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Sep
24
revised What does env x='() { :;}; command' bash do and why is it insecure?
Apparently, today I like writing "like" and "liked" instead of "link" and "linked"
Sep
24
answered What does env x='() { :;}; command' bash do and why is it insecure?
Sep
24
comment Does Linux provide Predictive Self-Healing on x86?
Actually, the article you linked says that the Linux in Linux on POWER does not have self healing capabilities. While Linux has all the monitoring and configuration capabilites to implement "self-healing", I don't know about any ready to use systems. I suppose systemd will be able to do it better in a foreseeable version anyways.
Sep
22
awarded  Custodian
Sep
22
reviewed Approve suggested edit on Iptables and Ip6tables redirect traffic
Sep
22
comment More shell scripts than one in one text file?
Hello and welcome to ul.sx! If you don't mind typing exit instead of end., then yes, there is.
Sep
22
awarded  Custodian
Sep
22
reviewed Close New to Linux. Working out what commands do
Sep
22
reviewed Reviewed How do I substract 5 minutes from a Unix timestamp?
Sep
22
comment How do I substract 5 minutes from a Unix timestamp?
Hello and welcome to ul.sx! Please be specific and ensure your answers are always complete, including stating you answer's idea before providing code snippets.
Sep
22
reviewed Approve suggested edit on Copy specific file type keeping the folder structure
Sep
22
reviewed Approve suggested edit on Which OS for Raspberry pi
Sep
18
reviewed Approve suggested edit on How to change a firefox option on a quick way (via shortcuts, command line,..)?
Sep
14
comment PCI Pass through for gaming, Arch Linux
Hello, welcome to ul.sx! There are quit a few articles on this on the Internet, well written with quite straight foward approaches, e.g. the the first one i get when i google for kvm pci passthrough graphics Why don't give them a try first?
Sep
11
comment Find service by network activity
It's a successful lookup then. What's so strange about it? You could introduce an artificial delay so that netstat works. Other than that you could watch for longer lasting connections to the answer of the strange request. Every tool has the timing problem and the pcap based tools apparently can't do what you want. Maybe the kernel has some on_socket_open notification, but I wouldn't know.
Sep
11
comment Find service by network activity
The DNS traffic you see is usually encapsulated in UDP, encapsulated in IP. In the IP header you will find a source address, which enables you to identify from which computer the traffic originates. In the UDP header you will find a source port which can be used on the originating computer to identify the originating process, for instance using netstat.
Sep
8
comment Difference between ssl/https and plain https in nmap output
is this reproducable? could you provide us the data traffic generated by nmap, i.e. the file /tmp/for_ul_se.pcap generated by tcpdump -i <your_wlan_interface_name> -s0 -w/tmp/for_ul_se.pcap port 443?
Sep
8
comment How to mount/recover data on a disk that was part of a mdadm raid 1 on another machine?
@Quantum7: yes, you are right, but i cant edit the comment anymore
Sep
2
comment What's the exact behaviour of the command: ip address change?
And what is the effect of those flags? Because on the command line they don't really show. Especially as change works like add if the address to change does not exist yet. I didn't think I would have to dig through the kernel source (because that's where the flags are ultimately passed), in order to find out what one of the most popular command line tools for network management does. This isn't the 90s ... :-) But thanks anyways!
Sep
1
comment How to know when a job in screen finishes?
Yes, I saw your other post. It should work just as well as any other string you can stuff.