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Category Archives: Enterprise Linux
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.
sort -h
A friend just showed me this cool new option for sort. You now can sort with -h, which works great with du -h. du -hs * | sort -h Available since RHEL6 and current Fedora. Sorry no RHEL5.
Weekly Series: Tools you need to know
I wanted to write a weekly series for years. A series of all the cool tools that I show to people very often and allways create a jaw drop. Thanks to Michael for asking the question that reminded me of … Continue reading