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Currently Browsing: System administration

Faulting module name: mfmp4srcsnk.dll 0

Posted on 2, April 2015

in Category System administration

It will crash you File Explorer along with Media Player, particularly if viewing folders directly or indirectly which have MOV files within them. Solution is to remove the following 4 updates: KB2975719 KB2995388 KB3000850 KB3013769 Restart after removing each update! Uninstall them properly, reboot after every uninstall otherwise the attempt to uninstall will fail and you’ll think the solution isn’t working while in fact it works! Stop installing updates automatically!   &nbsp

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Apple Mail To Do label with Gmail 0

Posted on 7, March 2013

in Category System administration

Open Mail.app and visit your account preferences (CMD-,) and select the Mailbox Behaviors tab for your gmail account. Uncheck the field that says ‘Store notes in Inbox’ Quit Mail.app. Don’t use the red Close button, but quit completely with CMD-Q. Go to gmail.com and delete the Apple Mail To Do label from the Settings | Labels tab. Restart Mail.app and refresh gmail to notice that the pesky label is no longer there

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Samba, write with 777 permissions 0

Posted on 7, March 2013

in Category System administration

Samba is a Linux service wich allows to access a Linux disk* from a Microsoft Windows machine. *or Hard-drive partition, whatever you call it. Following problem happens when working on a Samba-mounted share from windows: the user and owner of a directory-tree are user1 grp1 (e.g. drwxrwx— karin home_users … mydir) user sven edits the file index.html from Windows XP using Ultraedit. The result is: -rwxr–r– 1 sven sven 4881 Nov 6 09:14 index.html -rwxrwx— 1 karin home_users 4883 Nov 4 07:12 index.html.bak Ultraedit has moved index.html to index.html.bak and created a new index.html. The creation of the new file lead to changes in the ACLs and [&hellip

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Ubuntu, from DHCP to static IPs 0

Posted on 7, March 2013

in Category System administration

Open network configuration file $ sudo vi /etc/network/interfaces OR $ sudo nano /etc/network/interfaces Find and remove dhcp entry: iface eth0 inet dhcp Append new network settings: iface eth0 inet static address 192.168.1.100 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.254 Save and close the file. Restart the network: $ sudo /etc/init.d/networking restart Task: Define new DNS servers Open /etc/resolv.conf file $ sudo vi /etc/resolv.conf You need to remove old DNS server assigned by DHCP server: search myisp.com nameserver 192.168.1.254 nameserver 202.54.1.20 nameserver 202.54.1.30 Save and close the file

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Custom Windows 95, 98 boot menu 0

Posted on 7, March 2013

in Category System administration

The DOS start-up procedure is defined in the autoexec.bat and config.sys files located in the root of your “C:\” drive. We highly recommend making back up copies of these files before modifying them. To deactivate a line of command in either file just place the “rem” (remark) command at the beginning of the line, there is no need to delete the entire line. <h2>Config.sys</h2> The config.sys file is a text file which loads device drivers and defines parameters for MS-DOS. <ul> <li>device is used to load device drivers</li> <li>devicehigh loads the driver into the high memory area</li> <li>dos defines the [&hellip

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Generate TLS or SSL certificate for Cyrus Imapd 0

Posted on 7, March 2013

in Category System administration

If you want to enable Cyrus’ TLS/SSL facilities, you have to create a certificate first. This requires an OpenSSL installation openssl req -new -nodes -out req.pem -keyout key.pem openssl rsa -in key.pem -out new.key.pem openssl x509 -in req.pem -out ca-cert -req \ -signkey new.key.pem -days 999 mkdir /var/imap cp new.key.pem /var/imap/server.pem rm new.key.pem cat ca-cert &gt;&gt; /var/imap/server.pem chown cyrus:mail /var/imap/server.pem chmod 600 /var/imap/server.pem # Your key should be protected echo tls_ca_file: /var/imap/server.pem &gt;&gt; /etc/imapd.conf echo tls_cert_file: /var/imap/server.pem &gt;&gt; /etc/imapd.conf echo tls_key_file: /var/imap/server.pem &gt;&gt; /etc/imapd.conf

