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3
votes
1answer
74 views

How to find the ip address of the pc that sent a shutdown command?

I'm a system administrator in a school. We have a classroom with 20 PC's in a domain, and all PC's use the same user to log in. Sometimes students use the shutdown command to shut down the PC's of ...
3
votes
2answers
32 views

SSH authorized_keys command option: multiple commands?

The authorized_keys has a command="..." option that restricts a key to a single command. Is there a way to restrict a key to multiple commands? E.g. by having a regex there, or by editing some other ...
0
votes
1answer
35 views

What does '— --daemon' mean in start-stop-daemon?

On this man page for start-stop-daemon, there is an example: start-stop-daemon --start --oknodo --user food --name food --pidfile \ /var/run/food.pid --startas /usr/sbin/food --chuid food -- ...
0
votes
0answers
21 views

Packet Tracer 6.1.1 ISAKMP command not available

I am just going around in circles trying to configure a site to site VPN using the CLI on the ASA 5505 in Packet Tracer 6.1.1 When I am configuring isakmp the command just do not seem to be abailable ...
-2
votes
1answer
111 views

where is systemctl command in redhat 6.6 64 bit OS?

I was trying to run status of network by following commands. sudo systemctl status network However the system says systemctl command not found.
0
votes
0answers
15 views

Replace exact rows from some .js files with some other rows from another file

I have a situation where i need to change some encoded text (or better, an entire row) on some .js files on my server. What i think that will be better is a way to remove entire row (ex: row 2 and ...
0
votes
1answer
43 views

Windows PowerShell - How to view commands history date/time [closed]

I want to list entered commands in Windows PowerShell with their respective timestamps. How can I do it with Get-History command? Also if that isn't doable then please show me a way to check which ...
0
votes
2answers
87 views

How to take backup of a table on a different schema in PostgreSQL

Please let us know in PostgreSQL how we can take backup of a table on a different schema. We have db named "geopostgrest" and under Schema named "1" (Not inside Public Schema) we need to take backup ...
1
vote
1answer
88 views

Command substitution into bash script $1 value

I have this simple script which changes permissions on my apache2 websites /var/www/html# cat permissions_setup.sh chown -R root $1 chgrp -R www-data $1 chmod -R 750 $1 chmod g+s $1 I have two .sh ...
0
votes
1answer
15 views

run remote command to save debian package list

I'd like to backup the package list(dpkg) of some remote computers to a backup server: all of them running Debian. I already configured the rsa key to login remotely as root on the other computers ...
0
votes
2answers
66 views

how to identify a command prompt window?

Enviroment: windows 7 Currently i have machine on which we launch 2 batch files on system start up. These batch files internally run multiple programs by running on separate command prompt windows. ...
-1
votes
1answer
50 views

Search for file names containing space

I have a batch file that helps me in install multiple pieces of software from a shared folder. It's working well with software whose names don't contain spaces, but I need it to work with software ...
1
vote
2answers
38 views

How to cp only into the latest directory name?

mkdir test_dir test_dir1 test_dir2 test_dir3 touch file1 file2 file3 cp -v file* test_dir*/ This copies only to test_dir3 and not in test_dir, test_dir1, test_dir2. Why? For that matter it copies ...
0
votes
0answers
17 views

Command piped - nagios information status not expected

First of all, thanks for reading. I am configuring a new service, basicly this checks the number of entries on de home directory, is very simple. define service{ use ...
2
votes
3answers
83 views

Output of a command to the first line of a file

I am trying to insert output of a command into the first line of a file. For example, I have a file named "list.txt" and want to insert a text containing all the file names in that folder. A way to ...
0
votes
3answers
181 views

How to find which folder is eating space fast? [duplicate]

I am running Linux server, we using this server as a samba share drive. From yesterday suddenly, one of the share drive size getting increasing (~ 100 MB every ten min). There are too many folders and ...
1
vote
1answer
802 views

Issue command on multiple systems at once using MCollective

Aim The aim is to execute a command on multiple systems at once using MCollective, e.g., touch /tmp/helloworld using MCollective-client creates touch /tmp/helloworld on all MCollective-servers: ...
-2
votes
1answer
59 views

