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Category Archives: Centos 7

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Access the Centos 7 Virtual Machine Manager Console Without Using the Root Password

Software Effect Enterprises, Inc Posted on September 4, 2017 by SEEISeptember 4, 2017

Create  a file named /etc/polkit-1/localauthority/50-local.d/50-org.libvirt-group-access.pkla and put the following lines in it [libvirt group Management Access] Identity=unix-group:libvirt Action=org.libvirt.unix.manage ResultAny=yes ResultInactive=yes ResultActive=yes Create a group name libvirt (if it does not already exist) groupadd libvirt Put each user who needs access … Continue reading →

Posted in Centos 7

Gnome 3 Tricks for Centos 7

Software Effect Enterprises, Inc Posted on April 19, 2017 by SEEIAugust 31, 2017

I started using Gnome 3 on Centos 7 because the bluetooth support was not complete in Mate. I discovered several items to make it work better. yum install gnome-shell-browser-plugin This will allow you to easily install the gnome extensions from … Continue reading →

Posted in Centos 7, Gnome 3

Change default port number for Telnet in Cenots 7

Software Effect Enterprises, Inc Posted on July 23, 2017 by SEEIJuly 23, 2017

First – install telnet on Centos 7 yum -y install telnet-server Edit the file /usr/lib/systemd/system/telnet.socket The section [Socket] has by default [Socket] ListenStream=23 Change 23 to the desired port number. Then systemctl enable telnet.socket systemctl start telnet.socket Firewalld for Telnet … Continue reading →

Posted in Centos 7 | Tagged Centos 7, telnet

Turn on numlock when logging on Centos 7

Software Effect Enterprises, Inc Posted on June 16, 2017 by SEEIJune 16, 2017

I want my numlock to be turned on when I turn on my laptop but my laptop has no option to turn on the numlock in the bios. I installed numlockx from here and installed it with the command yum install … Continue reading →

Posted in Centos 7

Installing Google Chrome on Centos 7

Software Effect Enterprises, Inc Posted on October 12, 2016 by SEEIJune 16, 2017

Centos 7 Enable yum repository by logging in as root at a bash prompt, then cut/copy/paste the following: cat << EOF > /etc/yum.repos.d/google-chrome.repo [google-chrome] name=google-chrome – $basearch baseurl=http://dl.google.com/linux/chrome/rpm/stable/$basearch enabled=1 gpgcheck=1 gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub EOF You will see the following [root@mycomputer ~]# cat … Continue reading →

Posted in Centos 6, Centos 7, Google Chrome

Mysql authentication on Apache 2.4

Software Effect Enterprises, Inc Posted on May 24, 2017 by SEEIMay 24, 2017

I discovered that mod_auth_mysql has been replaced with mod_auth_dbd on Centos 7 and Apache 2.4. The following is a quick reference to setting mod_auth_dbd up <VirtualHost 10.10.10.10:80> # tell DBD you are using mysql DBDriver mysql # how to access … Continue reading →

Posted in Apache 2.4, Centos 7

Limit access to web site with a combination of IP address and basic authentication

Software Effect Enterprises, Inc Posted on May 24, 2017 by SEEIMay 24, 2017

I have a web site that I need to limit access with a combination if username/password AND ip address running on Apache 2.4 I completed this by putting the following in a configuration file <VirtualHost mystuff.domain.com:80> <Directory  /opt/mystuff>     Options … Continue reading →

Posted in Apache, Apache 2.4, Centos, Centos 7

Remove grub2.cfg menuentry “with debugging” the right way!

Software Effect Enterprises, Inc Posted on May 20, 2017 by SEEIMay 20, 2017

You boot your Centos 7 machine, and half the entries in the list of available kernels has “with debugging” If you are not going to do kernel debugging, why have that sitting around? If you execute the following: awk -F\’ … Continue reading →

Posted in Centos 7

Generate a new UUID for ethernet interface

Software Effect Enterprises, Inc Posted on May 12, 2017 by SEEIMay 12, 2017

# uuidgen ifcfg-eth0 e62680c3-f5f5-4f06-b862-68e00e3b4506

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Posted in Centos, Centos 6, Centos 7

Disable Network Proxy Authentication Popup In XRDP

Software Effect Enterprises, Inc Posted on May 12, 2017 by SEEIMay 12, 2017

Disable Network Proxy Authentication Popup There is a specific issue that causes users to receive a popup asking for the root password after logged on. The below workaround will work for CentOS 7.x and 6.x too.   Workaround Create a … Continue reading →

Posted in Centos 6, Centos 7

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