I use Bitnami for local webserver I want try this system. But I have no experience with this script, I want understand how I can install it on my localhost. The documentation describe: how I should execute this command? Someone could explain me? Answer Bitnami developer here If you have installed an AMP Stack…
sed substitute with partial string
Is it possible to replace the last 5 characters of the line with the last 4 characters of the line in sed? My filenames can be any length but the end is always predictable i.e. the part I want to substitute is always 5 characters from the end Answer Just match them separately, and omit the undesired character…
snmp – timeout when connecting master and agent
Everytime that I run a command to interact the manager(server) to the agent(client) I get ‘snmpget: Timeout’. this happens both ways both are configured to accept connection from remote hosts. I’m new to snmp. I may have forget to do something Answer SNMP protocol uses specific ports (161 &a…
Linux and Hadoop : Mounting a disk and increasing the cluster capacity [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
running bash piped comand from mono linux
I am trying to run bash command with pipe using mono process start here is code snippet I am trying single commands works, however pipe commands fails to run, what am I missing here ? I tried running “ps -aux” which runs fine. However ps -aux | grep gnome command failed. I tried these scenarios sc…
Running Java from terminal : cannot find text files
I am using Java in Eclipse for file manipulation like editing, searching, etc. For instance I have two text files. One is “sales.txt” and the other is “employees.txt”. The user is supposed to input a beginning date and ending date as arguments. Then the program finds the dates that mat…
Nested grep with SSH
I have a following Shell command which runs successfully: However, I have to SSH to a particular machine to run this. To avoid this, I modified it in following way which leads to the failure: What is wrong with this command? How can I fix this? Answer Embed your code in a quoted heredoc to avoid needing to mo…
Unix pipe experiment hangs
The problem is that this program won’t output the expected START and END, also not exiting unless I kill it from shell. Answer You have the order of the dup2( existing_fd, new_fd ) parameters reversed. You have another bug that breaks lots of “let’s try out pipe(2)” experiments. You ar…
Where should I _append Yocto bitbake task to create work folder symlink?
Let’s say I have my package at I would like to have symlink created each time the new version is fetched and unpacked. How can I achieve that ? Which class, task should I append, extend ? Optionally, I would like to have that for all packages or at least packages in my meta. Answer A new task that comes
Can’t use multiplication in arithmetic expression
The above is the content of calculate.sh. If I use +, -, or /, I get the correct answer, but when I use *, it reports an error： How can I resolve this problem? Answer The problem was as pointed by others the fact than the character * is interpreted by your shell, be it in your terminal or your