when bind named service hasn’t started after OpenSuSE Tumbleweed boots
A while ago, named would not start any more after I rebooted my Tumbleweed systems. I had this behaviour on multiple systems, each installed quite a while ago and kept up-to-date with zypper...
View ArticleLinux: See Bandwidth Usage Per Process With Nethogs Tool – nixCraft
This tutorial explains how to find out network bandwidth usage per process in real time using nethogs tool under Linux operating systems. Cool tool! Source: [WayBack] Linux: See Bandwidth Usage Per...
View ArticleSome Linux mail solutions
Too bad most of them are very picky to the Linux distributions they run on. [WayBack] 3 Awesome Complete Open Source Mail Servers Solutions For Linux and UNIX servers – nixCraft [WayBack] Install...
View ArticleNot cool: openSuse Tumbleweed switched DHCP clientID algorithm on Raspberry...
Not sure in which changeset this happened, but here is one example: old DHCP client ID 1:b8:27:eb:1a:b1:ec new DHCP client ID ff:eb:78:a9:4:0:1:0:1:22:6:67:49:b8:27:eb:78:a9:4 The first one was marked...
View ArticleNotes on recording audio calls from a Fritz!Box and playing back those...
A while ago, I documented some links for In case I ever need to record calls on my Fritz!Box devices. By now, I’ve done a bit more investigation: I’ve enabled the call monitor, did some port scans,...
View ArticleInstall on openSUSE / SLES – Zabbix.org
Interesting: [Archive.is] Install on openSUSE / SLES – Zabbix.org is possible and there are packages for this on the OpenSuSE site itself for the various kinds of distributions. For instance,...
View ArticleSSH: Connection Reset by Peer – Server Fault
One occasion I had SSH throw a Connection Reset by Peer on my when was the SD-card of a Raspberry Pi started failing and the ext4 filesystem got mounted in read-only mode. Then sshd was still listening...
View Articlehow can I free up space on /boot as “openSUSE-2014-462” fails to install on...
From a long time ago: [WayBack] how can I free up space on /boot as “openSUSE-2014-462” fails to install on openSUSE 12.3 (x86_64): Installation of kernel-desktop-3.7.10-1.40.1 failed: (with --nodeps...
View Articlelisting files with ISO 8601 time stamps on *n*x flavours
A (long!) while ago, I wrote about list date with seconds from ls command – Dev Shed that showed how to list the full ISO timestamp (including seconds) of files. This is an update. The previous post...
View ArticleLinks for Nagios openSuSE Tumbleweed monitoring (including Android devices)
For my link archive: opensuse zypper nagios tumbleweed – Google Search. [WayBack] openSUSE 12.2: Chapter 3. Monitoring with Nagios. [WayBack] check_zypper – Nagios Exchange. [WayBack] How to install...
View ArticleReptyr – Forgot to “screen” your ssh session first, and now that long running…
From a while back, but still so cool! It allows you to “recover” the terminal (stdin/stdout/stderr) of a process that was attached to a terminal or ssh session. Reptyr – Forgot to “screen” your ssh...
View Articlezypper history notes/links
For my archive: cut -d "|" -f 1-4 -s --output-delimiter " | " /var/log/zypp/history | grep -v " radd " Source: Re: [opensuse-factory] History function in zypper? Source: zypper equivalent of “rug...
View ArticleEasy Running of Scripts at Boot and Shutdown – SUSE Blog | SUSE Communities
Cool: Easy Running of Scripts at Boot and Shutdown – SUSE Blog | SUSE Communities [WayBack] opensuse – How to run my script after SuSE finished booting up? – Unix & Linux Stack Exchange [WayBack]...
View ArticleTesting SMTP from the console on Linux, BSD and Mac OS: swaks and smtp-cli...
Testing SMTP using telnet is tedious as you have to remember the commands and responses in the SMTP protocol. It gets even harder when doing SMTP AUTH, as then you have to base encode a bunch of...
View ArticlePasswordless SSH
Note: if the system you SSH from is ever compromised, then assume the passwordless targets are also compromised! [WayBack] How to set up ssh so you aren’t asked for a password [WayBack] Git –...
View ArticleDefault OpenSuSE Postfix main.cf forgets to configure SASL for cyrus…
If you see the below in your Postfix log when trying to test your config, then the SASL configuration is empty. Oddly that seems the default on OpenSuSE for a while now, despite it providing cyrus SASL...
