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Network troubleshooting tips / code snippets

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@ -3077,6 +3077,11 @@ rpm --rebuilddb
* [Sal Ferrarello](https://salferrarello.com/chrome-clear-redirect-cache/) - (2016) Chrome Clear Redirect Cache * [Sal Ferrarello](https://salferrarello.com/chrome-clear-redirect-cache/) - (2016) Chrome Clear Redirect Cache
* [The Goose-bearing bash shell](https://goosebearingbashshell.github.io/2016/11/12/how-to-get-your-ip-address-from-the-command-line.html) - How to get your IP address from the command line. TLDR; * [The Goose-bearing bash shell](https://goosebearingbashshell.github.io/2016/11/12/how-to-get-your-ip-address-from-the-command-line.html) - How to get your IP address from the command line. TLDR;
type `curl ident.me` to know your public ip type `curl ident.me` to know your public ip
* [Joyent Support](https://help.joyent.com/hc/en-us/articles/226687427-Watching-active-IP-connections-Linux) - (2016) Watching active IP connections - Linux
* Incoming connections : `watch -d -n1 lsof -i`
* [Super User](https://superuser.com/a/848966/453117) and [Server Fault](https://serverfault.com/a/353134/298315)
* Trace all connections on specific port to `/var/log/messages` (syslog) using iptables : `sudo iptables -I INPUT -p tcp --dport 443 --syn -j LOG --log-prefix "HTTPS SYN: "`
* Trace all connections on specific port to `/var/log/messages` (syslog) using iptables : `sudo iptables -I INPUT -p tcp --match multiport --dports 443,636,389,8095,80 --syn -j LOG --log-prefix "HTTPS SYN: "`
# News :exclamation: # News :exclamation:
* :fire: [**HCKR News**](https://hckrnews.com/) - unofficial alternative hacker news interface, fixing some Hacker News UI [Issues](https://hckrnews.com/about.html) * :fire: [**HCKR News**](https://hckrnews.com/) - unofficial alternative hacker news interface, fixing some Hacker News UI [Issues](https://hckrnews.com/about.html)
@ -6094,6 +6099,11 @@ type `curl ident.me` to know your public ip
rm -rf /var/lib/rpm/__db* rm -rf /var/lib/rpm/__db*
rpm --rebuilddb rpm --rebuilddb
``` ```
* [Joyent Support](https://help.joyent.com/hc/en-us/articles/226687427-Watching-active-IP-connections-Linux) - (2016) Watching active IP connections - Linux
* Incoming connections : `watch -d -n1 lsof -i`
* [Super User](https://superuser.com/a/848966/453117) and [Server Fault](https://serverfault.com/a/353134/298315)
* Trace all connections on specific port to `/var/log/messages` (syslog) using iptables : `sudo iptables -I INPUT -p tcp --dport 443 --syn -j LOG --log-prefix "HTTPS SYN: "`
* Trace all connections on specific port to `/var/log/messages` (syslog) using iptables : `sudo iptables -I INPUT -p tcp --match multiport --dports 443,636,389,8095,80 --syn -j LOG --log-prefix "HTTPS SYN: "`
# UX / UI # UX / UI
> News > News