done | ||
+ | exec {wFD}>& | ||
+ | fi | ||
+ | } | ||
+ | |||
+ | main() { | ||
+ | raw=" | ||
+ | echo " | ||
+ | } | ||
+ | |||
+ | main " | ||
+ | </ | ||
+ | |||
+ | ==== Rsync ==== | ||
+ | |||
+ | To create a new directory at the destination and back up your files there, add a trailing slash (/) at the end of the destination path. If you add the trailing slash to the source, then the source directory will not be created at the destination. Rsync only transfers its content in that case. | ||
+ | Kulcs használat: | ||
+ | |||
+ | rsync e "ssh -i $HOME/ | ||
+ | |||
+ | ==== Firewalld ==== | ||
+ | |||
+ | [[https:// | ||
+ | |||
+ | ==== Port tesztelés BASH-sel ==== | ||
+ | |||
+ | / | ||
+ | |||
+ | / | ||
+ | |||
+ | So you could use something like this: | ||
+ | |||
+ | xenon-lornix: | ||
+ | SSH-2.0-OpenSSH_6.2p2 Debian-6 | ||
+ | ^C pressed here | ||
+ | |||
+ | Szkriptbe: | ||
+ | |||
+ | (echo > / | ||
+ | timeout 1s bash -c "true <>/ | ||
+ | while [[ -n $((echo > / | ||
+ | |||
+ | nc-vel: | ||
+ | |||
+ | nc -zv hoszt port | ||
+ | |||
+ | Windows PowerShell: | ||
+ | |||
+ | Test-NetConnection -ComputerName myserver.com -Port 443 | ||
+ | ==== NFS okosságok ==== | ||
+ | |||
+ | Portcheck ([[http:// | ||
==== SSH okosságok ==== | ==== SSH okosságok ==== | ||
+ | |||
+ | [[linux: | ||
=== SSH-n másolás köztes állomáson át === | === SSH-n másolás köztes állomáson át === | ||
tar cvf - file1 file2 | ssh KoztesHoszt "ssh -o \" | tar cvf - file1 file2 | ssh KoztesHoszt "ssh -o \" | ||
+ | | ||
+ | Kicsit kultúráltabban: | ||
+ | |||
+ | ~/ | ||
+ | |||
+ | < | ||
+ | Host jumphost1 | ||
+ | User username1 | ||
+ | Host jumphost2 | ||
+ | User username2 | ||
+ | ProxyCommand ssh -W %h:%p jumphost1 | ||
+ | Host jumphost3 | ||
+ | User username3 | ||
+ | ProxyCommand ssh -W %h:%p jumphost2 | ||
+ | Host server | ||
+ | User username4 | ||
+ | ProxyCommand ssh -W %h:%p jumphost3 | ||
+ | </ | ||
+ | |||
+ | Majd | ||
+ | ssh/scp server ... | ||
=== Több parancs futtatása SSH-n === | === Több parancs futtatása SSH-n === | ||
Sor 35: | Sor 135: | ||
expect eof" | expect eof" | ||
</ | </ | ||
+ | |||
+ | Az ssh parancs ne hajtsa végre a hibás RC kódú parancs utáni többi parancsot: set -e | ||
+ | |||
+ | === SFTP leírások === | ||
+ | |||
+ | [[https:// | ||
+ | [[https:// | ||
==== Egyéb okosságok ==== | ==== Egyéb okosságok ==== | ||
Sor 58: | Sor 165: | ||
ftp> bin | ftp> bin | ||
ftp> put "| dd if=/ | ftp> put "| dd if=/ | ||
+ | |||
+ | === Hálózat felderítés === | ||
+ | |||
+ | nmap -sP hoszt/ | ||
+ | |||
=== Port scanning === | === Port scanning === | ||
nmap -sT hoszt | nmap -sT hoszt | ||
- | === FC portok lekérdezése === | + | === Ethernet és FC portok lekérdezése === |
< | < | ||
- | #!/bin/sh | + | #!/bin/bash |
- | echo --- BEGIN --- | + | SEARCH=${1-.} |
- | for port in $(ls -d /sys/class/fc_host/host*); do | + | VLAN_SNIFF_TIME=10 |
- | | + | #ETH |
- | printf "Port state: \t"; | + | echo " |
- | printf "Port speed: | + | echo "# Ethernet:" |
- | | + | for ETH in $(ip addr | awk -F': ' '/</{print $2}' | egrep -v ' |
- | echo ----- | + | STATE=$(ethtool $ETH 2>/dev/null | awk -F': ' '/Link detected/ |
+ | SPEED=$(ethtool $ETH 2>/ | ||
+ | | ||
+ | VLANS=$(timeout ${VLAN_SNIFF_TIME} tcpdump -c 1000 -nni $ETH -e vlan 2>/ | ||
+ | SLAVES="" | ||
+ | for BOND in `ls / | ||
+ | if [[ $(grep -c " | ||
+ | MAC=$(grep -A5 " | ||
+ | fi | ||
+ | done | ||
+ | if [[ $ETH =~ ^bond ]]; then | ||
+ | SLAVES=$(awk '/^Slave Interface/ | ||
+ | fi | ||
+ | echo " | ||
+ | done | ||
+ | #FC | ||
+ | echo "# Fiber Channel:" | ||
+ | for PORT in $(ls -d / | ||
+ | STATE=$(cat $PORT/ | ||
+ | SPEED=$(cat $PORT/speed) | ||
+ | WWN=$(cat $PORT/ | ||
+ | echo " | ||
done | done | ||
- | echo --- END --- | ||
</ | </ | ||
Sor 87: | Sor 219: | ||
</ | </ | ||
+ | === VLAN tag-ek az interfész csomagjain === | ||
+ | |||
+ | tcpdump -c 1000 -nni bond0 -e vlan | grep -o 'vlan [0-9]*' | ||
+ | |||
+ | [[http:// | ||
+ | |||
+ | [[https:// |