Install VNC-Server on CentOS 7

First, i logged into my server as root, to make things a little easier. I would recommend doing the same thing to help speed up the processes. After I logged into the system, I installed VNC-server.  yum install tigervnc-server Once all the packages were installed, go ahead and run an update. yum -y update && […]

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Enable noop IO scheduler

Noop Scheduler, for those of you who don’t know, is the simplest I/O scheduler for Linux. NOOP scheduler inserts all incoming I/O requests into a simple FIFO queue and implements request merging. In other words, the scheduler assumes that the host is unaware of how to productively re-order requests. There for, noop handles all IO scheduling. Lets enable enable noop. […]

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Slow SSH Login | UseDNS=no

Problem: When SSH’ing into a server, connection, and login take a long time. Connect to a server Attempt to log in, and wait to see how long the connection takes. 10+ seconds is too long and should be investigated. Wait for the password prompt and then proceed to  cat /etc/ssh/sshd_config | less use vi to […]

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Sending logs to a syslog server

If you are running a linux server, go ahead and install rsyslog. yum install rsyslog You will need to edit the rsyslog config file. vi /etc/rsyslog.conf Add the following line. # ### begin forwarding rule ### # The statement between the begin … end define a SINGLE forwarding # rule. They belong together, do NOT […]

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Building a Syslog Server

Go ahead and deploy your server, if you havent yet take a moment to do so. Installing rsyslog: yum install rsyslog After the files have been installed, edit /etc/rsyslog.conf vi /etc/rsyslog.conf Once in, you’ll need to uncomment the following two lines $ModLoad imudp $UDPServer Run 514 $ModLoad imtcp $InputTCPServerRun 514 Save the file and close […]

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HTOP Commands

HTOP Top Left Box: Displays, in real time, graph of your hardware resources. Top Right Box: Displays the Tasks, average load, and the uptime Bottom Box:  Displays the processes ID, , the user account, how many resources it is consuming (CPU/MEM), how long its been running and where it can be located. PID: The process […]

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