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Posted by jpluimers on 2017/12/05
The [WayBack] Interactive map of Linux kernel is way better than the static versions below that I got via
[WayBack] Interactive map of the Linux kernel subsystems. A little bit beyond what is required to use Linux. But great for those who want a deeper understanding of the kernel. – Joe C. Hecht – Google+
–jeroen
Posted in *nix, Development, Linux, Power User, Software Development | Leave a Comment »
Posted by jpluimers on 2017/12/01
I had zypper being confused about the dist-upgrade between these snapshots:
< CPE_NAME="cpe:/o:opensuse:tumbleweed:20171125"
---
> CPE_NAME="cpe:/o:opensuse:tumbleweed:20171129"
It ran into this:
Problem: libopenssl-1_0_0-devel-1.0.2m-1.1.x86_64 conflicts with libopenssl-devel > 1.0.2m provided by libopenssl-devel-1.1.0g-1.1.noarch
Based on [WayBack] Re: [opensuse-factory] openssl dependency problems with snapshot 2017112 after discussing with DimStar, I choose to have zypper dist-upgrade to perform
deinstallation of libopenssl-1_0_0-devel-1.0.2m-1.1.x86_64
Now all is fine.
Thanks Dominique a.k.a. DimStar!
–jeroen
Posted in *nix, Linux, openSuSE, Power User, SuSE Linux, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2017/11/30
SuSEconfig has been dead for a while, but still indexed at quite a few of the official sites stressing the importance to use it.
It used to apply the configuration in /etc/sysconfig to the system.
The rationale for removal was simple:
Let’s remove all SuSEconfig scripts since only YaST calls SuSEconfig but other tools like rpm and zypper do not call it.
If scripts are needed, they need to be invoked as part of the postinstall.
Now most services either know to directly handle the configuration data there (and apply it during reload/restart/start of the service), or have a tool (like postfix now has /usr/sbin/config.postfix) to apply the settings.
–jeroen
References:
Posted in *nix, Linux, openSuSE, Power User, SuSE Linux, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2017/11/20
Via [WayBack] Scott Hanselman @shanselman: Excellent blog post from Jessica on how to setup the best Linux on Windows environment! @jldeen:
[WayBack] Badass Terminal: FCU WSL Edition (oh-my-zsh, powerlevel9k, tmux, and more!)
It’s that time again! The time to write another epic blog post, this time for WSL, also known as Windows Subsystem for Linux.
It requires Windows 10 Version 1709 (Fall_Creators_Update) which has build number 10.0.16299.
–jeroen
Posted in *nix, Linux, Power User, Windows, Windows 10, WSL Windows Subsystem for Linux | Leave a Comment »
Posted by jpluimers on 2017/11/09
Interesting as it has steps for both OpenSuSE and Debian each well suited for running on a Raspberry Pi.
[WayBack] MX Backup – Postfix Email Server | samhobbs.co.uk
It seems postfix is a lot easier to configure than sendmail so I already like it.
First I need to read a bit more in Postfix greylisting.
I’ll need to catch up on Sam’s other parts with the postfix tag as well:
- Introduction:
[WayBack] Raspberry Pi Email Server
- How to set up your own email server on a Raspberry Pi: Postfix with Dovecot for IMAP, Squirrelmail for Webmail, Spamassassin & Sieve for spam filtering.
- SMTP incoming/outgoing MTA server:
[WayBack] Raspberry Pi Email Server Part 1: Postfix
- How to set up Postfix on a Raspberry Pi as part of an email server.
- IMAP/POP3 server:
[WayBack] Raspberry Pi Email Server Part 2: Dovecot
- Configure Dovecot for your Raspberry Pi email server to provide IMAP and SASL authentication.
- IMAP/SMTP webmail server:
[WayBack] Raspberry Pi Email Server Part 3: Squirrelmail
- How to set up webmail for your Raspberry Pi email server with Squirrelmail.
- Marking SMTP mail for HAM/SPAM:
[WayBack] Raspberry Pi Email Server Part 4: Spam Detection with Spamassassin
- How to set up a smart spam filter for your Raspberry Pi email server with Spamassassin.
