To remove IP blocked by firewall when you use APF, just follow this steps.
1. Open console
2. Type pico /etc/apf/deny_hosts.rules
3. Remove IP block by press “CTRL+K”
4. Type apf -r to restart firewall
Thats all.
Popularity: 2% [?]
Tags: apf, firewall

Popularity: 2% [?]

Currently 1 of the server under my monitoring is down. I check it and found that the httpd service cannot be started.
When i try to restart the service, it give me the following error:
(98)Address already in use: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
Unable to open logs
I ran this command [...]

Popularity: 75% [?]

When the first time you installed Ubuntu, there is no password for root account. You have to set it first for a security reason.
You must type “sudo passwd”
hostmaster@hostmaster-desktop:~$ sudo passwd
[sudo] password for hostmaster:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
To login as root, type “su”
hostmaster@hostmaster-desktop:~$ su
Password:
root@hostmaster-desktop:/home/hostmaster#
The “#” indicate that you are login as [...]

Popularity: 17% [?]

It is so easy for you to connect to remote server via console and use ssh.
This command use custom port:
ssh -p 6298 root@128.128.158.128
Popularity: 8% [?]
Tags: command, remote, root, Server

Popularity: 8% [?]

The most complete and updated list of commands on linux - over 350 commands divided into arguments!
read more | digg story
Popularity: 3% [?]
Tags: command, digg, GUI, Linux, nix, UNIX, X

Popularity: 3% [?]