How to install alternative audio player in Ubuntu?

How to install alternative audio player audacious in Ubuntu terminal?

Open the terminal (CTRL + ALT + T)

$ sudo apt-get install audacious

Audacious is an open source audio player

audacious home

How to clean unnecessary files in Ubuntu?

How to install bleachbit cleaner and clean unnecessary files in Ubuntu?

Open the terminal (CTRL + ALT + T)

$ sudo apt-get install bleachbit

and run bleachbit in ubuntu terminal

$ sudo bleachbit

With BleachBit you can free cache, delete cookies, clear Internet history, shred temporary files, delete logs, and discard junk you didn't know was there.

bleachbit home

How to install and scan virus with ClamAV?

How to install ClamAV and scan virus? - Ubuntu terminal

Open the terminal (CTRL + ALT + T)

$ sudo apt-get install clamav



Update virus database

$ sudo freshclam



How to scan virus?

$ sudo clamscan -r /

or 

$ sudo clamscan -r --bell -i /

for more options in ClamAV

$ sudo clamscan --help

/boot/initrd.img-3.13.0-106-generic: OK
/boot/grub/fonts/unicode.pf2: OK
/boot/grub/locale/en_GB.mo: OK
/boot/grub/locale/en_AU.mo: OK
/boot/grub/locale/en_CA.mo: OK
/boot/grub/gfxblacklist.txt: OK
/boot/grub/grub.cfg: OK
/boot/grub/i386-pc/setpci.mod: OK
/boot/grub/i386-pc/efiemu32.o: OK
/boot/grub/i386-pc/functional_test.mod: OK
/boot/grub/i386-pc/gcry_md4.mod: OK
/boot/grub/i386-pc/gcry_seed.mod: OK
/boot/grub/i386-pc/acpi.mod: OK
/boot/grub/i386-pc/mdraid09_be.mod: OK
/boot/grub/i386-pc/hfs.mod: OK
/boot/grub/i386-pc/tftp.mod: OK
/boot/grub/i386-pc/search_fs_uuid.mod: OK
/boot/grub/i386-pc/cpuid.mod: OK
/boot/grub/i386-pc/mdraid09.mod: OK
/boot/grub/i386-pc/gfxmenu.mod: OK
/boot/grub/i386-pc/minix3.mod: OK
/boot/grub/i386-pc/cmostest.mod: OK
/boot/grub/i386-pc/gcry_crc.mod: OK
/boot/grub/i386-pc/diskfilter.mod: OK
/boot/grub/i386-pc/command.lst: OK
/boot/grub/i386-pc/truecrypt.mod: OK
/boot/grub/i386-pc/legacy_password_test.mod: OK
/boot/grub/i386-pc/gettext.mod: OK
/boot/grub/i386-pc/echo.mod: OK
/boot/grub/i386-pc/hfsplus.mod: OK

/boot/grub/i386-pc/raid5rec.mod: OK
.....

How to get information about GPU?

How to get information about GPU in terminal? 

Open the terminal (CTRL + ALT + T)


$ sudo lshw -C display

*-display:0             
       description: VGA compatible controller
       product: Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 03
       width: 32 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:16 memory:ee000000-ee07ffff ioport:1800(size=8) memory:d0000000-dfffffff memory:ee100000-ee13ffff
  *-display:1 UNCLAIMED
       description: Display controller
       product: Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2.1
       bus info: pci@0000:00:02.1
       version: 03
       width: 32 bits
       clock: 33MHz
       capabilities: pm cap_list
       configuration: latency=0

       resources: memory:ee080000-ee0fffff

How to get the actual number of cores?

How to get the actual number of CPU cores?

Open the terminal (CTRL + ALT + T)


$ cat /proc/cpuinfo | grep processor | wc -l

1



$ cat /proc/cpuinfo | grep 'core id'


core id : 0

How to find CPU information?

How to find CPU information in ubuntu linux?

Open the terminal (CTRL + ALT + T)

$ cat /proc/cpuinfo

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 14
model name : Intel(R) Celeron(R) M CPU        440  @ 1.86GHz
stepping : 12
microcode : 0x54
cpu MHz : 1861.983
cache size : 1024 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fdiv_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx constant_tsc arch_perfmon bts aperfmperf pni monitor tm2 xtpr pdcm dtherm
bogomips : 3723.96
clflush size : 64
cache_alignment : 64
address sizes : 32 bits physical, 32 bits virtual

power management:

How to check RAM in Ubuntu Linux?

How to check RAM size in Ubuntu Linux?

Open the terminal (CTRL + ALT + T)


$ free -m

      total    used      free       shared     buffers     cached
Mem:  2006     1534      472        235        24          930
-/+ buffers/cache:        578       1428

Swap:            0          0          0


$ grep MemTotal /proc/meminfo

MemTotal:        2054932 kB