Work

Create / Uncompress 7z files

Question: How do I uncompress a *.7z file ( 7zip file ) in UNIX / Linux ? Can you explain with a simple example? Answer: Use 7za command to unzip a 7z file ( 7zip file ) on Unix platform…

Virtualization Fedora 20

You can installin virt manager on Fedora FC20 with following commands: yum install virt-manager yum install libvirt Starting virt-manager will ask you to install additional 2 packages then you get lovely ISO selection screen and you can start installing whatever…

Create user with restricted access to own directory

Create a new user with it’s home directory set to the one you need him to have access to (this command must be run under sudo or in root shell): adduser –home /restricted/directory restricted_user This will create an user restricted_user, the directory /restricted/directory and then…

Fedora 20 change IP

[root@drash etc]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 TYPE=Ethernet BOOTPROTO=dhcp DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no NAME=eth0 UUID=e2647d40-8e94-4c17-a842-1d35d72775b1 ONBOOT=yes DNS1=208.67.220.220 DNS2=208.67.222.222 DNS3=213.46.172.36 HWADDR=00:1C:25:1C:D8:B3 PEERDNS=yes PEERROUTES=yes IPV6_PEERDNS=yes IPV6_PEERROUTES=yes IPV6_PRIVACY=no # this server’s IP address IPADDR=“192.168.1.116″ # subnet mask NETMASK=“255.255.255.0″ # default gateway GATEWAY=“192.168.1.1″ [root@drash etc]# systemctl…

VMware Kernel headers FC20

[root@drash 3.11.9-300.fc20.i686+PAE]# cp [root@drash 3.11.9-300.fc20.i686+PAE]# uname -a Linux drash 3.11.9-300.fc20.i686+PAE #1 SMP Wed Nov 20 22:37:38 UTC 2013 i686 i686 i386 GNU/Linux [root@drash 3.11.9-300.fc20.i686+PAE]#

FC20 upgrade, skip broken packages

—> Package vlc-core.i686 0:2.1.4-2.fc21 will be an update –> Processing Dependency: libgcrypt.so.20 for package: vlc-core-2.1.4-2.fc21.i686 –> Processing Dependency: libgcrypt.so.20(GCRYPT_1.6) for package: vlc-core-2.1.4-2.fc21.i686 –> Finished Dependency Resolution Error: Package: vlc-core-2.1.4-2.fc21.i686 (rpmfusion-free-rawhide) Requires: libgcrypt.so.20(GCRYPT_1.6) Error: Package: gstreamer-plugins-ugly-0.10.19-16.fc21.i686 (rpmfusion-free-rawhide) Requires: libcdio.so.15 Error: Package:…

VMware validate kernel headers Fedora 20

[root@drash 3.11.9-300.fc20.i686+PAE]# vmware-modconfig –console –validate-kernel-headers -k 3.11.9-300.fc20.i686+PAE [root@drash 3.11.9-300.fc20.i686+PAE]# vmware-modconfig –console –validate-kernel-headers -k 3.11.9-300.fc20.i686+PAE [root@drash 3.11.9-300.fc20.i686+PAE]# vmware-modconfig –console –install-status vmmon: unknown vmnet: unknown vmblock: unknown vmci: other vsock: other

Identify kernel version

[root@drash ~]# uname -a Linux drash 3.11.9-300.fc20.i686+PAE #1 SMP Wed Nov 20 22:37:38 UTC 2013 i686 i686 i386 GNU/Linux   [root@drash 3.11.9-300.fc20.i686+PAE]# rpm -qa|grep kernel kernel-3.11.9-300.fc20.i686 libreport-plugin-kerneloops-2.1.9-1.fc20.i686 kernel-PAE-3.11.8-300.fc20.i686 kernel-devel-3.13.6-200.fc20.i686 kernel-3.12.6-300.fc20.i686 kernel-PAE-3.11.9-300.fc20.i686 kernel-3.13.6-200.fc20.i686 kernel-devel-3.11.9-300.fc20.i686 kernel-devel-3.12.6-300.fc20.i686 kernel-modules-extra-3.11.9-300.fc20.i686 kernel-headers-3.12.6-300.fc20.i686 abrt-addon-kerneloops-2.1.9-1.fc20.i686 kernel-PAE-3.11.7-300.fc20.i686 kernel-PAE-devel-3.13.6-200.fc20.i686 [root@drash…

Create user with assigned DB script

#!/bin/bash echo-n „Enter the MySQL root password: “ read-s rootpw echo-n „Enter database name: “ readdbname echo-n „Enter database username: “ readdbuser echo-n „Enter database user password: “ readdbpw db=“create database $dbname;GRANT ALL PRIVILEGES ON $dbname.* TO $dbuser@localhost IDENTIFIED BY…