Site dedicated mainly to internetworking. The goal is to share experiences, teach IP, IPv6. Talk about Linux, IP services, servers, promote IPv6 adoption, routing protocols, security and in some cases just some thoughts. Keywords: linux, cisco, ospf, bgp, eigrp, ip, ipv6, sla, link, routers, routings, telco, telecommunications, security, ipv4
Tuesday, February 22, 2022
Sunday, September 26, 2021
Solved: VBoxGuestAdditions.iso (VERR_PDM_MEDIA_LOCKED)Solved:
Saturday, July 24, 2021
Solved: GNS3 - Private Vlan - non-operational - Cisco
Status:
In summary: private vlan are not working in GNS3, not even using IOU or VIRL
Solution:
User IOU i86bi-linux-l2-adventerprisek9-15.2d.bin
Test:
IOU3#show vlan private-vlan
Primary Secondary Type Ports
------- --------- ----------------- ------------------------------------------
500 501 community Et0/1, Et0/2, Et1/0
500 502 isolated Et0/0, Et0/3, Et1/0
Good luck!,
Wednesday, June 30, 2021
Super easy script - Python3 & optimizing every table of a mysql db
#!/usr/bin/python3.3
#The objetive of this script is to find all tables in a MYSQL DB and opmitize all of them
import dbconnect
import time
from datetime import datetime
## // VARIABLE DECLARATION ##//
startTime = datetime.now()
conn = dbconnect.dbconnect()
conn.autocommit(True)
cur = conn.cursor()
print ("Starting time: ", startTime)
SQLQUERY=("SHOW TABLES") #Find every table in the DB
cur.execute(SQLQUERY)
tables = cur.fetchall()
if len(tables)>0: #Prevent there are not tables in the list
for table in tables: #For every table in the DB
try:
SQLQUERY="OPTIMIZE TABLE "+ table[0] #Construct the SQL QUERY
print (" Optimizing", table[0])
cur.execute(SQLQUERY)
except:
pass
print ("Script execution time:",datetime.now()-startTime)
print ("Ending time: ", datetime.now())
print ("******** ****** ")
Friday, June 25, 2021
IPv6 Deployment - LACNIC region
The video below shows the IPv6 deployment for the LACNIC region using a Bar Chart Race format
Made with https://flourish.studio/
Tuesday, June 1, 2021
Solved: Finder on MAC does not find any files in its searches
Problem:
Finder can't find files when searching.
Solution:
I know there are many solutions, many with spotlight in system preferences, but the one that worked for me was to open a terminal window and run/execute:
#sudo mdutil -E /
I hope this is useful
Wednesday, May 19, 2021
Solved: nping - libnsock mksock_bind_addr(): Bind to 2001:db8:1::1:0 failed (IOD #1): Cannot assign requested address (99)
Problem: