How To Reduce Or Shrink The Size Of LVM Partition?

⟩ How to reduce or shrink the size of LVM partition?

The logical Steps to reduce size of LVM partition :

☛ Umount the filesystem using umount command,

☛ use resize2fs command , e.g resiz2fs /dev/mapper/myvg-mylv 10G

☛ Now use the lvreduce command , e.g lvreduce -L 10G /dev/mapper/myvg-mylv

Above Command will shrink the size & will make the filesystem size 10GB.

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By this program the soket "san_sock" will create #include<stdio.h> #include<sys/types.h> #include<sys/un.h> #include<sys/socket.h> int main() { struct sockaddr_un add_server; int fd_server; fd_server = socket(AF_UNIX,SOCK_STREAM,0); if(fd_server == -1) perror("socket"); add_server.sun_family = AF_UNIX; strcpy(add_server.sun_path,"san_sock"); if( bind(fd_server,(struct sockaddr*)&add_server,sizeof(add_server)) != 0) perror("bind"); return 0; } a) in the /tmp directory b) in the /usr directory c) in the present working directory d) none of the mentioned

What is the length of of the queue for pending connections in this program? #include<stdio.h> #include<sys/types.h> #include<sys/un.h> #include<sys/socket.h> int main() { struct sockaddr_un add_server; int fd_server; fd_server = socket(AF_UNIX,SOCK_STREAM,0); if(fd_server == -1) perror("socket"); add_server.sun_family = AF_UNIX; strcpy(add_server.sun_path,"server_sock2"); if( bind(fd_server,(struct sockaddr*)&add_server,sizeof(add_server)) != 0) perror("bind"); if( listen(fd_server,3) != 0) perror("listen"); return 0; } a) 0 b) 1 c) 2 d) 3

What is the output of the program no 13? #include<stdio.h> #include<sys/types.h> #include<sys/un.h> #include<sys/socket.h> int main() { struct sockaddr_un add_server, add_client; int fd_server, fd_client; int len; char ch; fd_server = socket(AF_UNIX,SOCK_STREAM,0); if(fd_server == -1) perror("socket"); add_server.sun_family = AF_UNIX; strcpy(add_server.sun_path,"san_sock"); if( bind(fd_server,(struct sockaddr*)&add_server,sizeof(add_server)) != 0) perror("bind"); if( listen(fd_server,3) != 0) perror("listen"); len = sizeof(add_client); fd_client = accept(fd_server,(struct sockaddr*)&add_client,&len); printf("googlen"); return 0; } a) the program will print the string "google" b) the process will remain block c) segmentation fault d) none of the mentioned

What is the output of this program? #include<stdio.h> #include<sys/types.h> #include<sys/socket.h> int main() { int fd; fd = socket(AF_UNIX,SOCK_STREAM,0); printf("%dn",fd); return 0; } a) 0 b) 1 c) 2 d) 3

What is the output of this program no 14? #include<stdio.h> #include<sys/types.h> #include<sys/un.h> #include<sys/socket.h> #include<errno.h> int main() { struct sockaddr_un addr; int fd; fd = socket(AF_UNIX,SOCK_STREAM,0); if (fd == -1) perror("socket"); addr.sun_family = AF_UNIX; strcpy(addr.sun_path,"san_sock"); if (bind(4,(struct sockaddr*)&addr,sizeof(addr)) == -1) printf("Sanfoudnryn"); return 0; } a) this program will print the string "google" b) this program will not print the string "google" c) segmentation fault d) none of the mentioned

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What is the output of this program no 16? #include<stdio.h> #include<sys/types.h> #include<netinet/in.h> #include<sys/socket.h> #include<errno.h> int main() { struct sockaddr_in addr; int fd; fd = socket(AF_UNIX,SOCK_STREAM,0); if (fd == -1) perror("socket"); addr.sun_family = AF_UNIX; strcpy(addr.sun_path,"san_sock"); if (bind(4,(struct sockaddr*)&addr,sizeof(addr)) == -1) printf("Sanfoudnryn"); return 0; } a) error b) "google" c) segmentation fault d) none of the mentioned

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