UNIX Unleashed, System Administrator''''''''s Edition phần 5 pptx

... (cycles/biquad) ARM7 TDMI 7.6 5. 2 9.0 22.0 ARM9 TDMI 7.0 4.8 8.3 22.0 StrongARM 4.8 3.8 5. 2 16 .5 ARM9 E 2 .5 1.3 4.3 8.0 XScale 1.8 1.3 3.7 7.7 Table 8.10 ARM FFT benchmarks. 16-bit complex FFT (radix-4) ARM9 TDMI (cycles/FFT) ... ARMv4T IIR timings. Processor Cycles per loop Cycles per biquad-sample ARM9 TDMI 44 22 StrongARM 33 16 .5 The timings on ARM9 TDMI and StrongARM are...

Ngày tải lên: 09/08/2014, 12:22

... frames 7 7 0 7 0 1 2 0 i 'ã 2 0 3 A 0 - 3 i- 0 t A 5 2 Figure 9. 15 LRU page-replacement algorithm. 9.8 Allocating Kernel Memory 355 An advantage of the buddy system is how quickly adjacent ... interrupt every 5, 000 references. When we get a timer interrupt, we copy and clear the reference-bit values for page reference table 26 157 77 751 623412344434344413234443444 WS(f,) =...

Ngày tải lên: 12/08/2014, 22:21

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Ngày tải lên: 13/08/2014, 04:21

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Ngày tải lên: 13/08/2014, 04:21

... COURSE Most system administrators are familiar with the `ebb and l]p_d commands. The `ebb command is used to compare text files line by line and show the differences. The l]p_d command takes a ... of state on the system, relays the state changes on to other systems via TCP or multicast UDP, listens for and gathers the state of other cikj` daemons in the local cluster, and answe...

Ngày tải lên: 13/08/2014, 04:21

... 127.0.0.1 255 . 255 . 255 . 255 readWrite community sysonly 127.0.0.1 255 . 255 . 255 . 255 readWrite 1.17.2 community netset 192.168.10.2 255 . 255 . 255 .0 readWrite 1.3.6.1 #view name [subtree(s)] view 1.17.2 system ... RRA:AVERAGE:0 .5: 24:7 75 \ 7 75 2-hour averages. RRA:AVERAGE:0 .5: 288: 750 \ 750 daily averages. RRA:MAX:0 .5: 1:600 \ RRA:MAX:0 .5: 6:700 \ RRA:MAX:0 .5: 24:7 75...

Ngày tải lên: 13/08/2014, 04:21

... wc * and get output like that in Listing 1. 1. Listing 1. 1. Using a simple command. $ wc * 3 51 2 514 17 0 21 minix-faq 10 11 5982 4 213 9 minix-info 13 62 8496 5 916 0 total $ Commands Connected Through ... DEC's flavor of UNIX (ultrix). comp .unix. unixware Discussion about Novell's UnixWare products. comp .unix. user-friendly Discussion of UNIX user-friendliness. com...

Ngày tải lên: 14/08/2014, 02:22

... the following command: strings -o -15 strings 6 027 1.17 com/cmd/scan/strings.c, cmdscan, bos 320 , 922 7 320 b 5/7/ 92 10 :21 :20 620 0 /usr/mbin/strings 622 4 Usage: strings [ -a ] [ -o ] [ -# ] [ file ... 30 72 Nov 25 00:41 . drwxr-xr-x 36 root system 20 48 Nov 23 19:51 -rw-r r 1 testuser author 0 Nov 24 14:54 .dot1 -rw 1 testuser author 10 Nov 24 17:36 test1 drwxr-xr-x 2 t...

Ngày tải lên: 14/08/2014, 02:22

... Sun Apr 27 14 :36 37 6/227 23 tif file ? s file.tif "file.tif" [New file] 37 6/227 23 ? q $ uudecode file.tif $ ls -l total 260 -rw-rw-rw- 1 trimblef users 22 733 Apr 27 14 :38 file.tif -rwxrwxrwx ... from 198 .3. 200.86: icmp_seq=0. time =3. ms 100 bytes from 198 .3. 200.86: icmp_seq=1. time=4. ms 100 bytes from 198 .3. 200.86: icmp_seq=2. time =3. ms 100 bytes from 198 .3. 200...

Ngày tải lên: 14/08/2014, 02:22

... chsh. On some systems where chsh is not available, passwd -s or passwd -e can be used to change the shell. On still other systems, ypchsh must be used to change the shell. On many systems (for ... generally is issued on your behalf by the UNIX logon processor, using a template stored in the /etc/passwd file for your logon name. Generally, the system administrator constructs the password ....

Ngày tải lên: 14/08/2014, 02:22

... "The UNIX File System. " Briefly, file permissions indicate who may read, write, or execute the file. The file-creation mask is a device you use to indicate what permissions UNIX is to ... /usr/bin or /usr/local/bin. Most system administrators prefer to store locally written script files in a separate directory from the standard UNIX commands; this makes system maintenanc...

Ngày tải lên: 14/08/2014, 02:22

... 30720 00 16 200 250 dave +- 502 26 50000 60 000 EXPIRED 0430 500 750 mike 03853 2 560 0 30720 0020 200 250 ann 05308 2 560 0 30720 0 162 200 250 kirstin 2 067 2 2 560 0 30720 0191 300 350 matthew 00444 2 560 0 ... uncomplicated shutdown of the system. Listing 16. 6 shows a sample shutdown from an IRIX system. Listing 16. 6. Sample shutdown from an IRIX system. Shutdown started. Wed A...

Ngày tải lên: 14/08/2014, 02:22

... exported filesystem. UNIX supports many different types of remotely accessible filesystems. Examples of such filesystems include RFS (Remote File Systems) and AFS (Andrews File System) . This ... Protocol NeWS 144/tcp news # Window System iso-tp0 146/tcp iso-ip 1 47/ tcp bftp 152/tcp snmp 161/udp snmp-trap 162/udp cmip-manage 163/tcp cmip-agent 164/tcp print-srv 170 /tcp # # UNIX speci...

Ngày tải lên: 14/08/2014, 02:22

... f67ce800 1035 f67ce9c8 ? 0:07 cdrl_mai 8 S 1001 283 91 283 88 80 40 20 f690a800 580 4 f60dce46 ? 166:39 sqlturbo 8 S 1001 283 61 1 80 60 20 f67e1000 30 580 e00f 887 c ? 379:35 mhdms 8 S 1001 283 60 1 80 ... 81 9 e00f 887 c console 0: 28 perfmete 8 S 1001 283 80 283 77 80 40 20 f67c0000 580 4 f5cfd146 ? 85 :02 sqlturbo 8 S 1001 283 73 1 80 40 20 f63c6000 1035 f63c61c8 ?...

Ngày tải lên: 14/08/2014, 02:22

... processes to handle incoming database connections and coordinates communication between postgres processes 378 Chapter 15 21 _59 9496 ch 15. qxd 8/30/ 05 6:40 PM Page 378 critical because Linux s NFS ... command to set Squid to start and stop automatically: # chkconfig level 0123 456 squid off # chkconfig level 3 45 squid on The first command disables Squid in all run levels. The sec...

Ngày tải lên: 14/08/2014, 12:20