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2010


2009


Upgrading Fedora 11 to 12 using yum

··149 words·1 min
As with the Fedora 10 to 11 upgrade, you can upgrade Fedora 11 to Fedora 12 using yum.

Automatically loading iptables rules on Debian/Ubuntu

··127 words·1 min
If you want your iptables rules automatically loaded every time your networking comes up on your Debian or Ubuntu server, you can follow these easy steps.

Changing the time zone in irssi

··94 words·1 min
I usually set the time zone on my servers to UTC, but that makes it a bit confusing for me when I use irssi.

Two great signals: SIGSTOP and SIGCONT

··278 words·2 mins
The best uses I’ve found for the SIGSTOP and SIGCONT signals are times when a process goes haywire, or when a script spawns too many processes at once.

Simple SOCKS proxy using SSH

··148 words·1 min
Sometimes we find ourselves in places where we don’t trust the network that we’re using.

Piping log files to a syslog server

··117 words·1 min
If you have a centralized syslog server, or you use Splunk for log tracking, you may find the need to get older log files into a syslog port on that server.

Upgrade Debian etch to lenny

··40 words·1 min
I’ve tested this Debian etch to lenny upgrade process a few times so far, and it seems to be working well.

Linux: Adjust storage kernel module load order

··528 words·3 mins
I set up a system at home that has two SATA controllers: one is on the motherboard (nvidia chipset), while the other is on a Silicon Image SATA card that has three eSATA ports.

2008


Simple server monitoring with xinetd

··262 words·2 mins
You can use the simple but powerful xinetd on your Linux server to monitor almost anything on the server.

Viewing documentation for your ruby gems

··46 words·1 min
I stumbled into this four line ruby script that will serve up all of the rdoc documentation for your server’s currently installed gems:

Syncing an iPhone with a new Mac without hassles

··199 words·1 min
I know I usually talk about Linux server related topics on this blog, but I’m pretty proud of what I’ve figured out this morning on my Mac.

ext3_dx_add_entry: Directory index full!

··207 words·1 min
I found a server last week that was having severe issues with disk I/O to the point where most operations were taking many minutes to complete.

Apache 2.2: internal dummy connection

··459 words·3 mins
After working with some RHEL 5 servers fairly regularly, I noticed a reduction in Apache 2.

Compress your web content for better performance

··133 words·1 min
Most web developers expend a lot of energy optimizing queries, reducing the overhead of functions, and streamlining their application’s overall flow.

Reduce disk I/O for small reads using memory

··353 words·2 mins
Many applications that are used on a standard server perform quite a few of small writes to the disk (like MySQL or Apache).

MySQL: ERROR 1040: Too many connections

··651 words·4 mins
If you run a fairly busy and/or badly configured MySQL server, you may receive something like this when attempting to connect: