Category: SUSE

12.07.2017

Init Ram Disk filesystem – kind of mini OS in order to mount raid and start „the real /root os“. hostnamectl; # tested on Static hostname: debian9 Icon name: computer-vm Chassis: vm Machine ID: 532eabca552b4075a8679094397c8dba Boot ID: 15ee0b8e8a1e4d1eb1003c4630644091 Virtualization: microsoft […]

Linux Kernel – Security Updates
27.06.2017

latest kernel related security problems can be found here… -> https://tracker.debian.org/pkg/linux newsletter subsribe: https://tracker.debian.org/accounts/login/ also https://anonscm.debian.org/cgit/kernel/linux.git http://www.securityfocus.com/ http://www.securityfocus.com/cgi-bin/index.cgi?c=11&op=display_threads&ListID=1&limit=30&offset=0&date=2017-06-20&mode=threaded https://cve.mitre.org/index.html https://twitter.com/CVEnew/ https://wiki.debian.org/DebianKernel

21.06.2017

debian has „codenames“ for it’s releases… i always get confused which codename is what release number. with those commands you can easily identify both. hostnamectl seems to be the cross-distribution solution for that. user@suse12:~> hostnamectl Static hostname: suse12.domain Transient hostname: […]

system logging – log files – rsyslog rsyslogd
12.06.2017

TOS-based systems (Atari ST) used a row of bombs to indicate a critical system error. Number of bombs displayed revealed information about the error. The error (also called an exception) is reported by the Motorola 68000 microprocessor. The very first […]

07.06.2017

file access modify creation time will always be in UTC format. In which time offset is +hours or -hours from Longitude: 0° (Prime Meridian) Prime meridian (Greenbich) GPS: 0° 00′ 05.3101″ W Other names: Z / Zulu Time Zone Time […]

19.05.2017

yeah i know i sometimes make fun of distributions that have like a partition for every /root/folder but well yes it has it’s reasons. suse12 uname -a; # tested with Linux suse 4.4.21-69-default #1 SMP Tue Oct 25 10:58:20 UTC […]

19.05.2017

there are plenty 😀 debian8.8 uname -a; # tested with Linux debian 3.16.0-4-686-pae #1 SMP Debian 3.16.43-2 (2017-04-30) i686 GNU/Linux find / -type d -iname bin /bin /usr/local/bin /usr/bin /usr/share/doc/libintl-perl/examples/simplecal/bin /usr/lib/klibc/bin suse12 uname -a; # tested with Linux suse 4.4.21-69-default […]

15.05.2017

„XFS is a high performance journaling filesystem which originated on the SGI IRIX platform.“ SGI (Silicon Graphics) is out of business since 2009. „The addition of 3D graphic capabilities to PCs, and the ability of clusters of Linux– and BSD-based […]

09.05.2017

after killing this „Hung“ process… htop still reported 100% cpu usage… but not by what process? top says it is systemd-coredum… p   ps uax|grep coredump root      4834 51.9  9.4 119256 95648 ?        R    16:39  11:24 /usr/lib/systemd/systemd-coredump 4716 1000 100 […]

04.05.2017

what real value can add linux to mankind? efficiency – less power consumed – less waste – because it runs well on old hardware as well transparency – should actually dissalow tyrannie and dictatorship – because you SHOULD acutally be […]

26.04.2017

Version used: SLE-12-SP2-Server-DVD-x86_64-GM-DVD1.iso uname -a; # version used Linux linux-mbha 4.4.21-69-default #1 SMP Tue Oct 25 10:58:20 UTC 2016 (9464f67) x86_64 x86_64 x86_64 GNU/Linux # check if firewall accepts incoming TCP connections on port 22 iptables -nL | grep 22; […]

Debian8.7 vs CentOS7 vs. SUSE12 – kernel version – filesystem – directory structure – RAM memory usage
24.04.2017

it is interesting to see what kernel+filesystem the distributions rely on. Kernels: While CentOS is still on 3.10, Debian is believing in 3.16, and SUSE is „latest“ with it’s 4.4 Version kernel. http://www.omgubuntu.co.uk/2015/04/linux-kernel-4-0-new-features https://www.heise.de/newsticker/meldung/Linux-Kernel-macht-Versionssprung-auf-4-0-2557302.html you can upgrade with Debian to […]

SUSE Enterprise Server 12 Virtual Guest on Hyper-V 6 Windows 8 Host works
24.04.2017

In contrast to SUSE ENTERPRISE 11, the Version 12 (SLE-12-SP2-Server-DVD-x86_64-GM-DVD1.iso) seems to have no problems as Guest on Hyper-V 6 on Win8. Download Link of Iso: https://www.suse.com/de-de/download-linux/ (You will have to register first) https://www.suse.com/releasenotes/x86_64/SUSE-SLES/12-SP2/ About SUSE Enterprise Server: Product Description […]

The MATRIX HAS YOU
06.09.2016

cmatrix now also for centos redhat and suse12! 😀 the probably most important linux program in cyberspace…. and neither centos nor suse have it in their repositories. shame! 😀 matrix just changed color 😀 if you wanna feel like a […]

16.06.2015

nmap returns a nice overview… but be aware! nmap localhost will return different results than nmap 192.168.0.123 (actual ip of your host) – because not all services are allowed to be accessed from outside. in the following example smtp and […]

29.04.2015

add user to group # official, cross distribution (tested with suse12, centos7, debian8) usermod -a -G GROUPNAME USERNAME usermod -a -G users user; # add user „user“ to group „users“ usermod -a -G sudo bob; # allows user bob to […]