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Home › 2014

Year: 2014

zfs-import-cache.service fails on startup – How to Fix

By hb Posted on October 24, 2014 Posted in Linux No Comments Tagged with hostid, Linux, Zfs

Recently I’ve upgraded ZFS on Linux to 0.6.3 on my CentOS 7 server. After reboot my pool was not available and I was only capable to force the import. In the logs I had: After quick search on the Internet …

zfs-import-cache.service fails on startup – How to Fix Read more »

Linux how to empty root email

By hb Posted on October 1, 2014 Posted in Linux No Comments Tagged with command line, email

If you are administering nix server you’ve probably noticed that root account is used by default for many system emails. If you did set email forwarding you already received them, but in case you did not the folder continues to …

Linux how to empty root email Read more »

CentOS 7 how to install LAMP

By hb Posted on August 9, 2014 Posted in Linux No Comments Tagged with Apache, CentOS7, LAMP, MariaDB, PHP, phpMyAdmin

With my new server I wanted to install LAMP stack so I can test WEB applications locally. Just to note that in CentOS 7 it is not exactly classic LAMP (Linux Apache MySQL PHP), but new LAMP ( Linux Apache …

CentOS 7 how to install LAMP Read more »

CentOS 7 how to change hostname

By hb Posted on August 9, 2014 Posted in Linux No Comments Tagged with CentOS, howto

After I’ve created my home server I’ve tried to change it’s host name by going to /etc/sysconfig/network. For my surprise it was empty. Then I’ve recalled that in version 7 CentOS started using systemd. Hence the location changed. New place …

CentOS 7 how to change hostname Read more »

How to create bootable USB key for CentOS 7 installation

By hb Posted on August 5, 2014 Posted in Linux 3 Comments Tagged with boot, CentOS7, installation, usb

CentOS 7 is out and I wanted to test it on real hardware. Unfortunately most of current methods to transfer bootable ISO to USB key in MS windows environment do not work (see quote below) or boots, but does not …

How to create bootable USB key for CentOS 7 installation Read more »

CentOS – how to disable IPv6 without restart

By hb Posted on July 23, 2014 Posted in Linux No Comments Tagged with CentOS, IPv6

In case you need to disable IPv6 and cannot afford to restart here are the commands to quickly do it for CentOS: echo “net.ipv6.conf.default.disable_ipv6 = 1” >> /etc/sysctl.conf echo “net.ipv6.conf.all.disable_ipv6 = 1” >> /etc/sysctl.conf sysctl -p

UBCD version 5.3.0 is released

By hb Posted on May 21, 2014 Posted in Information No Comments Tagged with UBCD

Today (May 21 2014) UBCD version 5.3.0 is released and available for download. Here are the changes: Updated ASTRA to V6.14. Updated Intel Processor Identification Utility to V4.90. Updated Memtest86 to V4.3.7. Updated Super Grub2 Disk to V2.00s2. Details could …

UBCD version 5.3.0 is released Read more »

New download mirror for UBCD

By hb Posted on May 11, 2014 Posted in Announcement No Comments Tagged with Mirror, UBCD

From today we are mirroring UBCD iso download. For those who are not familiar UBCD stands for Ultimate Boot CD and it is collection of Open Source and freeware tools that could be used to troubleshoot or fix issues with …

New download mirror for UBCD Read more »

vzdump rpm

By hb Posted on March 3, 2014 Posted in Linux No Comments Tagged with misc repo, openvz, vzdump

In some of my projects I use OpenVZ to create containers. One of the tools I use to create backup of running container is vzdump from proxmox.com. Unfortunately rpm provided is older version and latest provided only as debian package. …

vzdump rpm Read more »

Oracle VirtualBox shared clipboard

By hb Posted on January 23, 2014 Posted in Information No Comments Tagged with Oracle, VirtualBox

Oracle VM VirtualBox is a virtualization software package. It is really useful to run several OS simultaneously. And great educational tool. One useful feature not enabled by default is possibility to copy/paste between host and guest (also called shared clipboard). …

Oracle VirtualBox shared clipboard Read more »

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