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linux server

SSH System Bootup In Progress Please Wait Error and Solution

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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Connect A Linux Server To A Windows Server 2003 or 2008 / Vista / XP Computer

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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Can RAID Act As The Reliable BACKUP Solution For Linux / UNIX / Windows Server?

Q. Can I use RAID as the only backup solution under Linux? Is RAID is reliable backup solution for server?
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How do I know When I Need To Update My Linux System Software?

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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Ubuntu Linux Disable control-alt-delete [CTRL-ALT-DEL] Emergency Keypress Handling

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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How To Test Linux Operating System for IPv6 Networking Support

Q. Before I can start using IPv6 on a Linux server, how do I test, whether my Linux server system is IPv6 ready or not? If not, how do I enable IPv6 support under Redhat Enterprise Linux version 5?
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How to: Find Out Whether a UNIX / Linux Process Is Running or Not

Q. I’d like to find out if httpd / mysqld or sshd process is running or not under CentOS Linux server. How do I determine whether a process is running or not?

A. You need to use following commands:

[a] ps – It report a snapshot of the current processes

[b] grep – Filter out process names

Find out if sshd is Process is Running or Not

Type the following command at shell prompt:
$ ps -ewwo pid,args | grep [s]sh

5341 /usr/sbin/sshd
 5864 /usr/bin/ssh-agent x-session-manager
 6289 ssh oldbox
 7126 ssh admin@core.r1.vsnl.router 


  • ps : Command name
  • -ewwo pid,args : -e option force to select all running processes. -o option is used to specify user-defined format. In our case we are forcing to display only program pid and its arguments. Finally -w option specifies wide output. Use this option twice for unlimited width.
  • grep [s]sh : We are just filtering out sshd string