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Server ports 0

Posted on 7, March 2013

in Category System administration

TCP Port Application 7 Echo – for Ping. 20 FTP data port – for active FTP connections. 21 FTP command 23 Telnet 25 SMTP 42 WINS 53 DNS 79 Finger 80 HTTP (web server) 110 POP3 119 NNTP 135 (Microsoft Windows) DCOM Service Control Manager / Remote Procedure Call service. 161 SNMP 162 SNMP Trap 443 SSL HTTP. Default port for Secure Socket Layer communications for Web servers (Secure HTTP). 444 SharePoint uses for SSL HTTP. 465 SSL SMTP 993 SSL IMAP 995 SSL POP 1433 Microsoft SQL-Server. 1521 Port on which the Oracle RDBMS Listener service listens for new [&hellip

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Cisco Tutorial 0

Posted on 7, March 2013

in Category System administration

Step 1 To reboot the FWSM into the maintenance partition, enter the following command at the switch prompt: Router# hw-module module mod_num reset cf:1 Step 2 To session in to the FWSM, enter the following command: Router# session slot mod_num processor 1 Step 3 Log in as root by entering the following command: Login: root Step 4 Enter the password at the prompt: Password: The default password is “cisco”. Step 5 Change the root password by entering the following command: root@localhost# passwd Step 6 Enter the new password at the prompt: Changing password for user root New password: Step 7 [&hellip

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Install Nagios 0

Posted on 7, March 2013

in Category System administration

yum install httpd php yum install gcc glibc glibc-common yum install gd gd-devel 1) Create Account Information Become the root user. su -l Create a new nagios user account and give it a password. /usr/sbin/useradd -m nagios passwd nagios Create a new nagcmd group for allowing external commands to be submitted through the web interface. Add both the nagios user and the apache user to the group. /usr/sbin/groupadd nagcmd /usr/sbin/usermod -a -G nagcmd nagios /usr/sbin/usermod -a -G nagcmd apache 2) Download Nagios and the Plugins Create a directory for storing the downloads. mkdir ~/downloads cd ~/downloads Download the source code [&hellip

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Cisco switch tutorial 0

Posted on 7, March 2013

in Category System administration

Sw1(config)#enable secret Sw1(config)#enable password Sw1(config)#line vty 0 15 Sw1(config-line)#password Sw1(config-line)#login Sw1(config-line)#line con 0 Sw1(config-line)#password For router Router(config)# enable secret Router(config)#enable secret Router(config)#line vty 0 4 Router(config-line)#password Router(config-line)#login Router(config-line)#line con 0 Router(config-line)#password For PIX PIX(config-line)#line con 0 PIX(config-line)#password PIX# enable password PIX#password

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Cisco router, switch tutorial 0

Posted on 7, March 2013

in Category System administration

Cisco Router Configuration Commands Requirement Cisco Command Set a console password to cisco Router(config)#line con 0Router(config-line)#loginRouter(config-line)#password cisco Set a telnet password Router(config)#line vty 0 4Router(config-line)#loginRouter(config-line)#password cisco Stop console timing out Router(config)#line con 0Router(config-line)#exec-timeout 0 0 Set the enable password to cisco Router(config)#enable password cisco Set the enable secret password to peter.This password overrides the enable password and is encypted within the config file  Router(config)#enable secret peter Enable an interface Router(config-if)#no shutdown To disable an interface Router(config-if)#shutdown Set the clock rate for a router with a DCE cable to 64K Router(config-if)clock rate 64000 Set a logical bandwidth assignment of 64K to the [&hellip

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Mac OS X effects 0

Posted on 7, March 2013

in Category System administration

Make Screen Saver as Desktop Background /System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine -background &amp; This will make your desktop background as your initial screen saver. After you’ve entered that one line of command, Terminal will you the process ID. For example, [1] 478, which 478 is the process ID. kill PID 478 As shown in example above, the process ID is 478. Therefore, in order to stop using screen saver as desktop wallpaper, the above one line of command is used. Note : 478 is the process ID. Here is the easiest way to end this : Quitting Terminal. Cling Dashboard Widget into Desktop Background [&hellip

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