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Category Archives: Enterprise Linux
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
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
Oracle vs. Centos
As a lot of people have noticed Oracle is offering a “conversion” script to move from Centos to Oracle Linux. Of course it is not really a conversion, it only moves the yum repos from Centos to Oracle. The existing … Continue reading
new packages for my default install
In the last couple of week I added 3 new packages to my default install: 1.) atop is a very good extension of top, it includes disk and network utilization among other things. 2.) mosh is a ssh replacement / … Continue reading
yum behind proxy gets “No more mirrors to try”
Have you ever had the problem with “No more mirrors to try” when behind a caching proxy? Especially with rpmfusion? You tried yum clean all, and still you are not able to download the xml or sqlite db? To fix … Continue reading
Oracle Linux UEK broken
Hi, after my post Centos vs. ScientificLinux which included Oracle Linux, I played around with OL6. The default kernel running is the “Unbreakable Enterprise Kernel” (UEK). This kernel is based on 2.6.39 and is currently the only Linux kernel that is … Continue reading
Centos vs. ScientificLinux
I’ve been asked by a lot of people why I switched from Centos to ScientificLinux. My feeling was that ScientificLinux delivers security updates faster and more reliably, but feeling is not a good adviser when it comes to security. So … Continue reading
Find deleted files that are still in use
When you disc is full and you delete stuff and the disc is still full, have a look at delete files that are still used by a process. Use the command lsof +L1 for this.