How to run a program in a new PID namespace? All tutorials on the internet show writing some custom C code in order to do it. Is there a command instead for that? Answer Try the unshare program. Note that due to the way pid namespacing works you need to tell unshare to fork too. … Read more
This question already has an answer here: Amazon AWS cant resolve domain name [closed] (1 answer) Closed 4 years ago. I am a bit new to the servers. I still want to ask one question, and yes I know its a noob question but still… So I bought one domain from amazon AWS. The domain … Read more
Currently I have a problem with my understanding of public mailboxes with dovecot. What is currently running is postfix together with dovecot (also with dovecot’s sasl). Whenever an e-mail reaches my server, one or more userdb-lookups (against my ldap) are done and if the destination address exists, the mailbox is created (location depending on the … Read more
I have two name spaces red and blue. Red is connected to host1, and blue is connected to host2, but these two hosts cannot ping each other. Here is the commands that I put: ip link add host1 type veth peer name virt1 ip link add host2 type veth peer name virt2 ip netns add … Read more
I noticed that there are some cloud providers that offer a managed solution for kubernetes, I’m wondering what are the various components involved in this offering. My gut feeling is telling me there would be some components involved, like, NetworkPolicy, OPA, but I can’t wrap my head on how should be the overall project overview, … Read more
I recently renamed a directory in the “My Pictures” folder from “ghostAlbum” to “imageAlbum” Explorer shows what I would expect (the new folder) as does the command line “dir” command. Excel’s and Word’s open file dialog show the same thing explorer does. Internet Explorer’s file open dialog shows the renamed folder, as well as an … Read more
I am new to PHP’s simplexml and xpath implementation, but here’s what I want to do: I have this XML file (excerpt from a youtube API response): <?xml version=”1.0″ encoding=”UTF-8″?> <feed xmlns=”http://www.w3.org/2005/Atom” xmlns:yt=”http://gdata.youtube.com/schemas/2007″> <id>tag:youtube.com,2008:standardfeed:global:most_popular</id> <entry> <id>tag:youtube.com,2008:video:_OBlgSz8sSM</id> <author> <name>HDCYT</name> <uri>http://gdata.youtube.com/feeds/api/users/HDCYT</uri> <yt:userId>fHZCZHykS3IQDPyFfnqjWg</yt:userId> </author> </entry> </feed> What I want to do is iterate over each “entry” tag (there … Read more
DC1, DC2 and DC3 are at site A. DC4 and DFS server (2008 R2) are at Site B. DC4 is Server 2003 and not a Global Catalog. DC1, DC2 and DC3 all are Server 2003, FSMO role holders and a Global Catalog. DC1 is Master DNS (SOA) for the Domain, All DC’s are also DNS … Read more
I’m currently trying to deploy my first website and I ran trough a small issue with DNS. I have my website www folder available (hosted on atlantic.net cloud) and I registered a domain through godaddy. However it only gives me 2 options there: – to simply redirect the domain to the web server’s IP (you … Read more
Let’s create two macvlan’s and attach network namespaces to them: $ sudo ip link add macvlan1 link eth0 type macvlan mode bridge $ sudo ip link add macvlan2 link eth0 type macvlan mode bridge $ sudo ip netns add net1 $ sudo ip netns add net2 $ sudo ip link set macvlan1 netns net1 # … Read more
