Author: hb

Postgres 9.4 failed to start in container – How to Fix

After upgrading Postgres to version 9.4 in VM using container service failed to start with following message: Quick search pointed to lack of shared memory, but I had more than enough. It turned that fix is to change dynamic_shared_memory_type from

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Centos 7 how to fix -bash: ifconfig: command not found

If you installed CentOS 7 minimal you might see following error message when you try to use ifconfig to see your ip address: If you search for the package it is in net-tools package In case you do not want

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How to solve timeout in phpMyAdmin

phpMyAdmin is a tool written in php intended to handle administration of MySQL servers over the web interface. When trying to import large SQL dumps you might see following message: Maximum execution time of 300 seconds exceeded If you are

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

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

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Linux how to empty root 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

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CentOS 7 how to install LAMP

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

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CentOS 7 how to change hostname

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

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How to create bootable USB key for CentOS 7 installation

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

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CentOS – how to disable IPv6 without restart

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

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UBCD version 5.3.0 is released

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

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