Questions tagged [monitoring]
Obtaining real-time values of system parameters or events (processor load, server responsiveness, intrusion attempts, …), or getting alerted when certain events happen
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questions
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Sysdig does not show exit event for write syscall
I'm trying to capture write to stdout (or stderr), but apparently the actual data is related to the exit event. I wrote a simple C program that writes to stdout and stderr.
#include <stdio.h>
...
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18 views
Recommendation for tools or suite that can pull error logs from servers/enclosures
As the title suggests, I am looking for a community recommendation on the best way to pull logs from remote devices, and then quickly scan those logs for key strings, and/or specifically list hardware ...
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0answers
9 views
Never updated (See 'Build / Update', page awstats_setup.html) (web log analyzer)
Hi i'm installing awstats (web log analyzer) with this command
sudo apt install awstats
and it work at the first ! but the problem now is get this error in the web page
Never updated (See 'Build / ...
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0answers
8 views
Real-time mysql db change monitoring
I'm using git to monitor file-system changes (and be able to roll them back!) for a series of updates I'm doing to a WordPress site. I'd like the equivalent for mysql, but I'd settle for just manually ...
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1answer
49 views
How can i copy a file without being tracked? [closed]
I am a non-root user in a linux server.
I want to copy some file in this server.
but i dont want anyone to tracked this operation.
Can you offer some suggestion?
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26 views
Which process generated specific DNS query?
Context: I have a few Mac OS laptops, Catalina 10.15. I noticed suspicious DNS requests in our firewall logs (capable of showing DNS queries), and traced the source IPs to these Mac Books. I checked ...
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1answer
10 views
NMON analyze cpu and mem 1 day
I tried to analyze one day's worth of CPU and memory using nmon on AIX, but I have an error -- why? I also want to run it in background.
user@host(/home/user)$ nmon -s 900 -c 96 -m 96 -r "nmon ...
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1answer
21 views
cli real-time monitoring of web server traffic per second over time (ncurses)
Is there a tool that can be used to monitor the traffic a web server is processing in real-time from the command line?
I'm looking for a cli ncurses tool like nload, but one that can show the requests ...
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36 views
Deauth by Aireplay-ng doesn't work (Kali Linux)
I've USB wifi adaptor TP-link WN822N, what I use with Kali Linux 2021.1 on vmWare.
I want to make deauth attak with Aireplay-ng. My Target - is my AP ASUS and client is iPhone.
So, I scan by airodump-...
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0answers
6 views
AuditD and SysCall alerts
Given an alert rule like -a always,exit -F arch=b32 -S open -S openat -F exit=-EACCES -k access how does adding multiple SysCalls (-S) options work?
When an application gets executed do all the ...
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70 views
How can I get GPU memory temperature with atitool?
I want to monitor GPU temperatures on my RX5700 xt.
This command:
atitool -temp
gives only core temp. Can I get mem temp with this tool?
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10 views
How to troubleshooting with log tracking? (framework)
How to troubleshooting with log tracking (framework) for an IT Support or Sysadmins
I need the methodology and step's :
How to incident documentation (form or template).
How to Detect the problem ...
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0answers
46 views
Ubuntu 100% swap usage all the time
I have Ubuntu 16.04 on my VPS. I using server mainly to running web scrapers in python. Other things are django project hosted by Docker, postgreSQL database. I using netdata tool to monitoring usage ...
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2answers
31 views
Restart a process if a message is detected on stdout
Is there a way of monitoring a process (like for example with supervisord), and then restarting the process if the stdout outputs a specific line of text?
In my case the line to check for would be:
...
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1answer
16 views
How to track all shortcut keys pressed and the process they interact with?
For a while now and for some reason I find myself in the unpleasant situation of Ctrl-w not working anymore in any program, which means I need the mouse any time I want to close a tab.
I tried ...
0
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1answer
51 views
How do I enable the Wi-Fi as a primary network tool in Kali Linux?
While installing Kali Linux there was an option to choose a primary network between Ethernet and Wireless network. But since my device has a problem with wireless I opted for Ethernet. Now, I have ...