View ArticleOpenSuSE: multi-megabyte binary blob `/etc/udev/hwdb.bin` does not need to be...
I wondered [WayBack] linux – Why is this a binary multi-megabyte blob /etc/udev/hwdb.bin under /etc? – Unix & Linux Stack Exchange. All my OpenSuSE systems had the /etc/udev/hwdb.bin file with...
View ArticleWhen your btrfs partition is damaged.
A while ago, I somehow had a damaged btrfs partition that I found out after the virtualisation host without reason decided to reboot. I’m not sure what caused that (by now the machine has been retired...
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ls colour codes on OpenSuSE tumbleweed when accessed from Mac OS X ssh
`ls` colour codes I got confused as I thought red text would mean an error. But they’re not: greenish yellow on a read background means error (a symbolic link to a place that’s no longer there). It’s...
View ArticleIntroduction to Snapshots/Rollback with Snapper | ActiveDoc
The snapper documentation itself is big and hard to grasp at once, so start here for a few examples on how to get going, or how to assess your current configuration: [WayBack] Has anyone been...
View ArticleEigenes DynDNS mit Bind und Apache – CupRacer.de
Dieser Artikel beschreibt, wie man einen eigenen Mechanismus für DNS-Updates als DynDNS-Alternative aufbaut. Translated: This article describes how you can create your own mechanism for DNS-updates as...
View ArticleOpenSuSE: the relation between /etc/var/named.d and /var/lib/named
For first time BIND named users on OpenSuSE there is often confusion on the relation between these directories: /etc/named.d/ /var/lib/named/ For example here someone else struggled: [WayBack] Re: Fwd:...
View ArticleOpenSuSE: location of cron jobs
When you look at how to find listed cron jobs, usually the answer is cron -l or cron -u username -l. However, on OpenSuSE systems, cron jobs can be in different places, and the sysconfig settings have...
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I love installers that can download and install in parallel threads….
[WayBack] I love installers that can download and install in parallel threads. Embarcadero and Zypper can learn from this. – Jeroen Wiert Pluimers – Google+ Most Linux distributions have package...
View ArticleHow to install patterns in openSUSE and SUSE – TechRepublic
This was much easier than I hoped for: the zypper verbs search and install both support the --type pattern argument. After that, the names for them are pattern names instead of the normal package...
View ArticleListing services on OpenSuSE Linux
Nowadays, most OpenSuSE Linux services are systemd based. Listing those is simple with systemctl list-units --all (configured ones) and systemctl list-unit-files (nonconfigured ones as well), though...
View ArticleShow openSUSE:Factory / bootchart – openSUSE Build Service
On my research list: [WayBack] Show openSUSE:Factory / bootchart – openSUSE Build Service. I bumped here when researching on how to list services: [WayBack] init.d – Command to list services that start...
View Articleipmi – Linux: Why does Single User mode work on Serial Console but not on the...
From [WayBack] ipmi – Linux: Why does Single User mode work on Serial Console but not on the attached Keyboard/Video/Monitor? – Server Fault (slightly edited; thanks Patrick!): Because init has not...
View ArticleRaspberry Pi 1B OpenSuSE Tumbleweed zypper upgrade problem · GitHub
It looks like OpenSuSE has stopped supporting Raspberry Pi 1, so the best likely is to recycle it into a Pi-Hole as basically it’s been dead since mid 2017: [WayBack] Raspberry Pi 1B OpenSuSE...
View ArticleRaspberry Pi, Tumbleweed, btrfs
I want to use btrfs as filesystem on a Raspberry Pi with opensuse Tumbleweed. It is hard to find out how, so here are a few links that should help me from “opensuse” “tumbleweed” “btrfs” “raspberry”...
View ArticleopenSUSE:Standards Rpm Metadata – openSUSE: Repository layout
For my link archive: [WayBack] openSUSE:Standards Rpm Metadata – openSUSE: Repository layout. It is not fully up to date any more on primary.xml.gz, so here are my notes for the aarch64 version of...
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Marrying U-Boot, uEFI and grub2 – Alexander Graf – openSUSE…
A very insightful talk: “Marrying U-Boot, uEFI and grub2 – Alexander Graf – openSUSE…” Booting is hard. Booting in the ARM world is even harder. State of the art are a dozen different boot loaders that...
View ArticleGitHub – gamelinux/passivedns: A network sniffer that logs all DNS server...
Cool tool: [WayBack] GitHub – gamelinux/passivedns: A network sniffer that logs all DNS server replies for use in a passive DNS setup via [WayBack] How to log all my DNS queries? – Unix & Linux...
