Tag Archives: CentOS

CentOS 6U8 and wget+proxy configuration and EPEL repository

How to set up a proxy server, so you do not have to do a export command for wget : In file /etc/wgetrc put the following (at the end of it, it is all # anyways) : https_proxy = http://10.10.10.94:80/ … Continue reading

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What to use in place of MS Viso, on CentOS6?

I am looking up something to use on CentOS, in place of MS Visio. Here are a few possibilities : yEd Graph (link) It exists for multiple OSs. Java based. Easy to install using scripts. Automatically places a icon under … Continue reading

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Zabbix 2.2 agent on CentOS 6

Zabbix agent is deployed on a monitoring target to actively monitor local resources and applications (hard drives, memory, processor statistics etc). The agent gathers operational information locally and reports data to Zabbix server for further processing. Zabbix agent enables to … Continue reading

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Printing on CentOS 6 workstation

If you need to set up a new printer on your CentOS 6U4/64, you need to go to System/Printing. Nice and all, but what if that does not exist? What if I do not have “Printing” under “System”? That means … Continue reading

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VPN server on CentOS 6U4

VPN = Virtual Private Network, and is used to log securely into your private network. A general explanation can be found here. All the options that you have : IPSec – is supported by Red Hat, is one of the … Continue reading

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CentOS 6U4 and Nagios+Nagios-plugins

How to set up Nagios 4.0.2 on CentOS 6U4 server. A necessary starup : Apache PHP GCC compiler GD development libraries And all of this is installed like this : # yum install httpd php # yum install gcc glibc … Continue reading

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How to view system state on CentOS 6

Excellent link. There is only one problem with these commands, most of them do not exist on CentOS 6 (per default), and must be installed, but not by using yum command. I have given here only the tamer ones (that … Continue reading

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CentOS 6U4 and what all is missing from the d efault installation

So, if you are doing a out-of-the-box CentOS installation (which is minimal), a whole lot of commands and functions will not be included : mc (Midnight Commander), host query, dig query, nslookup query, vim, telnet command, man pages….. Which packages … Continue reading

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MySAR on CentOS 6U4

Necessary starting conditions : up and running MySQL server, and : mysql, php-mysql, libdbi-dbd-mysql, mod_auth_mysql, mysql-connector-odbc, mysql-libs, mysql-server Where you can get MySAR odavde, untar it directly on server, in some appropriate folder. Newly formed folder copy to /var/www (this … Continue reading

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LVOL extend on CenOS 6U4

How to extend root (/) partition on a virtualized CentOS 6U4 server, who has LVM. 1. Note the existing state # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_server80-lv_root 45G 2.3G 41G 6% / tmpfs 939M 72K 939M … Continue reading

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