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VIM Map
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backup
Recover VMs with corrupt snapshots
By Ather Beg 1 19052 Consulting throws up many challenges during the design and implementation stages but none more than the actual environment integration. Being at the ‘coal face’ invariably provides a point at which things don’t always go to plan and it’s this real world experience that
backup
Removing Netbackup Server Software From Unix
To remove NetBackup from UNIX servers 1 Log on as the root user on the server. 2 Perform a catalog backup. 3 If the NetBackup Administration Console is open, you must close it now. 4 Save all important data from any add-on products that you have installed. 5 Stop
Dell
How to check the Dell PERC RAID rebuild status with MegaCli command line
Example: The IPStorTeamStorage server no web service for RAID HBA management. For query the RAID volume status, we can using the MegaCli command line. 1. Filter the disk status as rebuild in all of physical disks /opt/MegaRAID/Megacli/MegaCli64 -PDList -aAll |egrep 'Adapter|Enclosure|Slot|Firmware" 2.
write指令；向針定的人員發出訊息,mesg指令；talk指令
* wall指令 * 將向系統的所有用戶發送關資訊 * write指令 * 向root用戶發送一個訊息 * write root Hello ! My name is canred. 按下ctrl+c退出 * * write test 1 "Hello" * mesg指令 * 用來拒絕收到訊息(非root)，root用戶發出來的不可以拒絕 * talk指令；要先啟動talkd 服 * vim etc/xinetd.d/ntalk * 要修改disable = no * service xinetd restart * talk test1@localhost tty2
Server
記錄檔設定 syslog , logrotate 介紹
copy from http://canred.blogspot.tw/2013/03/logrotate.html 在各種作系統中有，有效的紀錄是不可缺的，記錄可以讓我們知道事件發生的過程，以及系統處理的方式。對於記錄，我們必須針對性質與嚴重性加以分類，而紀錄在特定的檔案之中。 * syslog.conf * /etc/syslog.conf 是 syslogd 這個常駐程式的主要設定檔，它可以記錄linux的系統資訊，並且分類紀錄到各個檔案之中。 * 每一個規則包含2個欄位，第1個欄位是訊息的種類，第2個欄位是動作，也就是記錄的方式。2個欄位中間可用空白或是<tab>鍵分隔。以#開頭的一行會被忽略。訊息的種類當中，包含了2個資訊，1是訊息的種類，另1個是嚴重性，當者以 . 分隔；如下所示 * mail.none * 訊息的種類包含了下列的關鍵字。auth,authpriv,
Network
Top 3 IP Scanners for Linux
Copy from link http://www.itswapshop.com/articles/top-3-ip-scanners-linux Unlike port scanners, which scan for open ports, IP scanners simply try to find hosts that are alive on a network. If you are searching for IP scanners for Windows, you will surely find an abundant supply
configuration
From Password Recovery Procedure for the Cisco 2600 and 2800 Series Routers.
1. Connect Console Cable 2. Start minicom 3. Configure Serial Communication Settings for minicom 4. Reset Cisco Password Connect Console Cable 1. Connect the serial cable to the PC and to the device's Console port Start minicom 1. Start minicom from a terminal window minicom Configure Serial Communication
configuration
Password Reset Dell Powervault MD3200i
The Dell PowerVault MD3200i is an iSCSI SAN device. It comes with two raid controller each with it’s own management network interface, located on the back of the unit. Generally speaking, most management of the unit is done through the “Dell Modular Disk Storage Manager” application. Problems can arise
Dell
解決「伺服器的暫時 Diffie-Hellman 公開金鑰不足」
今日打開 Chrome 瀏覽器（版本 45.0.2454.85 m）瀏覽公司內部資訊系統，發現有很多 HTTPs 網站都出現「伺服器的暫時 Diffie-Hellman 公開金鑰不足 (ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY)」的警告，而且 Chrome 為了確保連線通訊的安全性，強制不允許存取這些不安全的網站。 無獨有偶，本人開發的一個小系統網站竟然也中獎了，被 Chrome 判定不安全，而無法存取。還好，網路上很容易就找到相關資訊，花了幾分鐘就把這資安問題解決了。解決方法非常簡單，以 Tomcat 6.0 版本為例，只需修改/conf/server.xml 檔案，將
Troubleshooting
Displaying RHEL 6 Applications Remotely (X11 Forwarding)
In Remote Access to the RHEL 6 Desktop we looked at how to display the entire Red Hat Enterprise Linux 6 desktop on a remote computer. Whilst this works well if you actually need to remotely display the entire desktop, it could be considered overkill if all you want to
configuration
Brocade FC Switch - Forcing the domain ID on a switch
here are TWO Principal Manuals. The Command Reference Manuals, and the Fabric OS Administrator Guide. First at all, go to http://learning.brocade.com and register. Here are a lot of Course and DOC which can be very helpfull for you. Some are for Free, see as example for FC