IT-Tips
How To Change User’s Password in Linux
When creating new user accounts under linux, new users are given with unassigned password fields, represented by double !! marks. The field format of /etc/passwd and /etc/shadow files in linux OS have been covered previously here. If you wish to change a user password, read on. Change User’s Default Password in Linux If you have [...]
How To Change User’s Default Shell
Changing specific shell type for linux users can be done in several ways using linux terminal commands. When you examine the file /etc/passwd linux file, the default shell type can easily be determined by looking at the last field of the line. For example, if we wish to view john’s default shell account type, simply [...]
How To Install TuxPuck Reflexive Mouse Game
Most PC games that are available today require user skills to be analytical, logical and skillful attacking the opponent in many various ways using a wide array of keyboard key combination commands. Here’s a very simple, easy, reflexive and addicting linux game that you can install into your PC desktop to atleast kill time while [...]
How To Extend MyISAM Table Size Limitation
By default, MySQL server only allows a 4GB limitation to MyISAM table size. This prevents further increase of MyISAM table size and thus generates a table full MySQL error. To surpass this limit, here’s a quick MySQL tweak to increase the default table size limitation. Increase MyISAM Table Size Limit Backup and edit /etc/my.cnf and [...]
How To Monitor Bandwidth Usage Per Application Process and Thread
Typically, a linux bandwidth monitoring software measures and graphs internet bandwidth consumptions. These bandwidth consumptions are then grouped and classified to different types of usage views. Usage views of bandwidth graphs are then presented on a wide variety of presentation types, depending on bandwidth monitoring features. These can be per hosts, IP address, subnet network, [...]
How To Identify The Passed Kernel Parameter After Rebooting
Kernel by default can accept kernel parameter to extend and modify its kernel parameter modules and kernel options. This can be done initially during the process of boot selection before bootup process. But, what if the server is currently running and you wish to determine the submitted kernel parameters from the last bootup sequence. Here’s [...]
How To Monitor Linux System Latency
Latency monitoring can also be done in linux specially in Fedora. Latency is a big part of monitoring ethics as the latency is always being checked, not only between two hosts but also from inside the server itself. Here’s a quick post on how to monitor system latency from your linux box. What is LatencyTop? [...]
How To Monitor and Measure HTTP Latency
The highest part of linux system administration tasks are making use of widely available linux and free open source software be fully part of sysad job accomplishment and functions, with the use of linux resources around. Here’s a quick entry on how to monitor and measure HTTP or website latency. Introducing HTTP_PING In a simple [...]
How To Do HTTP 301 Redirection using PHP and Perl
At times, a permanent HTTP 301 redirection is needed to redirect a website location to another. Permanent redirection via HTTP 301 is advised on website redirection where an old link or website needs to be redirected to another website domain or website location. In short, HTTP 301 code tells user-agents that the current location has [...]
How To Show Expiration Date of Linux User Account
A basic thing to do on flat file linux user account authentication is to identify its account expiration date. Most conventional linux setup makes use of flat file system authentication. This type of authentication makes use of /etc/passwd, and /etc/shadow files mainly, including the user group file /etc/group . Here’s a real quick on how [...]
How To Find Your Current Host ID
A host ID is a unique identifier of your computer hosts. This host ID is particualrly used for unique host’s computer identification. The concept of using this unique host identifier enables most commercial software companies to ahve additional identification function to their commercial softwares. Commercial software can lock license based on this unique host or [...]
How To Find Volume Name From Terminal
ISO-9660 file system usually carries a volume name identifier called volume name. One typical ISO-9660 file system is CD-ROM. CD-ROM normally carries this CD volume name embedded from the disk. These volume name can easily be retrieved in linux via terminal. Here’s a quick post on how to find the volume name of ISO-9660 file [...]