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Airwave CLI Commands

  • 1.  Airwave CLI Commands

    Posted Mar 04, 2013 08:42 AM

    When I got in this morning the Web interface for the AMP server was down, I used to have the command to restart it saved somewhere but I can't find it for the life of me. So I looked up CLI commands for AMP and couldn't find any list of common used commands, is there a reference sheet available?


  • 2.  RE: Airwave CLI Commands

    Posted Mar 04, 2013 12:41 PM

    I don't have any such cheat-sheet, and would also like to have the recommended way to do things from Aruba.


    What I do know is that there are a few scripts titled starting with "amp_"


    These seem like the likely pair:




    As a Linux-geek, I'm also likely to use:

    shutdown -r now


  • 3.  RE: Airwave CLI Commands

    Posted Mar 04, 2013 01:06 PM

    We probably should find a way to put together a reference of commonly used CLI commands.  Standard linux commands make up a big chunk of what AirWave users do at the CLI.


    Another command that might help in this case is "ra", which restarts all AMP processes.


    The most common reason why AMP can't start is a full disk.  You can test that by using the linux command "df"

  • 4.  RE: Airwave CLI Commands

    Posted Mar 04, 2013 07:53 PM

    Thanks Dan,


    I issued the "ra" and it gave me the following error...


    Stopping httpd:                                            [FAILED]
    rm: cannot remove `/var/lock/subsys/httpd': Read-only file system
    rm: cannot remove `/var/run/': Read-only file system
    Starting httpd: /var/log/httpd/error_log.2013-03-04: Read-only file system


    It looks like I have enough drive space too.


    [root@airwave01 mercury]# df
    Filesystem           1K-blocks      Used Available Use% Mounted on
                         706827616 104512180 565831548  16% /
    /dev/sda1               101086     12816     83051  14% /boot
    tmpfs                  8218048         0   8218048   0% /dev/shm

  • 5.  RE: Airwave CLI Commands

    Posted Mar 04, 2013 08:06 PM

    That means that there's a problem with a disk and/or the linux filesystem.  fsck is a good tool to check for and fix these errors sometimes.  You can run it like this:


    # shutdown -rF now



  • 6.  RE: Airwave CLI Commands

    Posted Mar 05, 2013 08:40 AM

    Thanks Dan, I ran the command but there was an error on the repair and asked to reboot or go into maintenance mode, I let it reboot and the system wouldn't come up. This is the second time the database has gotten corrupted and I had to restore it. Is there any known issues with database corruption and virtualization?

  • 7.  RE: Airwave CLI Commands

    Posted Mar 27, 2013 10:22 AM

    Best bet at this point is to open a support case as they can dive deeper into the issue.


    If your Airwave is virtualized I would recommend moving it to dedicated hardware or make sure that AMP is the only server runing on your VM. It is insanelly heavy on disk I/O.


    I have nothing but problems with Airwave on VMWare but we were running other VMs on the cluster. We have since moved to dedicated hardware for it.

  • 8.  RE: Airwave CLI Commands

    Posted Nov 13, 2013 07:05 PM

    Use WinSCP and go to the "/root/svn/mercury/scripts" folder, you'll all the custom AMP command scripts in there

  • 9.  RE: Airwave CLI Commands

    Posted Mar 04, 2013 07:50 PM

    Thanks Matthew, I've already issued the "amp_disable/enable" command but am getting an error.

    "Can't use an undefined value as a symbol reference at /usr/local/airwave/lib/perl/Mercury/Utility/ line 102."

    Apparently AMP is up and running because messages are showing up on the console but the Web interface is down. The last time I used the "shutdown" command the database got corrupted and I had to restore it from backup.

    I might have to temp fate again and shut er down. :smileyhappy:

  • 10.  RE: Airwave CLI Commands

    Posted Mar 04, 2013 08:30 PM

    Here are some CLI commands that I've discovered, collected, or given that has helped me over the years... Please fee free to add to it.


    Creating an User Account

    1. useradd [username]
    2. passwd [username]

    Changing User's Password

    1. passwd <username>

    Granting Someone Temporary Root Access (Like a support person)

    Using the SUDO (Super User Doer) command.

    1. Login as root user.
    2. cd /etc
    3. nano sudoers
    4. Scroll down to the section of the file called...
      1. ## Allow root to run any commands anywhere
        root               ALL=(ALL)            ALL
      2. Add  the following to the next line
        <Username> ALL=(ALL)          ALL
    5. Press "CTL o" to save
    6. Press "CTL x" to exit.

    List User Accounts

    1. cat /etc/passwd | gawk 'FS=":" {print $1}'

    Lock and Unlock a User Account

    1. passwd <username> -l
    2. passwd <username> -u

    Shutdown Server

    1. Linux: Shutdown -P now (to power the server off after shutdown)
    2. Linux: shutdown –r now (to restart the server after shutdown)

    Editing Files

    1. Edit a File: Vi /path/to/file
    2. Press “i” to enter in “Insert Mode (To leave “Insert Mode” press “esc”)
    3. Delete a character currently under the cursor you must press “x” (you must NOT be in “Insert Mode” because you will insert the letter “x”)
    4. To save (not in “Insert Mode”) press “:x”
    5. If you don’t want to save but want to quit, press “:q” (not in “Insert Mode”)
    6. To search within a file
           To search forward, use “/” and then the word
           To search backward, use “/” and then the word

    Show Who Last Logged into the Console and How Long

    1. last

    Run a Manual Backup

    1. Log into the AWMS system as root.
    2. Run the backup script by typing 'amp_backup'.
    This creates a backup of the system located in /alternative/databackup.tar.gz.

    A good open source Windows file transfer client that supports SFTP and SCP for is WinSCP which is available from WINSCP allows you to transfer the databackup.tar.gz file from your AWMS to your local PC using the secure copy protocol (SCP).