How do I monitor disk I/O latency in real time on Linux, FreeBSD, OpenBSD, and MacOS operating system?
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How to find disk I/O latency with iop...
How do I monitor disk I/O latency in real time on Linux, FreeBSD, OpenBSD, and MacOS operating system?
Linux / Unix: Show Shares on NFS Serv...
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?
Could not chdir to home directory /ro...
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...)
Unix / Linux: Find Information About ...
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?
Unix / Linux: Find Information About ...
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...)
Linux / Unix: Cat Command Examples
How do I use cat command on Linux or Unix-like operating systems?Read answer to: \"Linux / Unix: Cat Command Examples\"
Screen Command: Set Baud Rate [ Termi...
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 ]\"
UNIX / Linux: HowTo Use unison File S...
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 [...]
FreeBSD: Permanently Delete / Remove ...
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...)
[ERROR] /usr/local/libexec/mysqld: un...
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?
Bash Shell Find Out If A Command Exis...
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?
HowTo: Linux / Unix Move Directory Up...
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?
Linux/UNIX: Move File Starting With A...
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)?
HowTo: Display / Echo Path Settings I...
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?
KVM: Starting / Stopping Guest Operat...
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.
Linux / UNIX: tar Command Stay In Loc...
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...)
sed Delete / Remove ^M Carriage Retur...
How can I remove the ^M or ^M (carriage Return / line feed ) from text file using sed under UNIX or Linux operating systems?
UNIX Get An Alert When Disk Is Full
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?
FreeBSD / OpeBSD Running in KVM Does ...
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?
FreeBSD Jail Add Multiple IPv4 / IPv6...
How do I add multiple IPv4 / Ipv6 inside jail?
