Mounting and umounting a CD-ROM iso in KVM guests (Mount, Change, Remove)

Mount the CD-ROM iso to Virtual Mashine: virsh # attach-disk your_domain_name /path/to/your.iso hdc —type cdrom —mode readonly Change the CD-ROM iso in Virtual Mashine: virsh # attach-disk your_domain_name /path/to/your/new.iso hdc —type cdrom —mode readonly Remove the CD-ROM iso from Virtual Читать далее Mounting and umounting a CD-ROM iso in KVM guests (Mount, Change, Remove)

sshd[ ]: fatal: no hostkey alg [preauth]

Встречаются такие ошибки при работе с sshd: Oct 27 14:00:00 7-srv-h sshd[4614]: fatal: no hostkey alg [preauth] Oct 27 14:00:02 7-srv-h sshd[4616]: fatal: no hostkey alg [preauth] Oct 27 14:00:03 7-srv-h sshd[4618]: fatal: no hostkey alg [preauth] Oct 27 14:00:04 Читать далее sshd[ ]: fatal: no hostkey alg [preauth]

HowTo [SOLVED] mdadm: Cannot open /dev/sdb2: Device or resource busy

[root@1-srv-h ~]# mdadm /dev/md0 —manage —add /dev/sdb2 mdadm: Cannot open /dev/sdb2: Device or resource busy [root@1-srv-h ~]# dmsetup status 1ATA_TOSHIBA_DT01ACA050_Y3H0YMMAS: 0 976773168 multipath 2 0 0 0 1 1 A 0 1 0 8:16 A 0 1ATA_TOSHIBA_DT01ACA050_Y3H0YMMASp3: 0 959174656 linear Читать далее HowTo [SOLVED] mdadm: Cannot open /dev/sdb2: Device or resource busy