How to get a process ID automaticly with command prompt [closed]

I´d want to know how to get a PID of a process with a single command in command prompt. I tried it with findstr, but I´m (apparently) not so smart to figure it out. You cannot use tasklist, because ...
1
vote
1answer
541 views

Command apt-get -t wheezy-backports install linux-image-amd64

I have a server with Debian wheezy and kernel vmlinuz-3.2.0-4-amd64, hosted at OVH. I would like to upgrade the kernel. Normally at ovh, you can find some kernel already configured. but the files I ...
1
vote
1answer
69 views

dsget error probably because of users with “-” in their name

I'm trying to run a dsquery/dsget that will result in users that weren't active for a month and that are not disabled: dsquery user -inactive 4 -limit 0 | dsget user -samid -disabled ...
1
vote
2answers
333 views

Can I find the list of ports being listened by a process ordered by the time of opening?

I know I can see the list of open ports using the lsof command. I am trying to view the results ordered by timestamp of listening. The process opens multiple (~6) ports and I suspect the order of ...
1
vote
2answers
3k views

why does sudo su; su tomcat doesn't switch to tomcat user?

In Redhat linux. from my user if I issue command sudo su -> changes to root su tomcat --> changes to tomcat user Why does tailing the commands in single line doesn't work? sudo su; su tomcat --> stil ...
-1
votes
2answers
357 views

can't find the executable for the command linux 'source' [closed]

i am using ubuntu server 12.04 lts. I am looking for the executable of the linux command source i can not find in the /bin nor /usr/bin nor /usr/sbin nor /usr/local/bin . I used whereis source it ...
0
votes
1answer
226 views

task manager performance tab

I am trying to have task manager open on the Performance tab on startup on Windows 8, 8.1, and 2012 machines. I have gotten the task manager to open, but it always does so on the Processes tab and ...
2
votes
1answer
310 views

Bash: two commands in dollar-parenthesis don't have same behavior

I don't undertsand why, in Bash: echo $(hostname --fqdn) works, echo $(id -un) doesn't (id: –un: No such user). Backticks give the same results. Is there some good practice for using this ...
1
vote
1answer
997 views

Can sftp check for existing data?

I have 700 binary files (pdf) to download and right now only 400 are available on a sftp server. Can sftp, from the cli, determine what files exist in the local directory so it doesn't need to ...
0
votes
0answers
270 views

Need help getting two commands to run on startup (Seafile)

Trying to get the Dropbox alternative Seafile to run automatically on startup on my VPS running on CentOS 6.4. I want to get these two commands on startup. Noob here, any help will be really ...
3
votes
1answer
534 views

Meaning of requeues of tc command

I ran this tc bellow and it outputs requeues with high number, do you know what this requeues means? By the way, it keeps increasing over the time. I look at man tc but I couldn't find anything. $ ...
0
votes
1answer
384 views

tail command not updating output for debug files

I know that tail -f /var/log/messages will be keep updating on screen as the contents of file gets updated. But when I tried the same thing with a debug file system's file it is not working , any ...
-1
votes
2answers
164 views

Python script to log name, date, and command of every command users have entered

I want to create a script, possibly in python, open to suggestions, it logs every command typed on the server. so it would log, user, timestamp and command. Is this possible?
0
votes
1answer
179 views

Create Logfile for all fired commands on server

I want to maintain logfile for all fired command on server. We have more than 3 admins and I want to monitor all commands which are fired by these. Is it possible ?
0
votes
1answer
300 views

Exchange 2007 - getting an item count from a specified date range

Using the command below in Exchange Management Shell, I am able to get a list of all mailboxes on our Exchange server, along with their display names, size, and item count: Get-MailboxStatistics | ...
-1
votes
2answers
251 views

nested Cmnd_Alias in sudo configuration

im trying to simplify my sudo configuration but not sure if sudo supports this configuration. I have a "view" command alias which we use to provide access to log files: Cmnd_Alias VIEW = ...
0
votes
2answers
752 views

How to run Linux system commands from web interface?

