The Volume Management daemon, vold, creates and maintains a file system image rooted at root-dir that contains symbolic names for CD-ROM and floppy, ZIP/JAZ, and DVD-ROM devices and other removable devices. Use volcheck command to checks for media in a drive and by default checks all floppy media. 1) Put zip/jaz disk into drive 2) [...]
In many cases, the GRUB boot loader can mistakenly be deleted, corrupted, or replaced by other operating systems. The following steps detail the process on how GRUB is reinstalled on the master boot record: Boot the system from an installation boot medium. Type linux rescue at the installation boot prompt to enter the rescue environment. Type chroot [...]
You need to use pkgrm command which will remove a previously installed or partially installed package from the system. A check is made to determine if any other packages depend on the one being removed. If a dependency exists, the action taken is defined in the admin file. The default state for the command is [...]
IA32: To boot system for emergency mode (boot from CD) 1) Boot from Solaris 1st CD 2) At Solaris Device Configuration Assistant, Press F2 key 3) Then press ENTER key twice 4) At Identified Devices, Press F2 key 5) At Boot Solaris, select CD to boot system 6) At next screen system will ask about [...]
#!/bin/bash # Shell script to find all programs and scripts with setuid bit set on. # If your system ever cracked (aka hacked) then system has this kind of binary # installed; besides the normal setuuid scripts/programs # # *TIP* # User directory /home and webroots such as /www canbe mounted with # nosuid option. [...]
The Windows 7 operating system, like its predecessors Windows Vista and Windows XP, hides certain files by default. This is largely done to protect system and application files from users who may attempt to delete or modify them. There are four different hide options in Window 7: protected operating system files, files and folders with [...]
How do I install memcached a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load under CentOS / RHEL / Fedora / Redhat Linux? Memcached is very fast caching system for MySQL. It uses libevent or epoll (Linux runtime) to scale [...]
IA32 system: 1) At boot, prompt type b –s : To boot system into single mode b –a : To boot system step-by-step i.e. interactively. SPARC System: 1) At Ok, prompt type: boot –s : To boot system into single mode boot –a : To boot system step-by-step i.e. interactively Incoming search terms:how to start [...]
Have you ever wondered why shutdown account exists on Linux server, especially under Red Hat Enterprise Linux distribution? The answer is quite simple – shutdown account can shutdown server. Here is how you can enable the shutdown account: 1) Login as a root user . 2) Setup password for the shutdown account: # passwd shutdown [...]
When you install any version of the Windows operating system, a part of the installation procedure prompts you to enter the user’s name and the name of the user’s company. This registration information is stored in the registry and can be changed by carefully editing the data with the Registry Editor. However, not everyone is [...]
