On a Compaq Server DS10, outbound telnet works but inbound telnet fails with the message: [root@jfoxx /root]# telnet localhost Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. telnetd: All network ports in use. Connection closed by foreign host. [root@jfoxx /root]# telnet jfoxx Trying 10.0.0.1... Connected to jfoxx.ivo.dec.com. Escape character is '^]'. telnetd: All network ports in use. Connection closed by foreign host. And yet there are plenty of ptys available: [root@jfoxx /root]# who root ttyp0 Aug 19 18:52 [root@jfoxx /root]# ls -l /dev/pty* crw-rw-rw- 1 root tty 2, 176 Aug 19 17:42 /dev/ptya0 crw-rw-rw- 1 root tty 2, 177 Aug 19 17:42 /dev/ptya1 crw-rw-rw- 1 root tty 2, 178 Aug 19 17:42 /dev/ptya2 crw-rw-rw- 1 root tty 2, 179 Aug 19 17:42 /dev/ptya3 crw-rw-rw- 1 root tty 2, 180 Aug 19 17:42 /dev/ptya4 crw-rw-rw- 1 root tty 2, 181 Aug 19 17:42 /dev/ptya5 crw-rw-rw- 1 root tty 2, 182 Aug 19 17:42 /dev/ptya6 crw-rw-rw- 1 root tty 2, 183 Aug 19 17:42 /dev/ptya7 crw-rw-rw- 1 root tty 2, 184 Aug 19 17:42 /dev/ptya8 crw-rw-rw- 1 root tty 2, 185 Aug 19 17:42 /dev/ptya9 crw-rw-rw- 1 root tty 2, 186 Aug 19 17:42 /dev/ptyaa crw-rw-rw- 1 root tty 2, 187 Aug 19 17:42 /dev/ptyab crw-rw-rw- 1 root tty 2, 188 Aug 19 17:42 /dev/ptyac crw-rw-rw- 1 root tty 2, 189 Aug 19 17:42 /dev/ptyad crw-rw-rw- 1 root tty 2, 190 Aug 19 17:42 /dev/ptyae crw-rw-rw- 1 root tty 2, 191 Aug 19 17:42 /dev/ptyaf crw-rw-rw- 1 root tty 2, 192 Aug 19 17:42 /dev/ptyb0 crw-rw-rw- 1 root tty 2, 193 Aug 19 17:42 /dev/ptyb1 crw-rw-rw- 1 root tty 2, 194 Aug 19 17:42 /dev/ptyb2 crw-rw-rw- 1 root tty 2, 195 Aug 19 17:42 /dev/ptyb3 crw-rw-rw- 1 root tty 2, 196 Aug 19 17:42 /dev/ptyb4 crw-rw-rw- 1 root tty 2, 197 Aug 19 17:42 /dev/ptyb5 crw-rw-rw- 1 root tty 2, 198 Aug 19 17:42 /dev/ptyb6 crw-rw-rw- 1 root tty 2, 199 Aug 19 17:42 /dev/ptyb7 crw-rw-rw- 1 root tty 2, 200 Aug 19 17:42 /dev/ptyb8 crw-rw-rw- 1 root tty 2, 201 Aug 19 17:42 /dev/ptyb9 crw-rw-rw- 1 root tty 2, 202 Aug 19 17:42 /dev/ptyba crw-rw-rw- 1 root tty 2, 203 Aug 19 17:42 /dev/ptybb crw-rw-rw- 1 root tty 2, 204 Aug 19 17:42 /dev/ptybc crw-rw-rw- 1 root tty 2, 205 Aug 19 17:42 /dev/ptybd crw-rw-rw- 1 root tty 2, 206 Aug 19 17:42 /dev/ptybe crw-rw-rw- 1 root tty 2, 207 Aug 19 17:42 /dev/ptybf