my favourite top color scheme and command options. Top is an historic monitoring tool to get a fast overview of a running Linux system. It is especially useful when you're at limited linux consoles and terminals (i.e.: busybox and the like). By default it doesn't look so great, but there's always fast ways to customize it and use it fruitfully. Custom top Color… Read More
[SOLVED] rm: too many arguments. How to successfully delete a really high file number without incurring into the "Argument list too long" error.… Read More
My fav ps options. Some of my favourite ps options. ps fauxe Gives you a complete list of all your running processes, complete of path, PID & UID. You may wish to remove some options like u (u stands for user - just type "faxe" or "fax" (very easy to remember indeed!)). Useful in conjunction with the watch command… Read More
preventing central_filter from putting your user's mail into /dev/null. How to prevent central filter from cpanel exim to ignore the email.… Read More
Switch from Ubuntu LTS to Ubuntu standard. Would you like to upgrade from Ubuntu LTS to Ubuntu standard release? The below command will do the trick: vi /etc/update-manager/release-upgrades # default behavior for the release upgrader # [DEFAULT] # default prompting behavior, valid options: # never - never prompt for a new distribution version # normal - prompt if a new version of the distribution… Read More
Add RAID 1 to your pre-existing Ubuntu, originally installed on a single hdd pt.2 - Hands-On. Hands-on article on how to add RAID 1 with mdadm to a pre-existing Ubuntu, originally installed on a single hdd.… Read More
Add RAID 1 to your pre-existing Ubuntu, originally installed on a single hdd pt.1 - Intro Have you ever installed Ubuntu Server onto a physical machine with a single HDD then, after some testing, you finally created your “perfect workingTM setup”? If that is the case, then you'd be afraid to lose all your (hard earned) work and experiments by an HDD failure, right? Well, I haven't reached my “perfect workingTM… Read More
freenx server without sshd password authentication. I think the best method to securely access remote X sessions is with the NX Protocol. It does delegate the auth to the good 'ol openssh server, then wraps all up and sends back-and-forth graphics goodness between two proxy hosts. My scenario is the following: 1) a windows xp rig. 2) an ubuntu lan host with… Read More
Disable iptables from CentOS. Useful article on how to (not) disable iptables from CentOS.… Read More
keeping eth0 as ETH0. Intro. Sometimes the easiness to add/remove hardware components with virtualization brings plenty of confusion with Linux ethX interfaces. Someday, I removed a network interface from a VM, then I added another I/F and what happened was that my new I/F got the "eth1" name tag (instead of the expected eth0). The Easy solution. To prevent… Read More