Clues for the Clueless
Need to get the RSS feed from a twitter user’s status updates? No problem! Here’s how you do it. http://api.twitter.com/1/statuses/user_timeline.rss?screen_name=xxxxx replace xxxxx with the twitter username
vi has a powerful search and replace function. Let’s say you have a long list of keywords which you want to append and prepend text to. In this example, we will add bracket to the beginning and the end of each line. :%s/^/[ :%s/$/] It’s basically sed being invoked from within vi
You can invoke “adduser” command in FreeBSD in order to create new user. Adduser will prompt you for user info like name, uid, gid, shell environment and etc. But sometime we would like to create user access through Bash script. “useradd” command is the good way to do it. In Linux, using “useradd” is pretty [...]
It’s always easy to ssh login without a password with public host key authorization on any unix machine. First you’ll need to create your local public key. This is the public end of a local public / private pair that you’ll share with the remote server to identify you. ssh-keygen -t dsa (on your local [...]
I do this on just about every machine I roll out. Needed a handy place to keep the code: cd /usr/ports/databases/mysql51-server/ make install /usr/local/bin/mysql_install_db chown -R mysql /var/db/mysql/ chgrp -R mysql /var/db/mysql/ /usr/local/bin/mysqld_safe –user=mysql & /usr/local/bin/mysqladmin -uroot password somenewpassword echo ‘mysql_enable=”YES”‘ >> /etc/rc.conf
I’m currently in the process of replacing a dozen aging 1U Dell PowerEdge 1850 servers with the newer 1u Dell PowerEdge R610. Obviously the R610s are going to have more nards, but just how much? The 1850s have a much higher CPU clock speed, 15K drives. The R610s have 15K SAS drives, and have [...]