Ubuntu Servers :: Any Way To See Running Commands With Timestamp?
Jul 26, 2010
I recently hired a new tech guy to start managing our servers. In doing this I went ahead and upgraded all the servers. It has been awhile now since I sent him the details of the new server and the last time I talked to him he was joking around with one of the other clients not realizing how long it took.
I know on other server moves, my old guy could have everything setup and running in a couple days as a good amount of time is waiting for the data to copy over. I am starting to wonder if this guy is going to try and throw a huge bill at me, so I would like to know what hes doing on the server with time stamps just so I can get a idea of how much time he has been logged into the server. Does this server OS have anything like this built in?
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Apr 11, 2010
I am trying to boot debian on my nexus one the guide i am using is telling me to run these commands
I am getting to the point where i type the command # cd /sdcard/debian but it tells me cd: can't cd to /sdcard/debian.
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Sep 22, 2010
I have been trying to figure out how to automatically run terminal commands on login. For example, I want to run Firefox on login. When I run 'firefox' in terminal, it opens. This is what I tried:I went to System > Preference > Startup Applications and clicked on 'Add'. I gave it a name, typed 'firefox' into the command field and left the comment blank and added it to the list, making sure that the box was checked.
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Apr 16, 2010
Is there anyway to test a bash script without actually running the commands to see if the syntax is proper? Google is of no help.
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Nov 19, 2010
I recently decided to attempt to implement automatically disabling my laptop's touchpad when my external mouse is connected, and I am just about there.Unfortunately, what I suspect to be a permissions problem is stopping me from succeeding.Here's what I have done sofar:Written a Script which will enable or disable the touchpad based upon cli argument (verified to work when called via terminal)Set up a rule for halevt which successfully launches an arbitrary command when the mouse is connected or disconnected (even successfully logging itself)Determined that the script is in fact being called upon device connection (by adding echo statements to the script which are working)When launching halevt, I have even tried running it as my user/group, and with a special config file, all to no avail.Also, here is my command to run halevt:
Code:
sudo halevt -u brendon -g brendon -c /home/brendon/.halevt.xml
My .halevt.xml file:
[code]....
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Jun 3, 2011
Ok, so I have a few web apps that need to run shell commands. Heres a great example of one:
Code:
This is a PHP script getting my system volume. Herein lies the problem... www-data doesn't have permission to do this!
I changed my apache config to use MY account as the web user, and it does in fact work the way I want it to.
Obviously, I dont want to leave apache running as me, and want it to keep using www-data.... heres my question... how can I give permission for www-data to execute certain programs?
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Mar 17, 2011
I am running a shell script from a rc file in Linux. The shell script is going into a loop which runs for 8 hours. Now I want to prevent the shell script from running when Linux boots or I need to find a way to kill the shell script when it is running. I tried using killall, kill $! and Ctrl+C etc. Nothing seems to work. Can you suggest a way out. I am new to Linux.
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Apr 14, 2011
I am trying to run some simulations through SSH from my mac on our university SOLARIS system. My problem is that whenever I want to execute a command I get an error which says "Invalid argument". Maybe I should explain more what I want to do and what I did.Firstly I installed a software which I need to run, I did it through ThinLink, and it seems that it is running fine without a problems. I can execute all commands and scripts. Installed software contains tens of small programs. I have compiled it and assign the PATH to be able to use the software. This was still via ThinLink. Then I wanted to start to use SSH since it should be more secure and also faster for me. When I wanted to do same think as in ThinLink I got the message Invalid argument. For example I run a command which use program gensky. I wrote:
Code: gray1(dava) $ gensky 4 4 4
I got:
Code: -bash: ............/Radiance_install/bin/gensky: Invalid argument (i replaced the path to my home directory by dots) The PATH to the program seams correct but it does not run correctly. With SSH I can log into the remote machine and see all the files which I have on the disk as well as to run standard commands like mkdir etc. But I cannot run the programs which I installed.
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Aug 1, 2010
I would be running SQL commands (UPDATE/SELECT) from within my bash script. I am completely new to this subject. Is MYSQL used for this purpose? Alternatively, what is sqlplus?
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Jan 10, 2010
Recently I gained interest in running command from the terminal, like rhythmbox-client --play-pause and vlc --open, but I could not find the vlc's pause command under vlc. there's a way I can have a terminal display the commands that run when I do some action. For example, when I click on pause in vlc, the terminal should show me what command it used to pause vlc. What's the closest ting I can get to this?
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Feb 10, 2009
what i want to do is run two commands (nautilus and gedit) from the command line/shell script at the same time. i can obviously do && between them, but this requires the first app to close before moving on to the second one. i want to run both apps at the same time so i can run gedit with some project files open on it, and nautilus to browse those files/other files.
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Jun 18, 2009
I have set up ssh to connect with a RSA key to a router. Now, I want to be able to run a chain of commands on that router the problem is that I can't send them separated with ; cause the router doesn't understand the separation, so I have to send the "<enter>" keys somehow. I tried to do it like this:
( echo ping localhost; echo ping localhost; ) | ssh -i blah user@router
The connection is established, but it gets broken after login and no command is executed. Is there a way I could tell ssh to read a text file where the chain of commands is?
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Apr 4, 2016
I use two separate systems both running Debian 8. On one (my main) I can't do some commands including ping, shutdown and reboot without running them as root user, however on my other system I can ping and reboot as a non-privileged user. The permissions on both systems are the same for /bin/ping and /sbin/systemctl (reboot). I thought at first it was something to do with what groups my main was in, but that doesn't seem to be the gase.
