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Viewing 31-40 of 111 FAQ -

Linux Setting up a software RAID1 system for a complete mirror
Q. How do I setup a software RAID1 system for a complete mirror? I am using Cent OS Linux distribution,
A. You can setup a software RAID during installation. However for some reason if you cannot setup RAID 1 during installation, then consider reading this tutorial. It explains how to setup a RAID 1 on a [...]
Disable graphical GRUB splash screen
Q. I don’t like the graphical GRUB splash screen provided by SUSE Linux. How do I disable graphical GRUB splash screen?
A. You can disable your graphical splash or boot screen. All you need to do is edit the grub.conf or grub.lst file located at /boot/grub/grub.conf
Open grub.conf using text editor:
# vi /boot/grub/grub.conf
Now find the line which [...]
Iptables setup masquerading for Linux firewall
Q. How do I setup masquerading for my Linux iptables firewall? What rules I need to apply or write?
A. Iptables is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel. Several different tables may be defined. [...]
Qmail allow email from my own domain (particular domain) only
Q. How do I allow receiving email from my own domain only? I am using Qmail mail server software under Fedora Core Linux.
A. You can change the behavior of the qmail system by modifying qmail’s control files. This is essential as you do not want to become a source of open mail relay. [...]
Qmail delivering mail ~/Mailbox home directories
Q. I have installed and configured qmail successfully. Everything is working fine except that mail for loacal user can not be read using mail command. How do I fix this problem?
A. If you are delivering mail into ~/Mailbox for each user instead of /var/mail directory, you need to setup few things so that mail can [...]
Analog Input: Cannot display this video mode error and solution
Q. I am getting following error:
Analog Input: Cannot display this video mode.
What is the meaning of this error and How do I fix it?
A. This error indicates that current monitor refresh rate is not correct i.e out of monitor range. You need to consult monitor manufacturer to get correct refresh rate values (visit web site [...]
Default username created during a new installation of Linux?
Q. I am new to Linux. After installing Fedora Core 4, it is prompting for username and password at GUI window Login screen. I donâ€™t want to install Linux again. What is the default username created during a new installation of Fedora Core Linux?
A. It is created for system admin account called root and the [...]
Linux performance tools to troubleshoot problem
Q. I am new to Linux. What tools or commands are recommended to troubleshoot performance related problems?
A. Following are the basic or essential tools that every Linux or UNIX system admin should be aware of:
a) top
b) sar
c) vmstat
d) iostat
e) free
top command
The top program provides a dynamic real-time view of a running system. It can [...]
Linux Move a print job from one queue to another
Q. I have two queues. Under Windows it is very easy to move a print job from one queue to another. But how do I move a print job from one queue to another under Linux computer or server?
A. You need to use lpmove command which is use to move a job or all jobs [...]
Warning, got duplicate tcp line - netstat error and solution
Q. Whenever I run netstat command it bumps be back with an error, which read as follows:
tcp 0 0 ip-201-19-xxx-xxx.ip.s:http adsl-71-129-54-230.dsl:2249 TIME_WAIT
tcp 0 0 ip-201-19-xxx-xxx.ip.s:http ca-dstreet-cuda3-c6a-5:4380 TIME_WAIT
tcp [...]