crw-rw-rw- 1 root tty 2, 208 Aug 19 17:42 /dev/ptyc0 crw-rw-rw- 1 root tty 2, 209 Aug 19 17:42 /dev/ptyc1 crw-rw-rw- 1 root tty 2, 210 Aug 19 17:42 /dev/ptyc2 crw-rw-rw- 1 root tty 2, 211 Aug 19 17:42 /dev/ptyc3 crw-rw-rw- 1 root tty 2, 212 Aug 19 17:42 /dev/ptyc4 crw-rw-rw- 1 root tty 2, 213 Aug 19 17:42 /dev/ptyc5 crw-rw-rw- 1 root tty 2, 214 Aug 19 17:42 /dev/ptyc6 crw-rw-rw- 1 root tty 2, 215 Aug 19 17:42 /dev/ptyc7 crw-rw-rw- 1 root tty 2, 216 Aug 19 17:42 /dev/ptyc8 crw-rw-rw- 1 root tty 2, 217 Aug 19 17:42 /dev/ptyc9 crw-rw-rw- 1 root tty 2, 218 Aug 19 17:42 /dev/ptyca crw-rw-rw- 1 root tty 2, 219 Aug 19 17:42 /dev/ptycb crw-rw-rw- 1 root tty 2, 220 Aug 19 17:42 /dev/ptycc crw-rw-rw- 1 root tty 2, 221 Aug 19 17:42 /dev/ptycd crw-rw-rw- 1 root tty 2, 222 Aug 19 17:42 /dev/ptyce crw-rw-rw- 1 root tty 2, 223 Aug 19 17:42 /dev/ptycf crw-rw-rw- 1 root tty 2, 224 Aug 19 17:42 /dev/ptyd0 crw-rw-rw- 1 root tty 2, 225 Aug 19 17:42 /dev/ptyd1 crw-rw-rw- 1 root tty 2, 226 Aug 19 17:42 /dev/ptyd2 crw-rw-rw- 1 root tty 2, 227 Aug 19 17:42 /dev/ptyd3 crw-rw-rw- 1 root tty 2, 228 Aug 19 17:42 /dev/ptyd4 crw-rw-rw- 1 root tty 2, 229 Aug 19 17:42 /dev/ptyd5 crw-rw-rw- 1 root tty 2, 230 Aug 19 17:42 /dev/ptyd6 crw-rw-rw- 1 root tty 2, 231 Aug 19 17:42 /dev/ptyd7 crw-rw-rw- 1 root tty 2, 232 Aug 19 17:42 /dev/ptyd8 crw-rw-rw- 1 root tty 2, 233 Aug 19 17:42 /dev/ptyd9 crw-rw-rw- 1 root tty 2, 234 Aug 19 17:42 /dev/ptyda crw-rw-rw- 1 root tty 2, 235 Aug 19 17:42 /dev/ptydb crw-rw-rw- 1 root tty 2, 236 Aug 19 17:42 /dev/ptydc crw-rw-rw- 1 root tty 2, 237 Aug 19 17:42 /dev/ptydd crw-rw-rw- 1 root tty 2, 238 Aug 19 17:42 /dev/ptyde crw-rw-rw- 1 root tty 2, 239 Aug 19 17:42 /dev/ptydf crw-rw-rw- 1 root tty 2, 240 Aug 19 17:42 /dev/ptye0 crw-rw-rw- 1 root tty 2, 241 Aug 19 17:42 /dev/ptye1 crw-rw-rw- 1 root tty 2, 242 Aug 19 17:42 /dev/ptye2 crw-rw-rw- 1 root tty 2, 243 Aug 19 17:42 /dev/ptye3 crw-rw-rw- 1 root tty 2, 244 Aug 19 17:42 /dev/ptye4 crw-rw-rw- 1 root tty 2, 245 Aug 19 17:42 /dev/ptye5 crw-rw-rw- 1 root tty 2, 246 Aug 19 17:42 /dev/ptye6 crw-rw-rw- 1 root tty 2, 247 Aug 19 17:42 /dev/ptye7 crw-rw-rw- 1 root tty 2, 248 Aug 19 17:42 /dev/ptye8 crw-rw-rw- 1 root tty 2, 249 Aug 19 17:42 /dev/ptye9 crw-rw-rw- 1 root tty 