Question Category: Systems Management

top memory output doesn't really make sense

I log into a server that we run jobs on at my company and type top and this is what i see Tasks: 291 total, 1 running, 290 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.8%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 32855928k total, 25785840k used, 7070088k free,...
Read 0 Comments

A cloned VM Server image is spinned ( i.e. started ) and now how to write Unix shell script so that it runs with proper configuration on destination Server ?

A copy of VM Server image is created using VMWare Admin Tool. Now, any assistance what are all configuration changes required so that when the VM Server is started it runs properly ? I have a list of configuration files that needs hostname and IP address changes.
Read 0 Comments

How do I convince someone that no one is secretly breaking into his Linux pc after he sees files associated with other pc's on his system?

I have a network with several different hosts: windows laptop, network connected TiVo's, smart plugs, etc. My roommate got an Ubuntu laptop last year and had never used a Linux o/s before. Now that he's been studying he thinks he's an expert and is constantly convinced that someone...
Read 0 Comments

Hello All. I have two Questions.How can we update RedHat 7 using chef tool? Is there any command to bifurcate updates into different braches.

I have two  Question. 1.How can we update redhat 7 using chef tool? 2.Is there any command to bifurcate updates into different braches.I used one command  yum updateinfo summary which gave me follwoing output. [root@ip-10-0-0-43 chef]# yum updateinfo summary Loaded plugins: amazon-id, rhui-lb,...
Read 0 Comments

How does an application decide which of its widgets was clicked?

when the operating system send the signal that mouse button was clicked,how does an application know on which widget the user was pointing? Does it store the coordinates of the widgets and then compare it with the location of mouse pointer at the time of an event? If so then wouldn't it have...
Read 0 Comments

How do I mark certain VMA's for copy-on-write from kernel code (maybe inside a system call)?

I want to mark some of the VMAs created using mmap with MAP_SHARED or MAP_PRIVATE flags for copy-on-write using a new system call that I implemented. Is it possible to do so?
Read 0 Comments

Linux Mint 17.1 Mate Cannot update or upgrade in terminal or Manager?

When I try to update, upgrade using the update manager I get a series of warnings and errors. I get the same when go through the terminal with apt-get. Below is list from the terminal: W: Failed to fetch http://packages.linuxmint.com/dists/rebecca/InRelease W: Failed to fetch http://extra.linuxmint...
Read 0 Comments

Pages