mod

prompt.md

@@ -1,3 +1,48 @@
+systemd.target=emergency.target
+rd.break
+
+sudo systemctl set-default multi-user.target
+
+dd if=/dev/zero of=/dev/null &
+
+find /etc -type f -size -1000c -exec cp {} /tmp/files/pictures \;
+
+date -d "+90 days" +%F
+
+[root@server1 ~]# cat /etc/sudoers.d/consultants 
+%consultants    ALL=(ALL)       ALL
+
+getfacl /data/students
+setfacl -m d:g:profs:rx /data/students/
+
+tuned-adm profile balanced 
+
+sudo systemctl edit httpd.service
+[httpd]
+Restart=always
+RestartSec=60s
+
+man journald.conf
+mkdir /var/log/journal
+
+[root@server1 ~]# vim /etc/rsyslog.d/auth-errors.conf
+authpriv.alert          /var/log/auth-errors
+
+logger -p authpriv.alert "TEST MESSAGE"
+
+cat /etc/logrotate.d/samba
+vi /etc/logrotate.d/error
+/var/log/error {
+        montly
+        rotate 12
+        create
+}
+
+sysctl -a | grep forward
+vi /etc/sysctl.conf - net.ipv4.ip_forward = 1
+
+getenforce
+vi /etc/sysconfig/selinux
 semanage fcontext -l - типы контекста
 semanage port -l - разрешённые порты
 restorecon -vR /var/www/html/ - восстановить контекст
@@ -33,6 +78,9 @@ sudo yum module reset python36
 
 parted /dev/sdb mklabel gpt mkpart backup xfs 2048s 2GiB
 
+yum install -y stratisd stratis-cli
+systemctl enable --now stratisd
+
 x-systemd.requires=stratisd.service
 x-systemd.requires=vdo.service
 
@@ -41,10 +89,12 @@ mkfs.xfs -K /dev/mapper/labvdo
 
 stratis filesystem create labpool labfs
 
-systemd.target=emergency.target
-
 cat /etc/crontab
 
+showmount -e server2
+
+yum install -y autofs
+systemctl enable --now autofs
 
 sudo vim /etc/auto.master.d/demo.autofs
 /shares    /etc/auto.demo
@@ -52,3 +102,6 @@ sudo vim /etc/auto.master.d/demo.autofs
 sudo vim /etc/auto.demo
 work    -rw,sync    serverb:/shares/work
 *          -rw,sync    serverb:/shares/&
+
+nmcli connection add con-name lab type ethernet ipv4.method manual ipv4.address 192.168.10.110/24 ipv4.gateway 192.168.10.9 ipv4.dns 192.168.10.9 autoconnect yes
+nmcli connection up lab

rh199_(rapid)/labs_solutions.md

@@ -578,8 +578,8 @@ Setting up swapspace version 1, size = 488 MiB (511700992 bytes)
 ```
 *добавить строки*
 ```bash
-UUID=a905e327-802c-41c0-89ca-500d542c9650       swap    swap    pri=2   0 0
-UUID=0c267fd8-c8f3-4cc3-9c2c-54fdefc13f2f       swap    swap    pri=1   0 0
+UUID=a905e327-802c-41c0-89ca-500d542c9650       swap    swap    pri=1   0 0
+UUID=0c267fd8-c8f3-4cc3-9c2c-54fdefc13f2f       swap    swap    pri=2   0 0
 ```
 *активировать разделы подкачки*
 ```bash
@@ -601,7 +601,7 @@ Connection to server1 closed.
 [student@server1 ~]$ mount | grep backup
 /dev/sdc1 on /backup type xfs (rw,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k,noquota)
 ```
-*подкачка*
+*подкачка (чем выше число в поле Приоритет, тем приоритетнее устройство)*
 ```bash
 [student@server1 ~]$ free -h
               total        used        free      shared  buff/cache   available
@@ -609,8 +609,8 @@ Mem:          1,8Gi       484Mi       807Mi        10Mi       525Mi       1,1Gi
 Swap:         975Mi          0B       975Mi
 [student@server1 ~]$ swapon -s
 Имя файла               Тип     Размер  Исп-но  Приоритет
-/dev/sdc2                               partition   499708  0   2
-/dev/sdc3                               partition   499708  0   1
+/dev/sdc2                               partition   499708  0   1
+/dev/sdc3                               partition   499708  0   2
 ```
 
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