This error can happen if an ISO in the DVD Drive is not available any more. In XenCenter, eject the ISO from the drive to resolve the issue.
Install semanage on CentOS 7
semanage is part of the policycoreutils-python package, as is seen when you run “yum provides semanage”. So you need to install the package to get the semanage functionality.
yum install policycoreutils-python
You should be good to go.
Install Ravencoin Wallet on Fedora
These instructions are for installing the Ravencoin wallet on Fedeora, but the instructions should work for CentOS, and be similar for Debian/Ubuntu Distros.
The Linux readme can be found here.
Install dependencies
sudo dnf -y install zeromq libevent boost libdb4 miniupnpc libdb4-cxx protobuf-lite-devel
Download the binaries. Manually here or with wget. Latest files should be on their github https://github.com/RavenProject/Ravencoin/releases/latest
wget http://www.incredigeek.com/home/downloads/Ravencoin/fedora27-x86_64.tar.gz
Note if you don’t have wget installed, you can install it by running
sudo dnf install -y wget
Unzip the downloaded files
tar zxvf fedora27-x86_64.tar.gz
Change to the new directory
cd fedora
Launch the Raven Wallet GUI
./raven-qt
Bash copy multiple files from subdirectories
This command searches the directories in the current directory and copies the text files into the TEXT directory.
for i in ./* ; do cp "${i}"/*.txt ./TEXT ; done
How To install Discord on Fedora
Enable copr repo.
sudo dnf copr enable tcg/discord
Install discord.
sudo dnf install discord -y
Launch Discord and sign in.
Setup Android SDK with Unity
Download and install Android Studio from here
Open up Unity and go to Edit -> Preferences
In the Unity Preferences go to External Tools and under the Android heading under SDK click browse
Locate your Android SDK folder and select folder. The SDK folder should be located under “C:\Users\User\AppData\Local\Android\Sdk”. You can check where the Android SDK Location is in Android Studio under Configure -> SDK Manager.
Your preferences should look something like this.
SNMPv3 snmpwalk
Where AuthPass is your SNMPv3 Authorization password and CryptoPass is your SNMPv3 Encryption password.
snmpwalk -v3 -a MD5 -A AuthPass -x DES -X CryptoPass -l authPriv -u privUser localhost
If your not using encryption you should be able to drop the “-x des” and “-X CryptoPass” option, and change the “-l” option “authPriv” to “authNoPriv”
Modifying DNS Entry for Domain
Search /etc/named.conf to find the zone file for the domain.
Find the domain name and see where the zone file is. Example zone block.
zone "incredigeek.com" in { type master; file "/var/named/mzones/incredigeek.com.hosts"; allow-query { any; }; forwarders {}; };
The file is /var/named/mzones/incredigeek.com.hosts
Edit your zone file by opening it up in a text editor.
Example. Text in bold added for comments.
$TTL 21600 $ORIGIN com. incredigeek IN SOA dns1.dns-server.com. dns2.dns-server.com.( 0000147 ; serial <- This needs to be incremented so it is greater than the previous version of this file 43200 ; refresh (12 hours) 7200 ; retry (2 hours) 604800 ; expire (7 days) 21600 ) ; minimum NS dns1.dns-server.com. NS dns2.dns-server.com. 300 A 10.0.0.11 <- A record for root domain $ORIGIN incredigeek.com. localhost IN A 127.0.0.1 www 300 IN A 10.0.0.11 <- www subdomain A record login 300 IN A 10.0.0.12 <- another subdomain A record
Save file and reload Bind
On FreeBSD
rndc reload incredigeek.com
you can reload everything with
rndc reload
On Fedora/CentOS/REHL
service named reload
On Ubuntu/Debian
service bind9 restart
You may need to reload Bind on any slave servers
Add local DNS entry in Windows
Windows has a similar file like the Linux /etc/hosts file. It is located in
Windows\System32\drivers\etc\hosts
You’ll need to have administrator privileges to modify the file. So you can launch notepad as Administrator then open the file. If you don’t see the file make sure the drop down across from “File name:” is set to “All Files”.
You can add entry’s just like you would on Linux
192.168.22.12 hostname
How to install Broadcom WiFi drivers in Fedora 27
Install RPM Fusion
sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
Install packages
sudo dnf install -y kernel-devel-$(uname -r) sudo dnf install -y akmodssudo dnf install -y broadcom-wl
Give the computer a reboot and the Broadcom card should now work.