Category: Tech Blogs

Relay Mail To Two or Multiple eMail SMTP Servers Simultaneously Using exim in Linux CentOS 6 RHEL 6

Hey there fellow Hurston students! I recently completed migrating a Windows email server running SmarterMail ...

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IP Address Active/Passive Failover Setup in Linux CentOS 6 RHEL 6 using keepalived

Hey everyone out there in BBS land.  Your old friend Max here to dump out ...

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Dell iDRAC 7 Enterprise RAC0218: The maximum number of user sessions is reached. Integrated Dell Remote Access Controller Error

Hey folks, Anyone using iDRAC management interfaces may run into problems.  I started having issues ...

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Nortel 5500 Series Switch Serial Adapter Pin Out

yellow = 2 black = 3 red = 5 connected = 1,4,6 connected = 7,8 ...

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How To Setup MySQL Enterprise Monitoring with Zabbix

This article is NOT about how to setup the application called MySQL Enterprise Monitor but ...

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Running Bacula bconsole Commands from bash CLI

Greetings, Traveler. So if you’re one of the types who use Bacula as your backup ...

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Set Default Directory Permissions in Using ACLs

I’ve only tested this on RHEL/CentOS/Scientific Linux but should work on any system running Linux acl. ...

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Slow SSH Login on CentOS/RHEL/Scientific Linux – OpenSSH

Try setting UseDNS to no in /etc/ssh/sshd_config vmhacks.com ~]# echo “UseDNS no” >> /etc/ssh/sshd_config && service sshd ...

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Dell OpenManage System Administrator Startup Error – DSM SA Shared Services cannot start on an unsupported system

OK so what if you’re using CentOS on some Dell hardware and you’ve installed Dell ...

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Show Some Line Numbers in vim (vi) in RHEL/CentOS/Scientific Linux

Alright check this shit out..  I’m one of those dudes who likes to have my ...

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