I have this function to show me the 1st ip of a domain: But this only shows me the first ip. I’d like to show only the ip’s. The marker is for not having “has address” as shown below (imagine I input “reddit.com”: I want to show only the ips, not reddit.com has addressnor o…
My newly compiled kernel loses Networking in qemu
I compiled a kernel from source : make defconfig make kvmconfig make -j 4 After this , i use the resulting bzImage for my qemu command: qemu-system-x86_64 -hda debian.img -kernel bzImage -append “root=/dev/sda console=ttyS0” -nographic -m 4096 -smp 2 –enable-kvm -net user,hostfwd=tcp::10021-…
How to read stale values on x86
My goal is to read in stale and outdated values of memory without cache-coherence. I have attempted to use prefetchnta to perform a non-temporal load, but it failed to fetch outdated values. I am looking into performing some kind of Streaming Memory-to-Memory Direct-Memory-Access, but am having a little troub…
`dotnet new command` in openSuse causes `No usable version of the libssl was found` error
I’m trying to develop .NET Core in openSuse. I did install the SDK and everything in tutorials. Now, when I try to run dotnet new console command, I get this error: No usable version of the libssl was found Aborted (core dumped) I found this answer: (.NET Core 2.1 SDK Linux x64 No usable version of the …
Can’t read stdout output of external commands after deamonizing Python script
I wrote a RPC server foo in Python that I deamonized with Everything works fine except that every use of subprocess.check_call(some_cmd) or os.popen(some_cmd).read(1048576) in my daemon returns an empty string compared to the case when I start foo in the foreground. The external program some_cmd is still exec…
How many maximum shared memory keys can be created using ftok() in linux?
I am creating share memory keys using ftok(). I want to create 500 share memory keys.As per man page of ftok() it is mentioned that low order 8 bits are significant. Does it mean that we can only generate 256 maximum share memory keys? If yes, Then how to generate more than 256 keys? Because in argument ftok(…
401 SPNEGO SSO with Linux client
I can’t manage to configure my Ubuntu VM to single sign-on on my Spring Security web application under Spnego. Did I do anything wrong or am I missing something? I already got to SSO on a Windows 7 VM, so I believe it’s Linux specific. My configuration is detailed below. Infra I have four machines…
Team City “minimal build agent” Docker image – “npm: not found” Linux issue?
First of all, I think this is more of a Linux issue as the problem seems to be on a linux-flavoured Docker container, but I’m happy to accept that I can do something to the team city config to overcome this. I’m also not very experienced with Linux, Docker or node/npm, though I do have a lot of de…
Fetch latest matching string value
I have a file which contains two values for initial… keyword. I want to grab the latest date for matching initial… string. After getting the date I also need to format the date by replacing / with – In the above example, my output should be 2018-02-05. Here, I am fetching the line which cont…
sed pattern matching between lines
I am trying to write a sed script to only output the lines of a file if the line has the /pattern/ and is between line x and line y. I have the following: select.sed: If my text.file is the the following: The desired output would be How would I set a range for lines 2-4 and only print values