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openSUSE forums tips
A few tips from posting to the openSUSE forums, learned from banging my head to the wall too often. They are at https://forums.opensuse.org/forum.php The forum software can be very slow at times taking...
View ArticleEject USB drives / eject command – Unix & Linux Stack Exchange
I always thought than an umount /dev/sdX# for all partitions on /dev/sdX was enough for USB devices to be ejected, but there are three commands that (on most systems) actually power down USB drives (or...
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Chromium/Chrome on opensuse Tumbleweed ARM notes
Somehow Firefox is available on ARM by default, but the crash recovery isn’t that awesome. On my list of things to try is Chrome or Chromium. These links should help me find out if this is possible at...
View ArticleOn my list of things to figure out: how to force fsck with opensuse...
Hopefully the below links will eventually get me further in figuring out how to force fsck with opensuse Tumbleweed on Raspberry Pi 3. For now, I just reinstalled an SD card (my Mac didn’t support the...
View ArticleRebooting a Linux server unattended – twm’s blog
[WayBack] Rebooting a Linux server unattended – twm’s blog: /sbin/shutdown -r now Simple, but I keep forgetting where Linux has short/long command options and short/long verbs. –jeroen
View ArticleOpensuse Community Account Migration
Apparently, during my 15 month rectum cancer fight, I missed the one month window of migrating my opensuse account (because of the sale of opensuse from Microfocus to a German investment company named...
View ArticleTUMBLEWEED Ordering cycle at boot with nss-lookup: named fails to start...
I have seen this on one Raspberry Pi 3 system: named failing to start during a normal reboot. The solution is to manually rcnamed start as root after boot. From [Wayback] TUMBLEWEED Ordering cycle at...
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Need to do some catch up on “Transactional Server” from Open Suse
Transactional Server to me smiles like Microsoft data warehouse era, so seeing it in an OpenSuSE Tumbleweed install made me wonder: huh, DBMS? So I likely need some catch up to do do on this:...
View ArticleWondering about the flavours of Tumbleweed ISO images
The Tumbleweed ISO images have many flavours, none yet covered in a comprehensive list. I found [WayBack] Get openSUSE , which only explains part of the puzzle: Installation: x86_64, i586, aarch64,...
View ArticleAfter the freenode to libera transition: openSUSE:IRC list – openSUSE Wiki
For my link archive: [Wayback] openSUSE:IRC list – openSUSE Wiki –jeroen
View Articlefirewalld: show interfaces with their zone details and show zones in use
A while ago openSUSE switched to firewalld as a fronte-end for iptables. Tumbleweed was first in 2018, so I wrote a reminder: On my research list: migrate from OpenSuSE SuSEfirewall2 to firewalld « The...
View Articleopensuse – How to install patterns and packages at the same time? – Unix &...
appending : to the resolvable allows you to match different types in one command it seems. zypper install java-1_6_0-openjdk-devel mercurial +pattern:devel_C_C++ +pattern:devel_java The italic are...
View ArticleInstall pihole-eberkund on openSUSE using the Snap Store | Snapcraft
I wonder what this provides compared to a pihole virtual appliance: [WayBack] Install pihole-eberkund on openSUSE using the Snap Store | Snapcraft with these repositories: [WayBack] pihole-eberkund...
View ArticleOpenSuSE tumbleweed switched to using /etc/sudoers.d which broke yast module...
Mid 2020, I re-installed a Raspberry Pi 2 box based on OpenSuSE Tumbleweed. To my susprise the yast2 module sudo could not write the configuration. It appeared that /etc/sudoers had become readonly and...
View ArticleHow do I restart sshd on my Unix system | StarNet Knowledge Database – PC X,...
[Wayback] How do I restart sshd on my Unix system | StarNet Knowledge Database – PC X, X Windows, X 11 & More – StarNet RedHat and Fedora Core Linux /sbin/service sshd restart Suse linux...
View ArticleHow to change system hostname in SUSE
The proper way is not manually changing /etc/hostname, but running this:: hostnamectl set-hostname host [Wayback] How to change system hostname in SUSE Background information in [Wayback] linux –...
View ArticleFor my link archive: ISO links to openSUSE Leap 15.5 – Get openSUSE
For my link archive some ISO links via [Wayback/Archive] openSUSE Leap 15.5 – Get openSUSE as I am steadily working my way back into IT and Software Development so I was anxious to see what has changed...
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