XFreeRDP error BIO_should_retry returned a system error 32 Broken pipe solved

Published on September 26th 2023 - Listed in Linux Windows Network - 0 comments

How to disable (turn off) LED illuminator lights on Dahua IP surveillance camera

Published on August 25th 2023 - Listed in Hardware Security Network Surveillance - 0 comments

How to run Rocky Linux 9 as LXC container, fix network and enable EPEL repositories

Published on August 16th 2023 - Listed in Linux LXC Network - 0 comments

Workaround for negated (exception) iptables rules with multiple sources or destinations

Published on January 30th 2023 - Listed in Network Linux Security - 0 comments

New monitoring plugin: check_sftp to monitor SFTP server(s)

Published on December 27th 2022 - Listed in Monitoring Linux Network Cloud - 0 comments

How to verify and monitor Tinyproxy as a HTTP forward proxy

Published on December 15th 2022 - Listed in Monitoring Proxy Linux Internet Network - 0 comments

How to block a client IP address or range in Cloudflare

Published on November 9th 2022 - Listed in Cloud Security Internet Network - 0 comments

Host object in Nagios marked as down, check_ping shows network unreachable

Published on October 24th 2022 - Listed in Nagios Monitoring Network - 0 comments

LXC container with macvlan interface not starting after unclean stop

Published on September 16th 2022 - Listed in LXC Linux Network - 0 comments

How to set up log forwarding in KeyCDN and log events to a dedicated log file with Rsyslog

Published on June 17th 2022 - last updated on June 17th 2022 - Listed in Linux Cloud Network Internet - 0 comments

Troubleshooting AWS EC2 instance with lost network connectivity (after upgrade to Ubuntu 20.04)

Published on February 9th 2022 - Listed in AWS Cloud Linux Network Systemd - 0 comments

IP address filtering in Logstash: To cidr, or not to cidr?

Published on February 1st 2022 - Listed in Logstash ELK Linux Network - 0 comments

Quick and easy log listener with Logstash and local file output

Published on January 25th 2022 - last updated on March 29th 2022 - Listed in Logstash ELK Linux Network - 0 comments

Interface name change in SNMP output after Checkpoint upgrade (R80.30 to R81.10) leads to monitoring issues

Published on January 21st 2022 - Listed in Monitoring Security Network - 0 comments

SNMP v3 authentication with SHA1 protocol not working after Checkpoint Gaia upgrade to R81.XX

Published on January 18th 2022 - last updated on May 2nd 2022 - Listed in Monitoring Security Network - 2 comments

How to fix a Rancher 2 cluster node stuck registering in downstream cluster (not shown in UI)

Published on January 10th 2022 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Monitoring plugin check_rancher2 1.7.1 released: Fix in cluster status check

Published on December 1st 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

How to monitor and handle evicted pods (containers) in Rancher managed Kubernetes

Published on September 17th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Debian 11 (Bullseye) and the problem with bond (bonding) LACP interfaces

Published on September 1st 2021 - last updated on September 15th 2022 - Listed in Linux Hardware Network - 12 comments

Monitoring plugin check_rancher2 1.6.1 released: Bugfix in cluster and project lookup

Published on August 25th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Analysis of packet losses of KVM guest Ubuntu 18.04 on Debian 9 host (interface model type)

Published on July 5th 2021 - Listed in Linux Network Virtualization KVM - 1 comments

How to setup Raspberry Pi Zero without mouse and keyboard attached to micro USB

Published on June 16th 2021 - Listed in Hardware Linux Network - 0 comments

Monitoring plugin check_rancher2 1.6.0 released: added performance data on single Kubernetes cluster check

Published on May 4th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Monitoring plugin check_rancher2 1.5.0 released: jq is now required instead of jshon, fixes cluster health check

Published on April 14th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

How to use multiple check_nwc_health warningx parameters in Icinga 2

Published on April 6th 2021 - Listed in Monitoring Network Icinga - 0 comments

Fixing the Monitoring API is not ready error in Rancher 2 Kubernetes clusters

Published on February 18th 2021 - last updated on February 19th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Rancher 2 Kubernetes cluster shows alerts on Controller Manager and Scheduler - but why? A jump into the Kubernetes rabbit hole.

