10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
How would I write a value to a physical memory address?
I was able to read a physical memory address (for example, 0x400) using this line:
dd if=/dev/mem count=4 bs=1 skip=$(( 0x400 ))
But I get an error:
dd: 'standard input': cannot skip to specified offset
when I try to write using... (1 Reply)
Discussion started by: rabrandt
1 Replies
2. UNIX for Beginners Questions & Answers
Hello guys, I need some help. I am new in bash and I don't know how to automate the following script.
head -2 out1 > 1.fasta
sed ‘1,2 d' out1 > out2
rm out1
head -2 out2 > 2.fasta
sed ‘1,2 d' out2 > out1
rm out2
head -2 out2 > 3.fasta
sed '1,2 d' out2 > out1
rm out2
.......... (3 Replies)
Discussion started by: dellia222
3 Replies
3. UNIX for Dummies Questions & Answers
Hello experts, I need help writing individual files from a data matrix, with each new file being written every time there is a blank line:
From this
cat file.txt
col1 col2 col3
6661 7771 8881
6661 7771 8881
6661 7771 8881
col1 col2 col3
3451 2221 1221... (6 Replies)
Discussion started by: torchij
6 Replies
4. Shell Programming and Scripting
Hi All,
I am unable to write the script for the below requirement.
Requirement:
Main table dir_ancillary table contain three column "dir_ancillary.table_name"," dir_ancillary.text_file_name ", "dir_ancillary.Include" .
This dir_ancillary contain undefined tables in the column... (2 Replies)
Discussion started by: Vineeta Nigam
2 Replies
5. Shell Programming and Scripting
I am newbie to UNIX. I came across this exercise in one the books.Can anyone help me with this question??????
Write a short Bash script that, given the name of a file as an argument,
reads the file name and creates a new file containing only lines which consist
of one word. Here is an example... (4 Replies)
Discussion started by: krthknaidu
4 Replies
6. Homework & Coursework Questions
I am very new to Linux/Unix. Kindly assist the following:
I wish to write a bash shell script called how_many_to_go that calculates and prints the number of days, hours, minutes and/or seconds until the end of the current month (based on the output of the date command).
Do ... (2 Replies)
Discussion started by: alobi
2 Replies
7. Filesystems, Disks and Memory
Hi All,
I am planning to do a LVM replicate to another server.
Example :
server1.foo.com has / , /boot , swap and few LVM partitions. All are in /dev/sda disk of size 80GB. /dev/sda5 is a LVM partition which has only one vg00 and it has 2 LV's (/var and /usr) and a SAN storage connected to... (0 Replies)
Discussion started by: rakrhn
0 Replies
8. Linux
Hi All,
I am planning to do a LVM replicate to another server.
Example :
server1.foo.com has / , /boot , swap and few LVM partitions. All are in /dev/sda disk of size 80GB. /dev/sda5 is a LVM partition which has only one vg00 and it has 2 LV's (/var and /usr) and a SAN storage connected to... (0 Replies)
Discussion started by: rakrhn
0 Replies
9. Shell Programming and Scripting
hi, first congratulations on the nice forum!
Can anybody write script, which can make copy of some or all files of the current directory in new directory (called "backups", which must be made in the current directory, if it's not already exist). And bring out a massage (report) with the count... (7 Replies)
Discussion started by: Cecko
7 Replies
10. Linux
Hello all,
Please guide me through this procedure. I am newbie.
current status of my lvm is as following.
/dev/myvg/lvm1 5 GB mounted /data
/dev/myvg/lvm1_snap1 5 GB mounted /data_backup
Now i want to extend the lvm it self with sanpshot then how should i go for it.
... (1 Reply)
Discussion started by: bryanabhay
1 Replies