Lunetikk's IT Wiki

User Tools

Site Tools

You are here: start » linux » general » network
Trace:
linux:general:network

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Last revisionBoth sides next revision
linux:general:network [2017/05/16 13:30] – lunetikklinux:general:network [2022/12/16 10:48] – lunetikk
Line 8: Line 8:
 |  25  |  SMTP  |  |  25  |  SMTP  | 
 |  80  |  HTTP  | |  80  |  HTTP  |
-|  137 + 139  |  TCP/UDP - SMB/Samba  |+|  111 + 2049  |  TCP/UDP - NFS  | 
 +|  123  |  UDP - NTP  | 
 +|  137 + 139 + 445  |  TCP/UDP - SMB/Samba  |
 |  443  |  HTTPS  | |  443  |  HTTPS  |
 |  8080  |  Proxy  | |  8080  |  Proxy  |
Line 43: Line 45:
 </code> </code>
  
 +=== Set proxy for apt ===
  
-==== Change your IP ====+Open apt.conf 
 +<code> 
 +vi /etc/apt/apt.conf 
 +</code> 
 + 
 +Set proxy 
 +<code> 
 +Acquire::http::Proxy "http://127.0.0.1:8080"; 
 +Acquire::https::Proxy "https://127.0.0.1:8080"; 
 +</code> 
 + 
 +=== Set proxy for wget === 
 + 
 +Open wgetrc 
 +<code> 
 +vi ~/.wgetrc 
 +</code> 
 + 
 +Set proxy 
 +<code> 
 +use_proxy=on 
 +http_proxy=127.0.0.1:8080 
 +https_proxy=127.0.0.1:8080 
 +http_proxy=http://username:password@proxy_host:proxy_port 
 +https_proxy=https://username:password@proxy_host:proxy_port 
 +</code> 
 + 
 +OR 
 + 
 +<code> 
 +wget <URL> -e use_proxy=on -e http_proxy=127.0.0.1:8080 
 +</code> 
 + 
 +==== Change your IP (Ubuntu < 16) ====
  
 Edit /etc/network/interfaces: Edit /etc/network/interfaces:
Line 64: Line 100:
 <code> <code>
 /etc/init.d/networking restart /etc/init.d/networking restart
 +</code>
 +<code>
 +ifdown eth0 && ifup eth0
 </code> </code>
  
 +==== Change your IP (Ubuntu > 16) ====
 +
 +Edit /etc/netplan/01-netcfg.yaml:
 +<code>
 +sudo vi /etc/netplan/01-netcfg.yaml
 +</code>
 +and add
 +<code>
 +network:
 +  version: 2
 +  renderer: networkd
 +  ethernets:
 +    ens3:
 +      dhcp4: no
 +      addresses:
 +        - 10.0.0.2/8
 +      gateway4: 10.0.0.1
 +      nameservers:
 +          addresses: [8.8.8.8, 8.8.4.4]
 +</code>
 +Apply the new IP config
 +<code>
 +sudo netplan apply
 +</code>
 +
 +==== Change your IP (SLES11/12) ====
 +
 +Edit /etc/sysconfig/network/ifcfg-eth0:
 +<code>
 +sudo vi /etc/sysconfig/network/ifcfg-eth0
 +</code>
 +and add
 +<code>
 +DEVICE='eth0'
 +BOOTPROTO='static'
 +STARTMODE='auto'
 +USERCONTROL='no'
 +BROADCAST=''
 +ETHTOOL_OPTIONS=''
 +IPADDR='10.0.0.2'
 +MTU=''
 +NAME=''
 +NETMASK='255.255.255.0'
 +NETWORK=''
 +REMOTE_IPADDR=''
 +</code>
 +
 +Edit gateway /etc/sysconfig/network/routes:
 +<code>
 +sudo vi /etc/sysconfig/network/routes
 +</code>
 +and add
 +<code>
 +default 10.0.0.1 - eth0
 +#default 10.0.0.1 - -
 +</code>
 +
 +Restart your networkinterface
 +
 +SLES11
 +<code>
 +/etc/init.d/networking restart
 +</code>
 +
 +SLES12
 +<code>
 +ifdown eth0 && ifup eth0
 +</code>
  
 ==== Join a domain and change hostname ==== ==== Join a domain and change hostname ====
Line 90: Line 197:
 </code> </code>
  
 +==== Tools to monitor traffic ====
 +
 +[[https://askubuntu.com/questions/257263/how-to-display-network-traffic-in-the-terminal|Askubuntu - Tools to display traffic]]
 +
 +<code>
 +
 +#bmon - shows multiple interfaces at once
 +apt-get install bmon
 +
 +#tcptrack - Tells how much bandwidth is being used and also what protocol (service/port) and destination the transmission is taking place to. Very helpful when you want to know exactly what is using up your bandwidth
 +apt-get install tcptrack
 +
 +#nload - Separated view for down and upload
 +apt-get install nload
 +
 +#iftop
 +apt-get install iftop
 +
 +#ethstatus
 +apt-get install ethstatus
 +
 +</code>
 +bmon: {{:linux:general:pasted:20190416-135948.png?400}}
 +
 +tcptrack: {{:linux:general:pasted:20190416-141118.png?400}}
 +
 +nload: {{:linux:general:pasted:20190416-141355.png?400}}
 +
 +iftop: {{:linux:general:pasted:20190416-141728.png?400}}
 +
 +ethstatus: {{:linux:general:pasted:20190416-141835.png?400}}
 ==== Troubleshooting ==== ==== Troubleshooting ====
  
Line 95: Line 233:
  
 <code> dpkg-reconfigure resolvconf </code> <code> dpkg-reconfigure resolvconf </code>
 +
 +=== Cant do ifdown/ifup ===
 +
 +<code>
 +# ifdown eth0 && ifup eth0
 +/etc/resolvconf/update-libc.d/sendmail: 7: .: Can't open /usr/share/sendmail/dynamic
 +run-parts: /etc/resolvconf/update-libc.d/sendmail exited with return code 2
 +run-parts: /etc/resolvconf/update.d/libc exited with return code 1
 +/etc/resolvconf/update-libc.d/sendmail: 7: .: Can't open /usr/share/sendmail/dynamic
 +run-parts: /etc/resolvconf/update-libc.d/sendmail exited with return code 2
 +run-parts: /etc/resolvconf/update.d/libc exited with return code 1
 +/etc/network/if-up.d/sendmail: 44: .: Can't open /usr/share/sendmail/dynamic
 +run-parts: /etc/network/if-up.d/sendmail exited with return code 2
 +</code>
 +
 +This should fix it:
 +<code> apt-get --purge remove sendmail sendmail-base sendmail-bin </code>
 +
 \\ \\
 \\ \\
-~~DISCUSSION~~+~~DISCUSSION:closed~~
linux/general/network.txt · Last modified: 2022/12/16 10:51 by lunetikk

Page Tools

Impressum Datenschutz
Except where otherwise noted, content on this wiki is licensed under the following license: Public Domain
Public Domain Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki