Docker, what does it do actually?
I have watched a couple of scary confusing presentations https://www.youtube.com/watch?feature=player_detailpage&v=Av2Umb6nELU and https://www.youtube.com/watch?v=Q5POuMHxW-0 without being able to...
View ArticleInstalling Weblogic 11.1.6 with Java 7 in a few seconds
(maybe the few seconds is an overstatement....) With the Biemond way (thank you Biemond you are a God): install git and vagrant Download jdk-7u55-linux-x64.tar.gz from...
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Mac install Windows USB drive NTFS in read write mode
This is probably one of the first things you have to learn about Mac.... it took me one month of Mac usage to actually figure it out....
View ArticleVM to VM communication in VirtualBox (Linux)
(amazing how many examples on youtube are done with Weirdos... few of them use Linux...) The official documentation says: https://www.virtualbox.org/manual/ch06.html"NAT: by default virtual machines...
View ArticleGiving up on Oracle VM Template Builder
It looks that it can be used only with a JeOS image (I am not sure you can easily add an image to those supplied OOTB (EL53 is the latest.... a bit oldish...)... but if you want to use a OS like RHEL...
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Skype's epic failures
I was struggling on a Mac to get connected to Skype.... Internet is working fine, but every time I try to set my status to "online", it goes back to "offline" without an error message. Finally I had to...
View ArticleInstalling Oracle Linux 7 on Oracle VM server
Installation instructions here: https://docs.oracle.com/cd/E52668_01/E54695/E54695.pdfDownload the ISOs here https://edelivery.oracle.com/linux (choose the "Oracle Linux 7 Media Pack for x86 64 bit")...
View ArticleInstalling Solaris 11 on VM Server
https://blogs.oracle.com/souvik/entry/my_unqualified_host_name_sleeping read this first the only caveat is: PROVIDE A FQDN with your hostname (default: solaris .... just make it solaris.mydomain.com !)...
View ArticleGood old ifconfig utility gone in Linux 7
I knew that ifconfig was deprecated in favor of ip, but it was quite a shock: good old /sbin/ifconfig utility is no longer there AT ALL.... I guess all those old shell scripts relying on it will have...
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When Truth is called Disinformation, we are in Orwell's 1984
http://www.euractiv.com/sections/global-europe/eu-sets-communication-team-counter-russian-propaganda-312837 If I were not living in Switzerland - which is outside EU - I would apply immediately for a...
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Escape from Mac-atraz
In recent years I always felt an Inferior for using a Windows-based laptop vis a vis most of my VERY-PROFESSIONAL colleagues using a Mac. I felt like an old Indian Chief trapped in a cage for display...
View ArticlestartWeblogic.sh : The JRE was not found in directory ....
After installing WLS and creating a new domain, I do: cd /opt/oracle/wlsdomains/domains/mydomain./startWebLogic.sh and I get the stinky dreaded message: The JRE was not found in directory /usr/java/....
View Articlenetstat command not found in RHEL 7
Ok just another moronic decision to deprecated a widely used utility from new 7 distributions. Here an amusing attempt to justify it (I guess those guys would justify even Torture, Death Sentence and...
View ArticleServerSocket: listening on a port in 2 seconds
import java.net.InetAddress;import java.net.ServerSocket;public class SS { public static void main(String[] args) throws Throwable { InetAddress inet = InetAddress.getByName("192.168.6.110");...
View Articlejava.net.preferIPv4Stack : IPV4 versus IPV6
See the whole documentation here https://docs.oracle.com/javase/7/docs/api/java/net/doc-files/net-properties.html If you have a process listening on a Socket which is IPv6- enabled, you should see this...
View ArticleRHEL7 firewalld caveat
Beware that in RHEL7, iptables is no longer there, and by default you get another root daemon process running a firewall: /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid Here it is explained...
View ArticleWLST difference between offline and online
I have a WLST script written for ONLINE use, and I want to convert it into an OFFLINE script... It's mostly a philosophical issue, I believe it's awkward to CONFIGURE a domain while the domain's ADMIN...
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Red Hat: cannot register with any organizations
on RHEL 7.0 I keep getting the same error when I try to update a little my packages: [root@wltemplate ~]# yum install telnet Failed to set locale, defaulting to CLoaded plugins: product-id,...
View Articletmux
I hear good things about tmux. I want to try it on CentOS 6.6. sudo yum install tmux No package tmux available Bummer. Let's install it manually : Login as root mkdir /tmp/tmuxinstallcd...
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Free like a mountain dog
One of the happiest lives of all is the life of a mountain dog. They are the freest creatures, they wander in the wilderness in search of new adventures and exploring new territories, and normally...
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