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linux server

Red Hat / CentOS: Swap / Change Ethernet Aliases

Q. My Ethernet aliases are randomly switched and they are bound to the wrong interface. My eth0 became eth1 and eth1 become eth0. This is causing all sort of trouble for services and firewall configurations. How do I swap back and make sure Ethernet aliases works correctly under CentOS Linux server?
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Red Hat / CentOS: Check / List Running Services

Q. How do I list all currently running services in Fedora / RHEL / CentOS Linux server?
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Q. I've Debian Linux server and whenever someone trying to ssh into this box, they get an error as follows and server closes the connection:

System bootup in progress -please wait

How do I fix this problem and allow ssh login?
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Q. I've made changes / updates to my /etc/inittab file to configure init process to start with agetty. init reads the /etc/inittab configuration file at the time of system boot. How do I re-read this file without rebooting my Linux server?
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Q. Can you connect a Linux server to a Windows server 2003 or Windows server 2008 for sharing files and printer? Can you access files stored on Windows server from Linux server?
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Q. Can I use RAID as the only backup solution under Linux? Is RAID is reliable backup solution for server?
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Q. How do I know when I need to update my Linux system? How do I know new patches are available for CentOS Linux (Red Hat) / Debian Linux server system?
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Q. How do I delete control-alt-delete emergency keypress handling to improve security of my Ubuntu Linux server?
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Reboot Linux System Command

How do I reboot my Linux based system? How do I reboot a remote Linux system or server using command line?
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Debian Linux Stop Iptables Firewall

H do I stop Iptables firewall under Debian Linux server system?
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