CentOS

Samba update breaks AD authentication

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We’ve got a Samba server running on a CentOS 6.7 server. As part of the CentOS 6.7 upgrade a new Samba package was also installed. The packages were specifically: samba-common-3.6.23-20.el6.x86_64 samba-winbind-clients-3.6.23-20.el6.x86_64 samba-client-3.6.23-20.el6.x86_64 samba4-libs-4.0.0-66.el6_6.rc4.x86_64 samba-winbind-3.6.23-20.el6.x86_64 samba-3.6.23-20.el6.x86_64 Our Samba server is tied into a Windows 2003 Domain and we use groups to provide access to the shares … Read more

Unable to use grep to search logfiles output from Powershell scripts

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I recently had to do some PowerShell work on a Windows server which outputted some log files for later review using the “Start-Transcript” function. Later I went to review the logs looking for some specific information. I transferred them to my CentOS 5 Dev system to begin analyzing them with grep. Every time I ran … Read more

Symantec Backup Exec RALUS crashes on CentOS 7

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We just deployed our first CentOS 7 machine and are trying to back it up using Backup Exec 2010 R3 and the RALUS agent. After installing the missing compatibility libraries needed for the RALUS: yum install compat-libstdc++-33.i686 compat-libstdc++-33.x86_64 the agent installs and starts but once the Media Server connects to it the agent crashes. Some … Read more

How to upgrade CentOS 6 to CentOS 7

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This article comes with a HUGE warning. This was written using beta tools available from here: http://dev.centos.org/centos/6/upg/x86_64/Packages/ I will likely update this article when these tools are no longer in beta and when I perform this on my more complicated production server. Right now I’m testing these packages and this method on a relatively simple … Read more