2, 250 Aug 19 17:42 /dev/ptyea crw-rw-rw- 1 root tty 2, 251 Aug 19 17:42 /dev/ptyeb crw-rw-rw- 1 root tty 2, 252 Aug 19 17:42 /dev/ptyec crw-rw-rw- 1 root tty 2, 253 Aug 19 17:42 /dev/ptyed crw-rw-rw- 1 root tty 2, 254 Aug 19 17:42 /dev/ptyee crw-rw-rw- 1 root tty 2, 255 Aug 19 17:42 /dev/ptyef crw-rw-rw- 1 root tty2, 0 Aug 19 18:52 /dev/ptyp0 crw-rw-rw- 1 root tty 2, 1 Aug 19 18:52 /dev/ptyp1 crw-rw-rw- 1 root tty 2, 2 Aug 19 17:42 /dev/ptyp2 crw-rw-rw- 1 root tty 2, 3 Aug 19 17:42 /dev/ptyp3 crw-rw-rw- 1 root tty 2, 4 Aug 19 17:42 /dev/ptyp4 crw-rw-rw- 1 root tty 2, 5 Aug 19 17:42 /dev/ptyp5 crw-rw-rw- 1 root tty 2, 6 Aug 19 17:42 /dev/ptyp6 crw-rw-rw- 1 root tty 2, 7 Aug 19 17:42 /dev/ptyp7 crw-rw-rw- 1 root tty 2, 8 Aug 19 17:42 /dev/ptyp8 crw-rw-rw- 1 root tty 2, 9 Aug 19 17:42 /dev/ptyp9 crw-rw-rw- 1 root tty 2, 10 Aug 19 17:42 /dev/ptypa crw-rw-rw- 1 root tty 2, 11 Aug 19 17:42 /dev/ptypb crw-rw-rw- 1 root tty 2, 12 Aug 19 17:42 /dev/ptypc crw-rw-rw- 1 root tty 2, 13 Aug 19 17:42 /dev/ptypd crw-rw-rw- 1 root tty 2, 14 Aug 19 17:42 /dev/ptype crw-rw-rw- 1 root tty 2, 15 Aug 19 17:42 /dev/ptypf crw-rw-rw- 1 root tty 2, 16 Aug 19 17:42 /dev/ptyq0 crw-rw-rw- 1 root tty 2, 17 Aug 19 17:42 /dev/ptyq1 crw-rw-rw- 1 root tty 2, 18 Aug 19 17:42 /dev/ptyq2 crw-rw-rw- 1 root tty 2, 19 Aug 19 17:42 /dev/ptyq3 crw-rw-rw- 1 root tty 2, 20 Aug 19 17:42 /dev/ptyq4 crw-rw-rw- 1 root tty 2, 21 Aug 19 17:42 /dev/ptyq5 crw-rw-rw- 1 root tty 2, 22 Aug 19 17:42 /dev/ptyq6 crw-rw-rw- 1 root tty 2, 23 Aug 19 17:42 /dev/ptyq7 crw-rw-rw- 1 root tty 2, 24 Aug 19 17:42 /dev/ptyq8 crw-rw-rw- 1 root tty 2, 25 Aug 19 17:42 /dev/ptyq9 crw-rw-rw- 1 root tty 2, 26 Aug 19 17:42 /dev/ptyqa crw-rw-rw- 1 root tty 2, 27 Aug 19 17:42 /dev/ptyqb crw-rw-rw- 1 root tty 2, 28 Aug 19 17:42 /dev/ptyqc crw-rw-rw- 1 root tty 2, 29 Aug 19 17:42 /dev/ptyqd crw-rw-rw- 1 root tty 2, 30 Aug 19 17:42 /dev/ptyqe crw-rw-rw- 1 root tty 2, 31 Aug 19 17:42 /dev/ptyqf crw-rw-rw- 1 root tty 2, 32 Aug 19 17:42 /dev/ptyr0 crw-rw-rw- 1 root tty 2, 33 Aug 19 17:42 /dev/ptyr1 crw-rw-rw- 1 root tty 2, 34 Aug 19 17:42 /dev/ptyr2 crw-rw-rw- 1 root tty 2, 35 Aug 19 17:42 /dev/ptyr3 crw-rw-rw- 1 root tty 2, 36 Aug 19 17:42 /dev/ptyr4 crw-rw-rw- 1 root tty 2, 37 Aug 19 17:42 /dev/ptyr5 crw-rw-rw- 1 root tty 2, 38 Aug 19 17:42 /dev/ptyr6 crw-rw-rw- 1 root tty 2, 39 Aug 19 17:42 /dev/ptyr7 crw-rw-rw- 1 root tty 2, 40 Aug 19 17:42 /dev/ptyr8 crw-rw-rw- 1 root tty 2, 41 Aug 19 17:42 /dev/ptyr9 crw-rw-rw- 1 root tty 2, 42 Aug 19 17:42 /dev/ptyra crw-rw-rw- 1 root tty 2, 43 Aug 19 17:42 /dev/ptyrb crw-rw-rw- 1 root tty 2, 44 Aug 19 17:42 /dev/ptyrc crw-rw-rw- 1root tty 2, 45 Aug 19 17:42 /dev/ptyrd crw-rw-rw- 1 root tty 2, 46 Aug 19 17:42 /dev/ptyre crw-rw-rw- 1 root tty 2, 47 Aug 19 17:42 /dev/ptyrf crw-rw-rw- 1 root tty 2, 48 Aug 19 17:42 /dev/ptys0 crw-rw-rw- 1 root tty 2, 49 Aug 19 17:42 /dev/ptys1 crw-rw-rw- 1 root tty 2, 50 Aug 19 17:42 /dev/ptys2 crw-rw-rw- 1 root tty 2, 51 Aug 19 17:42 /dev/ptys3 crw-rw-rw- 1 root tty 2, 52 Aug 19 17:42 /dev/ptys4 crw-rw-rw- 1 root tty 2, 53 Aug 19 17:42 /dev/ptys5 crw-rw-rw- 1 root tty 2, 54 Aug 19 17:42 /dev/ptys6 crw-rw-rw- 1 root tty 2, 55 Aug 19 17:42 /dev/ptys7 crw-rw-rw- 1 root tty 2, 56 Aug 19 17:42 /dev/ptys8 crw-rw-rw- 1 root tty 2, 57 Aug 19 17:42 /dev/ptys9 crw-rw-rw- 1 root tty 2, 58 Aug 19 17:42 /dev/ptysa crw-rw-rw- 1 root tty 2, 59 Aug 19 17:42 /dev/ptysb crw-rw-rw- 1 root tty 2, 60 Aug 19 17:42 /dev/ptysc crw-rw-rw- 1 root tty 2, 61 Aug 19 17:42 /dev/ptysd crw-rw-rw- 1 root tty 2, 62 Aug 19 17:42 /dev/ptyse crw-rw-rw- 1 root tty 2, 63 Aug 19 17:42 /dev/ptysf crw-rw-rw- 1 root tty 2, 64 Aug 19 17:42 /dev/ptyt0 crw-rw-rw- 1 root tty 2, 65 Aug 19 17:42 /dev/ptyt1 crw-rw-rw- 1 root tty 2, 66 Aug 19 17:42 /dev/ptyt2 crw-rw-rw- 1 root tty 2, 67 Aug 19 17:42 /dev/ptyt3 crw-rw-rw- 1 root tty 2, 68 Aug 19 17:42 /dev/ptyt4 crw-rw-rw- 1 root tty 2, 69 Aug 19 17:42 /dev/ptyt5 crw-rw-rw- 1 root tty 2, 70 Aug 19 17:42 /dev/ptyt6 crw-rw-rw- 1 root tty 2, 71 Aug 19 17:42 /dev/ptyt7 crw-rw-rw- 1 root tty 2, 72 Aug 19 17:42 /dev/ptyt8 crw-rw-rw- 1 root tty 2, 73 Aug 19 17:42 /dev/ptyt9 crw-rw-rw- 1 root tty 2, 74 Aug 19 17:42 /dev/ptyta crw-rw-rw- 1 root tty 2, 75 Aug 19 17:42 /dev/ptytb crw-rw-rw- 1 root tty 2, 76 Aug 19 17:42 /dev/ptytc crw-rw-rw- 1 root tty 2, 77 Aug 19 17:42 /dev/ptytd crw-rw-rw- 1 root tty 2, 78 Aug 19 17:42 /dev/ptyte crw-rw-rw- 1 root tty 2, 79 Aug 19 17:42 /dev/ptytf crw-rw-rw- 1 root tty 2, 80 Aug 19 17:42 /dev/ptyu0 crw-rw-rw- 