Category: Tech Blogs

Find Which SSL/TLS Versions and Ciphers Are Supported For A Host

Hey folks, check out one of these if you want to see what ciphers are ...

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Setup Database Master/Master Replication on MySQL Server

Starting on DB01 cat /etc/my.cnf log-bin=mysql-bin server-id=1 replicate-wild-do-table=replicateddb.% replicate-ignore-db=test err-log=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid Restart the ...

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Metadata file does not match checksum CentOS/RHEL/ScientificLinux

Greetings Traveler, I get various errors sometimes when running updates or installing a new package ...

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Fix CVE-2014-3566 on multiple Apache web servers with Perl

What if you have a bunch of configuration files to update in order to fix ...

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Install mod_security in Apache httpd for CentOS/RHEL/Scientific Linux

mod_security is an Apache plugin which is a good way to prevent malicious attacks on ...

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How To Install The EPEL Repo on CentOS/RHEL/Scientific Linux 7, 6 and 5

CentOS 7: vmhacks.com]# wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm vmhacks.com]# rpm -Uvh epel-release-7*.rpm CentOS 6: vmhacks.com]# wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm vmhacks.com]# ...

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Whitelist an IP using denyhosts in CentOS 6 RHEL 6

Hi there, Add your IP to this file and restart if you want to whitelist ...

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Run a Command on Multiple Systems at once using Bash – CentOS/RHEL

Hey there friends, So there are tons of different methods out there for managing multiple ...

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Use rsync over ssh CentOS RHEL Scientific Linux Bash

Make sure you have rsync installed on both servers and then you can use it ...

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