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Category Archives: Linux
Thank you Seth Vidal, my first ansible playbook
I was shocked when I heard about Seth Vidal’s death. Of course I use yum daily, but it brought tears to my eyes, when I was reading my “my TODO List after a install” and realized that Seth was one … Continue reading
my TODO List after a install
I had to reinstall a couple of machines recently and I had to do the same thing more then once. So I wrote a script,and for my own future self I post it here, as reference. sed -e ‘s:ONBOOT=no:ONBOOT=yes:’ -i … Continue reading
Be carefull when updating from RHEL6.1 to RHEL6.4
If you have a RHEL6.1 and try to update to RHEL6.4, you will get some strange errors, about missing libraries. The reason is that ldconfig will not run anymore, because /etc/ld.so.conf.d/kernel-2.6.32-* sepcifies hwcap 0 till RHEL6.1 and RHEL 6.2 and … Continue reading
Posted in Enterprise Linux, Fedora, Linux
Tagged Fedora-Planet
Comments Off on Be carefull when updating from RHEL6.1 to RHEL6.4
Memorymangement is harder than it is known.
After I thought I understood memory manager after all, this comes along. I have a behavior I can’t understand or explain. Let’s see if anyone can solve the puzzle. You have a machine, lets say with 8GB Ram. You only … Continue reading
RHEL6.4 and NX
Be careful if you update to RHEL6.4 and you are using NX. RHEL6.4 removes the keymap.dir and this breaks NX at the moment. To fix this, simply do a touch /usr/share/X11/xkb/keymap.dir. It looks like that RedHat will not fix this, … Continue reading
Todo after a Fedora upgrade
Even with the new fedup tool to upgrade. There are a couple of commands I use always after an upgrade. I suggest you use them too: yum distro-sync package-cleanup –problems package-cleanup –orphans rpmconf -a -fvimdiff rpmorphan Helps to keep your … Continue reading
ArgoEclipse is dead and broken
If you are using ArgoUML and thought “Hey, its written with Eclipse, lets try using it inside Eclipse”. I’m pretty sure you search found ArogEclipse. Please be aware this project looks very dead. I tried to open an perfectly good … Continue reading
Two enterprise Linux boxes are talking to each other, or not
I setup a RedHat Enterprise Box that should serve as a httpd server for a Suse Enterprise Server zypper repository and it don’t work. Simple curl also don’t work. If you use curl -1 or curl -3 it works like … Continue reading
Enterprise Software
I have seen a lot of broken and bad RPM packages. From vmware packages that contains one big tarfile and the rpm-postscript uncompressed this into a directory. To test scripts from Oracle DB 11.2 that does not detect the 32bit … Continue reading
That happens if you put to much output on your serial console
We searched for multiple days why one of our cluster machines was hanging for a couple of seconds, before it was fenced. We found out that the iptables LOG did put to much output onto the serial. I wrote a … Continue reading