Maswali 10 ya Mahojiano na Majibu juu ya Amri Mbalimbali katika Linux

Makala yetu ya mwisho, Maswali 10 Muhimu ya Mahojiano ya SSH yalithaminiwa sana kwenye tovuti mbalimbali za Mitandao ya Kijamii na vile vile kwenye Tecmint. Wakati huu tunakuletea Maswali 10 kuhusu amri mbalimbali za Linux. Maswali haya yatathibitika kuwa ya kujadili wewe na nitaongeza kwa maarifa yako ambayo hakika yatakusaidia katika mwingiliano wa kila siku na Linux na katika Mahojiano.

Syntax ya amri chattr, kwa madhumuni ya hapo juu ni:

# chattr +i virgin.txt

Sasa jaribu kuondoa faili kwa kutumia mtumiaji wa kawaida.

$ rm -r virgin.txt 

rm: remove write-protected regular empty file `virgin.txt'? Y 
rm: cannot remove `virgin.txt': Operation not permitted

Sasa jaribu kuondoa faili kwa kutumia mzizi mtumiaji.

# rm -r virgin.txt 

cannot remove `virgin.txt': Operation not permitted
# apt-get install acct

# ac -p 

(unknown)                     14.18 
server                             235.23 
total      249.42
# apt-get install mrtg
# biosdecode 

# biosdecode 2.11 

ACPI 2.0 present. 
	OEM Identifier: LENOVO 
	RSD Table 32-bit Address: 0xDDFCA028 
	XSD Table 64-bit Address: 0x00000000DDFCA078 
SMBIOS 2.7 present. 
	Structure Table Length: 3446 bytes 
	Structure Table Address: 0x000ED9D0 
	Number Of Structures: 89 
	Maximum Structure Size: 184 bytes 
PNP BIOS 1.0 present. 
	Event Notification: Not Supported 
	Real Mode 16-bit Code Address: F000:BD76 
	Real Mode 16-bit Data Address: F000:0000 
	16-bit Protected Mode Code Address: 0x000FBD9E 
	16-bit Protected Mode Data Address: 0x000F0000 
PCI Interrupt Routing 1.0 present. 
	Router ID: 00:1f.0 
	Exclusive IRQs: None 
	Compatible Router: 8086:27b8 
	Slot Entry 1: ID 00:1f, on-board 
	...
	Slot Entry 15: ID 02:0c, slot number 2
# dmidecode

Matokeo ya dmidecode ni pana. Itakuwa wazo nzuri kuelekeza pato lake kwa faili.

# dmidecode > /path/to/text/file/text_file.txt
$ ldd /bin/echo 

linux-gate.so.1 =>  (0xb76f1000) 
libc.so.6 => /lib/i386-linux-gnu/i686/cmov/libc.so.6 (0xb7575000) 
/lib/ld-linux.so.2 (0xb76f2000)
# shred -n 15 -z topsecret.txt

shread - futa faili ili kuficha yaliyomo, na uifute kwa hiari.

  1. -n - Hufuta faili n mara
  2. -z - Ongeza maandishi ya mwisho kwa sufuri ili kuficha upasuaji.

Kumbuka: Amri iliyo hapo juu hubatilisha faili mara 15 kabla ya kuibadilisha na sifuri, ili kuficha kupasua.

Kwa habari zaidi, soma nakala ya jinsi ya kufuatilia Sehemu ya NTFS kwenye Linux.

DESKTOP=”KDE”
DISPLAYMANAGER=”KDE”

Hifadhi faili na yaliyomo hapo juu. Wakati mwingine mashine inapowashwa, itapakia KDE kiotomatiki kama kidhibiti chaguo-msingi cha onyesho.

Hayo ni yote kwa sasa. Nitakuwa hapa tena na mada nyingine ya kuvutia, yenye thamani ya kujua. Hadi wakati huo endelea kuwa macho na uunganishwe na Tecmint. Usisahau kutupatia maoni yako muhimu katika sehemu ya maoni.