I use following code convert text to image what is x, y means in text x, y ‘string’? Answer Method 1 label: You can either use label: which provides a canvas large enough to hold your text – notice I didn’t provide a canvas size: Method 2 -annotate Or, you can use -annotate to write on…
Does Linux system load account for throttling of the Completely Fair Scheduler?
On Linux, system load is defined as the exponentially decaying average of num runnable processes + num uninterruptable processes. I am wondering if it will correctly account for CFS cgroup quota used to limit the number of cpu shares a group of processes may use in a given interval. In other word: If a proces…
What parts of this HelloWorld assembly code are essential if I were to write the program in assembly?
I have this short hello world program: I compiled it into the following assembly code with gcc: My question is: are all parts of this code essential if I were to write this program in assembly (instead of writing it in C and then compiling to assembly)? I understand the assembly instructions but there are cer…
Ada program works in Linux but not in GPS Windows 10
Thanks in advance for any help. I am currently doing some beginner work on ada programming and I have installed GNAT Programming Studio (GPS) from http://libre.adacore.com/download/configurations# I have Windows 10 64-bits. I was given the following code at school: I opened the file in GPS, built it (no error…
Private Docker registry error
I am new to docker and trying to push some images to docker registry which I made using self signed certificates. docker push But it gives following error: The push refers to a repository cannot validate certificate for If I use Domain in place of IP-Address, docker push it shows error: The push refers to a r…
Instead of Glances, I installed openstack-glance by mistake
First of all, I know nothing about openstack, keystone, glance … But, I made a mistake when I install Glances in my Debian server. I tried to install glances following this link I have done this : In fact, Instead of glances, it suggested to me to install openstack – glance. I haven’t seen c…
On sshd server how can I see what connection what cipher is using?
I’m administrating a ssh server, serving multiple users. Some asked to be available to use a cipher “arcfour”, so I enabled it. But I am now trying to actually see which connection and user is using it. Is there a way to list the connections with the information about the cipher used in each…
maven-compiler-plugin broken on linux?
I have a maven project. In the pom.xml file the following is stated: AFAIK this is correct, it should build against JDK 7. I run a Debian based Linux dist and when I do mvn clean install it seems to always build against the javac version I have set in my os. I’ve tried reading up on what the plugin
How can I fix JVM locale issues on our CentOS server?
We’re running multiple servers and a database on our cloud server. The JVM appears to be off by 2 hours, as it’s operating in UTC time when it should be operating in CEST. When I ssh into the server and run date I get the following: Our Database is set to System time and it has the same (correct) …
Rename generated files in Makefile
I have to modify a Makefile such that the intermediate files with extension .cc are moved to .cpp before building the .o. files. My modified Makefile looks like below. protoc is a compiler that generates .cc files. How to make targets so that after generating the .cc files those are move to .cpp and then the …