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Posts by Vivek Gite

How to find disk I/O latency with iop...

Sep 21, 2017 ~ Written by Vivek Gite
How to find disk I/O latency with ioping monitoring tool on Linux How do I monitor disk I/O latency in real time on Linux, FreeBSD, OpenBSD, and MacOS operating system?
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Linux / Unix: Show Shares on NFS Serv...

Apr 20, 2012 ~ Written by Vivek Gite
We have a few netapp and other Unix server running here. An NFS server is configured on both netapp and Unix. How do I see all exported file systems from netapp and unix server using Linux command line option?
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Could not chdir to home directory /ro...

Apr 15, 2012 ~ Written by Vivek Gite
When I ssh into my server and login as t root user and I\'m getting the following error on screen: Could not chdir to home directory /root: No such file or directory How do I fix this error under CentOS or Debian Linux server?Read answer to: \"Could not chdir to home directory /root: No such file or (Read more...)
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Unix / Linux: Find Information About ...

Mar 28, 2012 ~ Written by Vivek Gite
I\'m using ps command to read a snapshot of the current processes under Unix / Linux operating systems. However, ps -e or ps aux only displays command / processes names. I need to see complete information about the process including all parameters passed to it. How do I see it under Unix / Linux using ps command?
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Unix / Linux: Find Information About ...

Mar 28, 2012 ~ Written by Vivek Gite
I\'m using ps command to read a snapshot of the current processes under Unix / Linux operating systems. However, ps -e or ps aux only displays command / processes names. I need to see complete information about the process including all parameters passed to it. How do I see it under Unix / Linux using ps command?Read answer (Read more...)
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Linux / Unix: Cat Command Examples

Feb 27, 2012 ~ Written by Vivek Gite
How do I use cat command on Linux or Unix-like operating systems?Read answer to: \"Linux / Unix: Cat Command Examples\"    
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Screen Command: Set Baud Rate [ Termi...

Jan 27, 2011 ~ Written by Vivek Gite
I need to do router or network switch configuration via a console port such as COM1 (ttyS0 under Linux). How do I use the screen command for a serial terminal emulator network with different baud rates under UNIX or Linux operating systems?Read answer to: \"Screen Command: Set Baud Rate [ Terminal Communication ]\"    
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UNIX / Linux: HowTo Use unison File S...

Aug 16, 2010 ~ Written by Vivek Gite
I know how to use rsync for Unix systems which synchronizes files and directories from one location to another while minimizing data transfer. However, I would like to synchronizing files between two directories, either on one computer, or between a computer and another server. How do I maintain the same version of files on multiple servers [...]
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FreeBSD: Permanently Delete / Remove ...

Jun 23, 2010 ~ Written by Vivek Gite
FreeBSD: Permanently Delete / Remove Files With Shred I\'m going to upgrade my FreeBSD 7.x server hard disks and going to send back the original 73GB hard disk to my vendor. I wanted to make sure that no one should able to use my personal data from old hard disk, especially files stored in /home/you/projects directory. I know how to use sDelete under MS-Windows to delete a (Read more...)
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[ERROR] /usr/local/libexec/mysqld: un...

Apr 25, 2010 ~ Written by Vivek Gite
I\'m trying to set \'thread_concurrency to 8 under Linux MySQL server. But when I try to restart the mysql server, I get the following error:[ERROR] /usr/local/libexec/mysqld: unknown variable \'thread_concurrency=8\' How do I fix this problem?
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Bash Shell Find Out If A Command Exis...

Apr 06, 2010 ~ Written by Vivek Gite
I want find out if a command exists on UNIX from a bash shell script. If command does not exists, then I would like to display an error message on screen. How do I find out if a command exists on Posix system or not?
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HowTo: Linux / Unix Move Directory Up...

Apr 02, 2010 ~ Written by Vivek Gite
I would like to move a directory one level up into the root directory. I\'ve all html files located in /home/apache2/www/html directory, and I\'d like to move /home/apache2/www/html to one level up at /home/apache2/www/. How can I accomplish this over the ssh session?
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Linux/UNIX: Move File Starting With A...

Feb 20, 2010 ~ Written by Vivek Gite
Linux/UNIX: Move File Starting With A Dash In Unix or Linux operating systems, how do I move file(s) starting with a dash (e.g., /home/you/--filename.txt or /home/you/-filename.txt)?
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HowTo: Display / Echo Path Settings I...

Feb 01, 2010 ~ Written by Vivek Gite
How do I display my current path settings under Linux / FreeBSD / OpenBSD / NetBSD / Apple OS X / UNIX like operating systems using bash or ksh or csh / tcsh shell?
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KVM: Starting / Stopping Guest Operat...

Jan 12, 2010 ~ Written by Vivek Gite
The virsh command can be used to mange local or remote guest operating systems. The program can be used to create, pause, and shutdown domains. It can also be used to list current domains.
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Linux / UNIX: tar Command Stay In Loc...

Nov 23, 2009 ~ Written by Vivek Gite
I\'d like to make / file system backup but the problem is there are other file systems mounted under / such as: /mnt/cdrom /mnt/nfs /iscsi /boot /var I\'d like to skip all other file systems mounted at / and only make backup of local / and not /boot, /var, /iscsi, and /mnt/cdrom etc. How do I force tar to (Read more...)
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sed Delete / Remove ^M Carriage Retur...

Nov 18, 2009 ~ Written by Vivek Gite
How can I remove the ^M or ^M (carriage Return / line feed ) from text file using sed under UNIX or Linux operating systems?
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UNIX Get An Alert When Disk Is Full

Aug 13, 2009 ~ Written by Vivek Gite
I want to get an alert when my disk is full under UNIX and Mac OS X? How do I set a a specified threshold and run the script via cron?
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FreeBSD / OpeBSD Running in KVM Does ...

Jul 05, 2009 ~ Written by Vivek Gite
I\'ve setup FreeBSD and OpenBSD under KVM. Everything works great except ftp protocol. I\'ve no firewall installed inside FreeBSD and OpenBSD. How do I configure Linux host KVM firewall to allow ftp traffic?
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FreeBSD Jail Add Multiple IPv4 / IPv6...

Apr 23, 2009 ~ Written by Vivek Gite
How do I add multiple IPv4 / Ipv6 inside jail?
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