Do you have problems or questions about concurrent request processing? Do you want to know:
How and when to run CP Diagnostics?
What are the latest Hot Topics being looked at for Concurrent Processing?
All about the Concurrent Process Analyzer self-service Health-Check script?
Go to the EBS Concurrent Processing…
After imaging a 100GB hard drive into an image file with dd, I dd'd the image to a larger hdd
After boot get mkrootdev: label / not found
I have gone in with finnix and relabeled the partition to the same label with e2label and still have problems.
Has anyone resolved this before?
I have a BTRFS filesystem with a set of subvolumes in it. So far so good. I need to change the name of a subvolume, unfortunately the btrfs program does not allow me to rename a subvolume. Searching with Google has yielded some results, one said I can just mv, the other said I can just snapshot to a new name and delete the old subvolume.…
I have sendmail installed on Ubuntu 10.04 solely for the use of the php mail() function. This works fine unless iptables is running (I've been using sendmail myemailaddress@domain.com to test this).
I think that I have allowed SMTP and DNS (the script I am using to test iptables rules is below, in my version are the actual IPs of my…
What are the differences of the RHEL 6 kernel and the latest kernel.org one? I know RHEL is based on 2.6.32 with some features backported from newer kernels and that it also has other features that are not yet part of the latest vanilla kernel. Is there any comparison of the features of both kernels so I can tell how advanced is the…
I am using Postgresql 9.0 with Streaming replication. So, during switchover I follow these steps:-
Get the server timestamp on primary.
Get the current log position on primary.
Set Verify Log location
Verify Transaction Received Location
Shutdown DB on production.
…
When initializing the db with tripwire --init it spat out a bunch of errors pertaining to /proc:
### Warning: File system error.
### Filename: /proc/16982/fd/4
### No such file or directory
### Continuing...
### Warning: File system error.
### Filename: /proc/16982/fdinfo/4
### No such file or directory
### Continuing...
###…
Piwigo gallery, on apache and php, CentOS 6.
The root system is a RAID 128GB. /var/www/html is on the root file system.
Mounted the 320GB hdd to /var/www/html/320 using defaults, it's an ext4 fs.
Put a symlink to it in /var/www/html/galleries which is read by the gallery script so I can upload images to there, then click…
I had setup a Samba 3 server as PDC with a passdb LDAP backend.
Server SID: S-1-5-21-3270... Domain: A
Every user has a SambaSID beginning with this Server SID. But now I try to setup a second server for some shares. This server should use the same LDAP backend because I don't want to have two LDAP backends. Otherwise I…
Some of my images have been taken rotated but kept this data. The problem is that, when using mogrify to convert them from JPG to png, that data seems to dissapear. For showing this problem, I think the best is to show the script and an screenshot.
Script with the code. Put it in a text file, give it execution…
I am using Nginx as a proxy to 4 apache instances. My problem is that SSL negotiation takes a lot of time (600 ms). See this as an example: http://www.webpagetest.org/result/101020_8JXS/1/details/
Here is my Nginx Conf:
user www-data;
worker_processes 4;
events {
worker_connections 2048;
use epoll;…
I have set up an alias in /etc/mail/aliases like this:
user: xxxx@gmail.com
This relay DOES work when I telnet to example.com 25 and send mail to user@example.com (where example.com is my domain); it indeed turns up in xxxx@gmail.com inbox.
Also mail sent from my server at example.com is generally…
I'm working on setting up a pair of CentOS 6.3 servers that will run a couple of KVM vms and have come across a problem setting up a bridge on a bond.
I am using Mode 4 (802.3ad) bonding on a pair of stacked Dell Powerconnect 5524 switches connecting to R320 servers. There are 2 links (1 to each…
I have thousands of files with no specific extensions. What I need to do is to search for a sting in filename and replace with other string and further search for second string and replace with any other string and so on. I.e.: I have multiple strings to replace with other multiple strings. It may…
Hi, I tried to format my harddisk (160 GB) with the following command
dd if=/dev/zero of=/dev/sda
After some 3 hours, following error came up:
dd: writing to '/dev/sda' : No space left on device
312581809+0 records in
312581808+0 records out
160041885696 bytes (160 GB) copied,…
I am moving to a new laptop with Ubuntu Lucid from an old laptop that has Ubuntu Karmic.
I want to look at the list of all the packages and selectively install them all on the new laptop.
What is the best method to go about it.
Thanks in advance.
an hour ago I had a working gnome-desktop on my debian system (thinkpad x121e).
Then I installed compiz that crashed.
After a reboot the gnome-desktop no longer started.
Then I did some upgrades with aptitude, all gnome-packages seem to be there, but it is still not working.
On startup…
Let's say I have 3 different servers, each one with an infiniband card. Each card has 2 different ports. (I don't know about the model yet)
Is it possible to create 3 different networks and to allow the 3 servers to communicate with each other without any problems? (and any spof).
I…
Hi ,
this is my ls -all, the zfapi folder have the root right , how can i change this to www-data.
Also Please advise what is the first root and secont root is ?
Thanks
drwxr-xr-x 4 www-data www-data 4096 2011-01-06 18:21 cdnapi
-rw-r--r-- 1 www-data www-data 678 2010-08-30…
This self-paced course teaches you best practices when using Oracle
Enterprise Manager Cloud Control 12c for managing your WebLogic and SOA
applications and infrastructure. It consists of interactive lectures,
videos, review sessions, and optional demonstrations.
This course …
I am always looking for good books on security, compliance and of course, PCI. Here is one I think you will find very useful. "PCI Compliance, Third Edition: Understand and Implement Effective PCI Data Security Standard Compliance" by Branden Williams and Anton Chuvakin.…
I'm working on a laptop with a modest hard drive, and 500MB is taken up with Google Chrome "History Index" and "Thumbnails" files. Some of these files are a year old. Chrome offers me the option to remove recent history, but I want the opposite: I want to remove old history.…
Introduction
The previous post gave an introduction to custom property locators and showed how create one using JDeveloper. This post continues on the custom locator theme, with a slightly more complex locator: a library of books. It demonstrates using the DAO…