I'm looking for a clean and secure way to run specific Linux system commands from a web interface. Let's say I would like to sudo -u differentuser ping 0.0.0.0. The IP address is supplied by user in ...
0
votes
0answers
362 views

shell command queuing system linux (like atd)

I need to queue shell commands depending on current available resources. I know of atd and it's exactly the type of tool I would like to find but with consideration for RAM and possibly disk ...
-1
votes
1answer
109 views

ssh argument command not passed

Doing this command: iptables -I INPUT -d xxx.xxx.xxx.xxx -p tcp --dport 80 -m string --to 70 \ --algo bm --string 'GET /w00tw00t.at.ISC.SANS.' -j DROP I got this error on ssh console: "bad argument ...
2
votes
2answers
1k views

Is there any way to convert a putty “All session output” log, with control characters, to a more human readable “Printable output” log?

We had a contractor in-house to help with some configuration of a product and we're trying to look through the putty logs he set up for us, but instead of using "printable output" he used "all session ...
0
votes
1answer
118 views

Alter new and existing session Command Timeout value

My first post so please me... I’m a self-taught DBA in a manufacturing environment full of engineers who like to fiddle. Although I have not given them sysadmin or any explicit extra rights I have an ...
1
vote
1answer
295 views

Extract ip, mask and gateway of a network interface separately

I know that the command ifconfig will give you ip, mask and gateway of a given network interface. I want to "programmatically" extract each of those paramaters separately. At the moment the best ...
3
votes
1answer
706 views

How can I determine valid Mac OS X Server `serveradmin` commands?

I've used Mac OS X Server's serveradmin command line interface for Server Admin.app & now Server.app for starting & stopping services, viewing status & settings, and occasionally running ...
1
vote
1answer
65 views

Ubuntu 11.10 Cron Job fails With - Not Found

I have a script that is supposed to run hourly. It was working fine for a while and then it seemed to stop working after some system updates were applied. At that point it stopped working and ...
6
votes
1answer
2k views

Why does rsync forks itself? And why one such forked process is almost kinda idle (as seen in iotop)?

This is referring to the matter stated here and I am also experiencing the same. In one of my servers, I ran an rsync, to backup a huge directory (size greater than 300 Gb) to a different disk, ...
3
votes
1answer
269 views

Is there any difference running dhcrelay with multiple process or single process?

I want to ask about dhcreay running mechanism. We can run dhcrelay with two command, then it will run as 2 process dhcrelay -i eth3 172.16.17.3 dhcrelay -i eth1 172.16.17.5 #ps ax | grep dhcre 26464 ...
1
vote
2answers
830 views

How to check that all ZFS snapshots within a pool are without holds before destroying that pool

Question Already I can check each snapshot of a filesystem individually, manually. I would prefer to check all at once (all with a single command or script). Please: can that be done with a ...
0
votes
3answers
317 views

How to check the number of requests being served by server

Can any one help with the command to check the number of requests being served by apache web server. I know some commands to test the load of server, like top command to check the load on server and ...
0
votes
2answers
225 views

Call 'script' command and exit it from within a bash script

I'm using the linux 'script' command http://www.linuxcommand.org/man_pages/script1.html to log all input and output in an interactive bash script. At the moment I have to call the script command, ...
1
vote
1answer
2k views

changing network speed to 1000Mb/s

I am trying to change the server uplink from 100Mb/s to 1000Mb/s ethtool eth0 output # ethtool eth0 Settings for eth0: Supported ports: [ TP MII ] Supported link modes: ...
2
votes
2answers
2k views

Meaning of killall -0

I see from many place the follow command is used to check if a process exists, e.g. killall -0 nginx But from the documentation I can't see anything related to this argument, can anyone explain?
0
votes
1answer
369 views

how to wrap the command1 return strings with single/double quotation marks (\'or\") to feed to the next command2? [closed]

For example, I want to use mplayer to play the music of several dirs, type like this in bash: $find './l_music/La Scala Concert 03 03 03' './l_music/Echoes The Einaudi Collection' ...
2
votes
2answers
2k views

How to show high usage user's username with the top command, if the username is too long?

I'm having problem identifying high usage users on a shared Linux machine. I use the "top" command and it does show which commands are using the most CPU. But the usernames on this server all start ...