1 root tty 2, 81 Aug 19 17:42 /dev/ptyu1 crw-rw-rw- 1 root tty 2, 82 Aug 19 17:42 /dev/ptyu2 crw-rw-rw- 1 root tty 2, 83 Aug 19 17:42 /dev/ptyu3 crw-rw-rw- 1 root tty 2, 84 Aug 19 17:42 /dev/ptyu4 crw-rw-rw- 1 root tty 2, 85 Aug 19 17:42 /dev/ptyu5 crw-rw-rw- 1 root tty 2, 86 Aug 19 17:42 /dev/ptyu6 crw-rw-rw- 1 root tty 2, 87 Aug 19 17:42 /dev/ptyu7 crw-rw-rw- 1 root tty 2, 88 Aug 19 17:42 /dev/ptyu8 crw-rw-rw- 1 root tty 2, 89 Aug 19 17:42 /dev/ptyu9 crw-rw-rw- 1 root tty 2, 90 Aug 19 17:42 /dev/ptyua crw-rw-rw- 1 root tty 2, 91 Aug 19 17:42 /dev/ptyub crw-rw-rw- 1 root tty 2, 92 Aug 19 17:42 /dev/ptyuc crw-rw-rw- 1 root tty 2, 93 Aug 19 17:42 /dev/ptyud crw-rw-rw- 1 root tty 2, 94 Aug 19 17:42 /dev/ptyue crw-rw-rw- 1 root tty 2, 95 Aug 19 17:42 /dev/ptyuf crw-rw-rw- 1 root tty 2, 96 Aug 19 17:42 /dev/ptyv0 crw-rw-rw- 1 root tty 2, 97 Aug 19 17:42 /dev/ptyv1 crw-rw-rw- 1 root tty 2, 98 Aug 19 17:42 /dev/ptyv2 crw-rw-rw- 1 root tty 2, 99 Aug 19 17:42 /dev/ptyv3 crw-rw-rw- 1 root tty 2, 100 Aug 19 17:42 /dev/ptyv4 crw-rw-rw- 1 root tty 2, 101 Aug 19 17:42 /dev/ptyv5 crw-rw-rw- 1 root tty 2, 102 Aug 19 17:42 /dev/ptyv6 crw-rw-rw- 1 root tty 2, 103 Aug 19 17:42 /dev/ptyv7 crw-rw-rw- 1 root tty 2, 104 Aug 19 17:42 /dev/ptyv8 crw-rw-rw- 1 root tty 2, 105 Aug 19 17:42 /dev/ptyv9 crw-rw-rw- 1 root tty 2, 106 Aug 19 17:42 /dev/ptyva crw-rw-rw- 1 root tty 2, 107 Aug 19 17:42 /dev/ptyvb crw-rw-rw- 1 root tty 2, 108 Aug 19 17:42 /dev/ptyvc crw-rw-rw- 1 root tty 2, 109 Aug 19 17:42 /dev/ptyvd crw-rw-rw- 1 root tty 2, 110 Aug 19 17:42 /dev/ptyve crw-rw-rw- 1 root tty 2, 111 Aug 19 17:42 /dev/ptyvf crw-rw-rw- 1 root tty 2, 112 Aug 19 17:42 /dev/ptyw0 crw-rw-rw- 1 root tty 2, 113 Aug 19 17:42 /dev/ptyw1 crw-rw-rw- 1 root tty 2, 114 Aug 19 17:42 /dev/ptyw2 crw-rw-rw- 1 root tty 2, 115 Aug 19 17:42 /dev/ptyw3 crw-rw-rw- 1 root tty 2, 116 Aug 19 17:42 /dev/ptyw4 crw-rw-rw- 1 root tty 2, 117 Aug 19 17:42 /dev/ptyw5 crw-rw-rw- 1 root tty 2, 118 Aug 19 17:42 /dev/ptyw6 crw-rw-rw- 1 root tty 2, 119 Aug 19 17:42 /dev/ptyw7 crw-rw-rw- 1 root tty 2, 120 Aug 19 17:42 /dev/ptyw8 crw-rw-rw- 1 root tty 2, 121 Aug 19 17:42 /dev/ptyw9 crw-rw-rw- 1 root tty 2, 122 Aug 19 17:42 /dev/ptywa crw-rw-rw- 1 root tty 2, 123 Aug 19 17:42 /dev/ptywb