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27 views
How to LISTEN and alert on ESTABLISHED connection (low-interactive honeypot)
What is the most robust solution for a super-simple linux daemon that just LISTENS on some port(s) and every time a connection is ESTABLISHED, it immediately sends me an email alert?
I'm building a ...
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1answer
70 views
Monitoring a file and executing a command based on changes to that file
I am searching for a way to execute a command when a keyword appears in a given file, say temp.txt. Currently, I have tried tail -F temp.txt | awk '/keyword/ {echo found}'. The desired goal is for ...
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18 views
Lightweight process/daemon monitor? (ie. monitor and restart a single process)
Can anybody recommend a lightweight process/daemon monitor?
I'm running a user-land service process and I just need something to monitor and restart it when it crashes. The system is running embedded ...
1
vote
1answer
55 views
What does pgalloc_(dma|dma32|normal|movable) in /proc/vmstat measure?
My /proc/vmstat contains the following rows:
pgalloc_dma 0
pgalloc_dma32 288126724
pgalloc_normal 33952724486
pgalloc_movable 0
I'm wondering what they are measurements of. Are they counters of the ...
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0answers
2 views
Windows remote network (CentOS) bandwidth usage utility?
is there a Windows tool (or scripting facility) to remotely monitor a CentOS machine network bandwidth usage?
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1answer
48 views
run a script after a binary was called
I would like to modify iptables after VPN connection. What is the best approach to achieve that ?
I already tried through systemd with a custom unit in NetworkManager dispatcher.d directory but it ...
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1answer
56 views
Memory allocation counter for Linux
I am looking for a counter provided by the Linux kernel counting the number of memory allocations performed by tasks on the system. I want to watch for high velocity changes in this counter, using ...
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0answers
13 views
Monitoring a installation
I have an installation file that shall be run with root privileges. I have created a linux sandbox and would like to know what files are actually created and which are modified by such install script.
...
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1answer
37 views
How to Monitor what Changes a File
Some files on a Debian 9 server periodically overwritten to the original status after I modified it. I couldn't find what process/program is doing that job. Nothing is defined on crontab. Posibilly ...
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1answer
233 views
NRPE Could not complete SSL handshake - Peer did not return a ceritificate
I am getting SSL Handshake errors with NRPE after enabling SSL. It worked perfectly fine without SSL doing check_nrpe. The allowed host is correct and when run without SSL enabled it shows the proper ...
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0answers
16 views
monitor Apache current downloaing files
I'm using Apache to allow users of my application to download required updates.
I want to know are there any methods to understand which files are currently downloading and which IP is downloading ...
0
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1answer
31 views
Recording monthly network usage for a metered connection?
Comcast is enforcing a new data cap on some customers reportedly starting as early as next month, January 2021. I'm both a data scientist and a tenant under someone else's internet plan; I know I've ...
0
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1answer
27 views
sysstat sar only collects cpu usage
I'm running into a problem when using sar to collect live system statistics. When I run a sar command such as the following, I get the right output:
$ sar -r 1 -o /tmp/memory_usage
Linux 4.15.0-70-...
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1answer
110 views
sensors-detect warning on I2C/SMBus
sensors-detect has this warning :
Lastly, we can probe the I2C/SMBus adapters for connected hardware
monitoring devices. This is the most risky part, and while it works
reasonably well on most systems,...
0
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1answer
58 views
How to get the task_struct of a pid?
I would like to get the task_struct of a process by his PID because I need the timing fields for a monitoring application. Is that possible without creating a module ?
If not, is there a way to get ...
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1answer
469 views
CentOS: How can I see pure-ftpd server response logs?
My ftp user face error like this:
FTP 127 Response: 500 I won't open a connection to xxx.xxx.xxx.xxx (only to yyy.yyy.yyy.yyy)
This is the response of my server which captured by Wireshark in a ...
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1answer
26 views
early warning for HDD issues
I am using Linux Mint 20.
% inxi -S
System: Host: ismail-i5 Kernel: 5.4.0-56-generic x86_64 bits: 64 Desktop: Cinnamon 4.6.7 Distro: Linux Mint 20 Ulyana
I have 3 HDD and 1 SSD.