Published on February 11th 2021 - last updated on August 26th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

How to deploy your own remote public IP address lookup service (in Kubernetes using Rancher 2)

Published on December 11th 2020 - Listed in Docker Kubernetes Rancher Internet Network Cloud - 0 comments

Monitoring plugin check_netio 1.6 released: Limit tcp statistic output in performance data

Published on September 4th 2020 - Listed in Monitoring Linux Network - 0 comments

Keepalived scripts and how to run them as non root user

Published on September 3rd 2020 - Listed in Linux Network - 0 comments

Keepalived virtual ip addresses gone lost after systemd update

Published on May 12th 2020 - Listed in Linux Systemd Network - 0 comments

How monitoring plugin check_nwc_health calculates network interface traffic speed

Published on March 19th 2020 - last updated on March 19th 2020 - Listed in Monitoring Network - 0 comments

Raspberry Pi 3b+, Gigabit PoE switch and PoE splitter: An impossible setup? Nope!

Published on December 13th 2019 - Listed in Hardware Linux Network - 0 comments

Getting the EDIMAX EW-7811UN to work with Linux Mint 18.1

Published on February 11th 2019 - last updated on December 4th 2019 - Listed in Linux Network Wireless Hardware - 0 comments

Outages in the Cloud. Whom to blame and how to prove it?

Published on January 11th 2019 - last updated on March 13th 2019 - Listed in Internet Linux Network Monitoring Influx Grafana - 4 comments

Monitoring plugin check_netio 1.3 released

Published on December 21st 2018 - Listed in Monitoring Linux Network - 0 comments

How to change check source in an Icinga 2 distributed master-master setup

Published on August 21st 2018 - last updated on January 23rd 2024 - Listed in Icinga Monitoring Network - 0 comments

LXC container in network reachable, but cannot ping between host and container

Published on July 27th 2018 - Listed in LXC Linux Network - 0 comments

check_nwc_health: rumms - UNKNOWN no interfaces

Published on July 20th 2017 - Listed in Network Icinga Nagios Monitoring - 0 comments

Firmware-Upgrade of a Dahua IPC-HFW1320S network camera

Published on April 18th 2017 - Listed in Hardware Security Network Surveillance - 1 comments

Testing multicast is working with omping

Published on August 10th 2016 - Listed in Linux Network - 0 comments

Plugged wlan access point - no link on switch (BPDU Guard disabled port)

Published on June 30th 2016 - Listed in Network - 0 comments

Move an iptables firewall rule up the chain before a reject rule

Published on February 4th 2016 - last updated on May 7th 2021 - Listed in Linux Security Network - 0 comments

pptp client on Linux: Disable crazy anon logging (callmgr)

Published on July 21st 2015 - Listed in Linux Network Internet - 0 comments

HTTP content encoding and caching analysis with tcpdump and wireshark

Published on June 26th 2015 - Listed in Linux Network - 0 comments

Network connectivity problems when running LXC (with veth) in VMware VM

Published on May 26th 2015 - last updated on March 22nd 2023 - Listed in VMware Linux Virtualization Network LXC - 6 comments

Problems on LXC in same network as its host which is a VMware VM

Published on May 11th 2015 - Listed in Linux Network VMware Virtualization - 1 comments

Changed internet access from DSL to Cable - gained a bit of speed

Published on May 2nd 2015 - Listed in Internet Personal Network - 0 comments

Server does not detect network card anymore (as if the card was gone)

Published on January 14th 2015 - Listed in Network Hardware Rant - 0 comments

How to use openSUSE zypper behind a HTTP proxy (with authentication)

