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Configure NFS Server and Client Configuration on Ubuntu 14.04
Friday, August 08, 2014 @ 11:20:31 UTC by lbadmin (512 reads)
Ubuntu Linuxgg234 writes
NFS was developed at a time when we weren't able to share our drives like we are able to today -- in the Windows environment. It offers the ability to share the hard disk space of a big server with many smaller clients. Again, this is a client/server environment. While this seems like a standard service to offer, it was not always like this. In the past, clients and servers were unable to share their disk space. Thin clients have no hard drives and thus need a "virtual" hard-disk. The NFS mount their hard disk from the server and, while the user thinks they are saving their documents to their local (thin client) disk, they are in fact saving them to the server. In a thin client environment, the root, usr and home partitions are all offered to the client from the server via NFS. Full Story

(comments? | Score: 0)

Directly SSH to Hosts with LAN IPs Through the Gateway
Thursday, June 26, 2014 @ 12:37:30 UTC by lbadmin (685 reads)
ericzma writes
Directly SSH to Hosts with LAN IPs Through the Gateway: We have many hosts with internal/LAN IPs like 10.0.3.* behind a gateway, say gateway.example.org and the hosts with LAN IPs can connect to the Internet through the gateway. We used iptables to forward port from the gateway to internal IPs so that users from hosts with Internet connections, say user.example.org, can SSH to the gateway?s forwarded port to log on the internal hosts. However, there should be rules added for these hosts and the users need to connect to these non-standard (not 22) ports of the gateway that may be blocked by firewalls of their network. Continue reading: Directly SSH to Hosts with LAN IPs Through the Gateway at Fclose.com.

(Read More... | 1 comment | Score: 0)

Making Thunderbird Not Wrap Lines Automatically
Wednesday, June 11, 2014 @ 11:38:03 UTC by lbadmin (599 reads)
ericzma writes
Making Thunderbird Not Wrap Lines Automatically: It seems thunderbird automatically wrap lines by 72 characters. How to make thunderbird not wrap lines automatically? Continue reading: Making Thunderbird Not Wrap Lines Automatically at Fclose.com.

(Read More... | 11 comments | Score: 0)

Git through SSH Tunnel as Proxy
Wednesday, June 11, 2014 @ 11:37:56 UTC by lbadmin (1045 reads)
ericzma writes
Git through SSH Tunnel as Proxy: git is a great tool and it is common to have a git server over SSH possibly managed by gitolite. However, there are situations that we can not directly connect to the git server but be able to SSH to another node that can connect to the git server. The git server may allow only internal connections because of security. With the node that we can SSH to, we can still use the git server ?directly? by setting up a SSH tunnel as a proxy for the git connection. Continue reading: Git through SSH Tunnel as Proxy at Fclose.com.

(Read More... | 10 comments | Score: 0)

Catching the Signal Sent by Kill in C on Linux
Wednesday, June 11, 2014 @ 11:37:50 UTC by lbadmin (583 reads)
ericzma writes
Catching the Signal Sent by Kill in C on Linux: Programs may want to catch the kill signals sent by the kill command in C programs on Linux so that it can gracefully shutdown itself before it is killed. For example, I have a daemon progd running, and it may be killed by pkill progd. The progd may want to save some in-memory state to disks because otherwise that data will be lost. The question is how to catch the signal sent by the kill command and response to it in the programs implemented in C on Linux? Continue reading: Catching the Signal Sent by Kill in C on Linux at Fclose.com.

(Read More... | 11 comments | Score: 0)

Linux: Directly SSH to Hosts with LAN IPs Through the Gateway
Wednesday, June 11, 2014 @ 11:37:44 UTC by lbadmin (608 reads)
ericzma writes
Linux: Directly SSH to Hosts with LAN IPs Through the Gateway: We have many hosts with internal/LAN IPs like 10.0.3.* behind a gateway, say gateway.example.org and the hosts with LAN IPs can connect to the Internet through the gateway. We used iptables to forward port from the gateway to internal IPs so that users from hosts with Internet connections, say user.example.org, can SSH to the gateway?s forwarded port to log on the internal hosts. However, there should be rules added for these hosts and the users need to connect to these non-standard (not 22) ports of the gateway that may be blocked by firewalls of their network. Continue reading: Linux: Directly SSH to Hosts with LAN IPs Through the Gateway at Fclose.com.

(Read More... | 10 comments | Score: 0)

Linux: Improving ssh/scp Performance by Choosing Suitable Ciphers
Sunday, April 27, 2014 @ 20:11:31 UTC by lbadmin (1282 reads)
ericzma writes
Linux: Improving ssh/scp Performance by Choosing Suitable Ciphers: ssh/scp are convenient and handy tools on Linux. Is it possible to further improve its speed/performance, especially when transferring files that are large (GBs, not MBs or KBs)? The answer is of course yes. Continue reading: Linux: Improving ssh/scp Performance by Choosing Suitable Ciphers at Fclose.com.

(Read More... | 6 comments | Score: 0)

How to make xterm display Chinese characters?
Wednesday, April 09, 2014 @ 14:26:27 UTC by lbadmin (1142 reads)
ericzma writes
How to make xterm display Chinese characters?: How to make xterm display Chinese characters? It just displays some small rectangles for Chinese characters. Continue reading: How to make xterm display Chinese characters? at Fclose Asked Questions.

(Read More... | 12 comments | Score: 0)

How to back up a complete IMAP account?
Wednesday, April 09, 2014 @ 14:26:22 UTC by lbadmin (1024 reads)
ericzma writes
How to back up a complete IMAP account?: I have a large IMAP email account which contains many emails in a rich structure of directories. How to back up the whole IMAP account to my local computer? The requirements: Continue reading: How to back up a complete IMAP account? at Fclose Asked Questions.

(Read More... | 14 comments | Score: 0)

Making Emacs Startup Faster
Wednesday, April 09, 2014 @ 14:26:17 UTC by lbadmin (924 reads)
ericzma writes
Making Emacs Startup Faster: I use Emacs in terminals and start/close Emacs frequently as needed like in a file checking-editing-closing loop. However, Emacs seems take some time to start up especially some heavy modes are used. How to make Emacs start up faster? Continue reading: Making Emacs Startup Faster at Fclose.com.

(Read More... | 12 comments | Score: 0)

  




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