% lsblk
NAME MAJ:...
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1answer
28 views
Stream changes in available memory
I've come up with the following command to check changes in memory use:
free -s 1 -h | awk 'NR%4==2'
This shows output like this:
Mem: 125G 32G 82G 404M 10G ...
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0answers
13 views
Do “lookup ops” interfere with R/W ops?
On Solaris 11, and using ZFS, we monitor the IOPS of the filesystems in different datasets using:
fsstat /apool/adataset/* 1 100
where apool is the ZFS pool containing a parent dataset adataset with ...
0
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1answer
18 views
monitoring data read/write speed to storage unit in linux
Running rhel 7.7 on a server having a dell powervault storage unit.
I wish to test the read/write speed from my head node to the /data mount point which is NFS over infiniband. I want to to observe ...
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0answers
28 views
Is there a tool to monitor activity on mount point or directory?
I'm trying to find out why automount timeout does not kick in and need to detect any system activity that access a specific catalog or subtree, e.g the cifs mount point.
My suspicion is that some cron/...
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3answers
104 views
How to Monitor Changes Within a File
I am looking to monitor content changes within a file and when that content changes, produce a notification displaying the new text.
Details
Let us say the file (connection.txt) contained only the ...
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41 views
Nagios core SNMP for VMware 6.7 [duplicate]
How to setups Nagios core SNMP configure for VMware vSphere 6.7.
There is alarm trigger and pointing to snmp service option in VMware vcenter. Here I want to point to nagios core and monitoring.
Can ...
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0answers
18 views
gkrellm: can you display a chart of the memory usage?
little background:
I had some processes on a machine with 128GB memory that reported python memory allocation errors (the machine ran out of memory). My code only uses like 1-3GB memory... so I should ...
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1answer
24 views
How can I time a shell command n times and get some execution time distribution?
I have a shell command that I would like to time (e.g., a curl query). I don't want to time it once, but instead many times, so that I can get an empirical distribution of the execution time. How can ...
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1answer
19 views
Analyze the programs/commands frequency since boot up (command vs. PID histogram)
I would like to see which program got a PID most frequently and second frequently in my system since the last reboot. If I run top now, I can see the PID column and the COMMAND column but only for ...
0
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2answers
41 views
How to monitor running programs with open ports?
Ok, so I want to monitoring running programs on Debian. For example I have a running several program on my instance and I can get output of netstat -plnt and see what is program and their ports. ...
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0answers
18 views
How can I monitor command usage on a system, possibly outputting p8s metrics?
I'm trying to debug some usage of the iptables command. The idea is that I have a number of things changing and calling iptables, with parameters, and at different times that it's hard to get some ...
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1answer
51 views
Anyone know what this yellow titlebar is, and how to remove it?
Super+s (activities overview) got remapped to this and I can't seem to figure out how to change it back. This title bar shows up on the focused window when I hit Super+s, and then newly opened windows ...
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0answers
26 views
UNIX Resources. Exception occurred MSG 47193
I was attempting to add counter monitoring measures within the LoadRunner version 12.65 for Unix server resources. The server takes the log in, connects but then the LoadRunner Controller returns an ...
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0answers
14 views
Read output in bash from an interrupted perf stat
I am measuring the CPU usage of a running server process.
I use a shell to run perf stat -p <pid> & to attach to the process, run some commands, and kill -INT the perf to get the result.
The ...
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0answers
23 views
Status(UP/DOWN) of Session based Application hosted on Tomcat server in UNIX
I need to check the status (UP/DOWN) of an application (https://w45ra0377.abc.com:12345) that is hosted on a server in UNIX.
This is a session authenticated application.
I tried with the below CURL ...
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2answers
220 views
Get current network utilization via /sys/class/net
Playing around with some low level functions to monitor my system stats.
I would like to get the current network utilization the same way like I can get cpu temp
cat /sys/class/thermal/thermal_zone0/...
4
votes
1answer
187 views
How to trace DMA?
I am working on software that communicates with a PCI card through direct memory access (DMA) transactions. My programs use a suit of drivers and a library that handles the DMA. Everything runs on a ...