- LMTP processing of mail rules in Dovecot:
[WayBack] Raspberry Pi Email Server Part 5: Spam Sorting with LMTP & Sieve
- Automatically sort messages marked as spam by Spamassassin into the spam folder with Dovecot Sieve (Raspberry Pi email server)
–jeroen
Posted in *nix, *nix-tools, Debian, Development, Hardware Development, Linux, openSuSE, Power User, Raspberry Pi, Raspbian, sendmail, SuSE Linux, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2017/11/07
Learned a few things when modifying https://github.com/gkotian/gautam_linux/blob/master/scripts/colours.sh
Note: `printf` supports emitting `ESC` (ASCII character `\033` aka `27` aka `0x1B`)as `\e` the same way that `echo` does https://linux.die.net/man/1/printf https://linux.die.net/man/1/echo Format strings are at https://linux.die.net/man/3/printf %-10s means left adjusted (aligned) string of length 10
–jeroen
via:
I was investigating how the colour definitions on my OpenSuSE system actually work internally so I added some extra output: ${TYPE} and ${COLOUR}.
Posted in *nix, *nix-tools, bash, bash, Development, Linux, openSuSE, Power User, Scripting, Software Development, SuSE Linux | Leave a Comment »
Posted by jpluimers on 2017/10/02
A while ago I wrote about -bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) on fresh Raspbian on Raspberry
I thought my locale issues were solved and they sort of were. Until I had to logon locally and managed to get one or more of these characters in my password:
Then logon would fail locally but work via ssh. Go figure!
Lot’s of people outside the UK using their Raspberry Pi with keyboard and monitor will now say: you’ve the default GB keyboard layout and your keyboard is not GB.
Bingo!
This is how US keys look when using a GB keyboard layout:
Posted in *nix, Debian, Development, Hardware Development, Linux, Power User, Raspberry Pi, Raspbian | Leave a Comment »
Posted by jpluimers on 2017/09/28
kvm [1]: Invalid trigger for IRQ4, assuming level low
OF: /soc/usb at 7e980000: could not get #phy-cells for /phy
Via [WayBack] Oops. – Jeroen Wiert Pluimers – Google+
This was after updating my Raspberry Pi 3 with Tumbleweed to 20170920.
Not sure what do do now. Some searches didn’t reveal much:
–jeroen
Posted in *nix, Development, Hardware Development, Linux, openSuSE, Power User, Raspberry Pi, SuSE Linux, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2017/09/22
Via “In the form over function era: Using Network Manager from the command line” [WayBack]:
As a Linux administrator you’ve got various tools to use in order to configure network connections, such as: nmtui, NetworkManager GUI and nmcli in Linux
Source: How to Configure and Manage Network Connections Using ‘nmcli’ Tool [WayBack]
–jeroen
Posted in *nix, *nix-tools, Linux, Power User | Leave a Comment »
Posted by jpluimers on 2017/09/15
I totally missed this announcement 2 months ago:
after this update, zypper dup will default to –no-allow-vendor-change, whichhas been the recommended way for Tumbleweed for a long time now.
Source: Re: [opensuse-factory] dup –no-allow-vendor-change is now default
So Dominique was glad to “rub the salt” a bit (:
[WayBack/Archive.is] Dominique / DimStar @DimStar Replying to @sysrich @jpluimers: for the record: –no-allow-vendor-change has become the default in Tumbleweed, see also http://dominique.leuenberger.net/blog/2017/06/review-of-the-week-201726/
It was documented at least on these places:
libzypp 16.13.0. The new version update hides the switch of the default for zypper dup; after this update, zypper dup will default to --no-allow-vendor-change, which has been the recommended way for Tumbleweed for a long time now, according to an email post on the openSUSE Factory Mailing List from Dominique Leuenberger. That is if the user did not change /etc/zypp/zypp.conf -.– Adjust zypp.conf for openSUSE Tumbleweed (bsc#1031756)
^^^^ This change hides the switch of the default for zypper dup: after
this update, zypper dup will default to –no-allow-vendor-change, which
has been the recommended way for Tumbleweed for a long time now.
NOTE: This will ONLY update your default configuration if you did not
touch /etc/zypp/zypp.conf – If you had local modifications, rpm will
have put a file NEXT to it (zypp.conf.rpmnew), in which case you have
to adjust the settings manually (or you likely already did)
Hope this will eliminate a good part of the issues people kept on
reporting about updates – bringing Tumbleweed one step closer to what
you expect it to do in all situations.
–jeroen
Posted in *nix, Linux, openSuSE, Power User, SuSE Linux, Tumbleweed | Leave a Comment »
The Wiert Corner - irregular stream of stuff 