crw-rw-rw- 1 root tty 2, 124 Aug 19 17:42 /dev/ptywc crw-rw-rw- 1 root tty 2, 125 Aug 19 17:42 /dev/ptywd crw-rw-rw- 1 root tty 2, 126 Aug 19 17:42 /dev/ptywe crw-rw-rw- 1 root tty 2, 127 Aug 19 17:42 /dev/ptywf crw-rw-rw- 1 root tty 2, 128 Aug 19 17:42 /dev/ptyx0 crw-rw-rw- 1 root tty 2, 129 Aug 19 17:42 /dev/ptyx1 crw-rw-rw- 1 root tty 2, 130 Aug 19 17:42 /dev/ptyx2 crw-rw-rw- 1 root tty 2, 131 Aug 19 17:42 /dev/ptyx3 crw-rw-rw- 1 root tty 2, 132 Aug 19 17:42 /dev/ptyx4 crw-rw-rw- 1 root tty 2, 133 Aug 19 17:42 /dev/ptyx5 crw-rw-rw- 1 root tty 2, 134 Aug 19 17:42 /dev/ptyx6 crw-rw-rw- 1 root tty 2, 135 Aug 19 17:42 /dev/ptyx7 crw-rw-rw- 1 root tty 2, 136 Aug 19 17:42 /dev/ptyx8 crw-rw-rw- 1 root tty 2, 137 Aug 19 17:42 /dev/ptyx9 crw-rw-rw- 1 root tty 2, 138 Aug 19 17:42 /dev/ptyxa crw-rw-rw- 1 root tty 2, 139 Aug 19 17:42 /dev/ptyxb crw-rw-rw- 1 root tty 2, 140 Aug 19 17:42 /dev/ptyxc crw-rw-rw- 1 root tty 2, 141 Aug 19 17:42 /dev/ptyxd crw-rw-rw- 1 root tty 2, 142 Aug 19 17:42 /dev/ptyxe crw-rw-rw- 1 root tty 2, 143 Aug 19 17:42 /dev/ptyxf crw-rw-rw- 1 root tty 2, 144 Aug 19 17:42 /dev/ptyy0 crw-rw-rw- 1 root tty 2, 145 Aug 19 17:42 /dev/ptyy1 crw-rw-rw- 1 root tty 2, 146 Aug 19 17:42 /dev/ptyy2 crw-rw-rw- 1 root tty 2, 147 Aug 19 17:42 /dev/ptyy3 crw-rw-rw- 1 root tty 2, 148 Aug 19 17:42 /dev/ptyy4 crw-rw-rw- 1 root tty 2, 149 Aug 19 17:42 /dev/ptyy5 crw-rw-rw- 1 root tty 2, 150 Aug 19 17:42 /dev/ptyy6 crw-rw-rw- 1 root tty 2, 151 Aug 19 17:42 /dev/ptyy7 crw-rw-rw- 1 root tty 2, 152 Aug 19 17:42 /dev/ptyy8 crw-rw-rw- 1 root tty 2, 153 Aug 19 17:42 /dev/ptyy9 crw-rw-rw- 1 root tty 2, 154 Aug 19 17:42 /dev/ptyya crw-rw-rw- 1 root tty 2, 155 Aug 19 17:42 /dev/ptyyb crw-rw-rw- 1 root tty 2, 156 Aug 19 17:42 /dev/ptyyc crw-rw-rw- 1 root tty 2, 157 Aug 19 17:42 /dev/ptyyd crw-rw-rw- 1 root tty 2, 158 Aug 19 17:42 /dev/ptyye crw-rw-rw- 1 root tty 2, 159 Aug 19 17:42 /dev/ptyyf crw-rw-rw- 1 root tty 2, 160 Aug 19 17:42 /dev/ptyz0 crw-rw-rw- 1 root tty 2, 161 Aug 19 17:42 /dev/ptyz1 crw-rw-rw- 1 root tty 2, 162 Aug 19 17:42 /dev/ptyz2 crw-rw-rw- 1 root tty 2, 163 Aug 19 17:42 /dev/ptyz3 crw-rw-rw- 1 root tty 2, 164 Aug 19 17:42 /dev/ptyz4 crw-rw-rw- 1 root tty 2, 165 Aug 19 17:42 /dev/ptyz5 crw-rw-rw- 1 root tty 2, 