Published on November 10th 2014 - last updated on January 17th 2022 - Listed in Linux Network Internet - 5 comments

Network Intrusion Detection System with Suricata on Debian Wheezy

Published on October 8th 2014 - Listed in Security Linux Network - 2 comments

Cannot uninstall Cisco VPN Client 5.0 on Windows 7

Published on June 16th 2014 - Listed in Windows Network Rant - 1 comments

Network interfaces are named em instead of eth on Ubuntu 14.04 LTS

Published on May 23rd 2014 - last updated on June 22nd 2023 - Listed in Linux Network - 0 comments

Cannot connect to SSH: Connection closed by remote host

Published on April 14th 2014 - Listed in Linux Network - 0 comments

netio - a tool to measure network speed across operating systems

Published on September 26th 2013 - Listed in Windows Linux BSD Backup Network - 0 comments

Solaris: (Hot-)Add a new ip address to a zone without reboot

Published on July 22nd 2013 - Listed in Solaris Unix Network - 2 comments

Looking for tcpdump on Solaris? Use snoop!

Published on July 12th 2013 - Listed in Linux Solaris Shell Network Unix - 1 comments

Backing up locally with rsnapshot? Use ionice to reduce load.

Published on June 27th 2013 - Listed in Linux Network - 0 comments

check_win_net_usage now handles connection errors

Published on October 19th 2012 - Listed in Nagios Windows Network Monitoring - 2 comments

Bugfix for check_win_net_usage wrapper-plugin

Published on October 10th 2012 - Listed in Nagios Windows Network Monitoring - 0 comments

Share your desktop with VNC server on Linux (openSuSE 12.1)

Published on August 12th 2012 - Listed in Linux Network - 0 comments

How to install a KMS license server for Office 2010

Published on May 25th 2012 - Listed in Windows Network - 1 comments

Using aptitude/apt-get with Proxy Authentication

Published on May 4th 2012 - Listed in Linux Network - 1 comments

Robocopy vs. Richcopy

Published on April 18th 2012 - Listed in Windows Network - 8 comments

Monitor Windows remote connections (RDP or ICA)

Published on January 31st 2012 - Listed in Nagios Windows Network Virtualization Monitoring - 4 comments

How to forward USB device to a virtual machine

Published on December 21st 2011 - Listed in Windows VMware Network Virtualization Hardware - 0 comments

New Nagios plugin: check_win_net_usage

Published on November 22nd 2011 - Listed in Nagios Windows Network Monitoring - 4 comments

How to monitor Windows network traffic with Nagios

Published on November 16th 2011 - last updated on March 27th 2020 - Listed in Nagios Windows Network Monitoring - 26 comments

Create automatic ftp transfer script behind proxy on Windows

Published on October 11th 2011 - Listed in Windows Network - 2 comments

SMTP Internet provider interception - I do not like it.

Published on August 16th 2011 - Listed in Internet Mail Network Rant - 0 comments

check_equallogic: Bugfix in volumes and etherrors thresholds

Published on April 4th 2011 - Listed in Nagios Hardware Network Monitoring - 0 comments

check_equallogic now catches ethernet packet errors

Published on March 28th 2011 - Listed in Nagios Hardware Network Monitoring - 0 comments

First fights with UCS -> Port Channel Uplink doesn't work [solved]

Published on October 22nd 2010 - Listed in Hardware Network - 6 comments

Magical ethernet interface (network card not detected - electrical circuit issue?)

Published on September 19th 2010 - Listed in Hardware Personal Network Rant - 0 comments

Swisscom ADSL started to block port 25

Published on May 25th 2010 - Listed in Internet Android Network Rant - 0 comments

Follow-up on using NTLM on Windows 7 for Proxy Authentication

Published on April 28th 2010 - Listed in Windows Proxy Network - 0 comments

How to use wired LAN and WLAN without problems

Published on February 15th 2009 - Listed in Internet Windows Network - 0 comments

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