[root@linuxprobe ~]# stat anaconda-ks.cfg File: anaconda-ks.cfg Size: 1407 Blocks: 8 IO Block: 4096 regular file Device: fd00h/64768d Inode: 35321091 Links: 1 Access: (0600/-rw-------) [root@linuxprobe~]# file anaconda-ks.cfg anaconda-ks.cfg: ASCII text [root@linuxprobe~]# file /dev/sda /dev/sda: block special 在 Windows 系统中打开文件时，一般是通过用户双击鼠标完成的，系统会自行判 断用户双击的文件是什么类型，因此需要有后缀进行区别。而 Linux 系统则是根据用户 的改进版本，作为 RHEL 6 系统中默认的文件管理系统，它支持的存储容 量高达 1EB（1EB=1,073,741,824GB），且能够有无限多的子目录。另外，Ext4 文件系 统能够批量分配 block（块），从而极大地提高了读写效率。现在很多主流服务器也会 使用 Ext4 文件系统。 ➢ ：是一种高性能的日志文件系统，而且是 RHEL 7/8 中默认的文件管理系统。它 的优势在发生意

ubuntu-ha-pacemaker-fence-agents Pacemaker - fence agents 3 ubuntu-ha-drbd Distributed Replicated Block Device (DRBD) 3 ubuntu-ha-migrate-from-crmsh-to-pcs Ubuntu HA - Migrate from crmsh to pcs 2 Databases loop device. 7. From this point on the install follows the same path as if the ISO was on a local block device. The difference between UEFI and legacy modes is that in UEFI mode the bootloader is an EFI ordering cycle starting with multi-user.target/start ¬ ¬0;1;31m SKIP ¬0m| Ordering cycle found, skipping ¬0;1;39mLogin Prompts ¬0m ¬ 595.623027| systemd¬1|: Failed unmounting /cdrom. ¬ ¬0;1;31mFAILED

1 /lib64/libm.so.6 /lib64/libc.so.6 /usr/bin/date [Install] WantedBy=multi-user.target We can block this via mounting a Temporary filesytem in /etc, and then binding the files we need for the service 0:37:13 ago on Sun Jun 25 03:44:07 2017. Package wget-1.18-3.fc25.x86_64 is already installed, skipping. Dependencies resolved. ======================================================================= [https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol] packets. So, the following command will block ping into the system. iptables -A INPUT -p icmp -j DROP Now, if you try to ping the system from

ConfigMap and validate that in-addr.arpa and ip6.arpa are listed as wildcards for the kubernetes block like this: kubectl -n kube-system edit cm coredns [...] apiVersion: v1 data: Corefile: | .:53 Example terraform.tfvars file: #Global Vars aws_cluster_name = "kubespray" #VPC Vars aws_vpc_cidr_block = "XXX.XXX.192.0/18" aws_cidr_subnets_private = ["XXX.XXX.192.0/20","XXX.XXX.208.0/20"] aws_cidr_subnets_public containers with label app=empire-outpost to only be able to consume topic empire-announce, but would block any attempt by a compromised container (e.g., empire-outpost-9999) from producing to empire- announce

so.1 /lib64/libm.so.6 /lib64/libc.so.6 /usr/bin/date [Install] WantedBy=multi-user.target We can block this via mounting a Temporary filesytem in /etc, and then binding the files we need for the service check: 0:37:13 ago on Sun Jun 25 03:44:07 2017. Package wget-1.18-3.fc25.x86_64 is already installed, skipping. Dependencies resolved. ======================================================================= the rule to the INPUT chain. Note: ping command uses icmp packets. So, the following command will block ping into the system. iptables -A INPUT -p icmp -j DROP Now, if you try to ping the system from

ConfigMap and validate that in-addr.arpa and ip6.arpa are listed as wildcards for the kubernetes block like this: kubectl -n kube-system edit cm coredns [...] apiVersion: v1 data: Corefile: | .:53 Example terraform.tfvars file: #Global Vars aws_cluster_name = "kubespray" #VPC Vars aws_vpc_cidr_block = "XXX.XXX.192.0/18" aws_cidr_subnets_private = ["XXX.XXX.192.0/20","XXX.XXX.208.0/20"] aws_cidr_subnets_public containers with label app=empire-outpost to only be able to consume topic empire-announce, but would block any attempt by a compromised container (e.g., empire-outpost-9999) from producing to empire- announce

commit access Granting Commit Access Revoking Commit Access Changing the Policy Voting Company Block Vote Limit Templates Nomination to Grant Commit Access Vote to Grant Commit Access Vote Results Example terraform.tfvars file: #Global Vars aws_cluster_name = "kubespray" #VPC Vars aws_vpc_cidr_block = "XXX.XXX.192.0/18" aws_cidr_subnets_private = ["XXX.XXX.192.0/20","XXX.XXX.208.0/20"] aws_cidr_subnets_public Forwarding from 0.0.0.0:12000 -> 8081 Forwarding from [::]:12000 -> 8081 Tip The above command will block and continue running while the port forward is active. You can interrupt the command to abort the

commit access Granting Commit Access Revoking Commit Access Changing the Policy Voting Company Block Vote Limit Templates Nomination to Grant Commit Access Vote to Grant Commit Access Vote Results Example terraform.tfvars file: #Global Vars aws_cluster_name = "kubespray" #VPC Vars aws_vpc_cidr_block = "XXX.XXX.192.0/18" aws_cidr_subnets_private = ["XXX.XXX.192.0/20","XXX.XXX.208.0/20"] aws_cidr_subnets_public Forwarding from 0.0.0.0:12000 -> 8081 Forwarding from [::]:12000 -> 8081 Tip The above command will block and continue running while the port forward is active. You can interrupt the command to abort the

ConfigMap and validate that in-addr.arpa and ip6.arpa are listed as wildcards for the kubernetes block like this: Kubernetes 1.16+ kubectl -n kube-system edit cm coredns [...] apiVersion: v1 data: Example terraform.tfvars file: #Global Vars aws_cluster_name = "kubespray" #VPC Vars aws_vpc_cidr_block = "XXX.XXX.192.0/18" aws_cidr_subnets_private = ["XXX.XXX.192.0/20","XXX.XXX.208.0/20"] aws_cidr_subnets_public containers with label app=empire-outpost to only be able to consume topic empire-announce, but would block any attempt by a compromised container (e.g., empire-outpost-9999) from producing to empire- announce

Reference 9 / 238 character meaning - normal file d directory l symlink c character device node b block device node p named pipe s socket Table 1.4: List of the first character of ”ls -l” output • Name – 1 character = 1 byte – E.g. keyboard device, serial port, … • Block device – accessed in larger units called blocks – 1 block > 1 byte – E.g. hard disk, … Debian Reference 15 / 238 You can read ”foo.gz” to create ”foo” bzip2 foo compress ”foo” to create ”foo.bz2” using the Burrows-Wheeler block sorting text compression algorithm, and Huffman coding (better compression than gzip) bunzip2 foo