166 Aug 19 17:42 /dev/ptyz6 crw-rw-rw- 1 root tty 2, 167 Aug 19 17:42 /dev/ptyz7 crw-rw-rw- 1 root tty 2, 168 Aug 19 17:42 /dev/ptyz8 crw-rw-rw- 1 root tty 2, 169 Aug 19 17:42 /dev/ptyz9 crw-rw-rw- 1 root tty 2, 170 Aug 19 17:42 /dev/ptyza crw-rw-rw- 1 root tty 2, 171 Aug 19 17:42 /dev/ptyzb crw-rw-rw- 1 root tty 2, 172 Aug 19 17:42 /dev/ptyzc crw-rw-rw- 1 root tty 2, 173 Aug 19 17:42 /dev/ptyzd crw-rw-rw- 1 root tty 2, 174 Aug 19 17:42 /dev/ptyze crw-rw-rw- 1 root tty 2, 175 Aug 19 17:42 /dev/ptyzf --- Here is version info: [root@jfoxx linux-2.2.11]# sh scripts/ver_linux -- Versions installed: (if some fields are empty or looks -- unusual then possibly you have very old versions) Linux jfoxx.ivo.dec.com 2.2.3 #7 Fri Mar 26 16:06:36 EST 1999 alpha unknown Kernel modules 2.1.121 Gnu C egcs-2.91.66 Binutils 2.9.1.0.24 Linux C Library 2.1.1 Dynamic linker ldd (GNU libc) 2.1.1 Procps 2.0.2 Mount 2.9o Net-tools 1.51 Console-tools 1999.03.02 Sh-utils 1.16 cat: /proc/modules: No such file or directory Modules Loaded [root@jfoxx linux-2.2.11]# cd / [root@jfoxx /]# cat /proc/version Linux version 2.2.3 (jestabro.dec.com) (gcc version egcs-2.90.29 980515 (egcs-1.0.3 release)) #7 Fri Mar 26 16:06:36 EST 1999 [root@jfoxx /]# cat /proc/cpuinfo cpu : Alpha cpu model : EV6 cpu variation : 7 cpu revision : 0 cpu serial number : system type : Tsunami system variation : Webbrick system revision : 0 system serial number : cycle frequency [Hz] : 462962962 timer frequency [Hz] : 1024.00 page size [bytes] : 8192 phys. address bits : 44 max. addr. space # : 255 BogoMIPS : 920.64 kernel unaligned acc : 0 (pc=0,va=0) user unaligned acc : 4 (pc=120002b2c,va=12011777c) platform string : COMPAQ AlphaServer DS10 466 MHz [root@jfoxx /]# cat /proc/modules cat: /proc/modules: No such file or directory [root@jfoxx /]# cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: DEC Model: RZ2DA-KA (C) DEC Rev: N1H1 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: DEC Model: RZ2DA-KA (C) DEC Rev: N1H1 Type: Direct-Access ANSI SCSI revision: 02
Red Hat 6.0 uses UNIX98 ptys. Make sure that you have a line in /etc/fstab like none /dev/pts devpts gid=5,mode=620 0 0 and reboot. UNIX98 ptys look like /dev/pts/n and are created and deleted dynamically.