Category: RedHat / CentOS


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 […]


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 […]


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 […]


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

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


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 […]


You could manually and termporarily get an dynamic ip address from dhcp server like this: dhclient eth0; # renew dhcp lease, ask for dhcp address, where eth0 is probably the nic you want The /etc/sysconfig/network file should contain the following […]

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

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. you can upgrade with Debian to […]