I know I can fix it by setting setuid for both, but my question is why is it different on both machines? Is there a global setting controlling this in /etc or perhaps an icmp setting?
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Jun 16, 2010
Having recovered from busting my installation, feel urgent need to know what I did to set it up.So...would like to see all commands I ran in terminal window and store them (execute as script in future?)I can see prior commands using up arrow, is there a way of storing all of those commands in history?Also, any pointers to setting up sort of backup of the package installation setup?
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Apr 25, 2011
how to run a linux commands in shell programming using control structures.
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Dec 10, 2010
I added the following line in /etc/sudoers file
<username> ALL=(ALL) NOPASSWD:ALL
after adding this if I run any command it is not asking for the password. Now I need to shutdown the remote machine with sudoers user.
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Mar 25, 2010
Does LuckyBackup use different syntax when running commands?
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May 10, 2010
I am working on a daemon that I want to change some variables while its running. Is this possible?I want to implement a command line type interface for my daemon so I can send it commands that will change the current values of specific variables, and also be able tell the daemon to load/save a config file.The only thing I have found so far is passing arguments to a daemon, but that seems to be a one-time shot when your first starting it.
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Nov 7, 2009
After a few hours work I have managed to set up pptd so that my daughter can log into her account at Imperial College. My problem now is that I need to have a script that she can run if she wants to log in. She will have to invoke a couple of root commands and I do not want to give her the root password What she needs to do to set up networking is:
Quote:
pppd call imperial dump debug logfd 2 nodetach require-mppe
/sbin/ip route add default dev ppp0
How can I enable things so that she can run this script as user?
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May 25, 2010
I have the following cron configuration in the 'crontab' file:
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=<--- REMOVED -->
HOME=/
# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly
20 16 * * 1-5 root wget [URL]
07 30 * * 1-5 root wget [URL]
11 30 * * 1-5 root wget [URL]
My focus is on the three WGET commands. The problem is the first one works fine, runs at 4:20 p.m., but the other two never run! If I visit [URL] it works fine but cron never runs it.
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Jul 20, 2011
I've found myself using the -v flag for lots of applications less and less (especially for trivial stuff like tar and cp). However, when I did and I was, say, unzipping a large file, it would take longer than when I didn't use the -v flag.I assume this is because the terminal has to process the text and I'm filling up whatever buffer it might have. But my question is, does this make the application actually run slower or does it complete in the same amount of time and what I'm seeing is the terminal trying to catch up?
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Jan 24, 2011
I have 8 cores system, but I only want to use 4 cores of it. Are there any commands to show which cores are running tasks?
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Dec 18, 2009
In a script I am writing I am trying to add logic so that the script can figure out if a remote server uses rpm or dpkg and then run the appropriate command to print a list of installed packages. This works locally, but I need to get it to work through SSH and I have no idea how to do that. The relevant portion of the script is below. It would also be nice to find a way to not need the full path to the executables but I'm not real concerned about that.So anyone know how to make this code work via SSH?
Code:
if [ -x /usr/bin/dpkg ]; then
dpkg --get-selections
[code]...
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Jun 23, 2010
I'm getting something(s) wrong, trying to run commands (both simple and piped) in shells from Perl programs. The ultimate objective is to set up "copy X selection to clipboard" from urxvt but apparently simple debugging statements are not working.Here's the Perl, taken from here and modified to use xclip instead of xsel and with debugging added, shown in green
Code:
#! /usr/bin/perl
sub on_sel_grab {
[code]....
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Jun 14, 2010
I am running a simple script that I copied from slug.ceca.utc.edu/docs/2009-3-26-linux-server-health.pdf and edited with the names and paths of my own servers. I don't know much about scripting (re: nothing) but I wanted to try and be efficient in my new role as a Linux Sys Admin. The script was saved to root's home directory and runs as part of root's crontab once a week. The script runs with no problem, but it doesn't actually seem to run all of the commands contained within. It skips some in the middle and the end and I don't know why. The script itself is this:
Code:
#!/in/bash
uname -a > /tmp/server.txt
[code]...
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Sep 15, 2011
My application requires that I run dos commands on a Windows desktop which is in the same network as the Suse server. The command needs to be initiated from my Suse serverand I need to get the result of the command from Windows on my Suse server
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Feb 22, 2011
My current script is as followed:
Code:
#!/bin/sh
su et
cd "media/ET"
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:.
[code]....
I want ET to be run as the user "et" and for some reason, I can't directly su/sudo to run the file without being in the user "et" and the "/media/ET" directory.
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Oct 24, 2010
One of my servers needs to issue an "apt-get update" command on each of the clients in a lab. However, after the first update, it exits. In trying to replicate the problem with a simpler script, I created the following which fetches the listings of multiple directories from a client:
NUM=0
cat paths | while read DIR; do
ssh server-name ls $DIR > /tmp/$NUM.txt
NUM=`expr $NUM + 1`
done
Again, after the first iteration, the script exists. I tried the following line too, but it made no difference:
bash -c ssh server-name ls $DIR > /tmp/$NUM.txt
The only thing that worked so far is this
xterm -e ssh server-name ls $DIR > /tmp/$NUM.txt
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May 11, 2010
I am trying to install faac codecs on ubuntu 9.10 karmic.after running the configure and make commands i get this errors:
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Mar 19, 2010
We are running IPmonitor to monitor the disk usage on our Linux servers. It does not seem to coincide with what is reported when running df -h. For example on a Red Hat 5.3 server - our IPmonitor shows that 85% is used on the /usr partition, however when I do a df -h on the server it shows that 91% is used. Why there would be a discrepancy? IPmonitor uses SNMP.
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