26.Mai.2017

Yay! There are now 3500 Linux games on Steam https://t.co/AMTnssOUVQ i wonder if you can play all android(java) games on a PC as well?

25.Mai.2017

„Trump-Modus“: 1Password entfernt Passwörter temporär für GrenzkontrollenNutzer können in dem Passwort-Manager hinterlegte Zugangsdaten nun leicht von all ihren Geräten entfernen – und später wieder hinzufügen. Dies soll verhindern, dass Grenzbeamte bei Kontrollen Einblick in die Daten erlangen. › Artikel lesen     […]

24.Mai.2017

what is umask? umask defines what what access rights newly created files „are born“. we are all supposed to be created equal – but depending if you are a son of Rothchild, Rockefeller or born in Namibia – your previleges […]

24.Mai.2017

What is yum? yum is the default package manager for RPM-based linux distributions (CentOS, Fedora, RHEL, Oracle). It’s written in python and it stands for “Yellowdog Updater, Modified”, as it was originally called “yup”, the package manager for Yellow Dog […]

24.Mai.2017

What is glibc? The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, […]

linux verbose output during boot – show more output kernel messages
24.Mai.2017

1. open up grub config file and remove vim /etc/default/grub; 2. on this line remove the word „quiet“ GRUB_CMDLINE_LINUX_DEFAULT=“resume=/dev/sda1 showopts splash quiet“ 3. re generate grub config files 3.1. on redhat/centos/suse12 grub2-mkconfig -o /boot/grub2/grub.cfg 3.1. on debian/ubuntu update-grub update-grub2 #which […]

22.Mai.2017

Table 4-1. Regular expression operators Operator Effect . Matches any single character. ? The preceding item is optional and will be matched, at most, once. * The preceding item will be matched zero or more times. + The preceding item […]

22.Mai.2017

vim stresscpu.sh; # create new script file #!/bin/bash while true; do echo -n "+."; done; save and quit chmod u+x stresscpu.sh; # mark it runnable nohup stresscpu.sh & # run in background htop # streeeeeeessss! it is also a harddisk-stress […]

22.Mai.2017

cool apt-get install fortune cowsay; # will have to be installed first then you can let your dinosaur speak 😀  /usr/games/cowsay -f stegosaurus „Hello World“  _____________ < Hello World >  ————- \                             .       .  \                           / `.   .‘ “   […]

21.Mai.2017

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 vim /scripts/partitions_overview.sh; # create new script #!/bin/bash PARTITIONS=/dev/sd* for f in $PARTITIONS do   echo "_______________________________________________________________________________"   blkid $f   hdparm -I $f | grep […]

19.Mai.2017

What are kernel modules? What exactly is a kernel module? Modules are pieces of code that can be loaded and unloaded into the kernel upon demand without rebooting the system. Without modules, we would have to build monolithic kernels and […]

19.Mai.2017

these commands are equally valid, both commands add „content“ to the end of file – if file does not exists it will be created. echo "content" >> file; >>file echo "content"; echo $?; # returns the error level (1 = […]

19.Mai.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.Mai.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 […]

19.Mai.2017

rpm is a powerful Package Manager for Red Hat, Suse and Fedora Linux. It can be used to build, install, query, verify, update, and remove/erase individual software packages. A Package consists of an archive of files, and package information, including […]

19.Mai.2017

little experiment shows in what order the config files are loaded after login… login as non-root user 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 Broadcast message from user@debian (pts/0) (Fri May 19 […]

17.Mai.2017

su; # become root yum install kernel-devel # get kernel source # kernel sources will be copied to /usr/src/kernels/3.10.0-514.16.1.el7.x86_64/ # there is a broken softlink in # /usr/src/kernels/3.10.0-514.el7.x86_64 # -> # /usr/src/kernels/3.10.0-514.16.1.el7.x86_64/ # which you will have to fix like […]

linux CentOS7 – install MATE Gnome2 based Desktop
17.Mai.2017

yum install epel-release yum groupinstall "X Window system" yum groupinstall "MATE Desktop" systemctl isolate graphical.target; # Tell your system to start the Graphical Interface unlink /etc/systemd/system/default.target; ln -s /usr/lib/systemd/system/graphical.target /etc/systemd/system/default.target; reboot; you should get a grafical login prompt now creditz: […]