To scan all open/listening ports in your Linux system, run the following command (which should take a long time to complete). $ sudo nmap -n -PN -sT -sU -p- localhost 4. Using lsof Command The final tool we will cover for querying open ports islsof command, which is used to list...
In Linux, without using live debugging with GDB, how to find a C program's state when it's hung? 1 How does wait() work in Linux? 6 Process is in interruptible sleep - how to find out what it is waiting for 2 Debugging Linux process hangs, which code is it running? 0 Finding ...
I have created a demo virtual machine that will allow users to try out the system. It is fully functional, but will require a good deal of configuration change if you want to implement it in an environment using IP addresses not in the 10.x.x.x network. There is a readme that I hi...
I have created a demo virtual machine that will allow users to try out the system. It is fully functional, but will require a good deal of configuration change if you want to implement it in an environment using IP addresses not in the 10.x.x.x network. There is a readme that I hi...
I asked a couple self-professed Linux gurus, and one suggested lsof -p <pid>, while the other suggested ls /proc/<pid>/fd, but neither was positive about which more accurately reflects the actual count towards the max open files limit for a process. So, which is it? lsof...
personally i believe this rapportd "daemon" (i also viewed the man page) is for crypto currencies. high sierra is junk. i can't wait until Huawei's next ZenBook is released.. ill be moving over to a linux system with one of their high end laptops. never thought id say this, huge ...
A web-server access log parser and monitoring tool whose interface is inspired by top command. It can report, in real time, a sorted list of web requests along with frequency, size, HTTP return code, IP address, etc.49. vmstatA simple CLI tool which shows various run-time system ...
What is sosreport The sosreport command is a tool that collects configuration information, system information, and diagnostic information from the system running on the RHEL, CentOS, and Oracle Linux in particular. This enables the technical support engineer to analyze the system in several aspects. ...
I can see right there that squid is the process, but it is actualy my squid-deb-proxy that is taking up the port. Another good example of a java app: $ lsof -i :4242 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME java 3075 root 86u IPv4 12019 0t0 TCP *:4242 (LISTEN) $...
Fport is very simple, yet highly effective. On UNIX machines, you can use the Lsof command to achieve similar functionality to Fport, as we discussed in Chapter 5. Remember our example in which the attacker renamed Netcat so that it appeared as iexplore.exe? In Figure 6.5, we can see...